Apparatus for molding parts having small diameter hole

Details Apparatus for molding parts having small diameter hole Apparatus for molding parts having small diameter hole

1983-05-23

1989-10-31

Silbaugh, Jan H.

Plastic article or earthenware shaping or treating: apparatus

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

With coupling between charger and mold

249 63, 249151, 249177, 264154, 2643281, 26432812, 264313, 425466, 425577, B29C 4503, B29C 4527

Patent

active

048773948

ABSTRACT:
A process for applying tension to the extending ends of a thin wire core of a mold to apply tension to the core during the molding process to maintain alignment of the core at all times during the molding process. Also included is apparatus for carrying out the process. Also included is a generally tubular part having a fine diameter hole therethrough.

REFERENCES:
patent: 2886875 (1959-05-01), Anderson
patent: 3385553 (1968-05-01), Braun
patent: 3724982 (1973-04-01), Davis
patent: 4005166 (1977-01-01), Quick

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