Porous die

Details Porous die Porous die

1987-12-22

1989-10-10

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Female mold and means to shape parison directly by internal...

With heating or cooling means

249 79, 249141, 425547, 425552, 425812, B29C 3938, B29C 4534

Patent

active

048728276

ABSTRACT:
A porous die includes a porous die body with a plurality of pores formed therein; a cooling chamber provided in direct contact with the back side of the porous die body in order to cool the porous die body; a device for supplying a coolant to the cooling chamber; and suction holes through which the cooling chamber is evacuated and the air and the coolant entering the cooling chamber are simultaneously sucked.

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patent: 4655280 (1987-04-01), Takahashi
patent: 4781555 (1988-11-01), Cook

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