Method of forming side seams for zippered bags or packages

Details Method of forming side seams for zippered bags or packages Method of forming side seams for zippered bags or packages

1993-03-30

1994-06-21

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

53451, 53551, 156251, 493213, 493214, 493215, B31B 190, B65B 908

Patent

active

053225791

ABSTRACT:
A method for manufacturing reclosable plastic bags or packages, wherein sections of zipper profiles are pre-softened at intervals equal in length to the width of the bags or packages to be manufactured. The pre-softening enables the zipper profiles to be fused together and completely flattened when a seal bar clamps thereacross to form a side seal area transverse to the zipper.

REFERENCES:
patent: 4070222 (1978-01-01), Olson
patent: 4259134 (1981-03-01), Joice
patent: 4308087 (1981-12-01), Johnson
patent: 4498839 (1985-02-01), Johnson
patent: 4687532 (1987-08-01), Johnson
patent: 4709533 (1987-12-01), Ausnit
patent: 4812192 (1989-03-01), Woods
patent: 4867735 (1989-09-01), Wogelius
patent: 4892512 (1990-01-01), Branson
patent: 4961805 (1990-10-01), Siebert
patent: 4976811 (1990-12-01), Siebert

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