Extruded zipper having combination stabilizing and differential

Details Extruded zipper having combination stabilizing and differential Extruded zipper having combination stabilizing and differential

1986-12-22

1988-04-05

Garbe, Stephen P.

Flexible bags

With closure

Rib and groove

24587, B65D 3316

Patent

active

047364513

ABSTRACT:
A bag closing separable fastener has a combination profile stabilizing and guiding and differential opening force enhancing post flange projecting from a base area along the outer side of a male profile and engagable with a base area alongside a complementary female profile. The post flange serves not only for stabilizing the male profile fastener strip, but also as a device for enhancing a hard-to-open from the inside and easy to open from the outside function of the fastener in respect to a bag with which associated. The male and female profile base areas and the post flange have substantially the same rigidity.

REFERENCES:
patent: 3198228 (1965-08-01), Naito
patent: 3338284 (1967-08-01), Ausnit
patent: 3338285 (1967-08-01), Jaster
patent: 3389733 (1968-06-01), Siegel
patent: 3410327 (1968-11-01), Ausnit
patent: 3416585 (1968-12-01), Staller
patent: 3425469 (1969-02-01), Ausnit
patent: 3633642 (1972-01-01), Siegel
patent: 4101355 (1978-07-01), Ausnit
patent: 4430070 (1984-02-01), Ausnit

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