Reclosable plastic bags having improved lip sidewelds and method

Details Reclosable plastic bags having improved lip sidewelds and method Reclosable plastic bags having improved lip sidewelds and method

1991-05-31

1992-12-01

Marcus, Stephen

Flexible bags

With means to facilitate manual separation of flattened bag...

2641771, B65D 3010

Patent

active

051674548

ABSTRACT:
A reclosable plastic bag including grip strips of a plurality of spaced apart ridges extending generally parallel to one another over the width of the bag on opposed lips of the bag, wherein the ridges are characterized in cross-section by a lower generally triangularly-shaped portion and by an upper bulbous portion defined generally at an apex of the lower generally triangularly-shaped portion.

REFERENCES:
patent: 3393861 (1968-07-01), Clayton et al.
patent: 3411698 (1968-11-01), Reynolds
patent: 4076121 (1978-02-01), Clayton et al.
patent: 4363345 (1982-12-01), Scheibner
patent: 5009828 (1991-04-01), McCree
patent: 5011642 (1991-04-01), Welygan et al.

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