A canister includes a container and a closure. The container is formed to include a product-storage region and an open mouth that opens into the product-storage region. The closure is configured to couple to the container to close the open mouth.
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1. A canister comprising a container formed to include a product-storage region and including a body and a filler neck coupled to the body to establish the product-storage region and formed to include an open mouth arranged to open into the product-storage region anda closure adapted to mate with th
1. A canister comprising a container formed to include a product-storage region and including a body and a filler neck coupled to the body to establish the product-storage region and formed to include an open mouth arranged to open into the product-storage region anda closure adapted to mate with the filler neck to close the open mouth to block access to the product-storage region and establish a variable-volume interior chamber therein, wherein an expansible portion of the closure is made of an elastic deformable material and is configured to provide lid means, including a monolithic disk comprising plastics materials, for yielding elastically during exposure of an inner surface of the expansible portion of the closure to an elevated pressure in excess of a predetermined pressure that is extant in the variable-volume interior chamber when the closure is coupled to the container and the container and the closure are subjected to elevated retort temperatures to sterilize any product contained in the variable-volume interior chamber to cause shape-changing movement of the expansible portion of the closure from a selected pre-expansion shape in a direction away from the container to an outwardly extending inflated shape to cause the variable-volume interior chamber to increase in volume and then contracting to assume a contracted shape in response to cooling of the variable-volume interior chamber,wherein the lid means is configured to break a seal formed between the lid means and the filler neck to allow gases to escape when pressure is increased beyond the elevated pressure and to reestablish the seal when pressure is reduced to at least the elevated pressure,wherein the lid means includes a lid-reinforcing core including an upwardly facing outer surface arranged to face away from the container and a downwardly facing inner surface arranged to face toward the container, an elastic barrier film coupled to the upwardly facing outer surface of the lid-reinforcing core, and a gasket coupled to the downwardly facing inner surface of the lid-reinforcing core,wherein the lid-reinforcing core is a disk, the disk includes a disk body sized to close the open mouth when the closure is coupled to the filler neck of the container, the disk body having a substantially flat pre-retort shape, and a gasket-receiving track appended to the substantially flat disk body and arranged to extend away from the substantially flat disk body toward the filler neck of the container. 2. The canister of claim 1, wherein the gasket is coupled to the gasket-receiving track and located between the disk body and the filler neck of the container when the closure is coupled to the filler neck. 3. The canister of claim 1, wherein the disk further includes an annular disk-support ring appended to the disk and arranged to extend toward the container, the annular disk-support ring being located between the gasket-receiving track and a closure axis about which the closure is rotated to couple the closure to filler neck. 4. The canister of claim 1, wherein the gasket includes an upper-gasket surface arranged to face toward the lid-reinforcing core, a lower-gasket surface arranged face toward the filler neck of the container, and an outer-gasket edge arranged to extend between and interconnect the upper-gasket surface and the lower-gasket surface and located in spaced-apart radial relation to a closure axis about which the closure is rotated to couple the closure to the filler neck. 5. The canister of claim 4, wherein the gasket further includes an inner-gasket edge arranged to extend between and interconnect the upper-gasket surface and the lower-gasket surface and located between the closure axis and the outer-gasket edge. 6. The canister of claim 1, wherein the elastic barrier film includes a first polymeric layer and a barrier layer coupled to the first polymeric layer and configured to block communication of oxygen through the closure when the closure is coupled to the filler neck of the container. 7. The canister of claim 6, wherein the barrier layer includes one of ethylene vinyl alcohol, a AIOx coated polyethylene terephthalate layer, and a metallic layer. 8. The canister of claim 7, wherein the elastic barrier film further includes a second polymeric layer located in spaced-apart relation to the first polymeric layer to cause the barrier layer to be located between the first polymeric layer and the second polymeric layer. 9. The canister of claim 1, wherein the closure further includes a lid-retainer ring arranged to interconnect the container and the lid means to cause the lid means to be trapped between the lid-retainer ring and the container when the closure is mated the container. 10. The canister of claim 9, wherein the lid-retainer ring includes a top wall arranged to lie in spaced-apart relation above the container when the closure is coupled to the container and an annular side wall appended to the top wall to extend toward the container, the top wall and the annular side wall cooperate to define an interior region therebetween, and the lid means is arranged to lie in the interior region when the closure is coupled to the container and when the closure is spaced apart from and separated from the container. 11. The canister of claim 10, wherein the lid-retainer ring further includes a lid-retainer support appended to the annular side wall and arranged to extend toward the filler neck, the lid-retainer support is spaced apart below the top wall to locate the lid means between the top wall and the lid-retainer support. 12. The canister of claim 11, wherein the lid means is arranged to engage the top wall when the closure is coupled to the filler neck of the container and the lid means is freed to move up and down between the top wall and the lid-retainer support when the closure is spaced apart from the container. 13. The canister of claim 9, wherein the lid-retainer ring is formed to include a lower aperture arranged to open into an interior region formed in the lid-retainer ring and an upper aperture arranged to open into the interior region and the filler neck of the container is arranged to extend into the interior region through the lower aperture when the closure is coupled to the filler neck. 14. The canister of claim 13, wherein the expansible portion of the lid means is located in the interior region of the lid-retainer ring when the closure has the pre-expansion shape. 15. The canister of claim 14, wherein the expansible portion of the lid means is arranged to extend out of the interior region through the upper aperture away from the container when the closure is in the outwardly extending inflated shape. 16. The canister of claim 15, wherein the expansible portion of the lid means is arranged to extend into the product-storage region of the container through the open mouth when the closure is in the contracted shape. 17. The canister of claim 1, wherein the closure further includes a lid-retainer ring arranged to interconnect the container and the lid means to cause the lid means to be trapped between the lid-retainer ring and the container when the closure is mated the container and the lid-retainer ring is formed to include a lower aperture arranged to open into an interior region formed in the lid-retainer ring and an upper aperture arranged to open into the interior region and the filler neck of the container is arranged to extend into the interior region through the lower aperture when the closure is coupled to the filler neck. 18. The canister of claim 17, wherein the expansible portion of the closure is provided by the lid-reinforcing core and the elastic barrier film and portions of the lid-reinforcing core and the elastic barrier film are located in the interior region of the lid-retainer ring when the closure has the selected pre-expansion shape. 19. The canister of claim 17, wherein portions of the lid-reinforcing core and the elastic barrier film are arranged to extend out of the interior region through the upper aperture away from the container when the closure is in the outwardly extending inflated shape. 20. The canister of claim 17, wherein portions of the lid-reinforcing core and the elastic barrier film are arranged to extend into the product-storage region of the container through the open mouth when the closure is in the contracted shape. 21. A canister comprising a container formed to include a product-storage region and including a body and a filler neck coupled to the body to establish the product-storage region and formed to include an open mouth arranged to open into the product-storage region anda closure adapted to mate with the filler neck to close the open mouth to block access to the product-storage region and establish a variable-volume interior chamber therein, wherein an expansible portion of the closure is made of an elastic deformable material which yields elastically during exposure of an inner surface of the expansible portion of the closure to an elevated pressure in excess of a predetermined pressure that is extant in the variable-volume interior chamber when the closure is coupled to the container and the container and the closure are subjected to elevated retort temperatures to cause shape-changing movement of the expansible portion of the closure from a selected pre-expansion shape in a direction away from the container to an outwardly extending inflated shape to cause the variable-volume interior chamber to increase in volume and then contracting to assume a contracted shape in response to cooling of the variable-volume interior chamber,wherein the closure includes a lid including a monolithic plastics materials disk and an elastic barrier film arranged to close the open mouth of the container and a lid-retainer ring arranged to interconnect the container and the lid when the closure is coupled to the container andwherein the lid is configured to break a seal formed between the lid and the filler neck to allow gases to escape when pressure is increased beyond the elevated pressure and to reestablish the seal when pressure is reduced to at least the elevated pressure,wherein the disk includes a disk body sized to close the open mouth when the closure is coupled to the filler neck of the container, the disk body having a substantially flat pre-retort shape, and a gasket-receiving track appended to the substantially flat disk body and arranged to extend toward the filler neck of the container, wherein a gasket is arranged in the gasket-receiving track. 22. The canister of claim 18, wherein the lid is trapped between the lid-retainer ring and the container when the closure is mated the container and the lid-retainer ring is formed to include a lower aperture arranged to open into an interior region formed in the lid-retainer ring and an upper aperture arranged to open into the interior region and the filler neck of the container is arranged to extend into the interior region through the lower aperture when the closure is coupled to the filler neck. 23. The canister of claim 22, wherein the expansible portion of the closure located in the interior region of the lid-retainer ring when the closure has the selected pre-expansion shape. 24. The canister of claim 23, wherein the expansible portion of the closure is arranged to extend out of the interior region through the upper aperture away from the container when the closure is in the outwardly extending inflated shape. 25. The canister of claim 18, wherein the expansible portion of the closure is arranged to extend into the product-storage region of the container through the open mouth when the closure is in the contracted shape. 26. The canister of claim 25, wherein the expansible portion of the closure is provided by the lid-reinforcing core and the elastic barrier film. 27. A closure comprising a floating lid anda lid-retainer ring adapted to interconnect the floating lid and a filler neck of a container to cause the floating lid to be fixed in position relative to the filler neck,wherein the floating lid includes a lid-reinforcing plastics material core including an upwardly facing outer surface arranged to face in an upward direction and a downwardly facing inner surface arranged to face in an opposite downward direction, an elastic barrier film coupled to the upwardly facing outer surface of the lid-reinforcing core, and a gasket coupled to the downwardly facing inner surface of the lid-reinforcing core, wherein the floating lid includes an expansible portion made of an elastic deformable material which yields elastically during exposure of an inner surface of the expansible portion of the floating lid to retort sterilization temperatures and an elevated pressure in excess of a predetermined pressure that is extant when the floating lid is fixed in position relative to the filler neck, to cause shape-changing movement of the expansible portion from a selected pre-expansion shape in the upward direction to an outwardly extending inflated shape and then contracting in the downward direction to assume a contracted shape in response to removal of the elevated pressure; wherein the floating lid is configured to break a seal formed between the floating lid and the filler neck to allow gases to escape when pressure is increased beyond the elevated pressure and to reestablish the seal when pressure is reduced to at least the elevated pressure,wherein the expansible portion comprises a disk including a disk body sized to close an open mouth of the filler neck when the closure is coupled to the filler neck of the container, the disk body having a substantially flat pre-retort shape, and a gasket-receiving track appended to the substantially flat disk body and arranged to receive the gasket and to extend toward the filler neck of the container. 28. The canister of claim 27, wherein the expansible portion of the closure is located in an interior region formed in the lid-retainer ring when the closure is in the selected pre-expansion shape. 29. The canister of claim 28, wherein the expansible portion of the closure is arranged to extend out of the interior region through an upper aperture formed in the lid-retainer ring when the closure is in the outwardly extending inflated shape. 30. The canister of claim 29, wherein the expansible portion of the closure is provided by the lid-reinforcing core and the elastic barrier film.
Maxwell Earl G. (9108 Halls Ferry Road St. Louis MO 63136), Nestable non-corrosive container for pressurized beverages and processes for manufacture and handling thereof.
Bloom, Kenneth S.; Eilertson, Stephen A.; Gnepper, Maurice R., Tamper-evident closure having a sealing disk and package for high-temperature applications.
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