Container closure

Details Container closure Container closure

1971-03-29

1976-09-21

Price, William

Receptacles

Closures

With closure opening arrangements for means

215 16, 215252, 215256, 220258, 220276, B65D 1720

Patent

active

039814122

ABSTRACT:
Disposable container closures of low gas and vapor permeability, high-impact resistant, cleanly combustible thermoplastics fusable to the rim of container openings to seal the same but readily manually opened by integral tab positioned to commence tears along score lines promoting and utilizing the unexpected relatively low resistance of the otherwise tough materials to continued tearing once a tear is started.

REFERENCES:
patent: 3281007 (1966-10-01), Dorosz
patent: 3407957 (1968-10-01), Robinson
patent: 3415412 (1968-12-01), Robinson et al.
patent: 3426102 (1969-02-01), Solak et al.
patent: 3499572 (1970-03-01), Ruekberg
patent: 3532248 (1970-10-01), Ruekberg
patent: 3671607 (1972-06-01), Lee

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