Plastic article or earthenware shaping or treating: apparatus – Mold opening and closing means and segmented female mold – Varying pressure and/or speed closing
Patent
1985-01-28
1986-01-21
Flint, Jr., J. Howard
Plastic article or earthenware shaping or treating: apparatus
Mold opening and closing means and segmented female mold
Varying pressure and/or speed closing
4254519, 425590, 425585, 425406, B29F 100, B29C 300
Patent
active
045655170
ABSTRACT:
An hydraulic press for pressing plastic mats reinforced with glass fibers into formed parts, which press has a stationary and a slidable cross-piece as well as a press drive which drive for driving the slidable cross-piece has at least one adjusting cylinder with a stroke length corresponding to the working range of the press and at least two couplable press cylinders of short stroke wherein for coupling each press cylinder to the slidable cross-piece a coupling rod and a clamping means is provided, the press being distinguished in that in order to better accomodate incorporation of the press drive into an existing press, each press cylinder has a hollow lifting body through which an associated coupling rod is guided, and for coupling the lifting body to the associated coupling rod a clamping device is included on the lifting body.
REFERENCES:
patent: 3599289 (1971-08-01), Girola
patent: 3613171 (1971-10-01), Hehl
patent: 3687590 (1972-08-01), Cyriax
patent: 3830613 (1974-08-01), Aoki
patent: 3890081 (1975-06-01), Grundmann
patent: 4029457 (1977-06-01), Yamamoto
patent: 4174199 (1979-11-01), Benninghams
Brinkmann Dirk
Muller Wolfgang
Sauerwald Walter
Schmidts Klaus
Therolf Dieter
Flint, Jr. J. Howard
Hoesch Aktiengesellschaft
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