Fastening element chain

Details Fastening element chain Fastening element chain

A - Human Necessities

44

B

24/51

A44B 19/00 (2006.01) A44B 19/14 (2006.01) B29D 5/02 (2006.01)

Patent

CA 1059294

PATENT APPLICATION INVENTOR: JOHN A. KOWALSKI TITLE FASTENING ELEMENT CHAIN AND METHOD AND APPARATUS OF MANUFACTURE ABSTRACT OF THE DISCLOSURE A plurality of spaced fastener elements are molded onto parallel filaments. A pair of leg portions of each fastening element have, respectively, a projec- tion and an opening, the projection and opening mating to interlock the leg portions. The fastening elements are formed by directing the parallel filaments to a cavity wheel which has mold cavities enclosed by a band, and then injecting plastic material through gate openings in the band into the mold cavities to form a chain of fastener elements on the parallel filaments.

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