Closure

Details Closure Closure

1992-06-26

1995-01-31

Shoap, Allan N.

Bottles and jars

Closures

Including visual indicia

215256, 215344, 215354, 215DIG1, B65D 4100

Patent

active

053852524

ABSTRACT:
An injection molded threaded cap for use with containers of varying dimensions. The cap of the present invention includes a cover from which depends an integral plug. An auxiliary sealing ring is disposed at the outside base of the plug to compensate for differences between the diameter of the plug and the diameter of the opening to be sealed by the cap. To prevent doming of the cover of the cap, the underside of the cover has shrinkage resistance formations which provide the cap with structural resistance to the effects of shrinkage. The cap of the present invention further includes a ratchet ring having ratchet teeth designed to enhance the tamper-evidency of the frangible ratchet ring.

REFERENCES:
patent: 3232470 (1966-02-01), Gibson
patent: 3527372 (1970-09-01), Manning
patent: 3901404 (1975-08-01), Feldman
patent: 4131212 (1978-12-01), Rumball
patent: 4566603 (1986-01-01), Moore
patent: 4573599 (1986-03-01), Fillmore
patent: 4687114 (1987-08-01), Crisci
patent: 4790448 (1988-12-01), Ostrum et al.

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