Closure cap with a seal and method of and apparatus for...

Details Closure cap with a seal and method of and apparatus for... Closure cap with a seal and method of and apparatus for...

B - Operations, Transporting

65

D

206/21

B65D 53/00 (2006.01) B29C 55/00 (2006.01) B29C 57/12 (2006.01) B29C 67/00 (2006.01) B65D 41/04 (2006.01)

Patent

CA 1304042

ABSTRACT In combination, a container and a linerless cap and a method of forming the cap. The cap includes plastic and has a sealing surface which is softer than contiguous plastic portions as a result of its method of forming which includes stretching. In the method the cap is molded from plastic and includes a top wall, an outer depending skirt and an internal depending substantially annular wall having an upper end integral with and depending from the top wall and a lower free end. Thereafter the free end is engaged by a forming tool to progressively turn the free end away from the internal wall to create a stretched intermediate portion for sealing which is softer than its contiguous portions.

569107

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