Fluid-tight slide fastener

Details Fluid-tight slide fastener Fluid-tight slide fastener

1985-05-01

1986-08-26

Sakran, Victor N.

Buckles, buttons, clasps, etc.

Zipper or required component thereof

With distinct member for sealing surfaces

24384, 24393, A44B 1902, A44B 1932

Patent

active

046074163

ABSTRACT:
A fluid-tight slide fastener comprises a pair of stringer tapes each having an inner edge region, an outer edge region and a stretchable region intermediate between the two edge regions which are non-stretchable. The intermediate stretchable region yieldingly takes up any transverse stresses which would otherwise act upon the inner edge region to split apart the fastener halves and produce leakage therethrough.

REFERENCES:
patent: 3668745 (1972-06-01), Krupp
patent: 3974550 (1976-08-01), Fujisaki et al.
patent: 4041577 (1977-08-01), Matsuda
patent: 4042735 (1977-08-01), Yoneya
patent: 4064602 (1977-12-01), Heimberger
patent: 4228566 (1980-10-01), Matsuda
patent: 4265003 (1981-05-01), Matsuda
patent: 4378683 (1983-04-01), Matsuda et al.

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