Fluid-tight slide fastener stringer

Details Fluid-tight slide fastener stringer Fluid-tight slide fastener stringer

1984-04-26

1985-04-30

Wilson, John J.

Buckles, buttons, clasps, etc.

Zipper or required component thereof

Plural zippers

24389, 24410, 24414, A44B 1900

Patent

active

045134820

ABSTRACT:
A fluid-tight slide fastener stringer comprising a support tape made of a fluid-tight soft material, and a row of discrete coupling elements mounted on the tape along an inner longitudinal edge portion thereof. Such tape margin is folded so as to provide therealong a contact portion engageable with a corresponding contact portion of a like companion stringer to effect a fluid-tightness between the two stringers. In order to absorb or reduce undue stress exerted on the individual coupling elements, each coupling element has a slot extending parallel to the general plane of the stringer transversely through the whole width of a coupling head portion and also extending longitudinally of the same coupling element through the coupling head portion into a base portion.

REFERENCES:
patent: 2557163 (1951-06-01), Williams
patent: 2746113 (1956-05-01), Williams
patent: 2791017 (1957-05-01), Mulka
patent: 2910754 (1959-11-01), Morin
patent: 2969029 (1961-01-01), Morin
patent: 3114953 (1963-12-01), Doelter
patent: 3990130 (1976-11-01), Hattori
patent: 4078279 (1978-03-01), Heimberger
patent: 4221026 (1980-09-01), Kanzaka
patent: 4312102 (1982-01-01), Fukuroi

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