Plastic article or earthenware shaping or treating: apparatus – Preform reshaping or resizing means: or vulcanizing means... – Including shaping means comprising fluid pressure contacting...
Patent
1977-01-07
1978-07-11
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...
425193, 4254519, 425DIG48, B29C 1704
Patent
active
040999017
ABSTRACT:
A table for use in plastic forming machines, the table including a plurality of upstanding tubular support members arranged in a predetermined pattern, a plurality of alternately usable platform members, each such platform member being of a different size to support different vacuum molds and each being mountable on upstanding tubular supports at selected positions on the table. A plastic material clamping frame having readily adjustable side elements for varying the size of the clamping frame is arranged to be selectively positionable, at all variable sizes thereof, to thereby hold the edges of a sheet of plastic material along and beneath the edges of different vacuum forming molds mounted on a platform member supported by the tubular support members at the selected positions thereof.
REFERENCES:
patent: 2836852 (1958-06-01), Bulzko
patent: 3599959 (1971-08-01), Asenbauer
patent: 3661486 (1972-05-01), McDonald
patent: 3841819 (1974-10-01), Diamond
patent: 3960471 (1976-06-01), Medendorp
patent: 4009981 (1977-03-01), Rosen
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