US PATENT SUBCLASS 220 / 232
.~ Having inflatable gasket or packing


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



220 /   HD   RECEPTACLES

200  DF  CLOSURES {45}
232.~ Having inflatable gasket or packing


DEFINITION

Classification: 220/232

(under subclass 200) Device including seal means positioned at the juncture of the closure and the receptacle to oppose the passage of fluid there-between, said seal means having a closed chamber with at least one deformable wall and externally accessible means to introduce fluid into said chamber to expand and move said wall to effect the sealing of the closure to the container.