Apparatus of manufacturing fastening element train

Details Apparatus of manufacturing fastening element train Apparatus of manufacturing fastening element train

1978-04-03

1979-06-19

Hoag, W. E.

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

Female mold type means

425122, 425123, 425129R, 425545, 425814, B29D 500, B29F 100, B29C 114

Patent

active

041585321

ABSTRACT:
A plurality of spaced fastener elements are molded 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 gas 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: 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

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