Source: https://patents.google.com/patent/FR2971286A1/en
Timestamp: 2020-02-26 19:48:29
Document Index: 180995638

Matched Legal Cases: ['arts 61', 'art 25', 'arts 61', 'arts 61', 'arts 61', 'arts 61', 'arts 61', 'arts 61']

FR2971286A1 - Spacer, connector and insulating glazing - Google Patents
Spacer, connector and insulating glazing Download PDF
FR2971286A1
FR2971286A1 FR1150991A FR1150991A FR2971286A1 FR 2971286 A1 FR2971286 A1 FR 2971286A1 FR 1150991 A FR1150991 A FR 1150991A FR 1150991 A FR1150991 A FR 1150991A FR 2971286 A1 FR2971286 A1 FR 2971286A1
FR1150991A
2011-02-08 Application filed by Saint Gobain Glass France SAS, Saint-Gobain PM filed Critical Saint Gobain Glass France SAS
2011-02-08 Priority to FR1150991A priority Critical patent/FR2971286A1/en
2012-08-10 Publication of FR2971286A1 publication Critical patent/FR2971286A1/en
The invention relates to a spacer (3) for insulating glazing comprising a longitudinal body provided with two longitudinal sides (31, 32) and two membranes or membrane parts (61, 62) intended to be each secured to a glass sheet of the glazing unit. insulation, each membrane or portion of membrane (61, 62) being adapted to be hinged to the body about an axis parallel to the longitudinal axis of the body, between a position in which the membrane or membrane portion (61, 62 ) is disposed against a longitudinal side (31, 32) of the body and a position in which the membrane or membrane portion (61, 62) is at least partially spaced from the longitudinal side (31, 32) of the body. The invention makes it possible not to constrain the dimensioning of the insulating glazing while ensuring resistance to high climatic loads without damaging the butyl bead of the insulating glazing unit.
SPACER, CONNECTOR AND INSULATING GLAZING
The invention relates to an insulating glazing spacer, or an angled connector between two insulating glazing spacers, and an insulating glazing unit comprising at least two glass sheets and at least one spacer disposed between the glass sheets. An insulating glazing spacer is usually made of metal, for example aluminum or steel, or composite material, for example a combination of plastic and metal. To make an insulating glass, a butyl bead is deposited on the sides of the spacer forming a frame of any shape, then the butyl frame is placed between two sheets of glass. The butyl bead both makes it possible to secure the spacer to the glass sheets in order to seal the insulating glazing, and to provide a first barrier against gas and water vapor. A polyurethane, polysulfide or silicone sealant is then applied between the glass sheets of the insulating glazing, outside the spacer, between the edge of the spacer facing the outside of the glazing and the edge of the glass sheets. , which makes it possible to produce a second barrier to seal gas and water vapor. However, when an insulating glass is subjected to climatic loads or wind loads, it is deformed. For example, the glazing expands under the heat of the sun. When insulating glazing with a spacer as described above deforms under the effect of climatic loads, the butyl bead undergoes deformations which, if they are important, damage it. This deteriorates the sealing of the insulating glazing unit, thereby reducing the thermal insulation performance of the insulating glazing unit if air enters the insulating glass and replaces a gas such as argon and / or a reduction in visibility if water vapor penetrates between the glass sheets and condenses on the glass sheets inside the insulating glass. To avoid this problem of damage to the butyl bead, it is known to size the insulating glass units so as not to exceed a maximum level of mechanical stress in the sealing barriers formed by the sealant and the butyl bead. However, the sizing possibilities of insulating glass units are then limited. Thus, for triple-glazings with a width of less than 2971286 -2
less than 800 mm, or with gas slats greater than 12 mm thick or with glass sheets greater than 6 mm thick or laminated glass, the mechanical stresses generated in the butyl bead may be high, causing damage to the butyl bead and loss of sealing of the insulating glass. There is therefore a need for an insulating glazing spacer which makes it possible not to constrain the dimensioning of the insulating glazing while ensuring resistance to high climatic loads or wind loads without damaging the butyl bead of the insulating glazing unit. To this end, the invention proposes an insulating glazing spacer comprising a longitudinal body provided with two longitudinal sides and two membranes or membrane parts each intended to be secured to a glass sheet of the insulating glazing unit, each membrane or part of the membrane being adapted to be hinged to the body about an axis parallel to the longitudinal axis of the body, between a position in which the diaphragm or membrane portion is disposed against a longitudinal side of the body and a position in which the diaphragm or portion membrane is at least partially spaced from the longitudinal side of the body. In another feature, each membrane or membrane portion is in the form of an accordion or bellows having at least one fold. According to another feature, each membrane or membrane portion is adapted to form a hinge relative to the body when the spacer is mounted in an insulating glazing unit. According to another feature, the body is a hollow section filled with dessicant. According to another feature, the body is metal or plastic or composite material. According to another feature, the membranes or membrane parts are metallic and / or plastic. The invention also relates to a square connector between two insulating glazing spacers, comprising a square body provided with two branches connected by a corner, the end of each branch being intended to be inserted into a spacer and each branch and each corner being provided with two 2971286 -3
longitudinal sides, and two membranes or membrane parts intended to be each secured to a glass sheet of the insulating glass, each membrane or portion of the membrane being adapted to be articulated on the branches and the corner around an axis parallel to the longitudinal axis of the limbs and the wedge, between a position in which the diaphragm or membrane portion is disposed against a longitudinal side of the limbs and the corner and a position in which the membrane or part of the membrane is at least partially spaced apart from the longitudinal side branches and the corner. In another feature, each membrane or membrane portion is in the form of an accordion or bellows having at least one fold. According to another feature, each membrane or membrane portion is adapted to form a hinge relative to the bracket body when the connector is mounted in an insulating glazing unit. In another feature, the angled body forms a single hollow section filled with desiccant. According to another feature, the bracket body is metal or plastic or composite material. According to another feature, the membranes or membrane parts are metallic and / or plastic. The invention also relates to an insulating glazing unit comprising: at least two sheets of glass, at least one spacer described above, each membrane or portion of membrane being secured to one of the glass sheets of the insulating glazing unit; butyl between each membrane or portion of membrane and a glass sheet; the adhesion energy between the butyl bead and each membrane or membrane portion being strictly greater than the adhesion energy between each membrane or membrane portion and the longitudinal sides of the spacer body. In another feature, the glazing further comprises mastic placed between the glass sheets, between the edge of the spacer facing outwardly of the insulating glass and the slices of the glass sheets. 2971286 -4
According to another feature, the glazing comprises four spacers described above and four connectors described above, the spacers being connected in pairs by a connector. Other features and advantages of the invention will now be described with reference to the drawings in which: FIG. 1 represents a cross-sectional view of an insulating glazing detail according to the invention when it is not not deformed, with a spacer according to a first embodiment; FIG. 2 represents a cross-sectional view of an insulating glazing detail according to the invention when it is deformed, with a spacer according to a first embodiment; - Figure 3 shows a cross-sectional view of a spacer of an insulating glazing according to the invention according to a second embodiment; FIG. 4 shows a cross-sectional view of a spacer of an insulating glazing unit according to the invention according to a third embodiment. The reference numbers which are identical in the different figures represent identical or similar elements. The invention provides an insulating glazing spacer comprising a longitudinal body provided with two longitudinal sides and two membranes or membrane parts each intended to be secured to a glass sheet of the insulating glazing unit. Each membrane or membrane portion is adapted to be hinged to the body about an axis parallel to the longitudinal axis of the body, between a position in which the membrane or membrane portion is disposed against a longitudinal side of the body and a position in which the membrane or membrane portion is at least partially spaced apart from the longitudinal side of the body. Thus, each membrane or membrane portion forms a hinge relative to the body. When the insulating glazing is deformed under the effect of wind loads or climatic loads, the deformation of the glass sheets is supported by the membranes or membrane parts which form a hinge relative to the body, which allows them to deviate from the body at the same time as the cord of 2971286 -5
butyl which is bonded between each glass sheet and a membrane or portion of membrane to follow the movements of the deformed glass sheets. In this way, the butyl cord is not stressed or has very little stress, which prevents its damage. This advantage is present regardless of the size of the insulating glazing. Thus, the hinge function of the diaphragms or diaphragm parts of the insulating glazing spacer makes it possible not to constrain the dimensioning of the insulating glazing while ensuring resistance to high climatic loads without damaging the butyl bead of the insulating glazing unit. FIGS. 1 and 2 show a cross-sectional view of an insulating glazing detail, respectively when it is not deformed and when it is deformed, with a spacer according to the invention mounted in the insulating glazing unit; . The insulating glazing unit comprises at least two glass sheets 1, 2 between which is disposed a spacer 3 according to the invention. When the insulating glazing comprises more than two sheets of glass, a spacer 3 is disposed between each pair of two sheets of glass. Thus, a triple insulating glazing unit comprises two spacers and a quadruple insulating glazing unit comprises three spacers 3. The spacer 3 according to the invention comprises a rigid body comprising two longitudinal sides 31, 32 intended to be opposite a glass sheet 1, 2 of the insulating glass. The spacer 3 also comprises two membranes 61, 62 which are arranged on the longitudinal sides 31, 32 of the body of the spacer 3. In a variant, the spacer 3 comprises a membrane 6 comprising two parts 61, 62 which are arranged on the longitudinal sides 31, 32 of the body of the spacer 3, as shown in the figures. The membrane 6 then has an additional part 25 which connects the two membrane parts 61, 62. This additional part is glued on the body of the spacer, on the edge of the body of the spacer intended to be oriented outwards. insulating glass, namely on the side of the slices 10, 20 of the glass sheets 1, 2. The two membranes or membrane parts 61, 62 are adapted to form a hinge relative to the body, in particular when the spacer 3 is in place in insulating glass. The membrane or membranes are preferably impervious to gas and water vapor. They have a certain flexibility. The membrane or membranes are metallized 2971286 -6
(eg aluminum or stainless steel) and / or plastic material. The membranes or membrane portions 61, 62 are attached to the longitudinal sides 31, 32 of the body of the spacer 3 near the edge of the spacer body intended to be oriented towards the outside of the insulating glazing unit, namely the side of the slices 10, 20 of the glass sheets 1, 2 and not the inner side of the insulating glass. This makes it possible to better compensate for the wind loads or the climatic loads experienced by the insulating glazing unit comprising the spacer 3, in particular in the event of high heat when the glass sheets 1, 2 expand, as represented in FIG. 2. In order to manufacture an insulating glazing unit, a butyl bead 4, 5 is deposited between each longitudinal side 31, 32 of the spacer 3 and each glass sheet 1, 2. The butyl bead allows the spacer 3 to be secured at one and the same time. to the glass sheets 1, 2 to seal the insulating glass, and to provide a first gas and water vapor barrier. The membranes or membrane portions 61, 62 may not adhere to the longitudinal sides 31, 32 of the body of the spacer 3, except on the line of articulation of the hinge. Preferably, however, the diaphragms or membrane portions 61, 62 adhere very slightly to the longitudinal sides 31, 32 of the spacer body 3 prior to mounting the spacer 3 between two glass sheets. This facilitates the mounting of the insulating glass, in particular the deposition of the butyl bead 4, 5 on the membranes or membrane parts 61, 62 and the application of membranes or membrane parts coated with the butyl bead 4, 5 against the glass sheets 1, 2. This also facilitates the manufacture, storage and transport of the spacers without risk of damage to the membrane which otherwise may tear. Once the insulating glass is produced, the adhesion energy between the butyl bead 4, 5 and each membrane or membrane portion 61, 62 is strictly greater than the energy of adhesion between each membrane or part of the membrane. brane 61, 62 and the longitudinal sides 31, 32 of the body of the spacer 3. Thus preferably, each membrane or portion of membrane 61, 62 adheres very slightly to the longitudinal sides 31, 32 of the body of the spacer 3 thanks to example to polyurethane hot melt ("hotmelt" in English) without primary 2971286 -7
adhesion, or thanks to any other polymer with low adhesion and that does not degass not to pollute the insulating glass interior. Thus, after assembly and at the slightest deformation of the insulating glazing due to wind loads or to climatic loads, the diaphragms or membrane parts 61, 62 disengage from the longitudinal sides 31, 32 of the spacer body. 3 except on the hinge line of the hinge. At the slightest deformation of the insulating glazing, the diaphragms or diaphragm parts 61, 62, being articulated on the longitudinal sides of the body of the spacer 3, thus make it possible to compensate the deformation of the glass sheets 1, 2 by following the movements thus preventing damage to the butyl bead 4, 5. As soon as the spacer is made, if the membranes or parts of the membrane do not adhere at all to the longitudinal sides of the body or to the slightest deformation of the If the membranes or membrane portions adhere very slightly to the longitudinal sides of the body, each membrane or membrane portion 61, 62 is hinged to the body about an axis parallel to the longitudinal axis of the body, forming hinge relative to the body. Each membrane or membrane portion 61, 62 can thus move between a position in which it is disposed against a longitudinal side 31, 32 of the body and a position in which it is at least partially spaced from the longitudinal side 31, 32 of the body. Indeed, in the embodiment of Figure 2, there is always at least one line of contact between the membranes or membrane parts and the longitudinal sides of the body for the joint. The insulating glazing unit also comprises a putty 8 which is placed between the glass sheets 1, 2 of the insulating glazing unit, between the edge of the spacer 3 facing the outside of the insulating glazing unit and the slices 10, 20 of the glass sheets. 1, 2. The sealant 8 makes it possible to produce a second barrier against gas and water vapor. Putty 8 is for example polyurethane, polysulfide or silicone. The body of the spacer 3 is preferably a hollow profile filled with desicant 7 to allow moisture to be absorbed which could be inside the insulating glass. The body of the spacer 3 is preferably metal, for example aluminum or steel, or plastic, or composite material 2971286 -8
such as the material marketed under the trademark LURAN by the company BASF, the composite material being styrene acrylonitrile (SAN) comprising glass fibers. Figures 3 and 4 show a cross-sectional view of a spacer 3 according to other embodiments of the invention. In these embodiments, the membranes or membrane portions 61, 62 are in the form of an accordion or bellows. In the embodiment of FIG. 3, only a portion of the diaphragm or diaphragm portion is in the form of an accordion or bellows, with only one fold. In the embodiment of Figure 4, the diaphragm or portion of the membrane is in the form of an accordion or bellows with several folds. The accordion or bellows shape allows the diaphragm or membrane portion 61, 62 to expand under the effect of a deformation of the insulating glazing, which makes it possible to better match the movements of the expanding glass sheets. as in contraction. This makes it possible to prevent too much stress on the articulation between the membrane and the longitudinal side of the body or between the membrane part and the additional part of the membrane 6, which makes it possible to prevent tearing of the membrane or part of the membrane. Before mounting on an insulating glazing unit, the folds of each membrane or portion of membrane 61, 62 may adhere very slightly to one another so as to facilitate the mounting of the insulating glazing unit. Once the insulating glazing is manufactured, and as soon as the insulating glazing is deformed due to wind loads or to climatic loads, the folds of each membrane or part of the membrane 61, 62 take off from each other except on the lines. of articulation of the folds. Thus, at the slightest deformation of the insulating glass, the folds of the membranes or membrane parts 61, 62 make it possible to compensate for the deformation of the glass sheets 1, 2 by following the movements of the glass sheets and thus to prevent any damage to the cord 4, 5. In the embodiment of FIG. 4, as in the embodiment of FIG. 2, there is always at least one line of contact between the membranes or membrane parts and the longitudinal sides of the body. for 2971286 -9
the joint since the line of contact between the membranes or membrane parts and the body is located at one end of the longitudinal sides of the body. In the embodiment of FIG. 3, the line of contact between the membranes or membrane portions and the body is shifted towards the bottom of the body. When the diaphragms or parts of the membrane deviate from the longitudinal sides of the body, this spacing can be done without there being more point of contact between the diaphragms or parts of the membrane and the longitudinal sides of the body. The invention also relates to a square connector adapted to be disposed in the corner of an insulating glazing between two spacers. The connector comprises a square body provided with two branches connected by a corner. The end of each branch is intended to be inserted into a spacer and each branch and each corner is provided with two longitudinal sides. The connector also comprises two membranes or diaphragm parts each intended to be secured to a glass sheet of the insulating glazing unit. Each membrane or membrane portion is adapted to be articulated on the limbs and the corner around an axis parallel to the longitudinal axis of the limbs and the wedge, between a position in which the membrane or membrane portion is disposed against one side longitudinal direction of the branches and the corner and a position 20 in which the diaphragm or portion of the membrane is spaced apart from the longitudinal side of the branches and the corner. Each membrane or membrane portion is in the form of an accordion or bellows having at least one fold. Each membrane or membrane portion is adapted to form a hinge relative to the bracket body when the connector is mounted in an insulating glass. The square body forms a single hollow section filled with desiccant. The angled body is metal, plastic or composite material such as SAN with glass fibers. The membranes or membrane parts are metallic and / or plastic. The invention also relates to insulating glazing comprising four es-paceurs 3 according to the invention and four connectors according to the invention, the spacers 3 being connected together in pairs by a connector. Thus, the invention, in particular the spacer, makes it possible to manufacture insulating glazing units of all sizes with optimal thermal performance, by means of a 2971286 - 10
example a triple glazing with two blades of gas 19 mm thick and height and width less than 80 cm, without taking risks over their lifetime. In addition, measurements have shown that an insulating glazing unit equipped with spacers according to the invention is more leak-proof (about twice as much) than an insulating glazing unit 5 equipped with spacers without a diaphragm or an articulated membrane part.
REVENDICATIONS1. Insulating glazing spacer (3) comprising a longitudinal body provided with two longitudinal sides (31, 32) and two membranes or membrane parts (61, 62) intended to be each secured to a glass sheet of the insulating glazing, each membrane or a diaphragm portion (61, 62) being adapted to be hinged to the body about an axis parallel to the longitudinal axis of the body, between a position in which the diaphragm or diaphragm portion (61, 62) is rested against a longitudinal side (31, 32) of the body and a position in which the membrane or membrane portion (61, 62) is at least partially spaced from the longitudinal side (31, 32) of the body.
2. Spacer (3) according to claim 1, wherein each membrane or membrane portion (61, 62) has the form of an accordion or bellows having at least one fold.
3. Spacer (3) according to claim 1 or 2, wherein each mem-brane or membrane portion (61, 62) is adapted to form a hinge relative to the body when the spacer is mounted in an insulating glazing unit.
4. Spacer (3) according to one of claims 1 to 3, wherein the body is a hollow profile filled with desiccant (7).
5. Spacer (3) according to one of claims 1 to 4, wherein the body 20 is metal or plastic or composite material.
6. Spacer (3) according to one of claims 1 to 5, wherein the membranes or membrane parts (61, 62) are metallic and / or plastic.
7. Angled connector between two insulating glazing spacers, comprising a square body provided with two branches connected by a corner, the end of each branch being intended to be inserted into a spacer and each branch and each corner being provided with two longitudinal sides, and two membranes or membrane parts each intended to be secured to a glass sheet of the insulating glazing unit, each membrane or part of the membrane being adapted to be articulated on the branches and the corner around it. an axis parallel to the longitudinal axis of the limbs and the wedge, between a position in which the diaphragm or diaphragm portion is disposed against a longitudinal side of the limbs and the wedge and a position in which the diaphragm or part of the mem- brane is at least partially separated from the longitudinal side of the branches and the corner.
8. The connector of claim 7, wherein each membrane or membrane portion is in the form of an accordion or bellows having at least one fold. 10
9. The connector of claim 7 or 8, wherein each membrane or membrane portion is adapted to form a hinge relative to the bracket body when the connector is mounted in an insulating glass.
10. Connector according to one of claims 7 to 9, wherein the bracket body forms a single hollow section filled with desiccant.
11. Connector according to one of claims 7 to 10, wherein the bracket body is metal or plastic or composite material.
12. Connector according to one of claims 7 to 11, wherein the membranes or membrane parts are made of metal and / or plastic.
13. insulating glass comprising: at least two glass sheets (1, 2), at least one spacer (3) according to any one of claims 1 to 6, each membrane or membrane portion (61, 62) being secured to one of the glass sheets of the insulating glazing unit; - a butyl bead (4, 5) between each membrane or membrane part (61, 62) and a glass sheet (1, 2); the adhesion energy between the butyl bead (4, 5) and each membrane or membrane portion (61, 62) being strictly greater than the adhesion energy between each membrane or membrane portion (61, 62) and the longitudinal sides (31, 32) of the spacer body (3). 2971286 -13
An insulating glazing unit according to claim 13, further comprising mastic (8) disposed between the glass sheets (1, 2), between the edge of the spacer (3) facing outwardly of the insulating glazing and the slices (10, 20) glass sheets (1, 2). 5
15. Insulating glazing according to claim 13 or 14, comprising four spacers (3) according to any one of claims 1 to 6 and four connectors according to any one of claims 7 to 12, the spacers (3) being connected two to two by one connector.
FR1150991A 2011-02-08 2011-02-08 Spacer, connector and insulating glazing Withdrawn FR2971286A1 (en)
FR1150991A FR2971286A1 (en) 2011-02-08 2011-02-08 Spacer, connector and insulating glazing
PCT/FR2012/050185 WO2012107664A1 (en) 2011-02-08 2012-01-30 Spacer, connector and insulating glazing
KR1020137020818A KR20140035884A (en) 2011-02-08 2012-01-30 Spacer, connector and insulating glazing
US13/982,660 US20130305656A1 (en) 2011-02-08 2012-01-30 Spacer, connector and insulating glazing unit
CA 2823867 CA2823867A1 (en) 2011-02-08 2012-01-30 Spacer, connector and insulating glazing
CN2012800081120A CN103348082A (en) 2011-02-08 2012-01-30 Spacer, connector and insulating glazing
EP12706644.7A EP2673444A1 (en) 2011-02-08 2012-01-30 Spacer, connector and insulating glazing
JP2013553004A JP2014510008A (en) 2011-02-08 2012-01-30 Spacers, connectors, and insulated glazing units
EA201391141A EA201391141A1 (en) 2011-02-08 2012-01-30 Remote plane, connector and glass package
FR2971286A1 true FR2971286A1 (en) 2012-08-10
ID=44543995
FR1150991A Withdrawn FR2971286A1 (en) 2011-02-08 2011-02-08 Spacer, connector and insulating glazing
US (1) US20130305656A1 (en)
EP (1) EP2673444A1 (en)
JP (1) JP2014510008A (en)
KR (1) KR20140035884A (en)
CN (1) CN103348082A (en)
CA (1) CA2823867A1 (en)
EA (1) EA201391141A1 (en)
FR (1) FR2971286A1 (en)
WO (1) WO2012107664A1 (en)
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2011-02-08 FR FR1150991A patent/FR2971286A1/en not_active Withdrawn
2012-01-30 US US13/982,660 patent/US20130305656A1/en not_active Abandoned
2012-01-30 KR KR1020137020818A patent/KR20140035884A/en not_active Application Discontinuation
2012-01-30 CN CN2012800081120A patent/CN103348082A/en not_active Application Discontinuation
2012-01-30 WO PCT/FR2012/050185 patent/WO2012107664A1/en active Application Filing
2012-01-30 EA EA201391141A patent/EA201391141A1/en unknown
2012-01-30 EP EP12706644.7A patent/EP2673444A1/en not_active Withdrawn
2012-01-30 JP JP2013553004A patent/JP2014510008A/en active Pending
2012-01-30 CA CA 2823867 patent/CA2823867A1/en not_active Abandoned
JP2014510008A (en) 2014-04-24
EP2673444A1 (en) 2013-12-18
EA201391141A1 (en) 2013-12-30
US20130305656A1 (en) 2013-11-21
KR20140035884A (en) 2014-03-24
WO2012107664A1 (en) 2012-08-16
CA2823867A1 (en) 2012-08-16
CN103348082A (en) 2013-10-09
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