Expansion section for tamper-indicating ring of squeeze-off clos

Details Expansion section for tamper-indicating ring of squeeze-off clos Expansion section for tamper-indicating ring of squeeze-off clos

1979-06-21

1980-10-14

Norton, Donald F.

Bottles and jars

Closures

Frangible member or portion

215274, 2922566, 215262, 215321, B65D 4146

Patent

active

042276187

ABSTRACT:
This disclosure relates to a tamper-indicating band which is utilized in conjunction with a closure for normally preventing the distortion of the closure as would be required to effect the removal of the closure. A tamper-indicating ring includes a continuous band which must be ruptured in order to remove the tamper-indicating ring. When the processing of the container assembly requires the introduction of heat, the tamper-indicating ring is heated and the band expands and then shrinks. Difficulties encountered with this first expansion and later shrinkage have been solved by forming the band in a plurality of sections connected together by expansion segments.

REFERENCES:
patent: 2817453 (1957-12-01), Stover
patent: 3057503 (1962-10-01), Salzmann
patent: 3489308 (1970-01-01), Podesta
patent: 3603472 (1971-09-01), Lecinski
patent: 3746199 (1973-07-01), Hart
patent: 3820678 (1974-06-01), Zipper
patent: 3951292 (1976-04-01), Amberg

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