Apparatus for continuous vacuum forming

Details Apparatus for continuous vacuum forming Apparatus for continuous vacuum forming

1997-08-22

1999-05-25

Davis, Robert

Plastic article or earthenware shaping or treating: apparatus

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

Including shaping means comprising fluid pressure contacting...

264555, 425DIG44, B29C 4128

Patent

active

059068400

ABSTRACT:
An apparatus for continuous vacuum forming a material having a flexible patterned belt continuously rotatable with a flat support belt over a vacuum manifold. The flexible patterned belt includes apertures therein and the support belt includes perforations therein for drawing air therethrough. The material is drawn onto the flexible patterned belt for vacuum forming the material. The flat support belt provides improved stability of the flexible patterned belt and improved vacuum characteristics between the belts

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patent: 3966383 (1976-06-01), Bussey, Jr. et al.
patent: 3982868 (1976-09-01), Rinker
patent: 4004870 (1977-01-01), Guttinger et al.
patent: 4294540 (1981-10-01), Thettu
patent: 4532098 (1985-07-01), Campbell et al.
patent: 5004098 (1991-04-01), Marshall
patent: 5314325 (1994-05-01), Bosler

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