Squeeze-off closure with tamper indicating band

Details Squeeze-off closure with tamper indicating band Squeeze-off closure with tamper indicating band

1979-06-21

1980-10-21

Norton, Donald F.

Bottles and jars

Closures

Frangible member or portion

215262, 215321, 215346, 2922566, B65D 4132

Patent

active

042289092

ABSTRACT:
This disclosure relates to a closure assembly for containers, particularly glassware containers, wherein the closures may be readily removed even when the product is vacuum packed by the deformation of the cup-shaped body of the closure and the sealing ring through the application of a diametrically opposite squeezing pressure. Normally the deformation of the closure body is prevented by a removable tamper indicating ring which interlocks with the skirt of the closure body and which must be ruptured to effect the removal thereof. The closure may assume various configurations depending upon whether the container is to be reclosed and whether there is an internal vacuum. The closure construction permits a modified sealing surface finish on the glassware container.

REFERENCES:
patent: 2510824 (1950-06-01), Lafarge
patent: 2817453 (1957-12-01), Stover
patent: 3057503 (1962-10-01), Salzmann
patent: 3128896 (1964-04-01), Schnier
patent: 3489308 (1970-01-01), Podesta
patent: 3690499 (1972-09-01), Westfall
patent: 3746199 (1973-07-01), Hart

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