Receptacles – Closures – With closure opening arrangements for means
Patent
1979-04-02
1981-05-19
Garbe, Stephen P.
Receptacles
Closures
With closure opening arrangements for means
215256, 215258, 220269, 220270, B65D 1730, B65D 1732
Patent
active
042679370
ABSTRACT:
An opening device is taught for packages comprising a substantially rigid outer wall portion and an inner layer of substantially gas-tight material (preferably a metallic foil), wherein the outer wall portion includes a first tearing notch defining an opening and a second tearing notch defining a grip tongue. The outer wall and the inner wall being interconnected substantially over their total surfaces facing each other with said outer wall portion and said inner layer being separated within an area substantially under said grip tongue. Preferably, the grip tongue is located completely within the opening defined by said first tearing notch.
REFERENCES:
patent: 3298505 (1967-01-01), Stephenson
patent: 3301432 (1967-01-01), Novak
patent: 3371818 (1968-03-01), Bozek
patent: 3415404 (1968-12-01), Robinson
patent: 3762598 (1973-10-01), Goyner
patent: 3940001 (1976-02-01), Haefner et al.
patent: 3981412 (1976-09-01), Asmus
patent: 4157143 (1979-06-01), Doi
Kiellarson Folke
Mansson Siwer
Nilsson Bengt
Piltz Lars-Eric
Quist Bo T.
AB Akerlund & Rausing
Garbe Stephen P.
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