Apparatus for forming threaded molded article

Details Apparatus for forming threaded molded article Apparatus for forming threaded molded article

1993-09-27

1995-01-24

Mackey, James P.

Plastic article or earthenware shaping or treating: apparatus

Female mold and charger to supply fluent stock under...

With means to heat or cool

249 59, 425438, 425443, 425556, 425DIG58, B29C 4544, B29D 100

Patent

active

053837800

ABSTRACT:
Apparatus includes a female mold and a mold core cooperating with the female mold to form a mold cavity therebetween in the mold closed position for the formation of a threaded, molded article therein. A movable, rotatable stripper ring is provided over the core, and a rack and pinion are provided to rotate the stripper ring from a rearward to a forward position and thereby remove the threaded article from the mold core by rotating same.

REFERENCES:
patent: 2992577 (1961-07-01), Marxen
patent: 3712786 (1973-01-01), Aoki
patent: 3856255 (1974-12-01), Holzman
patent: 4059249 (1977-11-01), Galer
patent: 4130264 (1978-12-01), Schroer
patent: 4155698 (1979-05-01), Aichinger
patent: 4496302 (1985-01-01), Brown
patent: 4652227 (1987-03-01), Aoki
patent: 4881892 (1989-11-01), Webster et al.
patent: 5061168 (1991-10-01), Fox
patent: 5135700 (1992-08-01), Williams et al.

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