Pressure equalizing pad for heated plate presses

Details Pressure equalizing pad for heated plate presses Pressure equalizing pad for heated plate presses

1985-08-13

1986-09-16

Flint, Jr., J. Howard

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Presses or press platen structures, per se

425407, B29C 300

Patent

active

046120815

ABSTRACT:
A pressure equalizing pad for presses with heated plates for the production of compacts, laminates, etc. has a press stand with a movable ram. An upper pressure plate is attached to the ram and a bed-pressure plate is positioned on a press bed with a hydrostatic pressure pad thereon. The hydrostatic pressure pad includes a thin steel sheet floatingly maintained by an oil medium, a flexible edge seal between the steel sheet and the bed-pressure plate, as well as rings and gaskets to form the improved device.

REFERENCES:
patent: 1269060 (1918-06-01), Davenport
patent: 1326330 (1919-12-01), Edison
patent: 1576642 (1926-03-01), Bishop
patent: 3200442 (1965-08-01), Haller
patent: 3918875 (1975-11-01), Phillipson et al.
patent: 3932097 (1976-01-01), Press
patent: 3998580 (1976-12-01), Pffiffer
patent: 4018552 (1977-04-01), Prast et al.
patent: 4053276 (1977-10-01), Ahweiler et al.
patent: 4557792 (1985-12-01), Yamada et al.

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