Reclosable plastic bags made with open mouth and method of makin

Details Reclosable plastic bags made with open mouth and method of makin Reclosable plastic bags made with open mouth and method of makin

1993-03-01

1994-08-02

Terrell, William E.

Manufacturing container or tube from paper; or other manufacturi

Container making

Pliable container

493211, 493214, 156 66, B31B 364, B31B 372

Patent

active

053341279

ABSTRACT:
A method and apparatus for forming recloseable plastic bags having engageable mating profiles wherein the bags are made to have an initially open mouth. The profiles which are made to be in an closed condition are opened by a blade apparatus which engages and opens the profiles at a point after the tubing is fused or tacked to thereby maintain proper alignment of the profiles when the bags are made.

REFERENCES:
patent: Re29208 (1977-05-01), Naito
patent: 3532571 (1970-10-01), Ausnit
patent: 3853671 (1974-12-01), Ausnit
patent: 4249982 (1981-02-01), Ausnit
patent: 4698274 (1987-10-01), Ausnit et al.
patent: 4807300 (1989-02-01), Ausnit et al.
patent: 4846586 (1989-07-01), Bruno
patent: 5057065 (1991-10-01), Buchman
patent: 5131121 (1992-07-01), Herrington et al.

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