Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Presses or press platen structures – per se
Patent
1976-10-18
1978-03-21
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
040802434
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 said first horizontal pressing plate on the side opposite said nip, said flexible hollow member being a part of a closed system containing a pressure medium and means for regulating the pressure of said pressure medium; and (c) an inflexible support behind said flexible hollow member, whereby upon a change of the pressure of said pressure medium, said first horizontal pressing plate is caused to move relative to said second pressing plate.
REFERENCES:
patent: 1870517 (1932-08-01), Lacey
patent: 2634773 (1953-04-01), Weyant
patent: 2997083 (1961-08-01), Pfefer
patent: 3190215 (1965-06-01), Howard et al.
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