Easy open bag structure

Details Easy open bag structure Easy open bag structure

1988-01-29

1989-07-11

Marcus, Stephen

Flexible bags

Tamper indicating

383 63, 383 65, 383 95, B65D 3314

Patent

active

048465852

ABSTRACT:
A reclosable plastic film bag and the method of making the same with the bag having opposed side walls, pressure closable separable opposed rib and groove fastener elements on confronting faces of the top for closing the bag, plastic film above the fastener elements hermetically closing the bag top, lines of tear perforation through the film to tear off the top and perforation sealing strips attached to the surface of the film preventing the passage of air through the perforations.

REFERENCES:
patent: 3226787 (1966-01-01), Ausnit
patent: 3473589 (1969-10-01), Gotz
patent: 3780781 (1973-12-01), Uramoto
patent: 3827472 (1974-08-01), Uramoto
patent: 4589145 (1986-05-01), Van Erden et al.

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