Flexible bags – With closure – Rib and groove
Patent
1985-03-25
1989-03-14
Marcus, Stephen
Flexible bags
With closure
Rib and groove
24587, 24606, 292 19, 383 95, B65D 3316
Patent
active
048120561
ABSTRACT:
Improved reclosable, flexible containers having an internal fastening element wherein the improvement comprises an external opener for disengaging the internal fastening element.
REFERENCES:
patent: Re28969 (1976-09-01), Naito
patent: 2823721 (1958-02-01), Svec et al.
patent: 2916197 (1959-12-01), Petrie et al.
patent: 3347298 (1967-10-01), Ausnit et al.
patent: 3532571 (1970-10-01), Ausnit
patent: 3608439 (1971-09-01), Ausnit
Gehman Bryon
Marcus Stephen
The Dow Chemical Company
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