Method of making a fastener element

Details Method of making a fastener element Method of making a fastener element

1976-12-07

1978-06-20

Hoag, Willard E.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Of varying cross-sectional area or with intermittent...

264214, 264216, 264251, 264254, 264261, 264278, 264295, 264310, 264328, 264339, B29C 1702, B29D 300, B29D 500

Patent

active

040962253

ABSTRACT:
Method of molding plurality of spaced fastener elements onto parallel filaments. A pair of leg portions of each fastening element have, respectively, a projection 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 train of fastener elements on the parallel filaments.

REFERENCES:
patent: 2197968 (1940-04-01), De Mattia
patent: 2282308 (1942-05-01), Dahlin
patent: 2496925 (1950-02-01), Winterhalter
patent: 2511402 (1950-06-01), Firing
patent: 3175028 (1965-03-01), Waldes et al.
patent: 3179996 (1965-04-01), Clauss
patent: 3196196 (1965-07-01), Burbank
patent: 3328857 (1967-07-01), Burbank
patent: 3414948 (1968-12-01), Cuckson et al.
patent: 3445915 (1969-05-01), Cuckson et al.
patent: 3770862 (1973-11-01), Rojahn
patent: 3880558 (1975-04-01), Breher et al.

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