Flexible polymer packaging bag with easy-open end seal feature

Details Flexible polymer packaging bag with easy-open end seal feature Flexible polymer packaging bag with easy-open end seal feature

1999-02-17

1999-10-19

Pascua, Jes F.

Flexible bags

Bag having means to facilitate opening it by severing bag...

Line of weakness delineates substantially the entire tearing...

383 66, 383106, 206494, B65D 3300, B65D 3304

Patent

active

059676655

ABSTRACT:
A flexible polymer packaging bag is provided with an easy-open end seal feature for easily tearing through a fused seal. The bag has a pair of side walls, a pair of end walls, a top wall, and a bottom wall, in which the walls form an interior space. A stack of articles are contained in the interior space. A seal is in one of the walls and includes at least one seal area and at least one weakened zone. A frangible line for opening the bag is in the one wall and intersects the seal at the weakened zone, so that the frangible line can be easily tom where it intersects the seal.

REFERENCES:
patent: 2189431 (1940-02-01), Moore
patent: 3038651 (1962-06-01), Cloudsley
patent: 3641732 (1972-02-01), Fujio
patent: 4696050 (1987-09-01), Sengewald
patent: 5175011 (1992-12-01), Courvoisier et al.
patent: 5184771 (1993-02-01), Jud et al.
patent: 5464285 (1995-11-01), Anderson
patent: 5655843 (1997-08-01), Conrad et al.
patent: 5666445 (1997-09-01), Conrad et al.

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