Projection cooling of molded slide fastener elements and product

Details Projection cooling of molded slide fastener elements and product Projection cooling of molded slide fastener elements and product

1980-10-02

1988-01-12

Hirsch, Paul J.

Buckles, buttons, clasps, etc.

Zipper or required component thereof

Slider having specific configuration, construction,...

24415, A01B 1910, B29D 2900

Patent

active

047181508

ABSTRACT:
In a stringer for a slide fastener wherein coupling elements are molded on longitudinal supporting means, such as an edge of a tape or spaced connecting threads, leg portions of the coupling elements are formed with recesses to define rapidly cooled portions which are molded to the supporting means. The rapidly cooled portions eliminate porosity to produce greater adherence and strength of the polymer bonding the coupling elements to the supporting means as well as reducing cost.

REFERENCES:
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patent: 3022560 (1962-02-01), Morin
patent: 3100325 (1963-08-01), Morin
patent: 3955247 (1976-05-01), Takamatsu
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patent: 4080691 (1978-03-01), Moertel
patent: 4157603 (1979-06-01), Kowalski
patent: 4231138 (1980-11-01), Moertel
patent: 4263698 (1981-04-01), Moertel
patent: 4290175 (1981-09-01), Moertel
patent: 4290176 (1981-09-01), Wulz

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