Reclosable bags having a tear-open string

Details Reclosable bags having a tear-open string Reclosable bags having a tear-open string

2003-07-28

2008-12-30

Pascua, Jes F (Department: 3782)

Flexible bags

Bag closure secured by a releasable or frangible bond

Having another independent closure for same access opening

C383S205000, C383S206000, C383S210000, C383S061200

Reexamination Certificate

active

07470063

ABSTRACT:
A reclosable bag (22) has a top seal (26) and a reclosable zipper (14). A tear string (16) passes through the top seal (26) and has a free end which can be grasped to open the top seal. The bag is made using cross-web technology with the tear strings (16) being attached to the lengths of zipper and the free ends of the strings being concertinaed in the top seal zone.

REFERENCES:
patent: 2293952 (1942-08-01), Stroop
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patent: 3680689 (1972-08-01), Grundschober et al.
patent: 5186543 (1993-02-01), Cochran
patent: 5330269 (1994-07-01), Kamada et al.
patent: 5375930 (1994-12-01), Tani
patent: 5538345 (1996-07-01), Gotoh et al.
patent: 5609420 (1997-03-01), Palmisano
patent: 6843600 (2005-01-01), Tilman et al.
patent: 0 951 989 (1999-10-01), None
patent: 1081608 (1954-12-01), None
patent: 2832698 (2003-05-01), None

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