PATENT DOCUMENT

Publication Number: US-10562274-B1
Application Number: US-201715437996-A
Country: US
Kind Code: B1

Title: Glass fastening and sealing systems

Abstract:
A glass fastening system includes a fastener having a first portion embedded along an interlayer within a laminated glass portion and a second portion extending outward from an exterior surface of the laminated glass portion for use in attachment to a support structure. Another glass fastening system includes a fastener having a first portion adhered to an exterior surface of a glass pane and a second portion extending from the first portion away from the exterior surface for use in attachment to a support structure. A glass sealing system includes a pair of glass panes having offset edge portions and a seal including an overmold portion capturing the edge portions. Another glass sealing system includes a seal having an internal portion embedded within a laminated glass portion and an external portion extending along an exterior surface of the laminated glass portion.

Claims:
What is claimed is: 
     
       1. A glass fastening system, comprising:
 a first glass pane; 
 a second glass pane defining a first bore; 
 an interlayer disposed between and extending along interior surfaces of the first glass pane and the second glass pane and defining a second bore axially aligned with the first bore; 
 a fastener having a first portion disposed within the second bore of the interlayer between the first glass pane and the second glass pane, a second portion extending through the first bore and outward from an exterior surface of the second glass pane, and a third portion configured to engage the second portion of the fastener outside the exterior surface of the second glass pane,
 wherein the first portion of the fastener anchors the fastener between the first glass pane and the second glass pane, and 
 wherein the second portion of the fastener comprises a male portion and the third portion of the fastener comprises a female portion; and 
 
 a conductive layer disposed within the second bore between the first glass pane and the first portion of the fastener,
 wherein the conductive layer is configured to transmit electricity through the fastener, and 
 wherein the conductive layer fills the second bore in the interlayer to form a continuous surface with the interlayer and cover an entire surface of the first portion of the fastener. 
 
 
     
     
       2. The system of  claim 1 , wherein the interlayer includes at least one of a pressure-based adhesive and a thermally-activated adhesive configured to join the first glass pane and the second glass pane, sandwiching the first portion of the fastener. 
     
     
       3. The system of  claim 1 , further comprising:
 a compliant layer disposed between the first portion of the fastener and the second glass pane. 
 
     
     
       4. The system of  claim 1 , wherein the second portion of the fastener is directly coupled to the first portion. 
     
     
       5. The system of  claim 1 , wherein one of the first and second portions is magnetically attractable to the other of the first and second portions. 
     
     
       6. The system of  claim 1 , wherein the second glass pane defines a relief portion surrounding the first bore that is axially aligned with the first bore and the second bore, and wherein the first portion of the fastener is disposed within the relief portion. 
     
     
       7. The system of  claim 6 , further comprising:
 a compliant layer disposed within the relief portion of the second glass pane and defining a third bore aligned with the first bore, wherein the first portion of the fastener extends through the third bore. 
 
     
     
       8. The system of  claim 1 , wherein the conductive layer is configured to collect solar energy. 
     
     
       9. The system of  claim 8 , wherein the conductive layer is configured to use the collected solar energy to transmit electricity to power devices that are part of the fastener, and wherein the devices include at least one of lights or sensors. 
     
     
       10. The system of  claim 1 , wherein the second portion of the fastener is configured to directly couple the first and second glass panes to a vehicle structure, and wherein the vehicle structure is at least one of a vehicle pillar or door frame. 
     
     
       11. A glass fastening system, comprising:
 a first glass pane; 
 a second glass pane defining a relief portion and a first bore disposed within and axially aligned with the relief portion; 
 an interlayer disposed between the first glass pane and the second glass pane and defining a second bore axially aligned with the relief portion and the first bore; 
 a fastener having a first portion disposed within the relief portion and a second portion extending from the first portion, through the first bore, and outward from an exterior surface of the second glass pane; and 
 a conductive layer disposed within the second bore between the first glass pane and the first portion of the fastener, the conductive layer configured to transmit electricity through the fastener, fill the second bore in the interlayer, and cover an entire surface of the first portion of the fastener. 
 
     
     
       12. The system of  claim 11 , further comprising:
 a compliant layer disposed within the relief portion of the second glass pane between the first portion of the fastener and the second glass pane. 
 
     
     
       13. The system of  claim 11 , wherein the conductive layer is configured to transmit electricity to the first portion of the fastener to power devices that are part of the fastener, and wherein the devices include at least one of lights or sensors. 
     
     
       14. The system of  claim 11 , wherein the second portion of the fastener is directly coupled to the first portion and comprises a male portion. 
     
     
       15. The system of  claim 14 , wherein the fastener has a third portion configured to engage the second portion of the fastener outside the exterior surface of the second glass pane, and wherein the third portion comprises a female portion. 
     
     
       16. A glass fastening system, comprising:
 a first glass pane; 
 a second glass pane defining a recessed portion; 
 an interlayer disposed between and extending along interior surfaces of the first glass pane and the second glass pane and defining a bore axially aligned with the recessed portion, wherein the recessed portion and the bore in the interlayer have equal cross-sectional areas perpendicular to the axis of alignment; 
 a fastener having a first portion disposed within the recessed portion of the second glass pane, wherein the first portion anchors the fastener between the first glass pane and the second glass pane, and a second portion extending outward from an exterior surface of the second glass pane, wherein the second portion comprises a male portion; and 
 a conductive layer disposed within the bore, extending between the first glass pane and the first portion of the fastener, and covering an entire surface of the first portion of the fastener, 
 wherein the conductive layer is configured to collect energy and transmit electricity to the first portion of the fastener to power devices that are part of the fastener, and 
 wherein the conductive layer and the interlayer form a continuous surface with the conductive layer filling the bore in the interlayer. 
 
     
     
       17. The system of  claim 11 , wherein one of the first and second portions is magnetically attractable to the other of the first and second portions. 
     
     
       18. The system of  claim 16 , wherein the second portion of the fastener is configured to directly couple the first and second glass panes to a vehicle structure, and wherein the vehicle structure is at least one of a vehicle pillar or door frame. 
     
     
       19. The system of  claim 16 , wherein the devices include at least one of lights or sensors. 
     
     
       20. The system of  claim 16 , wherein the bore is a first bore, wherein the second glass pane defines a second bore axially aligned with the first bore and the recessed portion, and wherein the second portion of the fastener is directly coupled to the first portion of the fastener and extends through the second bore and outward from the exterior surface of the second glass pane. 
     
     
       21. The system of  claim 20 , wherein the fastener has a third portion configured to engage the second portion of the fastener outside the exterior surface of the second glass pane, and wherein the third portion comprises a female portion. 
     
     
       22. The system of  claim 16 , wherein one of the first and second portions is magnetically attractable to the other of the first and second portions. 
     
     
       23. The system of  claim 15 , wherein connection of the second portion of the fastener to the third portion of the fastener is configured to couple the first and second glass panes to a vehicle structure, and wherein the vehicle structure is at least one of a vehicle pillar or door frame.

Description:
CROSS-REFERENCE TO RELATED APPLICATIONS 
     This application claims the benefit of U.S. Provisional Application No. 62/298,143, entitled “Glass Fastening and Sealing Systems,” filed on Feb. 22, 2016, which is incorporated by reference in its entirety. 
    
    
     TECHNICAL FIELD 
     The application relates generally to joints for glass. More particularly, described embodiments relate to overmolds, seals, masks, and fasteners that are joined with laminated glass during or after the lamination process. 
     BACKGROUND 
     Laminated glass, or safety glass, is traditionally formed by bonding either a polyvinyl butyral (PVB) or ethylene-vinyl acetate (EVA) interlayer between two layers of glass. A thin film or layer of PVB or EVA can be placed between two layers of glass, a vacuum can be applied to remove air from between the various layers, and then heat and/or pressure can be applied to bond the layers together, for example, using an autoclave. Laminated glass can be used to dampen sound transmission and increase the level of safety in architectural and automotive applications, for example, to deter shattering of windows during a hurricane or dampen sound entering through the windows of a passenger compartment of a vehicle. 
     Traditional fastening systems for laminated glass include edge-style frames and c-shaped or u-shaped clamps that surround panes of laminated glass as well as spider-style fittings attached to bore-based fasteners configured to position the corners of multiple pieces of laminated glass adjacent to each other. More elegant fastening solutions are needed to minimize visibility of the fastening system. 
     SUMMARY 
     The disclosure relates to glass fastening and sealing systems. In one aspect of the disclosure, a glass fastening system includes a first glass pane, a second glass pane defining a bore, an interlayer disposed between and extending along interior surfaces of the first glass pane and the second glass pane, and a fastener having a first portion disposed along the interlayer between the first glass pane and the second glass pane and a second portion extending outward from an exterior surface of the second glass pane. 
     In another aspect of the disclosure, a glass fastening system includes a first glass pane, a second glass pane, an interlayer disposed between the glass panes, an adhesive layer disposed along an exterior surface of the second glass pane, and a fastener having a first portion extending along the adhesive layer and a second portion extending from the first portion and away from the exterior surface. The second portion of the fastener is configured to secure the first glass pane and the second glass pane to a support structure. 
     In another aspect of the disclosure, a glass sealing system includes a first glass portion having a first edge portion, a second glass portion having a second edge portion, an interlayer disposed between the first glass portion and the second glass portion, and a seal comprising an overmold portion capturing the first edge portion and the second edge portion. 
     In another aspect of the disclosure, a glass sealing system includes a first glass pane, a second glass pane defining a recessed portion and a plurality of bores within the recessed portion, an interlayer disposed between the first glass pane and the second glass pane, and a seal. The seal includes an internal portion extending along and disposed within the recessed portion, an external portion axially aligned with the internal portion and extending along an exterior surface of the second glass pane, and connection portions extending through the bores from the internal portion to the external portion. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
       The disclosure will be readily understood by the following detailed description in conjunction with the accompanying drawings, wherein like reference numerals designate like structural elements. A description of the drawings is as follows. 
         FIG. 1  shows a top view of laminated glass including a fastening system. 
         FIG. 2  shows an exploded sectional view of a fastener embedded in a portion of the laminated glass of  FIG. 1  during glass lamination. 
         FIG. 3  shows an exploded sectional view of another fastener embedded in a portion of the laminated glass of  FIG. 1  during glass lamination. 
         FIG. 4  shows an exploded sectional view of another fastener adhered to a portion of the laminated glass of  FIG. 1 . 
         FIG. 5  shows a top view of laminated glass including another type of fastening system. 
         FIG. 6  shows an exploded sectional view of a fastener extending through a portion of the laminated glass of  FIG. 5 . 
         FIG. 7  shows a top view of a juncture for two portions of laminated glass including another type of fastening system. 
         FIG. 8  shows an exploded sectional view of a fastener for clamping the two portions of laminated glass of  FIG. 7 . 
         FIG. 9  shows a top view of a sealing juncture for two portions of laminated glass with at least one portion movable in respect to the other portion. 
         FIG. 10  shows an exploded sectional view of the sealing juncture of  FIG. 9  with seals embedded during glass lamination. 
         FIG. 11  shows a sectional view of laminated glass sections disposed within a ductile, structural overmold. 
         FIG. 12  shows a top view of another sealing juncture for two portions of laminated glass adhered to a support structure. 
         FIG. 13  shows a sectional view of the sealing juncture of  FIG. 12  with masks embedded during glass lamination. 
         FIG. 14  shows a sectional view of the sealing juncture of  FIG. 12  with overlapping covers adhered to the glass for adhesion to the support structure. 
         FIG. 15  shows a sectional view of the sealing juncture of  FIG. 12  with spaced covers adhered to the glass for adhesion to the support structure. 
         FIG. 16  shows a sectional view of the sealing juncture of  FIG. 12  with fasteners extending from the laminated glass into the support structure. 
         FIG. 17  shows a sectional view of the sealing juncture of  FIG. 12  with fasteners extending from an overmold into the support structure. 
         FIG. 18  shows a top view of another sealing juncture for two portions of laminated glass with at least one portion movable in respect to the other portion. 
         FIG. 19  shows a sectional view of the sealing juncture of  FIG. 18  with an overmolded seal disposed on one of the glass portions. 
         FIG. 20  shows a sectional view of the sealing juncture of  FIG. 19  with another overmolded seal disposed on one of the glass portions. 
     
    
    
     DETAILED DESCRIPTION 
     The following disclosure relates to glass fastening systems, sealing systems, and support structures. In some examples of fastening systems, fastener portions are embedded between glass panes during a glass lamination process. In other examples of fastening systems, fastener portions are adhered to exterior surfaces of glass panes or magnetically attracted to each other through glass panes. In examples of sealing systems, seals are partially embedded within or encapsulated around edges of laminated glass portions, either during or after the lamination process. In examples of support structures, transparent, ductile support bodies extend between overmold portions to capture and support laminated glass portions. 
     The glass fastening and sealing systems described below can be implemented in automotive applications, for example, to increase the transparent area of glass surfaces in a vehicle such as the windshield, door windows, backlight, or roof. Embedded fasteners can be used to attach laminated glass directly to underlying body structure, such as an A-, B-, or C-pillar in a vehicle. Embedded or encapsulated seals can be used to abut portions of laminated glass, for example, at a door window to a windshield or a backlight interface, allowing more of the interface to be transparent. Supporting laminated glass portions within a transparent, ductile body can also increase the transparent area of various glass vehicle surfaces. 
       FIG. 1  shows a top view of laminated glass  100  including an example of a fastening system. As seen in the top view, multiple fasteners  102  are included in the fastening system, each including a fastener portion  104  embedded within or adhered to the laminated glass  100  and a fastener portion  106  configured to couple with the embedded or adhered fastener portion  104 , for example, in association with a structure to which the laminated glass  100  is connected, such as a vehicle pillar or a door frame. A section, A-A, is shown as extending through a central fastener  102  in the fastening system. Sectional views through section A-A for various examples of the fastener  102  are described in conjunction with  FIGS. 2-4  below. 
       FIG. 2  shows an exploded sectional view of a fastener  202  embedded in a laminated glass portion  200  during the lamination process. The laminated glass portion  200  can be part of the laminated glass  100  of  FIG. 1 . The sectional view of laminated glass portion  200  includes a first glass pane  208  and a second glass pane  210 . The second glass pane  210  defines a bore  212 . The laminated glass portion  200  also includes an interlayer  214  defining another bore  216 , the bore  216  in the interlayer  214  being axially aligned with the bore  212  in the second glass pane  210 , for example, along axis B. The interlayer  214  is disposed between the first glass pane  208  and the second glass pane  210  and extends along interior surfaces of the first glass plane  208  and the second glass pane  210  so as to couple the first and second glass panes  208 ,  210 . The interlayer  214  can include a pressure-based adhesive and/or a thermally-activated adhesive configured to join the first glass pane  208  and the second glass pane  210  during the lamination process. 
     The fastener  202  in the laminated glass fastening system of  FIG. 2  includes a fastener portion  204  disposed at least partially within the bore  216  in the interlayer  214  once the lamination process is complete. The second glass pane  210  can also include a relief portion  218  formed, for example, by grinding or machining. The relief portion  218  is configured both to avoid an increase in thickness in the laminated glass portion  200  and to assist in locating the fastener portion  204  before the lamination process. Thus, the fastener portion  204  becomes captured, or sandwiched, between the first glass pane  208  and the second glass pane  210  once lamination is complete. The fastener  202  also includes a fastener portion  220  extending from the fastener portion  204  and through the bore  212  in the second glass pane  210 . The fastener portion  220  can extend below a bottom surface of the second glass pane  210  after the lamination process is complete. 
     The fastener  202  also includes a fastener portion  206  configured to capture the fastener portion  220  that extends through the bore  212  beyond the bottom surface of the second glass pane  210 . In this example, the fastener portion  206  is a female portion and the fastener portion  220  is a male portion, though other configurations are also possible. The fastener portion  206  can be disposed in, extend through, or generally be associated with a structure such that connection of the fastener portion  220  with the fastener portion  206  couples the laminated glass portion  200  to the underlying structure. 
     The lamination process can include placing a compliant layer  222  between the fastener portion  204  and the relief portion  218  of the second glass pane  210 . The compliant layer  222  can be deformable and configured to dissipate clamp loads between the fastener  202  and the second glass pane  210  since machining or grinding the relief portion  218  can create additional stress on the laminated glass portion  200 . Though the compliant layer  222  is shown as located within the relief portion  218 , the fastener  202  could alternatively be designed to include the compliant layer  222 . 
     The lamination process for embedding the fastener  202  of  FIG. 2  can also include placing a conductive layer  224  between the first glass pane  208  and the fastener portion  204 , the conductive layer  224  being configured to transmit energy through the fastener  202 . In one example, the conductive layer  224  can be designed to collect solar energy. In another example, the conductive layer  224  can be designed to transmit electricity in order to power devices associated with the laminated glass portion  200 , such as lights, sensors, etc. In some cases, these devices can be part of the embedded fastener  202 . 
       FIG. 3  shows an exploded sectional view of another fastener  302  embedded in a laminated glass portion  300  during the lamination process. The laminated glass portion  300  can be part of the laminated glass  100  of  FIG. 1 . The sectional view of the laminated glass portion  300  includes a first glass pane  308  and a second glass pane  310 . The laminated glass portion  300  also includes an interlayer  314  defining a bore  316 . The interlayer  314  is disposed between the first glass pane  308  and the second glass pane  310  and extends along interior surfaces of the first glass plane  308  and the second glass pane  310  so as to couple the first and second glass panes  308 ,  310 . The interlayer  314  can include a pressure-based adhesive and/or a thermally-activated adhesive configured to join the first glass pane  308  and the second glass pane  310  during the lamination process. 
     The fastener  302  in the laminated glass fastening system of  FIG. 3  includes a fastener portion  304  disposed at least partially within the bore  316  in the interlayer  314  once the lamination process is complete. To aid in locating the fastener portion  304  during the lamination process and avoid an increase in overall thickness, the second glass pane  310  can include a relief portion  318  formed, for example, by grinding or machining. The fastener portion  304  becomes captured, or sandwiched, between the first glass pane  308  and the second glass pane  310  once lamination is complete, nestled within the bore  316  and the relief portion  318 . 
     The fastener  302  also includes a fastener portion  320  disposed on an exterior surface of the second glass pane  310 . The fastener portion  320  can be aligned with the fastener portion  304  after the lamination process is complete by having one of the fastener portion  304  and the fastener portion  320  formed of a magnetic material and the other of the fastener portion  304  and the fastener portion  320  formed of a magnetically attractable material, that is, the two fastener portions  304 ,  320  are attracted magnetically. 
     The magnet, be it part of the fastener portion  304  or the fastener portion  320 , can be designed to have sufficient strength to allow the fastener portion  320  to be further coupled to the separate fastener portion  306 . The fastener portion  306  is configured to capture the fastener portion  320 . In this example, the fastener portion  306  is a female portion and the fastener portion  320  is a male portion, though other configurations are also possible. In a similar manner as described in respect to  FIG. 2 , the fastener portion  306  can be disposed in, extend through, or generally be associated with a structure such that connection of the fastener portion  320  with the fastener portion  306  couples the laminated glass portion  300  to the underlying structure. 
       FIG. 4  shows an exploded sectional view of another fastener  402  adhered to a laminated glass portion  400 . The laminated glass portion  400  can be part of the laminated glass  100  of  FIG. 1 . The laminated glass portion  400  includes a first glass pane  408 , a second glass pane  410 , and an interlayer  414  disposed between the first glass pane  408  and the second glass pane  410 . As in previous examples, the interlayer  414  joins the first glass pane  408  and the second glass pane  410  during the lamination process. A fastener  402  is attached to the second glass pane  410  using an adhesive  426 , the adhesive being disposed on an exterior surface of the second glass pane  410 . Alternatively, the adhesive  426  can be applied to the fastener  402  before attachment to the laminated glass portion  400 . 
     Specifically, the fastener  402  includes a fastener portion  404  that is disposed on and extends for the length of the adhesive  426  and a fastener portion  420  extending away from the fastener portion  404  and away from an exterior surface of the second glass pane  410 . Optionally, the fastener portion  404  can include, comprise, or be contained within a glass housing  428 , or at least formed of a glass material. In this example, the adhesive  426  connects two glass surfaces together. Using a glass housing  428  or a glass material in association with the fastener portion  404  provides additional structure and strength to the fastener  402  while at the same time minimizing stress to the laminated glass portion  400  and maintaining transparency. 
     The fastener  402  can also include a fastener portion  406  configured to capture the fastener portion  420 . In this example, the fastener portion  406  is a female portion and the fastener portion  420  is a male portion, though other configurations are also possible. In a similar manner as described in respect to  FIGS. 2 and 3 , the fastener portion  406  can be disposed in, extend through, or generally be associated with a structure such that connection of the fastener portion  420  with the fastener portion  406  couples the laminated glass portion  400  to the underlying structure. 
       FIG. 5  shows a top view of laminated glass  500  including another type of fastening system. As seen in this top view, multiple fasteners  502  are included in the fastening system, portions of the fasteners  502  being present on a top surface of the laminated glass  500 . A section, C-C, is shown as extending through a central fastener  502  in the fastening system. A sectional view along section C-C through a fastener similar to one of the fasteners  502  is described in conjunction with  FIG. 6  below. 
       FIG. 6  shows an exploded sectional view of a fastener  602  extending through a laminated glass portion  600 . The laminated glass portion  600  can be part of the laminated glass  500  of  FIG. 5 . The laminated glass portion  600  includes a first glass pane  608  having a relief portion  618  and defining a bore  630 , a second glass pane  610  defining a bore  612 , and an interlayer  614  defining a bore  616 . The bores  612 ,  616 ,  630  are axially aligned and the interlayer  614  is disposed between the first glass pane  608  and the second glass pane  610 . 
     The fastener  602  includes a fastener portion  604  at least partially disposed within the relief portion  618  within the first glass pane  608  and a fastener portion  620  extending from the fastener portion  604  through all three bores  612 ,  616 ,  630 . The fastener  602  also includes a fastener portion  606  configured to capture the fastener portion  620 . In  FIG. 6 , the fastener portion  620  is shown as a male portion and the fastener portion  606  is shown as a female portion, though other configurations are possible. For example, the fastener portion  606  can at least partially extend through the bore  612  to capture the fastener portion  620 . The fastener portion  606  can extend from or be captured within a support structure, such as a vehicle pillar or a door frame. 
     In operation, the laminated glass portion  600  can be machined, drilled, bored, etc. either before or after the lamination process, and the fastener portion  606  can be associated with or make contact with an underlying structure in order to join the laminated glass portion  600  to the structure. In the example of  FIG. 6 , the fastener portion  604  is designed so as to be flush with an outer surface of the first glass pane  608  after connection of the laminated glass portion  600  to the structure. 
       FIG. 7  shows a top view of a juncture for two laminated glass portions  700   a,b  including another type of fastening system. As seen in the top view, multiple fasteners  702  are included in the fastening system, portions of the fasteners  702  being present on a top surface of a trim element  732  used to clamp the two laminated glass portions  700   a,b  together. A section, D-D, is shown as extending through a central fastener  702  in the fastening system. A sectional view through section D-D of a fastener similar to one of the fasteners  702  is described in conjunction with  FIG. 8  below. 
       FIG. 8  shows an exploded sectional view of a fastener  802  for clamping two laminated glass portions  800   a,b  together. The laminated glass portions  800   a,b  can be part of or similar to the laminated glass portions  700   a,b  of  FIG. 7 . The laminated glass portions  800   a,b  each include first glass panes  808   a,b , second glass panes  810   a,b , and interlayers  814   a,b . Both laminated glass portions  800   a,b  also include recess portions  818   a,b  on upper surfaces. A trim element  832  is disposed within the recess portions  818   a,b . In a manner similar to that shown for the trim element  732  of  FIG. 7 , the trim element  832  of  FIG. 8  can extend for most of the length of the two laminated glass portions  800   a,b  in order to define a clamping surface against the two laminated glass portions  800   a,b.    
     The trim element  832  also defines a bore  834 , the bore  834  being configured to receive the fastener  802 . The fastener  802  in  FIG. 8  includes a fastener portion  804  that is disposed along an upper surface of the trim element  832  and a fastener portion  820  that extends from the fastener portion  804  through the bore  834  and along side surfaces of the two laminated glass portions  800   a,b . The fastener  802  also includes a fastener portion  806  configured to capture the fastener portion  820  and clamp the two laminated glass portions  800   a,b  together in conjunction with the trim element  832 . The trim element  832  can also include a recess portion (not shown) such that the fastener portion  804  sits within the recess portion of the trim element  832  once the clamp load is applied. 
     In  FIG. 8 , the fastener portion  820  is shown as a male portion and the fastener portion  806  is shown as a female portion, though other fastening schemes are also possible. In this example, the fastener portion  806  is also designed to extend along the side surfaces of the two laminated glass portions  800   a,b  when it captures the fastener portion  820 . Again, the fastener portion  806  can be associated with, captured within, or extend from an underlying structure such as a vehicle pillar or a door frame such that the fastening system clamps the two laminated glass portions  800   a,b  to the underlying structure using the trim element  832 . 
       FIG. 9  shows a top view of a sealing juncture for two laminated glass portions  900   a,b  with at least one portion  900   a  movable in respect to the other portion  900   b . Each of the laminated glass portions  900   a,b  includes an embedded seal  936   a,b . The seals  936   a,b  include internal portions  938   a,b , external portions  940   a,b , and a plurality of connection portions  942   a,b  that extend from the internal portions  938   a,b  to the external portions  940   a,b  of the seals  936   a,b . The sealing juncture is designed such that the external portion  940   a  can couple with the external portion  940   b  when the two laminated glass portions  900   a,b  are brought together, for example, in the case of moving window in the door of a vehicle. A section, E-E, is shown as extending through a pair of central connection portions  942   a,b  in the sealing system. A sectional view through section E-E for a connection portion similar to the central connection portions  942   a,b  is described in conjunction with  FIG. 10  below. 
       FIG. 10  shows an exploded sectional view of the sealing juncture of  FIG. 9 . Each of the laminated glass portions  1000   a,b  in  FIG. 10  includes a first glass pane  1008   a,b , a second glass pane  1010   a,b , and an interlayer  1014   a,b  disposed between the first and second glass panes  1008   a,b ,  1010   a,b . The second glass panes  1010   a,b  define recessed portions  1018   a,b  and bores  1012   a,b . The recessed portions  1018   a,b  can extend along the length of the second glass panes  1010   a,b  and the bores  1012   a,b  can be multiple and spaced along the recessed portions  1018   a,b  at predetermined intervals. 
     The laminated glass sealing system of  FIG. 10  can include a pair of seals  1036   a,b . The seals  1036   a,b  can include internal portions  1038   a,b  that extend along and are disposed within the recessed portions  1018   a,b . The seals  1036   a,b  can also include external portions  1040   a,b  that are axially aligned with the internal portions  1030   a,b  and extend along an exterior surface of the second glass panes  1010   a,b . In this example, the external portions  1040   a,b  also extend beyond the sides of the second glass panes  1010   a,b , forming lips or edges for the seals  1036   a,b  outside of the second glass panes  1010   a,b.    
     The seals  1036   a,b  can also include multiple connection portions  1042   a,b , the connection portions  1042   a,b  extending through the bores  1012   a,b  from the internal portions  1038   a,b  to the external portions  1040   a,b . The seals  1036   a,b  can be located prior to lamination, for example, by passing the external portions  1040   a,b  through the bores  1012   a,b . Alternatively, the seals  1036   a,b  can be applied to the laminated glass portions  1000   a,b  after the lamination process, for example, using injection molding or another process configured to force the material of the seals into the recessed portions  1018   a,b  through the bores  1012   a,b.    
     In operation of the sealing system of  FIG. 10 , the two external portions  1040   a,b  can be engaged by sliding the laminated glass portions  1000   a,b  toward each other in the same plane. In this example, the external portion  1040   a  is a male portion and the external portion  1040   b  is a female portion, though other coupling schemes are also possible. The laminated glass sealing system of  FIG. 10  also includes a set of masks  1044   a,b  disposed between the first glass panes  1008   a,b  and the interlayers  1014   a,b , the masks  1044   a,b  being axially aligned with the internal portions  1038   a,b  of the seals  1036   a,b  so as to block visibility of the seals  1036   a,b  from an external surface of the first glass panes  1008   a,b . The masking feature is optional and serves to change the appearance of the laminated glass sealing system. 
       FIG. 11  shows a sectional view of laminated glass portions  1100   a,b,c,d  disposed within ductile, structural overmolds. In this example, the overmolds are support structures  1146   a,b,c,d  including support bodies  1148   a,b,c,d  extending between pairs of overmold sections  1150   a,b,c,d , with each of the overmold sections  1150   a,b,c,d  capturing one end of the laminated glass portions  1100   a,b,c,d . Though the example of  FIG. 11  includes four laminated glass portions  1100   a,b,c,d  and four support structures  1146   a,b,c,d  coupled in a ring shape, other configurations are also possible. 
     The support structures  1146   a,b,c,d  can be formed of a non-glass material, such as a composites or a polymer with transparent properties, making both the laminated glass portions  1100   a,b,c,d  and the support structures  1146   a,b,c,d  transparent. The support structures  1146   a,b,c,d  can also be formed of a ductile material that allows deformation while at the same time providing sufficient stiffness to withstand outside forces acting upon the laminated glass portions  1100   a,b,c,d  without bending or buckling. These outside forces can be caused, for example, by winds from weather events, by impact from other structures, etc. 
       FIG. 12  shows a top view of another sealing juncture for two laminated glass portions  1200   a,b  adhered to a support structure  1252 . The support structure  1252  can be, for example, a vehicle pillar, such as an a-pillar or a roof beam extending between a-pillars on a vehicle, or an architectural beam, such as a brace extending between a floor and a ceiling in a building. The sealing juncture can be designed such that an outer edge  1254   a  of the laminated glass portion  1200   a  is spaced from an outer edge  1254   b  of the laminated glass portion  1200   b  when the two laminated glass portions  1200   a,b  are adhered to the support structure  1252 . The sealing juncture can also be designed such that both laminated glass portions  1200   a,b  overlap an upper surface of the support structure  1252  to allow for build tolerance variation when securing the laminated glass portions  1200   a,b  to the support structure  1252 . A section, F-F, is shown as extending through the laminated glass portions  1200   a,b  and the support structure  1252  in the sealing system. Various sectional views through section F-F for a variety of sealing and attachments systems are described in conjunction with  FIGS. 13-17  below. 
       FIG. 13  shows a sectional view of the sealing juncture of  FIG. 12  with masks  1344   a,b  embedded during glass lamination. The sealing juncture can include two glass portions  1300   a,b  having first glass panes  1308   a,b , second glass panes  1310   a,b , and interlayers  1314   a,b . Though shown as laminated glass portions  1300   a,b , other forms of glass or other transparent materials are also possible. Adhesive layers  1326   a,b , for example, in the form of a thick, curable, compliant adhesive such as urethane, can be disposed on exterior surfaces of the glass portions  1300   a,b  in order to secure the glass portions  1300   a,b  to a support structure  1352 . In the example of  FIG. 13 , the adhesive layers  1326   a,b  are positioned near outer edges  1354   a,b  of the glass portions  1300   a,b  such that the adhesive layers  1326   a,b  can be compressed against the support structure  1352  and, for example, cured or dried, in order to firmly secure the glass portions  1300   a,b  to the support structure  1352 . 
     When being secured to the support structure  1352 , the outer edges  1354   a,b  of the glass portions  1300   a,b  are generally aligned while at the same time slightly spaced in order to avoid contact between the outer edges  1354   a,b . Additionally, a sufficient amount of overlap is designed between the glass portions  1300   a,b  and the support structure  1352  such that build variation in the support structure  1352  or placement of the adhesive layers  1326   a,b  does not impact sealing of the adhesive layers  1326   a,b  to the support structure  1352 . Once the glass portions  1300   a,b  are secured to the support structure  1352 , the visual effect becomes one of floating glass, with both the support structure  1352  and the adhesive layers  1326   a,b  visible through the glass portions  1300   a,b.    
     In the case where viewing the adhesive layers  1326   a,b  is not desirable or the adhesive requires isolation from solar radiation, the glass portions  1300   a,b  can be designed with integrated masks  1344   a,b , for example, of a color or style matching, coordinating with, or otherwise complementing the support structure  1352  or other design features of the overall structure in which the glass portions  1300   a,b  are installed. The masks  1344   a,b  can be laminated between the respective glass panes  1308   a,b ,  1310   a,b  or can be applied to an exterior surface of the glass portions  1300   a,b . When applied, the masks  1344   a,b  are designed for axial alignment with the adhesive layers  1326   a,b  such that the adhesive layers  1326   a,b  are not visible through the glass portions  1300   a,b . The masks  1344   a,b  can include any number of colors, materials, or design features so as to both cover the adhesive layers  1326   a,b  and provide a pleasing visual effect. 
       FIG. 14  shows a sectional view of the sealing juncture of  FIG. 12  with overlapping covers  1456   a,b  adhered to glass portions  1400   a,b  for adhesion to an underlying support structure  1452 . The sealing juncture can include two glass portions  1400   a,b  having first glass panes  1408   a,b , second glass panes  1410   a,b , and interlayers  1414   a,b . Though shown as laminated glass portions  1400   a,b , other forms of glass or other transparent materials are also possible. Thin, transparent adhesive layers  1458   a,b  can be applied to exterior surfaces of the glass portions  1400   a,b  in order to secure the covers  1456   a,b  to the glass portions  1400   a,b . The transparent adhesive layers  1458   a,b  can be designed with little or no compliance in order to rigidly secure the covers  1456   a,b  to the glass portions  1400   a,b.    
     The covers  1456   a,b  in the example of  FIG. 14  are elongated panels having opposing surfaces, the first surfaces being secured to the transparent adhesive layers  1458   a,b , and the second or opposing surfaces being configured to receive compliant adhesive layers  1426   a,b  similar to the adhesive layers  1326   a,b  described in reference to  FIG. 13 . The covers  1456   a,b  can be shaped in variety of ways or formed from a variety of materials, such as plastic, steel, aluminum, or composite, so as to create a desired visual effect when viewed from either side of the glass portions  1400   a,b . The covers  1456   a,b  are designed to extend beyond outer edges  1454   a,b  of the glass portions  1400   a,b  when secured by the transparent adhesive layers  1458   a,b  to obscure the support structure  1452  from view through one side of the glass portions  1400   a,b.    
     Once the compliant adhesive layers  1426   a,b  are applied to the covers  1456   a,b , the glass portions  1400   a,b  can be positioned such that the extending portions of the covers  1456   a,b  either meet or overlap, and the combination of the glass portions  1400   a,b  and the covers  1456   a,b  can be compressed against the support structure  1452  to complete the sealing juncture. When the glass portions  1400   a,b  are secured to the support structure  1452 , the covers  1456   a,b  extend from opposing edges of the support structure  1452  to positions beyond the outer edges  1454   a,b  of the glass portions  1400   a,b , completely obscuring the compliant adhesive layers  1426   a,b  from view from either side of the glass portions  1400   a,b.    
       FIG. 15  shows a sectional view of the sealing juncture of  FIG. 12  with spaced covers  1556   a,b  adhered to glass portions  1500   a,b  for adhesion to an underlying support structure  1552 . The sealing juncture can include two glass portions  1500   a,b  having first glass panes  1508   a,b , second glass panes  1510   a,b , and interlayers  1514   a,b . Though shown as laminated glass portions  1500   a,b , other forms of glass or other transparent materials are also possible. Transparent adhesive layers  1558   a,b  can be applied to exterior surfaces of the glass portions  1500   a,b  in order to secure the covers  1556   a,b  to the glass portions  1500   a,b . The transparent adhesive layers  1558   a,b  can be designed to be thin, with little or no compliance, or to be thicker, having some compliance. In either design, the transparent adhesive layers  1558   a,b  can firmly secure the covers  1556   a,b  to the glass portions  1500   a,b.    
     The covers  1556   a,b  in the example of  FIG. 15  are c-shaped channels having opposing surfaces, the first surfaces being secured to the transparent adhesive layers  1558   a,b , and the second or opposing surfaces being configured to receive compliant adhesive layers  1526   a,b . The shape of the covers  1556   a,b  allows the channels to be filled with the compliant adhesive layers  1526   a,b . The support structure  1552  can be designed with recesses  1560   a,b  configured to receive the covers  1556   a,b  filled with the compliant adhesive layers  1526   a,b , that is, the covers  1556   a,b  can be inserted, at least partially, within the recesses  1560   a,b  in the support structure  1552 . To secure the glass portions  1500   a,b  to the support structure  1552 , the compliant adhesive layers  1526   a,b  that fill the channels in the covers  1556   a,b  can be compressed against bottom surfaces of the recesses  1560   a,b  in the support structure  1552 . 
     Though the covers  1556   a,b  in  FIG. 15  are shown as protruding slightly from the recesses  1560   a,b  when the sealing juncture is complete, the covers  1556   a,b  can be designed to be flush with the top of the recesses  1560   a,b  or to protrude further from the recesses  1560   a,b  when installed. In any of these configurations, the covers  1556   a,b  can completely obscure the compliant adhesive layers  1526   a,b  from view while at the same time providing a striped visual effect when viewed from one side of the glass portions  1500   a,b . The location of the recesses  1560   a,b  in the support structure  1552  can modify the visual effect. Additionally, the recesses  1560   a,b  can be shaped such that the compliant adhesive layer  1526   a,b  can be removed when necessary, for example, using a thin angled tool, such as a vehicle trim tool in the case where the support structure  1552  is a vehicle pillar. 
       FIG. 16  shows a sectional view of the sealing juncture of  FIG. 12  with fasteners  1602   a,b  extending from glass portions  1600   a,b  into a support structure  1652 . The sealing juncture can include two glass portions  1600   a,b  having first glass panes  1608   a,b , second glass panes  1610   a,b , and interlayers  1614   a,b . Though shown as laminated glass portions  1600   a,b , other forms of glass or other transparent materials are also possible. Transparent adhesive layers  1658   a,b  can be applied to exterior surfaces of the glass portions  1600   a,b  in order to secure first portions  1604   a,b  of the fasteners  1602   a,b  to the glass portions  1600   a,b . The transparent adhesive layers  1658   a,b  can be designed to be thin, with little or no compliance, in order to rigidly secure the first portions  1604   a,b  to the glass portions  1600   a,b.    
     The fasteners  1602   a,b  in the example of  FIG. 16  include both the first portions  1604   a,b  secured to the transparent adhesive layers  1658   a,b  and second portions  1620   a,b  extending from the respective first portions  1604   a,b  away from the transparent adhesive layers  1658   a,b . The support structure  1652  can be designed with bores or recesses  1660   a,b  configured to receive the second portions  1620   a,b  of the fasteners  1602   a,b . In one embodiment, the recesses  1660   a,b  in the support structure  1652  can be filled with compliant adhesive layers  1626   a,b  configured to receive the second portions  1620   a,b  of the fasteners  1602   a,b  in order to secure the glass portions  1600   a,b  to the support structure  1652 . In another embodiment (not shown) the recesses  1660   a,b  can include other forms of retainers, such as bushings, configured to receive the second portions  1620   a,b  of the fasteners  1602   a,b.    
     The first portions  1604   a,b  of the fasteners  1602   a,b  can be visible through the glass portions  1600   a,b  and can be shaped or styled such that the second portions  1620   a,b  of the fasteners  1602   a,b  as well as the compliant adhesive layers  1626   a,b  are obscured when viewed from one side of the glass portions  1600   a,b . The location of the fasteners  1602   a,b  adhered to the glass portions  1600   a,b  and the location of the recesses  1660   a,b  in the support structure  1652  can be changed to modify the visual effect. The recesses  1660   a,b  can be shaped such that the compliant adhesive layers  1526   a,b , and in turn, the second portions  1620   a,b  of the fasteners  1602   a,b  can be removed when necessary, for example, using a thin angled tool, such as a vehicle trim tool. 
       FIG. 17  shows a sectional view of the sealing juncture of  FIG. 12  with fasteners  1702   a,b  extending from overmolds  1750   a,b  into a support structure  1752 . The sealing juncture can include two glass portions  1700   a,b  having first glass panes  1708   a,b , second glass panes  1710   a,b , and interlayers  1714   a,b . Though shown as laminated glass portions  1700   a,b , other forms of glass or other transparent materials are also possible. The overmolds  1750   a,b  can be applied, for example, using an encapsulation process, to edges  1754   a,b  of the glass portions  1700   a,b . The overmolds  1750   a,b  can be designed to secure first portions  1704   a,b  of the fasteners  1702   a,b  to the glass portions  1700   a,b  and create a visual feature along the edges  1754   a,b.    
     The fasteners  1702   a,b  in the example of  FIG. 17  include both the first portions  1704   a,b  embedded or captured within the overmolds  1750   a,b  and second portions  1720   a,b  extending perpendicularly from the first portions  1704   a,b  out of the overmolds  1750   a,b . The support structure  1752  can be designed with bores or recesses  1760   a,b  configured to receive the second portions  1720   a,b  of the fasteners  1702   a,b . In the example of  FIG. 17 , the recesses  1760   a,b  can be designed to hold or receive retainers, such as bushings  1762   a,b , configured to capture the second portions  1720   a,b  of the fasteners  1702   a,b . Though the retainers shown are bushings  1762   a,b , other forms of retainers such as clips, adhesives, or clamps are also possible. 
     The first portions  1704   a,b  of the fasteners  1702   a,b  can be visible through the glass portions  1700   a,b  and can be positioned within the overmolds  1750   a,c  as desired to modify the visual effect of the fasteners  1702   a,b . The interface between the overmolds  1750   a,b  and the support structure  1752  can be designed such that the second portions  1720   a,b  of the fasteners  1702   a,b  can be removed from the support structure  1752  when necessary, for example, by designing a gap between the overmolds  1750   a,b  and the support structure  1752  when the fasteners  1702   a,b  are secure. In the embodiment shown in  FIG. 17 , the fasteners  1702   a,b  are located at discrete points within the overmold  1750   a,b . In an alternative embodiment (not shown), the second portions  1720   a,b  of the fasteners  1702   a,b  can be located at discrete points while the first portions  1704   a,b  of the fasteners  1702   a,b  are formed as strips or bars, creating a striped effect when viewed through the glass portions  1700   a,b.    
       FIG. 18  shows a top view of another sealing juncture for two glass portions  1800   a,b  with one glass portion  1800   a  movable in respect to the other glass portion  1800   b . The glass portions  1800   a,b  include first edge portions  1864   a,b  and second edge portions  1866   a,b  that are offset from the first edge portions  1864   a,b . The sealing juncture is designed such that the when the glass portion  1800   a  moves toward the glass portion  1800   b , the first edge portions  1864   a,b  align and the second edge portions  1866   a,b  align when the two glass portions  1800   a,b  are brought together, for example, in the case of a moving window in the door of a vehicle. A section, G-G, is shown as extending through the glass portions  1800   a,b  in the sealing system. Various sectional views through section G-G for a variety of sealing systems are described in conjunction with  FIGS. 19-20  below. 
       FIG. 19  shows a sectional view of the sealing juncture of  FIG. 18  with an overmolded seal  1936  disposed between glass portions  1900   a,b . Each of the glass portions  1900   a,b  in  FIG. 19  includes a first glass pane  1908   a,b , a second glass pane  1910   a,b , an interlayer  1914   a,b  disposed between the first and second glass panes  1908   a,b ,  1910   a,b , and edges  1954   a,b  defining first edge portions  1964   a,b  offset from second edge portions  1966   a,b . The offset of the first edge portion  1964   a  and the second edge portion  1966   a  is in the opposite direction from the offset of the first edge portion  1964   b  and the second edge portion  1966   b  such that the two glass portions  1900   a,b  can align in an interlocking manner when one moves toward the other. The offset is beneficial, for example, in situations where pressure differentials inside and outside of the sealing juncture pull the edges  1954   a,b  of the glass portions  1900   a,b  apart, such as in a vehicle traveling at higher speeds. 
     The seal  1936  in  FIG. 19  can include an overmold portion  1968  that captures the first edge portion  1964   b  and the second edge portion  1966   b  of the glass portion  1900   b , for example, by encapsulation. The seal  1936  can also include a compressible portion that extends from the overmold portion  1968 . In this example, the compressible portion includes a first bulb portion  1970  configured to sealingly engage the first edge portions  1964   a,b  of the glass portions  1900   a,b  under compression and a second bulb portion  1972  configured to sealingly engage the second edge portions  1966   a,b  of the glass portions  1900   a,b  and the support structure  1952  under compression. In operation of the sealing system of  FIG. 19 , the glass portions  1900   a,b  can be sealed against the support structure  1952  by sliding the glass portion  1900   a  toward the glass portion  1900   b . Once slid together, the first edge portion  1964   a  of the glass portion  1900   a  engages the first bulb portion  1970  and the second edge portion  1966   a  of the glass portion  1900   a  engages the second bulb portion  1972 . The second bulb portion  1972  is compressed in a manner which in turn engages the support structure  1952  as shown. 
       FIG. 20  shows a sectional view of the sealing juncture of  FIG. 18  with another overmolded seal  2036  disposed between glass portions  2000   a,b . Each of the glass portions  2000   a,b  in  FIG. 20  includes a first glass pane  2008   a,b , a second glass pane  2010   a,b , an interlayer  2014   a,b  disposed between the first and second glass panes  2008   a,b ,  2010   a,b , and edges  2054   a,b  defining first edge portions  2064   a,b  offset from second edge portions  2066   a,b . The offset of the first edge portion  2064   a  and the second edge portion  2066   a  is in the opposite direction from the offset of the first edge portion  2064   b  and the second edge portion  2066   b  such that the two glass portions  2000   a,b  can align in an interlocking manner when one moves toward the other, as was described in reference to  FIG. 19 . 
     The seal  2036  in  FIG. 20  can include an overmold portion  2068  that captures the first edge portion  2064   b  and the second edge portion  2066   b  of the glass portion  2000   b , for example, by encapsulation. The seal  2036  can also include a pair of compressible portions that extend from the overmold portion  2068 . In this example, a first bulb portion  2070  is configured to sealingly engage the first edge portions  2064   a,b  of the glass portions  2000   a,b  under compression and a second bulb portion  2072  is configured to sealingly engage the second edge portions  2066   a,b  of the glass portions  2000   a,b  under compression. To guide the glass portions  2000   a,b  together and to seal the glass portions  2000   a,b  to the support structure  2052 , the sealing system includes another seal  2074  disposed on the support structure  2052 . In operation, the glass portions  2000   a,b  can be sealed against the support structure  2052  by sliding the glass portion  2000   a  toward the glass portion  2000   b . Once slid together, the first edge portion  2064   a  of the glass portion  2000   a  engages the first bulb portion  2070  and the second edge portion  2066   a  engages the second bulb portion  2072 . The second glass pane  2010   a  also compresses the seal  2074  attached to the support structure  2052 .

Metadata:
Filing Date: 20170221
Publication Date: 20200218
Grant Date: 20200218
Priority Date: 20160222
Inventors: Kingman, David E.
Scott, Derek C.
MONROE, DONALD R.
HOBSON, Phil M.
LAZARO, JUAN A.
Kamei, Ibuki
RAFF, JOHN
LYNCH, STEPHEN B.
GOLKO, ALBERT J.
PREST, CHRISTOPHER D.
MEMERING, DALE N.
YURKO, JAMES A.
JONES, CHRISTOPHER D.
Assignee: APPLE INC
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Family ID: 69528257