Press for producing shaped articles

Details Press for producing shaped articles Press for producing shaped articles

1977-09-28

1980-02-26

Drummond, Douglas J.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Presses or press platen structures, per se

100269A, B32B 3100, B30B 123

Patent

active

041904842

ABSTRACT:
The present invention provides a press to apply pressure to a three dimensional shaped article. The three dimensional shaped object generally has a greater length and width than the dimension to be pressed, and is, for example, a laminate. The press comprises (a) a first horizontal pressing plate and a second horizontal pressing plate facing each other with a nip therebetween; (b) a flexible hollow member disposed against the first horizontal pressing plate on the side opposite the nip, said flexible hollow member being a part of a closed system containing a pressure medium and a mechanism for regulating the pressure of the pressure medium; and (c) an inflexible support behind the flexible hollow member, whereby upon a change of the pressure of the pressure medium, said first horizontal pressing plate is caused to move relative to the second pressing plate.

REFERENCES:
patent: 2448314 (1948-08-01), Kavanagh
patent: 2634773 (1953-04-01), Weyant
patent: 2997083 (1961-08-01), Pfefer
patent: 3190215 (1965-06-01), Howard et al.

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