Integral skin cushion molding apparatus

Details Integral skin cushion molding apparatus Integral skin cushion molding apparatus

1976-09-27

1978-05-02

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...

425 89, 425DIG44, 425DIG60, 264 89, 264 90, B29C 1704

Patent

active

040872246

ABSTRACT:
A method and an apparatus are disclosed for vacuum or gauge pressure shaping of extensible sheet material in a mold, more particularly pre-shaping of a textile or plastic sheet or film used as an integral skin for a foam cushion, to effect uniform stretch of the sheet throughout its area notwithstanding substantial depth variation in surface contour of the final shaped sheet material.

REFERENCES:
patent: 3027596 (1962-04-01), Knowles
patent: 3179726 (1965-04-01), Perry
patent: 3231647 (1966-01-01), Oesterheld
patent: 3290418 (1966-12-01), Best
patent: 3336424 (1967-08-01), Cheney
patent: 3546740 (1970-12-01), Johnson

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