Patent Publication Number: US-9902549-B2

Title: Elastic bladder dispenser

Description:
CROSS-REFERENCE TO RELATED APPLICATIONS 
     This application claims priority to U.S. Provisional Application No. 62/088,910, titled “ELASTIC BLADDER DISPENSER” and filed on Dec. 8, 2014, the entire disclosure of which is hereby incorporated by reference. 
    
    
     TECHNICAL FIELD 
     The instant application is directed towards a dispensing system. For example, the instant application is directed towards a bladder for a dispensing system. 
     BACKGROUND 
     Dispensing systems can dispense a sanitizing product to a user. Dispensing systems can be used, for example, in schools, hospitals, nursing homes, factories, restaurants, etc. 
     SUMMARY 
     This summary is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. This summary is not intended to identify key factors or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter. 
     In an example, a dispensing system comprises a dispensing system for dispensing an associated substantially viscous product. The dispensing system comprises a dispensing system housing and a first container. The first container is disposed within the dispensing system housing and has an elastically deformable wall defining a changeable volume for containing the associated product. The elastically deformable wall is expandable between an unexpanded state and an expanded state. The first container comprises an outlet through which the associated product is expelled from. Potential energy stored in the deformable wall in the expanded state is operable to expel the associated product from the first container through the outlet. The dispensing system comprises a selectively engage-able valve operatively fluidly connected to the outlet for controlling the expulsion of a predetermined amount of the associated product from the outlet. The dispensing system comprises an actuator operatively coupled to the valve to selectively engage the valve. 
     In another example, a dispensing system comprises a dispensing system for dispensing an associated substantially viscous product. The dispensing system comprises a dispensing system housing and a first container. The first container is supported by the dispensing system housing. The first container has a deformable body defining a changeable volume for containing the associated product. The first container comprises an outlet through which the associated product is expelled from. The deformable body is expandable between an unexpanded state and an expanded state. A second container is supported by the dispensing system housing. The second container is pressurize-able. The first container is disposed at least partially within the second container. A pump has a pump inlet and a pump outlet. The pump inlet is operatively connected to the outlet. The pump is configured to receive the associated product that is expelled from the outlet of the first container through the pump inlet. The associated product exits the pump through the pump outlet. The pump comprises a second pump outlet. The second pump outlet is operatively connected to the second container for use in pressurizing the second container when the pump is actuated. 
     The following description and annexed drawings set forth certain illustrative aspects and implementations. These are indicative of but a few of the various ways in which one or more aspects can be employed. Other aspects, advantages, and/or novel features of the disclosure will become apparent from the following detailed description when considered in conjunction with the annexed drawings. 
    
    
     
       DESCRIPTION OF THE DRAWINGS 
         FIG. 1  is an illustration of an example dispensing system; 
         FIG. 2  is an illustration of an example dispensing system; 
         FIG. 3  is an illustration of an example dispensing system; 
         FIG. 4 a    is an illustration of an example dispensing system; 
         FIG. 4 b    is an illustration of an example dispensing system; 
         FIG. 5  is an illustration of an example dispensing system; 
         FIG. 6  is an illustration of an example dispensing system; 
         FIG. 7  is an illustration of an example dispensing system; 
         FIG. 8  is an illustration of an example dispensing system; and 
         FIG. 9  is an illustration of an example dispensing system. 
     
    
    
     DETAILED DESCRIPTION 
     The claimed subject matter is now described with reference to the drawings, wherein like reference numerals are used to refer to like elements throughout. In the following description, for purposes of explanation, numerous specific details are set forth in order to provide an understanding of the claimed subject matter. It is evident, however, that the claimed subject matter can be practiced without these specific details. In other instances, structures and devices are illustrated in block diagram form in order to facilitate describing the claimed subject matter. Relative size, orientation, etc. of parts, components, etc. may differ from that which is illustrated while not falling outside of the scope of the claimed subject matter. 
     A dispensing system is provided for dispensing a substantially viscous product that tends to not self-settle by gravity. The product is stored within a first container. The product comprises, for example, soaps, cleaners, disinfectants, sanitizers, antiseptics, moisturizers, alcohol-infused liquids, or the like. Due to the product having a relatively high viscosity (e.g., between about 10,000 centipoise to about 50,000 centipoise), a pump may be provided to assist in expelling the product from the dispensing system. For example, the pump can pressurize a chamber around the first container, with this pressurization facilitating expulsion of the product from the container. 
     Turning to  FIG. 1 , an example dispensing system  100  is illustrated. The dispensing system  100  can be used for storing and/or dispensing an associated substantially viscous product. By being an associated substantially viscous product, the product may be stored partially and/or completely within the dispensing system  100 . The dispensing system  100  can be attached, for example, to a surface, such as a surface of a wall, ceiling, door, object, support structure, etc. The dispensing system  100  can be used in a number of environments, including prisons, jails, detention centers, mental health facilities, hospitals, mental hospitals, rehabilitation facilities, nursing homes, restaurants, schools, factories, warehouses, etc. 
     The dispensing system  100  comprises a dispensing system housing  101 . The dispensing system housing  101  comprises an enclosure, case, cover, or other similar structure for storing one or more structures therein. The dispensing system housing  101  may comprises a rigid and/or durable structure or material that is substantially resistant to tampering and/or inadvertent access. The dispensing system housing  101  can be attached to a surface, such as a surface of a wall, ceiling, door, object, support structure, etc. 
     The dispensing system  100  comprises a second container  102  that envelopes a first container  110  and is disposed within the dispensing system housing  101 . The second container  102  comprises a container, enclosure, etc. within which portions of the dispensing system  100  may be housed. In some examples, the second container  102  is substantially hollow so as to receive structures therein. In the illustrated example, the second container  102  comprises a rigid and/or durable structure or material, such as a plastic material, a metal material, or the like. 
     The second container  102  defines a first chamber  104  that is at a first chamber pressure. In some examples, the first chamber  104  can be at a higher pressure than standard atmosphere, lower than standard atmosphere, or substantially equal to standard atmosphere. According to some examples, the second container  102  is sealed, such that inadvertent ingress or egress of air into and/or out of the first chamber  104  is limited. In an example, the second container  102  can define an opening  106  at which a pump  122  may be attached to the second container  102 , such as by a gasket, O-ring, adhesive, or the like, to establish a substantially sealed or airtight relationship between the second container  102  and the pump  122 . As will be appreciated (e.g.,  FIGS. 2 and 3 ), a pressurization material (e.g., air, gas, fluid, etc.) can flow into the first chamber  104  from a pressurization chamber  132  defined by the pump  122 . In an example, the pressurization material flows into the first chamber  104  depending upon respective states (e.g., opened position, closed position, etc.) of one or more valves of the pump  122 , where the respective states are, for example, a function of relative movement between a portion of the pump  122  and the second container  102  (e.g., a valve may open such that air may flow from the pressurization chamber  132  into the first chamber  104  when a user pushes up on a portion of the pump forcing the portion of the pump towards the second container thereby decreasing a volume of the pressurization chamber  132 ). The second container  102  is thus pressurize-able in some embodiments, where a pressure within the second container, when sufficient, facilitates an expulsion of associated product from the first container  110 . 
     The dispensing system  100  comprises the first container  110  disposed within the dispensing system housing  101  and within the second container  102 . The first container  110  comprises an inner container, enclosure, etc. within the second container  102 . For example, the first container  110  can be deformable and positioned within the first chamber  104 . By being deformable, it is understood that the first container  110  may comprise an elastomeric material, similar to a balloon or the like. In other examples, the first container  110  comprises a flexible bag or the like. The first container  110  comprises rubber, latex, polychloroprene, nylon fabrics, or other similar materials that have at least some degree of flexibility, expandable, compressible, elasticity, etc. 
     In an example, at least some of the first container  110  does not comprise the elastomeric material but is instead rigid or substantially rigid. For example, the first container  110  may comprise a rigid or substantially rigid first portion (e.g., piston head) nested into a rigid or substantially rigid second portion (e.g., piston bore), with the first portion and the second portion movable relative to one other (e.g., the piston head may move up and down, side to side, etc. within the piston bore). In such an example, even though the first portion and the second portion may be rigid or substantially rigid, the first container  110  may nevertheless be regarded as being deformable (e.g., because of the relative movement between the first portion and the second portion). In an example, the first container  110  may comprise both the elastomeric material and a rigid or stiff material. For example, the elastomeric material may bias a portion of the first container  110  to a particular state (e.g., the elastomeric material may pull a piston head back up after the piston head has been depressed into a piston bore (e.g., to dispense product)). 
     The first container  110  has an elastically deformable wall  114  that defines a changeable volume  116  for containing an associated substantially viscous product  120  (hereinafter “product”). As will be described, the elastically deformable wall  114  is expandable between an unexpanded state and an expanded state. As the elastically deformable wall  114  moves from the expanded state to the unexpanded state, the changeable volume  116  decreases, such that the product  120  can be dispensed. 
     The first container  110  can contain and dispense the product  120 . In an example, the product  120  comprises a relatively high viscous product that tends to not self-settle by gravity. The product  120  comprises, for example, soaps, cleaners, disinfectants, sanitizers, antiseptics, moisturizers, alcohol-infused liquids, or the like. In other examples, the product  120  comprises non-cleaning liquid or semi-liquid products. In an example, the product  120  may have a viscosity of between about 10,000 centipoise to about 50,000 centipoise. 
     The dispensing system  100  comprises a pump  122 . The pump  122  is in fluid communication with the first chamber  104 . In some examples, the pump  122  can be attached to the second container  102 , such as by being positioned adjacent or within the opening  106 . In other examples, the pump  122  could be spaced away from the second container  102 , and may be in fluid communication with the opening  106  through a tube, conduit, or the like. 
     The pump  122  has a dispensing structure  123  that defines a first pump inlet  124  and a first pump outlet  125 . The first pump inlet  124  is operatively connected to an outlet  127  of the first container  110 . The pump  122  is configured to receive the product  120  that is expelled from the outlet  127  of the first container  110  through the first pump inlet  124 . The product  120  can exit the pump  122  through the first pump outlet  125 . 
     In an example, the first pump inlet  124  of the pump  122  can be in fluid communication with the first container  110  such that the pump  122  is in fluid communication with the product  120  within the first container  110 . For example, the dispensing structure  123  of the pump  122  can be attached at an end (e.g., at an upper end of the dispensing structure  123 ) to the first container  110  (e.g., at a lower end of the first container  110 ). The dispensing structure  123  can extend outwardly from the first container  110  towards an opposing end (e.g., lower end of the dispensing structure  123 ), such that the product  120  can be dispensed through the dispensing structure  123 . 
     The dispensing structure comprises a movable shaft  128 . The movable shaft  128  can extend between the first pump inlet  124  and the first pump outlet  125 . In an example, the movable shaft  128  is capable of movement, such as in response to an upwards force (e.g., as indicated by arrow A). The movable shaft  128  is substantially hollow, such that the product  120  can flow through the movable shaft  128  when the product  120  flows from the first pump inlet  124  to the first pump outlet  125 . 
     In an example, the movable shaft  128  can receive an inner shaft  180 . For example, the movable shaft  128  may be substantially hollow such that the inner shaft  180  can extend through a center of the movable shaft  128 . In an example, the inner shaft  180  has a length that is larger than a length of the movable shaft  128 . The inner shaft  180  comprises an engagement portion  182  located at an end (e.g., at a lower end) of the inner shaft  180 . In this example, the engagement portion  182  has a varying cross-sectional size that increases in a direction away from the first container  110  towards the lower end of the inner shaft  180 . In the illustrated example, the engagement portion  182  has an inverted Y-shape, an inverted U-shape, or the like. 
     The movable shaft  128  comprises a sealing portion  184  located at an end (e.g., at a lower end) of the movable shaft  128 . In this example, the sealing portion  184  has a cross-sectional size that is similar to a cross-sectional size of the engagement portion  182 , such that the sealing portion  184  can contact and/or engage the engagement portion  182 . For example, the sealing portion  184  of the movable shaft  128  can circumferentially surround the engagement portion  182  of the inner shaft  180 , with the engagement portion  182  contacting the sealing portion  184 . When the engagement portion  182  and the sealing portion  184  are in contact, a seal may be formed between the engagement portion  182  and the sealing portion  184 , such that the product  120  is substantially limited from bypassing between the engagement portion  182  and the sealing portion  184 . 
     A biasing device  186  (e.g., a spring) can be provided in contact with the movable shaft  128 . In this example, the biasing device  186  is positioned adjacent to an end (e.g., at an upper end) of the movable shaft  128 . In some examples, the biasing device comprises a spring. The biasing device  186  can bias the movable shaft  128  downwardly, such that the sealing portion  184  contacts the engagement portion  182  of the inner shaft  180 . However, in response to upward force (e.g., as indicated by arrow A), the movable shaft  128  can be moved upwardly such that the sealing portion  184  does not contact the engagement portion  182 . 
     A ball valve  188  can be positioned towards an upper end of the movable shaft  128 . The ball valve  188  can be in contact with a valve seat  190  that is located within the dispensing structure  123 . In an example, when the ball valve  188  is in contact with the valve seat  190 , the ball valve  188  can selectively block, obstruct, etc. the first pump inlet  124  of the dispensing structure  123 . As such, when the ball valve  188  is in contact with the valve seat  190 , the product  120  is substantially limited from bypassing between the ball valve  188  and the valve seat  190 . In this example, the ball valve  188  can rest upon a support device  192 . The support device  192  can be biased, such as by the biasing device  186 , to support the ball valve  188  in contact with the valve seat  190 . As will be described further below, the biasing force of the biasing device  186  can be overcome, such as during a downward stroke or movement of the movable shaft  128 , so that the support device  192  moves downward and the ball valve  188  is not in contact with the valve seat  190 , thereby allowing the product  120  to pass between the ball valve  188  and the valve seat  190 . 
     As will be described in more detail below, in an example, a portion of the pump  122  (e.g., second pressurization sidewall  150 ) may be movable relative to the second container  102 . For example, the second pressurization sidewall  150  can be moved upwardly with respect to the second container  102  (e.g., as indicated by arrow A) and/or the second container  102  can be moved downwardly (e.g., as indicated by arrow B) relative to the second pressurization sidewall  150 . 
     Movement (e.g., as indicated by arrows A and/or B) can pressurize the first chamber  104  to a second chamber pressure that is greater than the first chamber pressure. As will be described in more detail below, a position of the pump  122  relative to the second container  102  is movable between a first position (e.g., as illustrated in  FIG. 1 ), in which the first chamber  104  is at the first chamber pressure, and a second position. 
     The pump  122  comprises one or more pressurization sidewalls  130 ,  150 . In an example, the pump  122  comprises a first pressurization sidewall  130  and a second pressurization sidewall  150 . The first pressurization sidewall  130  and the second pressurization sidewall  150  are movable with respect to each other. The pump  122  comprises a pressurization chamber  132  that is defined by the pressurization sidewalls  130 ,  150 . The pressurization chamber  132  is a substantially hollow chamber that is maintained at a pressure. A pressurization material (e.g., air, gas, fluid, etc.) can flow into and out of the pressurization chamber  132 . 
     The pressurization sidewalls  130  comprise a third pressurization sidewall  134  that defines a second pump outlet  136 . In this example, the third pressurization sidewall  134  borders and/or is adjacent the first chamber  104  of the second container  102 . As such, the first chamber  104  is located on one side (e.g., upper side) of the third pressurization sidewall  134  while the pressurization chamber  132  is located on an opposite side (e.g., lower side) of the third pressurization sidewall  134 . In some examples, the first pressurization sidewall  130  and the third pressurization sidewall  134  are a one-piece structure (e.g., together comprising a single sidewall) while in other examples, the first pressurization sidewall  130  and the third pressurization sidewall  134  can be separately attached and sealed together. 
     The pump  122  comprises a first valve  138  (e.g., illustrated schematically as the first valve  138  comprises a number of different valve configurations) positioned within the second pump outlet  136 . The first valve  138  comprises any number of valves, such as check valves, one way valves, or the like. In an example, the first valve  138  is movable between an opened position (e.g., illustrated in  FIG. 2 ), in which the pressurization material flows from the pressurization chamber  132 , through the second pump outlet  136 , and into the first chamber  104 , and a closed position (e.g., illustrated in  FIG. 1 ), in which the pressurization material does not flow through the second pump outlet  136 . In some examples, the first valve  138  can be biased towards the closed position, such that the pressurization material may not flow through the second pump outlet  136 . However, in response to a pressure, such as an increased pressure within the pressurization chamber  132 , the first valve  138  can move to the opened position, such that the pressurization material can flow therethrough. 
     The second pressurization sidewall  150  defines a second pump inlet  152 . In this example, the second pressurization sidewall  150  and the third pressurization sidewall  134  are spaced apart, such that the third pressurization sidewall  134  and the second pressurization sidewall  150  can together, at least in part, define the pressurization chamber  132  between them. The second pressurization sidewall  150  is located adjacent the pressurization chamber  132  on one side (e.g., upper side) and adjacent an exterior environment on an opposite side (e.g., lower side). 
     The pump  122  comprises a second valve  154  positioned within the second pump inlet  152 . The second valve  154  comprises any number of valves, such as check valves, one way valves, or the like. In an example, the second valve  154  is movable between an opened position (illustrated in  FIG. 4 a   ), in which the pressurization material flows from the exterior environment, through the second pump inlet  152 , and into the pressurization chamber  132 , and a closed position (illustrated in  FIG. 1 ), in which the pressurization material does not flow through the second pump inlet  152 . In some examples, the second valve  154  can be biased towards the closed position, such that the pressurization material may not flow through the second pump inlet  152 . However, in response to a pressure, such as a decreased pressure within the pressurization chamber  132 , the second valve  154  can move to the opened position, such that the pressurization material can flow therethrough and pressurize the pressurization chamber  132 . 
     The second pressurization sidewall  150  can be sealed with respect to the first pressurization sidewall  130  so as to limit unintended ingress and egress of the pressurization material into and out of the pressurization chamber  132 . In an example, an internal area defined by the second pressurization sidewall  150  has a smaller cross-sectional size (e.g., diameter) than a cross-sectional size of an internal area defined by the first pressurization sidewall  130 . As such, the second pressurization sidewall  150  can be positioned radially adjacent an inner side of the first pressurization sidewall  130 . In such an example, an outer radial side of the second pressurization sidewall  150  can be sealed with respect to an inner radial side of the first pressurization sidewall  130 . Accordingly, due to this seal, movement of the second pressurization sidewall  150  with respect to the first pressurization sidewall  130  can limit the pressurization material from flowing between the first pressurization sidewall  130  and the second pressurization sidewall  150  either into or out of the pressurization chamber  132 . 
     It will be appreciated that the pump  122  is illustrated schematically, as the pump  122  comprises any number of structures, configurations, sizes, shapes, methods of operation, etc. Indeed,  FIG. 1  illustrates merely one example of the pump  122 , as other types of pumps  122  are envisioned. The pump  122  can function to selectively pressurize the first chamber  104  of the second container  102 . Accordingly, the pump  122  illustrated in  FIG. 1  need not be construed as a limitation on the dispensing system  100 . 
     In operation, a user can move a portion of the pump  122  (e.g., the second pressurization sidewall  150 ) with respect to the second container  102  (e.g., as indicated by arrow A) and/or the second container  102  with respect to the pump  122  (e.g., as indicated by arrow B). 
     Turning now to  FIG. 2 , the dispensing system  100  is illustrated as the second pressurization sidewall  150  of the pump  122  is moved with respect to the first pressurization sidewall  130 . In this example, the second pressurization sidewall  150  is movable (e.g., as indicated by arrow A) in an upward direction from the first position to a second position. In addition or in the alternative, the second container  102  may be movable (e.g., as indicated by arrow B) in a downward direction relative to the second pressurization sidewall  150 . In the second position, the second pressurization sidewall  150  may be in closer proximity to the third pressurization sidewall  134  than in the first position. Additionally, as the second pressurization sidewall  150  is moved (e.g., as indicated by arrow A) and/or the second container  102  is moved (e.g., as indicated by arrow B), the movable shaft  128  can likewise be moved upwardly relative to the second pressurization sidewall  150  (e.g., as indicated by arrow A) against the biasing device  186  (e.g., compressing the spring) forcing the ball valve  188  into contact with the valve seat  190 . As the movable shaft  128  is moved upwardly, the sealing portion  184  of the movable shaft  128  moves out of contact with the engagement portion  182  of the inner shaft  180  such that a gap, space, opening, channel, or the like is temporarily created between the engagement portion  182  of the inner shaft  180  and the sealing portion  184  of the movable shaft  128 . 
     In this example, the second pressurization sidewall  150  of the pump  122  is moved with respect to the first pressurization sidewall  130  to a second position (e.g., by moving the second pressurization sidewall  150  upwardly as indicated by arrow A and/or by moving the second container  102  downwardly as indicated by arrow B). In the second position, the pump  122  pressurizes the first chamber  104  to a second chamber pressure that is greater than the first chamber pressure (e.g., pressurization material (e.g., air) flows from the pressurization chamber  132  to the first chamber  104  as indicated by arrow D). In this example, due to the second pressurization sidewall  150  moving upwardly towards the third pressurization sidewall  134 , the volume of the pressurization chamber  132  is reduced. As such, the pressurization material within the pressurization chamber  132  can cause the first valve  138  to move from the closed position (illustrated in  FIG. 1 ) to the opened position (illustrated in  FIG. 2 ). In this example, the second valve  154  may remain in the closed position. Accordingly, this pressurization material flow (e.g., as indicated by arrow D) can pressurize the first chamber  104  to the second chamber pressure that is greater than the first chamber pressure. 
     Turning now to  FIG. 3 , the pressurization of the first chamber  104  to the second chamber pressure can cause the first container  110  to deform, such that the product  120  is dispensed from the first container  110 . For example, the elastically deformable wall  114  of the first container  110  is compressible from the expanded state (e.g., as illustrated in  FIGS. 1 and 2 ) to the unexpanded state (e.g., as illustrated in  FIG. 3 ). For example, due to the first container  110  being deformable (e.g., elastomeric material, nesting and/or movable portions of first container  110 , etc.), a pressure (e.g., as indicated by arrow E) of the second chamber pressure can act on the first container  110  thus causing the first container  110  to deform. In this example, the first valve  138  can remain in the opened position as the pump  122  further moves from the first position to the second position. 
     It will be appreciated that the pressure (e.g., as indicated by arrow E) may be substantially uniform on the outer surface of the first container  110 . Furthermore, the deformation of the first container  110  is likewise illustrated schematically, in that the first container  110  in  FIG. 3  has a reduced volume as compared to the first container  110  illustrated in  FIGS. 1 and 2 . In operation, however, deformation of the first container  110  may or may not be uniform, such that certain portions of the first container  110  may deform to a greater or lesser degree than other portions of the first container  110 . However, the deformation of the first container  110  can cause a reduction in volume within the first container  110  such that the product  120  may be dispensed from the first container  110  through the outlet  127 . 
     Accordingly, in response to the deformation of the first container  110 , the product  120  can be at least partially dispensed from the first container  110 . In such an example, the product  120  can exit the first container  110  (e.g., as indicated by arrow F) and enter the first pump inlet  124  of the dispensing structure  123 . The product  120  flowing (e.g., as indicated by arrow F) toward the dispensing structure  123  can contact the ball valve  188  and the valve seat  190 . Due to the ball valve  188  and the valve seat  190  being in contact and forming a seal, the product  120  is substantially limited from flowing past the ball valve  188  and the valve seat  190 . 
     Turning now to  FIG. 4 a   , the first valve  138  can move to the closed position when the second pressurization sidewall  150  of the pump  122  is moved with respect to the first pressurization sidewall  130  from a second position to a first position. For example, the second pressurization sidewall  150  can move downwardly with respect to the first pressurization sidewall  130  (e.g., as indicated by arrow H) and/or the first pressurization sidewall  130  can move upwardly with respect to the second pressurization sidewall  150  (e.g., as indicated by arrow I). 
     In response to this movement (e.g., as indicated by arrow H and/or arrow I), the second valve  154  can move from the closed position (illustrated in  FIGS. 1 to 3 ) to an opened position (illustrated in  FIG. 4 a   ). With the second valve  154  in the opened position, the pressurization chamber  132  can be pressurized with pressurization material (e.g., air) flowing through the second pump inlet  152  and into the pressurization chamber  132  (e.g., as indicated by arrow J). This pressurization allows for the pressurization material to subsequently flow through the second pump outlet  136  when the first valve  138  is opened. 
     Additionally, as the second pressurization sidewall  150  moves in a direction away from the first pressurization sidewall  130  (e.g., as indicated by arrow H and/or arrow I), a vacuum or reduced pressure is formed in the dispensing structure  123 . For example, the movable shaft  128  can move in a downward direction as the second pressurization sidewall  150  moves downwardly. This downward movement of the movable shaft  128  can also cause the ball valve  188  to move downwardly and out of contact with the valve seat  190  (e.g., by decompressing the spring), such that a gap, space, opening, etc. may be formed between the ball valve  188  and the valve seat  190 . The product  120  can therefore flow through and/or be drawn into this gap, space, opening, etc. between the ball valve  188  and the valve seat  190 . This downward movement of the movable shaft  128  can form a vacuum or reduced pressure within the movable shaft  128 , thus further drawing the product  120  through the movable shaft  128  towards the first pump outlet  125 . Accordingly, the simultaneous actions of pressurizing the first chamber  104  and drawing the movable shaft  128  downwardly can cause the product  120  to be expelled from the first container  110  and into the dispensing structure  123 . 
     Turning now to  FIG. 4 b   , the second pressurization sidewall  150  can again be moved from the first position to the second position (e.g., in response to movement as indicated by arrow A and/or arrow B). In this example, the movable shaft  128  can be moved upwardly. As the movable shaft  128  moves upwardly, the sealing portion  184  of the movable shaft  128  separates from and moves out of contact with the engagement portion  182 . As such, a gap, space, opening, etc. is formed between the sealing portion  184  of the movable shaft  128  and the engagement portion  182  of the inner shaft  180 . The product  120  that is within the dispensing structure  123  can therefore be expelled through the first pump outlet  125  (e.g., as indicated by arrow G). Additionally, as the movable shaft  128  moves upwardly, the ball valve  188  moves into contact with and/or seals with the valve seat  190  (e.g., due to the spring being compressed and/or forced upwardly). Due to the ball valve  188  sealing with the valve seat  190 , the product  120  within the dispensing structure  123  is substantially limited from moving upwardly and back into the first container  110 . 
     Turning now to  FIG. 5 , a second example dispensing system  500  is illustrated. The second dispensing system  500  is similar in some respects to the dispensing system  100  illustrated and described with respect to  FIGS. 1 to 4 . For example, the second dispensing system  500  comprises the second container  102  defining the first chamber  104 , the first container  110  containing the product  120 , etc. 
     In this example, the second dispensing system  500  comprises a pump  501 . The pump  501  is illustrated schematically as the pump  501  comprises any number of structures, constructions, configurations, locations, etc. For example, while the pump  501  is illustrated adjacent a bottom wall of the second container  102 , in other examples, the second container  102  could be located adjacent a side wall, top wall, or other wall of the second container  102 . In further examples, the pump  501  can be positioned a distance away (e.g., remote from) and separated from the second container  102 . As such, the location of the pump  501  in  FIG. 5  is merely intended to illustrate a possible location, as other locations are envisioned. 
     The pump  501  in this example comprises a pressure vessel. For example, the pump  501  may comprise an air tank, air canister, compressed air storage device, or the like. Indeed, the pump  501  comprises any number of structures that can store gas and/or air at a pressure that is different (e.g., greater) than ambient pressure. The pump  501  comprises any number of sizes, and may be larger or smaller than as illustrated. 
     The pump  501  is in fluid communication with an opening  502  that is defined within the second container  102 . As such, the pump  501  is in fluid communication with the first chamber  104 . The pump  501  can be in fluid communication with the opening  502  in any number of ways. In some examples, the pump  501  can be attached directly to the second container  102  such that the pump  501  may partially or completely extend through the opening  502 . In other examples, such as in the example illustrated, the pump  501  can be provided with hoses, tubes, conduits, or the like that attach the pump  501  to the opening  502 . 
     The pump  501  comprises a first valve  504 . In this example, the first valve  504  is positioned adjacent the opening  502 . The first valve  504  is movable between a closed position (as illustrated in  FIG. 5 ) and an opened position (as illustrated in  FIG. 6 ). When the first valve  504  is in the closed position, pressurization material is substantially limited from flowing through the opening  502 . When the first valve  504  is in the opened position, pressurization material can flow through the opening  502 . Pressurization material can flow from the pump  501 , through the opening  502  (when the first valve  504  is in the opened position) and into the first chamber  104 . 
     The dispensing system  500  comprises a dispensing structure  506 . The dispensing structure  506  is disposed within a first container opening  508  defined by the second container  102 . In an example, the dispensing structure  506  comprises a tube, nozzle, hose, conduit, or the like through which the product  120  can flow. The dispensing structure  506  can be attached at an end (e.g., at a top end) to the first container  110  such that the dispensing structure  506  is in fluid communication with the first container  110 . An opposing end (e.g., a lower end) of the dispensing structure  506  can extend outwardly through the first container opening  508 . 
     The dispensing structure  506  comprises a second valve  510 . In this example, the second valve  510  is positioned in proximity to the first container opening  508 , such as by being positioned within the dispensing structure  506 . The second valve  510  is movable between a closed position (as illustrated in  FIG. 5 ) and an opened position (as illustrated in  FIG. 6 ). When the second valve  510  is in the closed position, the product  120  is substantially limited from flowing through the dispensing structure  506 . When the second valve  510  is in the opened position, the product  120  can flow from the first container  110  and through the dispensing structure  506 . 
     Turning to  FIG. 6 , an example operation of the second dispensing system  500  is illustrated. The pump  501  can pressurize (e.g., as indicated by arrow K) the first chamber  104  to a second chamber pressure that is greater than the first chamber pressure. As such, the first container  110  can deform in response to this second chamber pressure and the product  120  may be dispensed from the first container  110 . In this example, the pump  501  can pressurize (e.g., as indicated by arrow K) the first chamber  104  by delivering pressurization material to the second container  102 . For example, pressurization material (e.g., air or gas) can flow from the pump  501  and through the opening  502 . This pressurization material flow can cause the first valve  504  to move from the closed position to the opened position, thus allowing for the pump  501  to pressurize (e.g., as indicated by arrow K) the first chamber  104 . 
     As the first chamber  104  is pressurized (e.g., as indicated by arrow K), the first container  110  deforms in response to the second chamber pressure and the product  120  is dispensed from the first container  110 . In this example, the first valve  504  can remain in the opened position as the pump  501  pressurizes (e.g., as indicated by arrow K) the second container  102 . 
     The first container  110  can deform in response to the second chamber pressure. For example, due to the first container  110  being deformable (e.g., elastomeric material, nesting and/or movable portions of first container  110 , etc.), a pressure (e.g., as indicated by arrow L) can act on walls of the first container  110  thus causing the first container  110  to deform. 
     It will be appreciated that the pressure (e.g., as indicated by arrow L) may be substantially uniform on the outer surface of the first container  110 . In response to the deformation of the first container  110 , the product  120  can be dispensed from the first container  110 . In such an example, the product  120  can exit the first container  110  and flow (e.g., as indicated by arrow M) through the dispensing structure  506 . The product  120  flowing (e.g., as indicated by arrow M) can cause the second valve  510  to move from the closed position to the opened position. As such, the product  120  can flow through the dispensing structure  506  and exit a bottom end the dispensing structure  506 . 
     Turning to  FIG. 7 , a third example dispensing system  700  is illustrated. The third dispensing system  700  is similar in some respects to the dispensing system  100  illustrated and described with respect to  FIGS. 1 to 4  and the dispensing system  500  illustrated and described with respect to  FIGS. 5 and 6 . For example, the third dispensing system  700  comprises the dispensing system housing  101 . 
     The third dispensing system  700  comprises a first container  702 . The first container  702  is disposed within the dispensing system housing  101 . The first container  702  comprises an inner container, enclosure, etc. within the dispensing system housing  101 . In an example, the first container  702  can be deformable. By being deformable, it is understood that the first container  702  may comprise an elastomeric material, similar to a balloon, a bladder, or the like. The first container  702  can contain and dispense the product  120 . 
     The first container  702  is expandable between an expanded state (e.g., as illustrated in  FIGS. 7 and 8 ) and an unexpanded state (e.g., as illustrated in  FIG. 9 ). In an example, the first container  702  has a tendency, propensity, inclination, etc. to remain in the unexpanded state. When the first container  702  is stretched and/or expanded to the expanded state, the first container  702  can exert pressure on the product  120  stored within the first container  702 . This pressure can cause the product  120  to be expelled from the first container  702  through an outlet  704 . The first container  702  comprises rubber, latex, polychloroprene, nylon fabrics, or other similar materials that have at least some degree of flexibility, expandable, compressible, elasticity, etc. 
     The first container  702  has an elastically deformable wall  706  that defines a changeable volume  708  for containing the product  120 . The elastically deformable wall  706  is expandable between the unexpanded state and the expanded state. As the elastically deformable wall  706  moves from the expanded state to the unexpanded state, the changeable volume  708  decreases, such that the product  120  can be dispensed. 
     The third dispensing system  700  comprises a valve  720 . The valve  720  is in fluid communication with the first container  702 . The valve  720  is selectively engage-able and defines a fixed volumetric region  722  from which a predetermined amount  800  (e.g., illustrated in  FIG. 8 ) of the product  120  can be expelled. The valve  720  comprises a cylinder  724  that defines the fixed volumetric region  722  within the cylinder  724 . The cylinder  724  can have a circular cross-sectional shape, a quadrilateral cross-sectional shape (e.g., square, rectangular, etc.), an oval cross-sectional shape, or the like. 
     The cylinder  724  defines a valve inlet  728  and a valve outlet  730 . The valve inlet  728  is in fluid communication with the first container  702  through the outlet  704 . In such an example, the outlet  704  of the first container  702  is in fluid communication with the valve inlet  728  of the valve  720 . As such, the product  120  can be selectively expelled from the first container  702 , through the outlet  704 , through the valve inlet  728  and into the fixed volumetric region  722  of the valve  720 . The valve inlet  728  and the outlet  704  can be in fluid communication in any number of ways, such as by being directly attached, and/or by being attached with a tube, hose, conduit, etc. In the illustrated example, the valve inlet  728  is positioned at an upper surface of the cylinder  724  while the valve outlet  730  is positioned at a lower surface of the cylinder  724 . Such positions are not intended to be limiting, however, and in other examples, the valve inlet  728  and/or the valve outlet  730  could be positioned along lateral surfaces (e.g., vertically extending) of the cylinder  724 , along end surfaces, etc. 
     The valve  720  is illustrated with the cylinder  724  extending along a horizontal axis, such that the valve  720  has a substantially horizontal orientation. Such an orientation is not intended to be limiting, however, and in other examples, the valve  720  could have a substantially vertical orientation. In such an example, the valve inlet  728  could again be positioned at an upper surface of the cylinder  724  while the valve outlet  730  is positioned at the lower surface of the cylinder  724 . In such an example, a displacement member (e.g., displacement member  736 ) could move up and down (e.g., vertically on the page). 
     The valve  720  further comprises a displacement member  736 . The displacement member  736  is positioned within the cylinder  724 . The displacement member  736  comprises a pump, piston, or the like. The displacement member  736  is movable within the cylinder  724 , such that the displacement member  736  can move and expel the product  120  from the fixed volumetric region  722  through the valve outlet  730 . In an example, the displacement member  736  has a cross-sectional size that is similar to a cross-sectional size of the fixed volumetric region  722  of the cylinder  724 . As such, outer radial edges of the displacement member  736  are adjacent to and/or in contact with an inner radial surface of the cylinder  724 . In some examples, the displacement member  736  can form a seal with the cylinder  724 . The displacement member  736  can be moved between a first position (e.g., illustrated in  FIG. 7  with solid lines) and a second position (e.g., illustrated in  FIG. 7  with dashed lanes). 
     An actuator  740  is operatively coupled to the valve  720  to selectively engage the valve  720 . In this example, the actuator  740  extends through an actuator opening  742  in the cylinder  724 , with the actuator  740  attached to the displacement member  736 . The actuator  740  selectively engages the valve by moving the displacement member  736  between a first position and a second position. The actuator  740  can move the displacement member  736  in any number of ways. In some examples, the actuator  740  can be selectively moved in response to a mechanical force, an electromagnetic force, an electrical force, or the like. 
     Turning to  FIG. 8 , the displacement member  736  may initially be moved to and/or placed in the first position. In the first position, the displacement member  736  is located at an opposite end of the cylinder  724  from the valve outlet  730 , with the valve inlet  728  located in closer proximity to the valve outlet  730  than the displacement member  736 . With the displacement member  736  in the first position, the displacement member  736  does not block the valve inlet  728 . As such, the product  120  can be expelled from the first container  702 , through the outlet  704 , and through the valve inlet  728  into the fixed volumetric region  722 . 
     The product  120  can be expelled from the first container  702  in response to pressure (e.g., as indicated by arrows N) exerted on the product  120  by the elastically deformable wall  706 . In this example, the elastically deformable wall  706  stores potential energy in the expanded state (e.g., when the first container  702  is filled with the product  120  and expanded). The elastically deformable wall  706  can therefore exert pressure (e.g., as indicated by arrows N) on the product  120 , thus causing some of the product  120  to be expelled from the first container  702  and through the outlet  704 . 
     A predetermined amount  800  of the product  120  can flow into the fixed volumetric region  722  of the valve  720  when the displacement member  736  is in the first position. In one possible example, the predetermined amount  800  can correspond to a single dosage of the product  120  for distribution to a user. In an example, the predetermined amount  800  can correspond to a volume of the cylinder  724 , which is a length (L) of the cylinder  724  (e.g., from the valve outlet  730  to the displacement member  736  in the first position) multiplied by a cross-sectional area of the cylinder (e.g., π*r 2 ), which may be pi times a radius of the cylinder  724  squared. As such, in this example, the predetermined amount  800  is equal to L*π*r 2 . 
     An outlet valve  802  may be provided in the valve outlet  730 . The outlet valve  802  comprises a check valve, one way valve, or the like. The outlet valve  802  can control and limit the unintended expulsion of the predetermined amount  800  of the product  120  from the fixed volumetric region  722 . For example, the outlet valve  802  can initially be in a closed position when the displacement member  736  is in the first position. The outlet valve  802  can remain in the closed position at least until the displacement member  736  is moved from the first position to the second position. 
     Turning to  FIG. 9 , the displacement member  736  can be moved (e.g., as indicated by arrow O in  FIG. 8 ) from the first position (e.g., as indicated in  FIG. 8 ) to the second position. In an example, the displacement member  736  can be moved in response to movement of the actuator  740 . As the displacement member  736  moves (e.g., as indicated by arrow O in  FIG. 8 ) to the second position, the displacement member  736  can force the predetermined amount  800  of the product  120  towards and through the valve outlet  730  (e.g., leftward in  FIG. 9 ). This force applied by the displacement member  736  to the predetermined amount  800  of the product  120  is at least enough to cause the outlet valve  802  to move from the closed position (e.g., as indicated in  FIG. 8 ) to an opened position. With the outlet valve  802  in the opened position, movement of the displacement member  736  to the second position allows the predetermined amount  800  of the product  120  to flow out (e.g., as indicated by arrow P) through the valve outlet  730 . 
     The dispensing system  100 ,  500 ,  700  illustrated and described herein provides a number of benefits. For example, due to the first container  110  being deformable, the dispensing system  100 ,  500 ,  700  utilizes elastic energy that is inherent in the deformable first container  110  to help propel and emit relatively highly viscous product  120  from the first container. This is beneficial, at least in part, because this product  120  may not self-settle by gravity into a dispensing structure, pump, or the like. Additionally, in some examples, the dispensing system  100 ,  500  allows for pressurization of the second container  102 , thus allowing for easier dispensing of the product  120 . 
     Although the subject matter has been described in language specific to structural features or methodological acts, it is to be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or acts described above. Rather, the specific features and acts described above are disclosed as example forms of implementing at least some of the claims. 
     Various operations of embodiments are provided herein. The order in which some or all of the operations described should not be construed to imply that these operations are necessarily order dependent. Alternative ordering will be appreciated having the benefit of this description. Further, it will be understood that not all operations are necessarily present in each embodiment provided herein. Also, it will be understood that not all operations are necessary in some embodiments. 
     Many modifications may be made to the instant disclosure without departing from the scope or spirit of the claimed subject matter. Unless specified otherwise, “first,” “second,” or the like are not intended to imply a temporal aspect, a spatial aspect, an ordering, etc. Rather, such terms are merely used as identifiers, names, etc. for features, elements, items, etc. For example, a first component and a second component correspond to component A and component B or two different or two identical components or the same component. 
     Moreover, “exemplary” is used herein to mean serving as an example, instance, illustration, etc., and not necessarily as advantageous. As used in this application, “or” is intended to mean an inclusive “or” rather than an exclusive “or”. In addition, “a” and “an” as used in this application are to be construed to mean “one or more” unless specified otherwise or clear from context to be directed to a singular form. Also, at least one of A and B or the like means A or B or both A and B. Furthermore, to the extent that “includes”, “having”, “has”, “with”, or variants thereof are used in either the detailed description or the claims, such terms are intended to be inclusive in a manner similar to “comprising”. 
     Also, although the disclosure has been illustrated and described with respect to one or more implementations, equivalent alterations and modifications will occur to others skilled in the art based upon a reading and understanding of this specification and the annexed drawings. The disclosure includes all such modifications and alterations and is limited only by the scope of the following claims. In particular regard to the various functions performed by the above described components (e.g., elements, resources, etc.), the terms used to describe such components are intended to correspond, unless otherwise indicated, to any component which performs the specified function of the described component (e.g., that is functionally equivalent), even though not structurally equivalent to the disclosed structure. In addition, while a particular feature of the disclosure may have been disclosed with respect to only one of several implementations, such feature may be combined with one or more other features of the other implementations as may be desired and advantageous for any given or particular application.