Container and closure therefore having conical sealing surfaces

Details Container and closure therefore having conical sealing surfaces Container and closure therefore having conical sealing surfaces

1992-03-09

1994-11-29

Shoap, Allan N.

Bottles and jars

Closures

Cap type

215316, 215321, 220306, 220356, B65D 4116

Patent

active

053681789

ABSTRACT:
An improved container and closure therefore particularly adapted for use in storing pressurized liquid contents, such as carbonated beverages. As contrasted with conventional crown seals which employ a sealing gasket, the closure effects a sealing action between corresponding frustoconical sealing surfaces on the container finish and an inner surface of the cap, thus eliminating the need for a gasket. The closure includes a tamper indicating means at a lower peripheral edge thereof which is damaged upon engagement with an opening tool or other object.

REFERENCES:
patent: 3434614 (1969-03-01), Moller
patent: 3556338 (1971-01-01), Wilkinson et al.
patent: 3592349 (1971-07-01), Baugh
patent: 3651972 (1972-03-01), Itoh
patent: 3830393 (1974-08-01), Schaefer
patent: 3934745 (1976-01-01), Lovell
patent: 4333578 (1982-06-01), DiNunzio
patent: 4356930 (1982-11-01), Roper
patent: 4444332 (1984-04-01), Widen et al.
patent: 4574974 (1986-03-01), von Holdt
patent: 4640435 (1987-02-01), Dutt
patent: 5103990 (1992-04-01), Irwin

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