Flexible bags – With closure – Rib and groove
Patent
1983-02-07
1984-11-20
Pollard, Steven M.
Flexible bags
With closure
Rib and groove
B65D 3324
Patent
active
044843526
ABSTRACT:
An improved, releasable fastener having molded interlocking male and female elements suitable for plastic bag closures, and the like, incorporates ramp surfaces in operative association with one of the elements, typically the female element, to facilitate alignment and closure.
REFERENCES:
patent: Re28969 (1976-09-01), Naito
patent: 3338284 (1967-08-01), Ausnit
patent: 3338285 (1967-08-01), Jaster
patent: 3347298 (1967-10-01), Ausnit et al.
patent: 3416585 (1968-12-01), Staller
patent: 3532571 (1970-10-01), Ausnit
Olive B. B.
Pollard Steven M.
Voorhees David
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