Mold for shaping and curing reinforced plastic material

Details Mold for shaping and curing reinforced plastic material Mold for shaping and curing reinforced plastic material

1976-04-12

1978-01-17

Spicer, Jr., Robert L.

Plastic article or earthenware shaping or treating: apparatus

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

Coacting shaping surfaces

425412, 425445, 425812, 264322, B29C 1702

Patent

active

040690008

ABSTRACT:
A preform of oriented plastic coated fibers is shaped by closing of a mold on the preform. The mold contains a molding space having substantially the final shape of the finished product. A peripheral space is provided in the mold at the edges of the molding space permitting substantially unrestricted movement of the preform into the molding space during the closing operation and providing a space for the edges of the preform during curing. The mold has mating mold members and one of the mold members has sloped lead-in surfaces at the edges of the molding surface for facilitating the movement of the preform into the molding space without distortion of the oriented fibers. The shaping may be done with at least part of the mold being heated and the curing in the mold is accomplished by locking the mold members together and applying heat to the mold.

REFERENCES:
patent: 3988089 (1976-10-01), Hampshire

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