Plastic tile corrugator

Details Plastic tile corrugator Plastic tile corrugator

1981-11-23

1984-03-27

Lowe, James B.

Plastic article or earthenware shaping or treating: apparatus

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

Including shaping means comprising fluid pressure contacting...

264286, 425188, 4253261, 425392, 425396, B29C 1707

Patent

active

044391307

ABSTRACT:
A corrugator for receiving plastic from an extruder and continuously molding corrugated plastic tile therefrom. The corrugator has a plurality of mold assemblies which are continuously driven to roll about an endless trackway on the corrugator frame, a portion of which defines a molding section. Each mold assembly includes a pair of mold blocks mounted to pivotally open and close. As the mold assemblies enter the molding section, the mold blocks thereof pivotally close and come into abutting relationship with the closed mold blocks of preceeding mold assemblies to cooperatively form a corrugated molding tunnel. Extruded plastic is received by the molding tunnel which moves with and molds the corrugated tile. At the end of the molding section the mold blocks pivot away from and release the tile. To augment the formation the tile the mold blocks are cooled. Additionally a vacuum is induced between the extruded plastic and the wall of the molding tunnel to assure the mating thereof.

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