Holding device for surface sheets or plates in a press

Details Holding device for surface sheets or plates in a press Holding device for surface sheets or plates in a press

1979-01-30

1981-01-27

Hoag, W. E.

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For press shaping surface

425338, 425405R, 425411, 425DIG60, 425DIG119, B30B 702, B30B 1506

Patent

active

042472741

ABSTRACT:
A holding device for surface sheets or surface plates in a press intended, for example for pressing wood fiber products, include a press plate, a vacuum source for supplying vacuum to the side of a surface sheet or surface plate which faces toward the press plate, a vacuum distributing body placed between the press plate and the surface sheet, and a seal which is arranged to provide sealing between the present plate and the surface sheet. A substantially air-impervious sheet is disposed between the press plate and the surface sheet to form two essentially closed spaces coupled in air communication with the vacuum. This arrangement permits independent removal of the surface sheets from the press plates.

REFERENCES:
patent: 3081488 (1963-03-01), Casavina et al.

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