Apparatus and method of manufacture of trains of slide fastening

Details Apparatus and method of manufacture of trains of slide fastening Apparatus and method of manufacture of trains of slide fastening

1978-01-30

1979-11-27

Pavelko, Thomas P.

Plastic and nonmetallic article shaping or treating: processes

With severing, removing material from preform mechanically,...

Forming continuous work followed by cutting

264161, 264166, 264251, 264261, 264328, B29D 500

Patent

active

041761499

ABSTRACT:
In the manufacture of trains of fastening elements for slide fasteners, flowable synthetic polymer resin is injected into gate or runner channels formed in a cavity wheel and extending beneath one edge of a band enclosing cavities of the cavity wheel such that the flowable synthetic polymer resin flows through the channels into the cavities to form fastening elements.

REFERENCES:
patent: 4084296 (1978-04-01), Moertel

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