Die set and apparatus for in-situ molding of a separable fastene

Details Die set and apparatus for in-situ molding of a separable fastene Die set and apparatus for in-situ molding of a separable fastene

1987-06-17

1988-11-15

Hoag, Willard

Plastic article or earthenware shaping or treating: apparatus

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

Opposed registering coacting female molds

1565802, 425122, 425127, 425157, 4251742, 425408, 425412, 425436R, 425511, 425547, B29C 4304, B29C 4336

Patent

active

047845910

ABSTRACT:
Apparatus for making a molded plastic snap-fastener in-situ on a porous substrate, such as fabric. The apparatus includes dies defining a mold cavity therebetween and an ultrasonic head for melting and shaping plastic in the mold cavity. A hinged stripper surrounds a die and when actuated engages the fabric to remove the molded fastener from the die cavity.

REFERENCES:
patent: 2815535 (1957-12-01), Bodine
patent: 3268960 (1966-08-01), Morton
patent: 3650647 (1972-03-01), Jacobs et al.
patent: 3804577 (1974-04-01), Gauss
patent: 3951580 (1976-04-01), Hobson
patent: 4389365 (1983-06-01), Kundriavetz

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