Attachment of plastic zipper to incompatible bag wall web

Details Attachment of plastic zipper to incompatible bag wall web Attachment of plastic zipper to incompatible bag wall web

1985-08-27

1987-07-21

Price, William

Flexible bags

With closure

Rib and groove

24576, 24587, 156 66, 383 35, 428139, 493390, B65D 3316

Patent

active

046823662

ABSTRACT:
Bags especially adapted to be made from fusibly incompatible bag body web material and extruded plastic zippers comprising in each instance a pair of zipper strips having reclosable zipper profiles located below upper ends of pull flanges, and fused connecting anchors extending from the zipper strips through holes in the material of the bag body and thereby permanently attaching the zipper strips to the bag body. The portions of the bag body material having the anchor holes may be received in groove sockets in the zipper strips, where the zipper strips are located at the inside of the bag. The zipper strips may be located on the outside of the bag and sealably pinch material of the bag body material in and between interlocking profiles, with ends of the zipper strips secured to the sides of the bag by fused anchors extending through holes in side seams on the bag body. Method of making the bags is disclosed.

REFERENCES:
patent: Re28969 (1976-09-01), Naito
patent: 2056856 (1936-01-01), Hora
patent: 2542295 (1951-02-01), Gottesman
patent: 2701222 (1951-04-01), Herzel et al.
patent: 2791807 (1957-05-01), Morin
patent: 2821764 (1958-02-01), Leahy et al.
patent: 2914936 (1959-12-01), Reinold
patent: 3462803 (1969-08-01), Horton
patent: 4341575 (1982-07-01), Herz
patent: 4430070 (1984-02-01), Ausnit
patent: 4532166 (1985-07-01), Thomsen et al.

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