Vacuum forming apparatus

Details Vacuum forming apparatus Vacuum forming apparatus

1976-06-28

1978-10-31

Spicer, Jr., Robert L.

Plastic article or earthenware shaping or treating: apparatus

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

Including shaping means comprising fluid pressure contacting...

425DIG60, 264 90, B29C 1704

Patent

active

041232151

ABSTRACT:
A forming mold of double wall structure is provided which while having a reduced wall thickness, undergoes little or no deformation upon forming. A vacuum forming method employing the novel mold is also disclosed.

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