Easy-open, tamper-indicating closure

Details Easy-open, tamper-indicating closure Easy-open, tamper-indicating closure

1975-03-21

1976-08-24

Hart, Ro E.

Bottles and jars

Closures

Frangible member or portion

215305, B65D 4132

Patent

active

039762157

ABSTRACT:
This disclosure relates to a tamper-indicating press-on, pull-off closure for maintaning pressure in a container whereby the closure and container provide a package which may be readily opened by a consumer without the use of tools and without the creation of dangerous sharp edges. This closure includes a cap and a unique cap liner which fits within the cap and is formed integral with a pull ring for removal of the cap from a container. A plurality of severable tamper-indicating webs are formed between the pull ring and the cap liner and sever upon actuation of the ring pull to indicate tampering with the package. The cap incorporates a plurality of scores in its skirt portion which fracture when the pull ring is actuated to thereby release the cap from engagement with the container.

REFERENCES:
patent: 3465906 (1969-09-01), Wagner
patent: 3589543 (1971-06-01), Weigand
patent: 3672527 (1972-06-01), Bly
patent: 3750820 (1973-08-01), LaBarre
patent: 3820678 (1974-06-01), Zipper
patent: 3858742 (1975-01-01), Grussen
patent: 3865268 (1975-02-01), Coop
patent: 3866782 (1975-02-01), Westfall

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