Power press for the manufacture of profiled bodies

Details Power press for the manufacture of profiled bodies Power press for the manufacture of profiled bodies

1984-04-09

1988-10-04

Silbaugh, Jan H.

Plastic article or earthenware shaping or treating: apparatus

Preform reshaping or resizing means: or vulcanizing means...

Coacting shaping surfaces

249205, 425400, 425412, B28B 152

Patent

active

047753129

ABSTRACT:
A power press for manufacturing profiled bodies from a thermohardening bonding agent mixed with fibrous materials and utilizing at least two hot pressing steps, including an inner pressing tool part having a first surface, an outer pressing tool part having a second surface and engaging the inner pressing tool part wherein the first and second surfaces of the inner and outer pressing tool parts are shaped to correspond to the shape of the profiled body to be pressed, and a holding arrangement for holding the profiled body to be pressed fixed during at least two of the hot pressing steps so that the power press acts at the same place on the profiled body to be pressed during each one of the hot pressing steps and thus prevents damage to the profile body to be pressed caused by shrinkage occurring during at least one of the hot pressing steps.

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