Projection cooling of molded slide fastener elements and...

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

A - Human Necessities

44

B

26/168, 24/47

A44B 19/02 (2006.01) A44B 19/04 (2006.01) A44B 19/40 (2006.01) B29C 45/14 (2006.01)

Patent

CA 1168839

ABSTRACT OF THE DISCLOSURE 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.

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