Food or edible material: processes – compositions – and products – Packaged or wrapped product – Having destructive type opening along scored or perforated line
Patent
1977-12-06
1979-02-13
Weinstein, Steven L.
Food or edible material: processes, compositions, and products
Packaged or wrapped product
Having destructive type opening along scored or perforated line
206620, 206627, 206628, 229DIG3, 426124, 426126, B65D 554, B65B 2300
Patent
active
041396430
ABSTRACT:
A hermetically sealed pouch which is pleated, provided with a line of weakness and a tear initiating cut adjacent the line of weakness. The line of weakness extends completely around the pouch near the top of the package. A sealed area surrounds the cut to establish a barrier between the cut and the pouch interior. In one embodiment two parallel lines of weakness are used and the cut is made in the material which intervenes.
REFERENCES:
patent: 3212907 (1965-10-01), Caprioli
patent: 3615711 (1971-10-01), Markus et al.
patent: 3625351 (1971-12-01), Eisenberg
patent: 3973045 (1976-08-01), Brandberg et al.
patent: 4011347 (1977-03-01), Griffith
Abner Harold D.
Hix Diana L.
Johnson Charles L.
Gorman John V.
O'Flaherty Thomas H.
The Procter & Gamble & Company
Weinstein Steven L.
Witte Richard C.
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