| Patents for B21D 43 - Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices (11,526) |
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| 10/02/1991 | EP0449220A1 Method of creating a registered pattern on a metal coil and associated apparatus |
| 09/24/1991 | US5050856 Machine and method for slowing down a series of iron sheets traveling in close succession after each other along a production line |
| 09/24/1991 | CA1289457C Punch press transfer mechanism |
| 09/24/1991 | CA1289407C Duct mounting structure for prefabricated curtain wall with air conditioning system |
| 09/19/1991 | WO1991013705A1 Panel bender |
| 09/18/1991 | EP0446650A1 Collection and discharge bench |
| 09/17/1991 | US5048816 Workpiece registration system and method for determining the position of a sheet |
| 09/17/1991 | US5048412 Apparatus for processing semiconductor packages and the like |
| 09/17/1991 | US5048410 Apparatus for securely clamping a transmission shaft of a transfer feed press during its shutdown |
| 09/17/1991 | US5048318 Intermediate depositing station between machining stages of a press |
| 09/16/1991 | CA2038311A1 Collection and discharge bench |
| 09/11/1991 | EP0445311A1 A bar bundling plant with transfer improved system |
| 09/10/1991 | US5046916 Handling apparatus |
| 09/04/1991 | CN1054205A No-twist slit-rolling approach ("nta") apparatus and method for manufacturing steel reinforcing rod |
| 08/28/1991 | CN1054049A Apparatus for towing and guiding long articles |
| 08/27/1991 | US5042351 Feeding apparatus for a machine for feeding and cutting sheet materials |
| 08/27/1991 | US5042287 Manipulator device for a bending machine and a method for changing the position of the workpiece in a bending process |
| 08/22/1991 | DE4005240A1 Brake for winding winches - has brake disc and associated ring piston and support plate |
| 08/21/1991 | EP0442037A1 Device to draw-off or guide long items |
| 08/21/1991 | EP0426707A4 System for transferring workpieces through a series of work stations |
| 08/21/1991 | CN2083082U Driving automatic punch press |
| 08/20/1991 | US5040440 Rotary shear |
| 08/14/1991 | DE4101513A1 Support rails for grippers for transfer press - has elements to adjust distance between rails |
| 08/14/1991 | DE4003717A1 Side guidance for rolled strip material - pushing guides in controlled manner against edges of strip material |
| 08/13/1991 | US5039084 Arrangement for stacking blanks |
| 08/13/1991 | US5038920 Lightweight high speed transfer |
| 08/07/1991 | EP0430942A4 Contouring of metal sheets |
| 08/06/1991 | US5037665 Printing stamping; coining; precise control; packaging; doors |
| 08/06/1991 | US5036736 Method and apparatus for mar free handling of sheet steel |
| 08/01/1991 | DE4002324A1 Stacked metal sheet lifter - has edge suction units and inner spring on carrier to bend top sheet to break adhesion |
| 07/31/1991 | EP0438854A2 A press |
| 07/31/1991 | EP0438853A1 Forming press for semiconductor package leads |
| 07/31/1991 | EP0438829A2 Method of producing a plate-shaped product comprising positioning a component which is connected to or forms part of a plate, and also device suitable for carrying out the method and plate-shaped product which can be manufactured according to the method |
| 07/31/1991 | EP0438609A1 Process and arrangement for welding steel sheets one against the other using a laser beam welding process |
| 07/30/1991 | US5035566 Automatic change of fingers of the single arm bending robot |
| 07/30/1991 | US5035134 Indexing conveyor for a transfer die system |
| 07/24/1991 | EP0438106A1 Method and apparatus for making & transferring shells for cans |
| 07/23/1991 | US5033610 Process for the support of rod-shaped workpieces |
| 07/23/1991 | US5033344 Pipe cutting apparatus |
| 07/23/1991 | US5033342 Roll type stock feed apparatus for a punch press |
| 07/16/1991 | US5031892 Apparatus for removing blanks from a pile and conveying them onwards |
| 07/16/1991 | US5031440 Apparatus for forming long plate member |
| 07/11/1991 | WO1991009696A1 A method of positioning a metal sheet for a sheetmetal working machine |
| 07/11/1991 | WO1991009695A1 A device for manipulating sheet metal pieces |
| 07/03/1991 | EP0435417A1 Workpiece transfer apparatus |
| 07/02/1991 | US5027866 Forming press for semiconductor package leads |
| 06/27/1991 | WO1991008972A1 Method and device for stacking semifinished cylindrical metal products |
| 06/27/1991 | WO1991008869A1 Device for control of a robot manipulator for a metal sheet bending installation |
| 06/26/1991 | EP0434632A2 Equipment and method for controlling the operation of a line of machines, particularly presses |
| 06/26/1991 | EP0434096A2 Device for stacking moulded articles |
| 06/25/1991 | US5026336 Apparatus for controlling the feed of an intermittent web feeding apparatus |
| 06/25/1991 | US5025651 Movable shears upstream of a bending assembly and method to bend the trailing end of bars |
| 06/19/1991 | EP0432446A2 Feeder on a press or like metal-forming machine tool |
| 06/19/1991 | EP0432373A1 Device for feeding a strip material step by step |
| 06/18/1991 | CA1285006C Feed device, particularly for can bodies |
| 06/13/1991 | WO1991008067A1 A device for transferring a workpiece |
| 06/12/1991 | EP0430942A1 Contouring of metal sheets |
| 06/12/1991 | CN1052067A Reciprocating drive mechanism for forging machinery |
| 06/06/1991 | DE3939563A1 Delivering hollow sections to work-station - involves gripper mounted on horizontal slide |
| 05/29/1991 | EP0428780A1 Punch press with correction value input for the penetration depth and the feed length |
| 05/29/1991 | DE4037031A1 Multiple tube cutting machine - has mandrels to support tubes before tube clamps are tightened |
| 05/28/1991 | US5018939 Apparatus for separating iron sheets |
| 05/22/1991 | CN2077336U Device for piling sheets |
| 05/21/1991 | US5017792 Method and apparatus for detecting a sheet strip material misfeed condition |
| 05/21/1991 | US5017083 Apparatus for loading and/or unloading industrial presses |
| 05/21/1991 | US5016506 Method for multidirectional sheet feeding |
| 05/15/1991 | EP0427374A1 Pivoting transfer unit mount for a stamping press |
| 05/15/1991 | EP0427215A2 Notching apparatus |
| 05/15/1991 | EP0426707A1 System for transferring workpieces through a series of work stations. |
| 05/14/1991 | US5015149 Apparatus for moving inserters for workpieces |
| 05/09/1991 | CA2018748A1 Pivoting transfer unit mount for a stamping press |
| 05/08/1991 | EP0426259A2 Apparatus for conveying and depositing articles |
| 05/08/1991 | EP0425881A1 Machine tool |
| 05/08/1991 | CN2076460U Automatic feeder for punching machine |
| 05/07/1991 | US5013210 Workpiece transfer apparatus with folding arms |
| 05/07/1991 | US5012665 Press installation having several presses for the working of sheet-metal parts |
| 05/07/1991 | CA1283882C Conveyor device for can bodies in a can welding machine |
| 05/07/1991 | CA1283871C Combination electric and mechanical servo drive clutch |
| 05/02/1991 | WO1991005626A1 Shearing of metal plate |
| 04/30/1991 | US5011365 Apparatus for feeding bundles of laminations |
| 04/25/1991 | DE4032894A1 Work part deposition face in transfer press empty stage |
| 04/24/1991 | EP0423749A1 Stacker for work pieces in progressive presses |
| 04/18/1991 | DE3934119A1 Stacker for thin metal plates coming from press - consists of base and top frame with struts at corners, and stop piece |
| 04/17/1991 | EP0422517A1 Table stop for punching machine |
| 04/17/1991 | CN2075114U Motor piece punching die with positioning pin |
| 04/10/1991 | EP0421575A1 Adjustable guide for rotating cylindrical member |
| 04/09/1991 | US5006028 Cam lift and carry parts transfer apparatus |
| 04/09/1991 | US5005692 Tube feed apparatus |
| 04/09/1991 | US5005394 Programming system for the single arm bending robot |
| 04/09/1991 | US5005274 Mounting device with transfer means for advancing tubular sleeves between different work stations |
| 04/04/1991 | WO1991004116A1 Control device for work feeder |
| 04/03/1991 | EP0420820A1 Process and device for drawing wire into a cutting device of a forming press |
| 04/02/1991 | US5003808 System for transferring workpieces through a series of work stations |
| 04/02/1991 | CA1282366C Method and apparatus for orientating can ends |
| 03/27/1991 | EP0419441A1 Apparatus for bending concrete reinforcing bars |
| 03/27/1991 | EP0418638A2 Intermediate storage between operation steps of a press |
| 03/26/1991 | US5001921 Transfer device in a transfer press or similar metal-forming machine |
| 03/26/1991 | US5001915 Method for improving hot strip mill processing |
| 03/21/1991 | WO1991004113A1 Device for bending steel rods into concrete reinforcing irons |
| 03/21/1991 | CA2042021A1 Device for bending steel rods into concrete reinforcing irons |