Apparatus for stripping a molded U-shaped article from an inject

Details Apparatus for stripping a molded U-shaped article from an inject Apparatus for stripping a molded U-shaped article from an inject

1989-06-26

1991-01-29

Heitbrink, Timothy

Plastic article or earthenware shaping or treating: apparatus

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

With product ejector

264318, 264334, 425438, 425441, 4254501, 425DIG58, B29C 4540

Patent

active

049882805

ABSTRACT:
A cavity stripper which is positioned between two mold plates of a mold is used to remove a molded U-shaped article from a cup in one of the mold plates. The cavity stripper is movably attached to the mold plate that houses the cup. The cavity stripper is spring loaded such that it follows the moving mold plate for a short distance and by mechanical interference urges the molded article to remain with the mandrel during opening operations.

REFERENCES:
patent: 1475032 (1923-11-01), Shrum et al.
patent: 3092440 (1963-06-01), Rex et al.
patent: 3807915 (1974-04-01), Rees
patent: 4307866 (1981-12-01), Brown
patent: 4822553 (1989-04-01), Marshall
Polentz, "Saving Space with the Liquid Spring", pp. 268-270, 1966, McGraw-Hill.

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