Injection molding

Plastic article or earthenware shaping or treating: apparatus – With means to gather excess or rejected stock material – Dynamic gatherer

Patent

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Details

264DIG83, 425557, 425564, 425817R, B29F 110

Patent

active

040788750

ABSTRACT:
Process and apparatus for injection molding plastic to provide a foamed core with an unfoamed outer skin.

REFERENCES:
patent: 3819313 (1974-06-01), Josephsen et al.
patent: 3947175 (1976-03-01), Melcher
patent: 3960996 (1976-06-01), Baleuski et al.

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