| Patents for B30B 1 - Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen (6,613) |
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| 05/01/1990 | US4920783 Hydraulic press |
| 05/01/1990 | US4920782 Press drive |
| 04/26/1990 | DE3835696A1 Portable press for producing compression joints |
| 04/25/1990 | EP0364715A1 Device for adjusting the stroke of a press ram of a punching machine |
| 04/25/1990 | EP0364607A1 Method for automatically adjusting die thickness in toggle type lock |
| 04/19/1990 | WO1990003736A1 A meat press |
| 04/17/1990 | US4917588 Press for molding articles from powdered materials and drive means therefor |
| 04/17/1990 | US4916932 Force multiplying press |
| 04/10/1990 | US4914977 Stroke control device for use in press |
| 04/03/1990 | US4913272 Spindle press |
| 04/03/1990 | CA1267376A1 Apparatus for clamping and unclamping feed bars for a transfer press |
| 04/03/1990 | CA1267327A1 Press with a controlled pressure system |
| 03/27/1990 | CA1267001A1 Dynamic balancing device for press |
| 03/21/1990 | EP0358770A1 Electric powder molding machine |
| 03/21/1990 | CN2054743U 高能螺旋压力机 Energy screw press |
| 03/20/1990 | US4909719 Heated platen press of window frame-like construction |
| 03/20/1990 | US4909061 For deforming blanks |
| 03/13/1990 | US4907959 Hydraulic press having integrated column clamps and actuators |
| 03/08/1990 | WO1990002033A1 Toggle type mold clamping apparatus for electric injection molding machine |
| 03/07/1990 | EP0356809A1 Stroke adjustment apparatus for a punch press |
| 03/07/1990 | EP0356564A1 Mechanical press with double crank drive |
| 03/06/1990 | US4905588 Multi-member super-high generating press with integral pulsator-type hydraulic fluid pressure circuits |
| 03/06/1990 | US4905556 Blanking press |
| 02/28/1990 | EP0183648B1 Press for processing work pieces made from metal |
| 02/27/1990 | US4903881 Portable fastener setting press |
| 02/27/1990 | US4903560 Punching devices |
| 02/21/1990 | EP0354911A1 Hydraulic press having integrated column clamps and actuators. |
| 02/13/1990 | US4899616 Press with stroke control device |
| 02/07/1990 | EP0354152A2 Improved programmable magnetic repulsion punching apparatus |
| 02/07/1990 | CN1039365A Shearing-crushing sponge titanium and the proper equipment thereof |
| 02/06/1990 | US4898044 Cam-driven linear actuator apparatus |
| 01/30/1990 | US4897006 Device for exerting a pressure developing in stages on a part |
| 01/30/1990 | CA1264980A1 Haudraulic, pneumatic, pneumatic/hydraulic or combined pneumatic/explosion press |
| 01/24/1990 | CN1038982A Method of increasing transport capacity of vehicle by means of hydraulic |
| 01/02/1990 | US4890998 Press for manufacture of dimensionally stable articles from powdered material |
| 01/02/1990 | US4890476 Precision plate bending machine having a play removing device |
| 01/02/1990 | US4890475 Prestressed hydraulic press |
| 12/27/1989 | CN2049998U Cross frame type hot pressing machine |
| 12/13/1989 | CN1037862A 偏心阶梯轴的楔横轧工艺 Wedge rolling process eccentric shaft ladder |
| 12/06/1989 | EP0344673A2 Mechanical low-noise press, particularly of the screw type |
| 12/06/1989 | CN2048821U 螺旋压力机 Screw Press |
| 12/05/1989 | US4884433 Press apparatus for small precision part |
| 11/21/1989 | US4881399 Double-action screw press |
| 11/09/1989 | DE3814318A1 Press for producing articles from plastics |
| 11/08/1989 | CN2047216U Energy-saving press of single pump system |
| 11/02/1989 | WO1989010250A1 Method for automatically adjusting die thickness in toggle type lock |
| 11/02/1989 | EP0339247A1 Hydraulic steering device for the drive control of a double-acting hydraulic cylinder |
| 10/31/1989 | US4876878 Press with hydro-mechanical drive |
| 10/17/1989 | US4873923 Hydraulic press platon support |
| 10/17/1989 | US4873912 Hydraulic driving arrangement |
| 10/10/1989 | US4872381 Programmable magnetic repulsion punching apparatus |
| 10/03/1989 | CA1262072A1 Press with adjustable platen spacing |
| 09/28/1989 | DE3808344A1 Column press for large eccentric loads and dampening of the cutting shock |
| 09/26/1989 | CA1260438A1 Apparatus for attaching fasteners to web-like materials |
| 09/20/1989 | EP0333052A2 Drawing apparatus for shaping sheet metal blanks |
| 09/13/1989 | EP0332420A2 A hydraulic press |
| 08/15/1989 | US4857135 Composite board press |
| 08/10/1989 | DE3802266A1 Press |
| 08/09/1989 | EP0326980A2 Hydraulic press |
| 08/09/1989 | EP0326868A2 Hydraulic press |
| 08/08/1989 | US4855011 Isostatic self-contained bond or mold tool |
| 08/02/1989 | EP0325795A1 Eccentricity control device |
| 08/02/1989 | CN2042009U Elastic-screw pressing machine |
| 08/01/1989 | US4852382 Die stamping and punching tool |
| 07/27/1989 | WO1989006597A1 Electric powder molding machine |
| 07/27/1989 | DE3841852A1 Drive arrangement for a screw press |
| 07/25/1989 | US4850272 Articulated-lever cutting and forming press |
| 07/25/1989 | US4850215 Stroke limiting means for friction clutch pressure piston in a screw press |
| 07/11/1989 | US4846014 Crankshaft mechanism having a variable stroke and a press employing said mechanism |
| 07/05/1989 | EP0322884A2 Stroke control device for use in press |
| 07/05/1989 | EP0322883A1 Press with stroke control device |
| 07/05/1989 | CN1004684B Powder molding press |
| 06/21/1989 | EP0320667A2 Embossing machine for making weakening marks on a material shaped like a sheet or card |
| 06/15/1989 | DE3803747C1 Hydraulic cuvette press |
| 06/15/1989 | DE3803746C1 Hydraulic cuvette press |
| 05/24/1989 | EP0316475A1 Press, in particular for making dimensionally stable pressed articles from powdery materials |
| 05/11/1989 | DE3736353A1 Long-stroke eccentric press |
| 04/27/1989 | DE3734551A1 Screw press |
| 04/26/1989 | CN2036483U Automatic hot-press for plastic gloves |
| 04/25/1989 | US4823658 Punch presses |
| 04/13/1989 | DE3732646A1 Eccentric press with stroke adjustment |
| 04/11/1989 | US4819555 Press with adjustable platen spacing |
| 04/11/1989 | US4819474 Metal forming machine having a stroke position adjusting assembly |
| 04/06/1989 | WO1989002986A1 Hydraulic actuator or machine element |
| 04/04/1989 | US4817456 Dynamic balancing device for press |
| 03/29/1989 | EP0308857A2 Punching device |
| 03/22/1989 | EP0308291A1 Device for exerting a variable pressure on an item by means of a bearing |
| 03/22/1989 | EP0243407A4 Improvements to punch presses. |
| 03/14/1989 | US4812984 Method and device for measuring the cutting forces and limiting overloads of the cutting force in a platen press |
| 03/14/1989 | US4811622 Force multiplier |
| 03/14/1989 | CA1251092A1 Hydraulic press |
| 03/09/1989 | WO1989001859A1 Method and press for the manufacture of shell-formed objects |
| 03/08/1989 | EP0305566A1 Press, in particular for making dimensionally stable pressed articles from powdery materials |
| 03/08/1989 | EP0164419B1 Mold clamping apparatus |
| 03/08/1989 | CN1031505A Vertical strengthened thermal spinning press |
| 03/07/1989 | US4809535 Hydraulic press and process for molding or forming an article including incrementally variable positioned slide |
| 03/07/1989 | CA1250781A1 Hydraulic press |
| 03/01/1989 | EP0304905A2 Hydraulic press |
| 03/01/1989 | CN2033337U Automatic take-out of article punch with slipping blower die holder |
| 02/16/1989 | DE3725731A1 Combined guide and clamping element for use in press - includes friction bodies matching clamping faces |