Insulation board for molding machine

Details Insulation board for molding machine Insulation board for molding machine

1991-12-06

1993-11-09

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Press forming apparatus having opposed press members

100211, 100258A, 428167, B41F 340, B29C 3500

Patent

active

052597520

ABSTRACT:
The insulation board as disclosed has a plurality of grooves suitably cut at right angles to each other. The grooves serve to reduce pressure variations transmitted by the molding press during the molding operation.

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