Method for manufacturing foamed plastics
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United States of America Patent
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-
Jul 14, 1987
Grant Date -
N/A
app pub date -
Jul 30, 1985
filing date -
Jan 31, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for manufacturing a predetermined shape of molded plastics, comprising the steps of introducing a foamable shell forming material in molding dies, introducing a hard core forming material having a foaming agent on the shell forming material, clamping the molding dies together, and heating both the material located in the molding dies by an induction heating.
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