Regulated pressurized dispenser and method

Claim 2

In an aerosol type dispenser, internal expulsion means for developing and maintaining gaseous dispensing pressure between predetermined maximum and minimum pressure levels for a product within a container of the dispenser, said expulsion means comprising an enclosed fluid impermeable flexible pouch disposed within said dispenser and having a pair of facing wall members, a plurality of pocket members disposed within said pouch in spaced relation to one another and affixed to the interior of a first of said wall members, closure members associated with the interior of the other said wall member closing each of said pocket members and releasably adhering to its contacting surfaces, a predetermined quantity of a first component of a two-component gas generation system disposed within each pocket member, a predetermined quantity of a second component of said two-component gas generation system disposed within said pouch and externally of said closed pocket members, starting delay means carrying a predetermined quantity of said first component disposed within said pouch in contact with said predetermined quantity of said second component for causing the initial generation of gas after a prescribed period of time, said pocket members being sequentially separable from said closure members to empty their contents into admixture with said second component to generate more gas as said pouch expands due to the dispensing of said product, each pocket member having a first extension member of a predetermined length affixed at its end to one member spot of an identifiable pair of spots comprising one identifiable spot on each of said pair of facing walls of said pouch, and each pocket member being releasably closed by a respective said closure member having a second extension member of a predetermined length affixed at its end to the other spot of said identifiable pair of spots, whereby, dispensing of said product causes the internal pressure within said container to alternate continuously between said predetermined minimum and maximum pressure levels, until dispensing said product is complete, said pouch increases in size to a predetermined capacity each time the internal pressure within said dispenser drops from said predetermined maximum to said predetermined minimum pressure levels, as the product is dispensed, the distance between said ends of said first and second extension members of said pocket and said closure members of each of said closed pocket members exceeds the total predetermined length of said pocket extension member plus the predetermined length of said closure extension member which causes sequential separation of said pocket members from their respective closure members and serial opening of each of said closed pocket members and discharging and adding of their contents sequentially each time the internal pressure in said dispenser drops to said predetermined minimum pressure level, whereby, coordination of said range of predetermined maximum and minimum pressure levels, the lengths of the extension members of each of said pocket and closure members of each of said plurality of closed pocket members, the quantity of said first component enclosed within each of said pocket members, the order of sequence of the opening of each of said closed pocket members, and the quantity of said second component deposited within said pouch permit dispensing of said product within said predetermined maximum and minimum pressure levels.

Claim 3

In an aerosol type dispenser, internal expulsion means for developing and maintaining gaseous dispensing pressure between predetermined maximum and minimum pressure levels for a product within a container of the dispenser, said expulsion means comprising an enclosed fluid impermeable flexible pouch disposed within said dispenser and having a pair of facing wall members, a plurality of interconnected pocket members disposed within said pouch in spaced relation to one another and affixed to the interior of a first of said wall members, a common closure member associated with the interior of the other said wall member closing each of said pocket members and releasably adhering to its contacting surfaces, a predetermined quantity of a first component of a two-component gas generation system disposed within each pocket member, a predetermined quantity of a second component of said two-component gas generation system disposed within said pouch and externally of said closed pocket members, starting delay means carrying a predetermined quantity of said first component disposed within said pouch in contact with said predetermined quantity of said second component for causing the initial generation of gas after a prescribed period of time, said pocket members being sequentially separable from its respective closure member to empty their contents into admixture with said second component to generate more gas as said pouch expands due to the dispensing of said product, each pocket member having a first extension member of a predetermined length affixed at its end to one member spot of an identifiable pair of spots comprising one identifiable spot on each of said pair of facing walls of said pouch, and each pocket member being releasably closed by a respective said closure member having a second extension member of a predetermined length affixed at its end to the other spot of said identifiable pair of spots, whereby, dispensing of said product causes the internal pressure within said container to alternate continuously between said predetermined minimum and maximum pressure levels, until dispensing said product is complete, said pouch increases in size to a predetermined capacity each time the internal pressure within said dispenser drops from said predetermined maximum to said predetermined minimum pressure levels, as the product is dispensed, the distance between said ends of said first and second extension members of said pocket and said closure members of each of said closed pocket members exceeds the total predetermined length of said pocket extension member plus the predetermined length of said closure extension member which causes sequential separation of said pocket members from their respective closure members and serial opening of each of said closed pocket members and discharging and adding of their contents sequentially each time the internal pressure in said dispenser drops to said predetermined minimum pressure level, whereby, coordination of said range of predetermined maximum and minimum pressure levels, the lengths of the extension members of each of said pocket and closure members of each of said plurality of closed pocket members, the quantity of said first component enclosed within each of said pocket members, the order of sequence of the opening of each of said closed pocket members, and the quantity of said second component deposited within said pouch permit dispensing of said product within said predetermined maximum and minimum pressure levels.

Claim 4

In an aerosol type dispenser, internal expulsion means for developing and maintaining gaseous dispensing pressure between predetermined maximum and minimum pressure levels for a product within a container of the dispenser, said expulsion means comprising an enclosed fluid impermeable flexible pouch disposed within said dispenser and having a pair of facing wall members, a plurality of interconnected pocket members disposed within said pouch in spaced relation to one another and affixed to the interior of a first of said wall members, a common closure member associated with the interior of the other said wall member closing each of said pocket members and releasably adhering to its contacting surfaces, a predetermined quantity of a first component of a two-component gas generation system disposed within each pocket member, a predetermined quantity of a second component of said two-component gas generation system disposed within said pouch and externally of said closed pocket members, starting delay means carrying a predetermined quantity of said first component disposed within said pouch in contact with said predetermined quantity of said second component for causing the initial generation of gas after a prescribed period of time, said pocket members being sequentially separable from its respective closure member to empty their contents into admixture with said second component to generate more gas as said pouch expands due to the dispensing of said product, each pocket member having a first extension member of a predetermined length affixed at its end to one member spot of an identifiable pair of spots comprising one identifiable spot on each of said pair of facing walls of said pouch, and each pocket member being releasably closed by a respective said closure member having a second extension member of a predetermined length affixed at its end to the other spot of said identifiable pair of spots, whereby, dispensing of said product causes the internal pressure within said container to alternate continuously between said predetermined minimum and maximum pressure levels, until dispensing said product is complete, said pouch increases in size to a predetermined capacity each time the internal pressure within said dispenser drops from said predetermined maximum to said predetermined minimum pressure levels, as the product is dispensed, the distance between said ends of said first and second extension members of said pocket and said closure members of each of said closed pocket members exceeds the total predetermined length of said pocket extension member plus the predetermined length of said closure extension member which causes sequential separation of said pocket members from their respective closure members and serial opening of each of said closed pocket members and discharging and adding of their contents sequentially each time the internal pressure in said dispenser drops to said predetermined minimum pressure level, whereby, coordination of said range of predetermined maximum and minimum pressure levels, the lengths of the extension members of each of said pocket and closure members of each of said plurality of closed pocket members, the quantity of said first component enclosed within each of said pocket members, the order of sequence of the opening of each of said closed pocket members, and the quantity of said second component deposited within said pouch permit dispensing of said product within said predetermined maximum and minimum pressure levels.

Claim 5

In a regulated self-pressurizing dispensing apparatus of the type having an outer container for developing and maintaining gaseous dispensing pressure between predetermined maximum and minimum pressure levels for a product being dispensed, a manually actuable atomizing and dispensing valve on said container, a dispensible flowable medium within said container to be dispensed, and means within said container for providing dispensing pressure for said medium comprising, a liquid impermeable expansible flexible pouch disposed within said container, said dispensible medium disposed externally of said pouch within said container, a pair of sheets permanently attached on their outer surfaces to the inner facing surfaces of said pouch and releasably adhered to one another over substantially their entire contacting surfaces, at least one of said sheets having a plurality of pocket members in its surface in spaced positions to one another and each carrying an aliquot of first component of a two-component gas generation system, the other sheet enclosing and encapsulating the first component in said two-component gas generation system disposed within said pouch and externally of said pocket members, starting delay means carrying a predetermined quantity of said first component disposed within said pouch in contact with said second component for causing the initial generation of gas after a predetermined period of time, upon outward expansion of the pouch due to the pressure of gas generated therein and the evacuation of said dispenser by dispensing said medium through said valve, said closed pocket members being adapted to gradually separate from their closures and open sequentially, thereby permitting said aliquots of said first component to contact said second component and generate additional quantities of pressurizing gas within said pouch, each pocket member having a first extension of a predetermined length affixed at its end to one member spot of an identifiable pair of spots comprising one identifiable spot on each of said pair of facing walls of said pouch, and each pocket member being releasably closed by a respective said closure member having a second extension member of a predetermined length affixed at its end to the other spot of said identifiable pair of spots, whereby, dispensing of said product causes the internal pressure within said container to alternate continuously between said predetermined minimum and maximum pressure levels, until dispensing said product is complete, said pouch increases in size to a predetermined capacity each time the internal pressure within said dispenser drops from said predetermined maximum to said predetermined minimum pressure levels, as the product is dispensed, the distance between said ends of said first and second extension members of said pocket and said closure members of each said closed pocket members exceeds the total predetermined length of said pocket extension member plus the predetermined length of said closure extension member which causes sequential separation of said pocket members from their respective closure members and serial opening of each of said closed pocket members and discharging and adding of their contents sequentially each time the internal pressure in said dispenser drops to said predetermined minimum pressure level, whereby, coordination of said range of predetermined maximum and minimum pressure levels, the lengths of the extension members of each of said pocket and closure members of each of said plurality of closed pocket members, the quantity of said first component enclosed within each of said pocket members, the order of sequence of the the opening of each of said closed pocket members, and the quantity of said second component deposited within said pouch permit dispensing of said product within said predetermined maximum and minimum pressure levels.

Claim 6

In a regulated self-pressurizing dispensing apparatus of the type having an outer container for developing and maintaining gaseous dispensing pressure between predetermined maximum and minimum pressure levels for a product being dispensed, a manually actuable atomizing and dispensing valve on said container, a dispensible flowable medium within said container to be dispensed, and means within said container for providing dispensing pressure for said medium comprising, a liquid impermeable expansible flexible pouch disposed within said container, said dispensible medium disposed externally of said pouch within said container, a pair of sheets permanently attached on their outer surfaces to the inner facing surfaces of said pouch and releasably adhered to one another over substantially their entire contacting surfaces, at least one of said sheets having a plurality of pocket members in its surface in spaced positions to one another and each carrying an aliquot of first component of a two-component gas generation system, the other sheet enclosing and encapsulating the first component in said two-component gas generation system disposed within said pouch and externally of said pocket members, starting delay means carrying a predetermined quantity of said first component disposed within said pouch in contact with said second component for causing the initial generation of gas after a predetermined period of time, upon outward expansion of the pouch due to the pressure of gas generated therein and the evacuation of said dispenser by dispensing said medium through said valve, said closed pocket members being adapted to gradually separate from their closures and open sequentially, thereby permitting said aliquots of said first component to contact said second component and generate additional quantities of pressurizing gas within said pouch, each pocket member having a first extension of a predetermined length affixed at its end to one member spot of an identifiable pair of spots comprising one identifiable spot on each of said pair of facing walls of said pouch, and each pocket member being releasably closed by a respective said closure member having a second extension member of a predetermined length affixed at its end to the other spot of said identifiable pair of spots, whereby, dispensing of said product causes the internal pressure within said container to alternate continuously between said predetermined minimum and maximum pressure levels, until dispensing said product is complete, said pouch increases in size to a predetermined capacity each time the internal pressure within said dispenser drops from said predetermined maximum to said predetermined minimum pressure levels, as the product is dispensed, the distance between said ends of said first and second extension members of said pocket and said closure members of each said closed pocket members exceeds the total predetermined length of said pocket extension member plus the predetermined length of said closure extension member which causes sequential separation of said pocket members from their respective closure members and serial opening of each of said closed pocket members and discharging and adding of their contents sequentially each time the internal pressure in said dispenser drops to said predetermined minimum pressure level, whereby, coordination of said range of predetermined maximum and minimum pressure levels, the lengths of the extension members of each of said pocket and closure members of each of said plurality of closed pocket members, the quantity of said first component enclosed within each of said pocket members, the order of sequence of the the opening of each of said closed pocket members, and the quantity of said second component deposited within said pouch permit dispensing of said product within said predetermined maximum and minimum pressure levels.

Claim 7

In a regulated self-pressurizing dispensing apparatus of the type having an outer container for developing and maintaining gaseous dispensing pressure between predetermined maximum and minimum pressure levels for a product being dispensed, a manually actuable atomizing and dispensing valve on said container, a dispensible flowable medium within said container to be dispensed, and means within said container for providing dispensing pressure for said medium comprising a liquid impermeable expansible flexible pouch disposed within said container, said dispensible medium disposed externally of said pouch within said container, a pair of two generally congruent sheets permanently attached on their outer surfaces to the inner facing surfaces of said pouch and releasably adhered to one another along at least portions of their respective margins, at least one of said sheets having a plurality of pockets in its surface in spaced positions to one another and each carrying an aliquot of first component of a two-component carbon dioxide gas generation system, the other sheet enclosing the first component in said pocket members, a predetermined quantity of a second component of said two-component carbon dioxide gas generation system disposed within said pouch and externally of said pocket members, starting delay means carrying a predetermined quantity of said first component disposed within said pouch in contact with said second component for causing the initial generation of gas after a predetermined period of time, upon outward expansion of the pouch due to the pressure of gas generated therein and the evacuation of said dispenser by dispensing said medium through said valve, said closed pocket members being adapted to gradually separate from their closures and open sequentially, thereby permitting said aliquots of said first component to contact said second component and generate additional quantities of carbon dioxide gas within said pouch, each pocket member having a first extension of a predetermined length affixed at its end to one member spot of an identifiable pair of spots comprising one identifiable spot on each of said pair of facing walls of said pouch, and each pocket member being releasably closed by a respective said closure member having a second extension member of a predetermined length affixed at its end to the other spot of said identifiable pair of spots, whereby, dispensing of said product causes the internal pressure within said container to alternate continuously between said predetermined minimum and maximum pressure levels, until dispensing said product is complete, said pouch increases in size to a predetermined capacity each time the internal pressure within said dispenser drops from said predetermined maximum to said predetermined minimum pressure levels, as the product is dispensed, the distance between said ends of said first and second extension members of said pocket and said closure members of each said closed pocket members exceeds the total predetermined length of said pocket extension member plus the predetermined length of said closure extension member which causes sequential separation of said pocket members from their respective closure members and serial opening of each of said closed pocket members and discharging and adding of their contents sequentially each time the internal pressure in said dispenser drops to said predetermined minimum pressure level, whereby, coordination of said range of predetermined maximum and minimum pressure levels, the lengths of the extension members of each of said pocket and closure members of each of said plurality of closed pocket members, the quantity of said first component enclosed within each of said pocket members, the order of sequence of the the opening of each of said closed pocket members, and the quantity of said second component deposited within said pouch permit dispensing of said product within said predetermined maximum and minimum pressure levels.

Claim 8

In a regulated self-pressurizing dispensing apparatus of the type having an outer container for developing and maintaining gaseous dispensing pressure between predetermined maximum and minimum pressure levels for a product being dispensed, a manually actuable atomizing and dispensing valve on said container, a dispensible flowable medium within said container to be dispensed, and means within said container for providing dispensing pressure for said medium comprising a liquid impermeable expansible flexible pouch disposed within said container, said dispensible medium disposed externally of said pouch within said container, a pair of two generally congruent sheets permanently attached on their outer surfaces to the inner facing surfaces of said pouch and releasably adhered to one another along at least portions of their respective margins, at least one of said sheets having a plurality of pockets in its surface in spaced positions to one another and each carrying an aliquot of first component of a two-component carbon dioxide gas generation system, the other sheet enclosing the first component in said pocket members, a predetermined quantity of a second component of said two-component carbon dioxide gas generation system disposed within said pouch and externally of said pocket members, starting delay means carrying a predetermined quantity of said first component disposed within said pouch in contact with said second component for causing the initial generation of gas after a predetermined period of time, upon outward expansion of the pouch due to the pressure of gas generated therein and the evacuation of said dispenser by dispensing said medium through said valve, said closed pocket members being adapted to gradually separate from their closures and open sequentially, thereby permitting said aliquots of said first component to contact said second component and generate additional quantities of carbon dioxide gas within said pouch, each pocket member having a first extension of a predetermined length affixed at its end to one member spot of an identifiable pair of spots comprising one identifiable spot on each of said pair of facing walls of said pouch, and each pocket member being releasably closed by a respective said closure member having a second extension member of a predetermined length affixed at its end to the other spot of said identifiable pair of spots, whereby, dispensing of said product causes the internal pressure within said container to alternate continuously between said predetermined minimum and maximum pressure levels, until dispensing said product is complete, said pouch increases in size to a predetermined capacity each time the internal pressure within said dispenser drops from said predetermined maximum to said predetermined minimum pressure levels, as the product is dispensed, the distance between said ends of said first and second extension members of said pocket and said closure members of each said closed pocket members exceeds the total predetermined length of said pocket extension member plus the predetermined length of said closure extension member which causes sequential separation of said pocket members from their respective closure members and serial opening of each of said closed pocket members and discharging and adding of their contents sequentially each time the internal pressure in said dispenser drops to said predetermined minimum pressure level, whereby, coordination of said range of predetermined maximum and minimum pressure levels, the lengths of the extension members of each of said pocket and closure members of each of said plurality of closed pocket members, the quantity of said first component enclosed within each of said pocket members, the order of sequence of the the opening of each of said closed pocket members, and the quantity of said second component deposited within said pouch permit dispensing of said product within said predetermined maximum and minimum pressure levels.

Claim 9

Expulsion means for developing and maintaining gaseous dispensing pressure in a container for a product being dispensed from said container, said means comprising a closed, fluid impermeable, flexible pouch adapted to be disposed within said container, said closed pouch having a pair of facing wall members, a plurality of pocket members disposed within said pouch in spaced positions to one another and each is affixed to the interior of a first of said facing wall members, a closure member for each pocket member associated with the interior of the other of said facing wall member and closing each of said pocket members and releasably adhering to its contacting surfaces, a predetermined quantity of a first component of a two-component gas generation system disposed within each pocket member, a predetermined quantity of a second component of said two-component gas generation system disposed within said pouch and externally of said closed pocket members, starting delay means carrying a predetermined quantity of said first component disposed within said pouch in contact with said second component for causing the initial generation of pressurizing gas after a predetermined period of time, said pocket members being sequentially separable from their closure members to empty their contents into admixture with said second component to generate more pressurizing gas as said pouch expands due to the dispensing of said product, each pocket member having a first extension member of a predetermined length affixed at its end to one member spot of an identifiable pair of spots comprising one identifiable spot on each of said pair of facing walls of said pouch, and each pocket member being releasably closed by a respective said closure member having a second extension member of a predetermined length affixed at its end to the other spot of said identifiable pair of spots, whereby, dispensing of said product causes the internal pressure within said container to alternate continuously between said predetermined minimum and maximum pressure levels, until dispensing said product is complete, said pouch increases in size to a predetermined capacity each time the internal pressure within said dispenser drops from said predetermined maximum to said predetermined minimum pressure levels, as the product is dispensed, the distance between said ends of said first and second extension members of said pocket and said closure members of each of said closed pocket members exceeds the total predetermined length of said pocket extension member plus the predetermined length of said closure extension member which causes sequential separation of said pocket members from their respective closure members and serial opening of each of said closed pocket members and discharging and adding of their contents sequentially each time the internal pressure in said dispenser drops to said predetermined minimum pressure level, whereby, coordination of said range of predetermined maximum and minimum pressure levels, the lengths of the extension members of each of said pocket and closure members of each of said plurality of closed pocket members, the quantity of said first component enclosed within each of said pocket members, the order of sequence of the opening of each of said closed pocket members, and the quantity of said second component deposited within said pouch permit dispensing of said product within said predetermined maximum and minimum pressure levels.

Claim 10

Expulsion means for developing and maintaining gaseous dispensing pressure in a container for a product being dispensed from said container, said means comprising a closed, fluid impermeable, flexible pouch adapted to be disposed within said container, said closed pouch having a pair of facing wall members, a plurality of pocket members disposed within said pouch in spaced positions to one another and each is affixed to the interior of a first of said facing wall members, a closure member for each pocket member associated with the interior of the other of said facing wall member and closing each of said pocket members and releasably adhering to its contacting surfaces, a predetermined quantity of a first component of a two-component gas generation system disposed within each pocket member, a predetermined quantity of a second component of said two-component gas generation system disposed within said pouch and externally of said closed pocket members, starting delay means carrying a predetermined quantity of said first component disposed within said pouch in contact with said second component for causing the initial generation of pressurizing gas after a predetermined period of time, said pocket members being sequentially separable from their closure members to empty their contents into admixture with said second component to generate more pressurizing gas as said pouch expands due to the dispensing of said product, each pocket member having a first extension member of a predetermined length affixed at its end to one member spot of an identifiable pair of spots comprising one identifiable spot on each of said pair of facing walls of said pouch, and each pocket member being releasably closed by a respective said closure member having a second extension member of a predetermined length affixed at its end to the other spot of said identifiable pair of spots, whereby, dispensing of said product causes the internal pressure within said container to alternate continuously between said predetermined minimum and maximum pressure levels, until dispensing said product is complete, said pouch increases in size to a predetermined capacity each time the internal pressure within said dispenser drops from said predetermined maximum to said predetermined minimum pressure levels, as the product is dispensed, the distance between said ends of said first and second extension members of said pocket and said closure members of each of said closed pocket members exceeds the total predetermined length of said pocket extension member plus the predetermined length of said closure extension member which causes sequential separation of said pocket members from their respective closure members and serial opening of each of said closed pocket members and discharging and adding of their contents sequentially each time the internal pressure in said dispenser drops to said predetermined minimum pressure level, whereby, coordination of said range of predetermined maximum and minimum pressure levels, the lengths of the extension members of each of said pocket and closure members of each of said plurality of closed pocket members, the quantity of said first component enclosed within each of said pocket members, the order of sequence of the opening of each of said closed pocket members, and the quantity of said second component deposited within said pouch permit dispensing of said product within said predetermined maximum and minimum pressure levels.

Claim 11

Expulsion means for developing and maintaining gaseous dispensing pressure in a container for a product being dispensed from said container, said means comprising a closed, fluid impermeable, flexible pouch adapted to be disposed within said container, said closed pouch having a pair of facing wall members, a plurality of pocket members disposed within said pouch in spaced positions to one another affixed to the interior of a first of said facing wall members, a common closure member associated with the interior of the other of said facing wall member and closing each of said pocket members and releasably adhering to its contacting surfaces, a predetermined quantity of a first component of a two-component gas generation system disposed within each pocket member, a predetermined quantity of a second component of said two-component gas generation system disposed within said pouch and externally of said closed pocket members, starting delay means carrying a predetermined quantity of said first component disposed within said pouch in contact with said second component for causing the initial generation of pressurizing gas after a predetermined period of time, said pocket members being sequentially separable from their closure members to empty their contents into admixture with said second component to generate more pressurizing gas as said pouch expends due to the dispensing of said product, each pocket member having a first extension member of a predetermined length affixed at its end to one member spot of an identifiable pair of spots comprising one identifiable spot on each of said pair of facing walls of said pouch, and each pocket member being releasably closed by a respective said closure member having a second extension member of a predetermined length affixed at its end to the other spot of said identifiable pair of spots, whereby, dispensing of said product causes the internal pressure within said container to alternate continuously between said predetermined minimum and maximum pressure levels, until dispensing said product is complete, said pouch increases in size to a predetermined capacity each time the internal pressure within said dispenser drops from said predetermined maximum to said predetermined minimum pressure levels, as the product is dispensed, the distance between said ends of said first and second extension members of said pocket and said closure members of each of said closed pocket members exceeds the total predetermined length of said pocket extension member plus the predetermined length of said closure extension member which causes sequential separation of said pocket members from their respective closure members and serial opening of each of said closed pocket members and discharging and adding of their contents sequentially each time the internal pressure in said dispenser drops to said predetermined minimum pressure level, whereby, coordination of said range of predetermined maximum and minimum pressure levels, the lengths of the extension members of each of said pocket and closure members of each of said plurality of closed pocket members, the quantity of said first component enclosed within each of said pocket members, the order of sequence of the opening of each of said closed pocket members, and the quantity of said second component deposited within said pouch permit dispensing of said product within said predetermined maximum and minimum pressure levels.

Claim 12

Expulsion means for developing and maintaining gaseous dispensing pressure in a container for a product being dispensed from said container, said means comprising a closed, fluid impermeable, flexible pouch adapted to be disposed within said container, said closed pouch having a pair of facing wall members, a plurality of pocket members disposed within said pouch in spaced positions to one another affixed to the interior of a first of said facing wall members, a common closure member associated with the interior of the other of said facing wall member and closing each of said pocket members and releasably adhering to its contacting surfaces, a predetermined quantity of a first component of a two-component gas generation system disposed within each pocket member, a predetermined quantity of a second component of said two-component gas generation system disposed within said pouch and externally of said closed pocket members, starting delay means carrying a predetermined quantity of said first component disposed within said pouch in contact with said second component for causing the initial generation of pressurizing gas after a predetermined period of time, said pocket members being sequentially separable from their closure members to empty their contents into admixture with said second component to generate more pressurizing gas as said pouch expends due to the dispensing of said product, each pocket member having a first extension member of a predetermined length affixed at its end to one member spot of an identifiable pair of spots comprising one identifiable spot on each of said pair of facing walls of said pouch, and each pocket member being releasably closed by a respective said closure member having a second extension member of a predetermined length affixed at its end to the other spot of said identifiable pair of spots, whereby, dispensing of said product causes the internal pressure within said container to alternate continuously between said predetermined minimum and maximum pressure levels, until dispensing said product is complete, said pouch increases in size to a predetermined capacity each time the internal pressure within said dispenser drops from said predetermined maximum to said predetermined minimum pressure levels, as the product is dispensed, the distance between said ends of said first and second extension members of said pocket and said closure members of each of said closed pocket members exceeds the total predetermined length of said pocket extension member plus the predetermined length of said closure extension member which causes sequential separation of said pocket members from their respective closure members and serial opening of each of said closed pocket members and discharging and adding of their contents sequentially each time the internal pressure in said dispenser drops to said predetermined minimum pressure level, whereby, coordination of said range of predetermined maximum and minimum pressure levels, the lengths of the extension members of each of said pocket and closure members of each of said plurality of closed pocket members, the quantity of said first component enclosed within each of said pocket members, the order of sequence of the opening of each of said closed pocket members, and the quantity of said second component deposited within said pouch permit dispensing of said product within said predetermined maximum and minimum pressure levels.

Claim 13

In the dispenser defined in claims 1, 2, 3, or 4 wherein said pouch comprised of three-layer laminated plastic, the external layer being Mylar polyester (0.5) to (3) mils thick, the inner layer being low density polyethylene (0.5) to (20) mils thick, and the middle layer being saran deposited by spraying at least one of the inner surfaces of said Mylar and polyethylene layers, and said pouch is closed and completely enclosed.

Claim 14

In the dispenser defined in claim 7 wherein, said pocket members comprised of two-layer plastic lamination having an exterior layer of low density polyethylene (0.5) to (20) mils thick, and an interior layer of polypropylene (0.1) to (10) mils thick, said closure members comprised of three-layer plastic sandwich lamination having an inner Mylar polyester layer of (0.3) to (3.00) mils thickness, the outer layers of the sandwich having low density polyethylene of (0.3) to (20) mils thick.

Claim 15

In the dispenser defined in claim 8 wherein, each of said pocket members and said starting delay means encapsulating said predetermined first component comprising at least a compound selected from the class consisting of a water soluble mineral acid, carboxylic acid and citric acid and said second component is comprised of at least one compound selected from the class consisting of barium carbonate, calcium carbonate and sodium bicarbonate in aqueous medium and said generated gas being carbon dioxide gas.

Claim 16

In the dispenser defined in claim 9 wherein, each of said plurality of pocket members is individually separated and independent from the others.

Claim 17

In the dispenser defined in claim 10 wherein, said starting means comprising a gelatin capsule.

Claim 18

In the dispenser defined in claim 11 wherein, the end of each of said extension members of each of said pocket members of said plurality of pocket members is affixed by proportionately short heat sealed weld portion to one of two facing walls of said pouch at a predetermined spot, and each of said extension members of each of said closure members respective to said pocket members is affixed by proportionately short heat sealed weld portion to the outer of the two facing walls of said pouch at a predetermined spot, said spots constitute two member spots of an identifiable pair of spots, one of which is located on each of said facing walls of the pouch.

Claim 19

In the dispenser defined in claim 12 wherein, said product to be dispensed is comprised of at least one component selected from the class consisting of bromo-chlorl-difluoro-methane, chloro-penta-fluoro-ethane, chloro-trifluoro-methane, and dibromo-tetra-fluoro-ethane.

Claim 20

In the dispenser defined in claim 13 wherein, a foraminous barrier is located under an intake valve and a perforated tubing located alongside and internally of the container to facilitate the flow of the contents in the container to said valve intake.

Claim 21

In the dispenser defined in claims 1, 2, 3, 4, 8, 9, 10, 11, 12, 13 or 14 wherein, the radioactivity at the surface of said dispenser and its component parts and accessories as well as that of the product dispensed therefrom does not exceed 0.1 milliroentgen per hour.

Claim 22

In the dispensers defined in claim 7 wherein the radioactivity at the surface of said dispenser and its component parts and accessories as well as that of the product dispensed therefrom does not exceed 0.1 milliroentgen per hour.