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Class Information
Number: 215/269
Name: Bottles and jars > Closures > Having an inflatable member
Description: Devices, wherein the closure includes means having a closed chamber with at least one deformable wall, and means to introduce fluid into or to pressurize fluid within said chamber to expand and move said wall to effect sealing of the closure to the container.

Patents under this class:

Patent Number Title Of Patent Date Issued
8439217 Barrel docking and opening apparatus May. 14, 2013
7395949 Volumetric displacement dispenser Jul. 8, 2008
6805842 Repuncturable self-sealing sample container with internal collapsible bag Oct. 19, 2004
6053348 Pivotable and sealable cap assembly for opening in a large container Apr. 25, 2000
5096078 Tamper-evident closure assembly Mar. 17, 1992
4684033 Device for retarding oxidation of partly consumed bottle of wine Aug. 4, 1987
4482072 Pressurizing apparatus for partially filled containers Nov. 13, 1984
4480424 Bottle sealing apparatus and method Nov. 6, 1984
4392578 Stopper apparatus for content contamination prevention Jul. 12, 1983

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