Mould for making articles of expanded plastics material and mach

Details Mould for making articles of expanded plastics material and mach Mould for making articles of expanded plastics material and mach

1982-09-14

1984-01-31

Pavelko, Thomas P.

Plastic article or earthenware shaping or treating: apparatus

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

With product ejector

425562, 425567, 425576, B29F 103

Patent

active

044287259

ABSTRACT:
The present invention relates to a mould for making articles of expanded plastics material and to a machine adapted to receive such a mould. The mould according to the invention comprises a finned body whose central bore constitutes a cavity. The latter is closed in its lower part by a plunger while the top of this mould comprises a support provided with a guide in which a slide element moves longitudinally. The latter comprises a perforation intended for the injection of matter into the cavity, and a hole for ejection of the moulded piece after translation of the slide element.

REFERENCES:
patent: 2329287 (1943-09-01), Miller
patent: 2329288 (1943-09-01), Miller
patent: 2647283 (1953-08-01), Quear
patent: 2774104 (1956-12-01), Miller

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