Plastic article or earthenware shaping or treating: apparatus – Female mold and charger to supply fluent stock under... – With product ejector
Patent
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
Pavelko Thomas P.
Societe Nouvelle de Bouchons Plastiques S.N.B.P.
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