Patents
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)
08/1988
08/30/1988US4766756 Continuous processing machine assembly for bending long rods or tubes
08/30/1988US4766754 Continuous process for bending long rods or tubes
08/23/1988US4765053 Wire strand stacker
08/18/1988DE3742311A1 Transfer bar for transfer presses
08/17/1988CN87105325A Device for separating and lifting piled sheet material
08/16/1988US4763506 Automatic tube bending machine
08/09/1988US4761986 Arrangement for transporting workpieces in multi-stage deformation presses
08/09/1988US4761980 Method of feeding material to hot forging machine
08/03/1988EP0277086A1 Method and apparatus for handling small-diameter tubes
07/1988
07/26/1988US4759485 Apparatus for advancing strip in rolling mills
07/26/1988US4759208 Device for the automatic transfer of workpieces on a multistage forming machine
07/14/1988DE3640447C1 Method and apparatus for punching and stacking
07/13/1988CN87107416A Robotized handling device and sheet metal bending system featuring same
07/06/1988EP0273557A2 Cup feed apparatus
07/05/1988US4755948 Bar materials gathering control system
07/05/1988US4754863 Workpiece conveyor
07/05/1988CA1238775A1 Multiple processing machine
06/1988
06/28/1988US4753381 Stock feed apparatus
06/28/1988US4753103 Arrangement for the feeding of sheet-metal blanks to the drawing stage of a transfer press
06/28/1988US4753102 Arrangement for coupling and decoupling gripper rail partial sections of a transfer press
06/23/1988DE3722250A1 Mechanical three-dimensional drive for feed bars on transfer presses
06/21/1988CA1238298A1 Installation comprising automatic machine tooling and sorting apparatus
06/14/1988US4750660 Sheet guide positioning apparatus
06/14/1988US4750348 Transfer press slide finger opening mechanism
06/08/1988EP0270493A2 Angle shears
05/1988
05/24/1988CA1237159A1 Telescoping parts manipulator
05/19/1988DE3639480A1 Centring and canting device
05/19/1988DE3637713A1 Positioning fixture for plate-shaped or bar-shaped workpieces in machine tools
05/18/1988EP0267505A2 Machine for moving work pieces and the like
05/18/1988EP0267357A1 Method and apparatus for storing coils of a tape-like wound material and for feeding said material to a machine tool
05/18/1988CN87104912A Method and apparatus for orientating can ends
05/10/1988CA1236496A1 Apparatus for transferring relatively flat objects
05/05/1988DE3637357A1 Mechanical press
05/05/1988DE3637356A1 Feeding and holding tongs used in wire or strip pressing machine - has both sets of tongs operated by common drive to open and close and to adjust to different material thicknesses
05/05/1988DE3637087A1 Device for preventing overloading in a multi-stage press
05/05/1988DE3636785A1 Method and cooling bed for separating and extracting short lengths of rolling stock
05/04/1988EP0266290A1 Apparatus and method for feeding a cutting machine
05/03/1988US4741196 Air conveyor and method for removing parts from a high speed forming press
05/03/1988US4741195 Apparatus for clamping and unclamping feed bars for a transfer press
04/1988
04/28/1988DE3636010A1 Coupling device in gripper rails of transfer press - comprises lock bolt and anchor effective prior to separation of rails
04/27/1988EP0264732A2 Device and method for coupling and uncoupling gripper bars in a transfer press
04/26/1988US4739642 Tube forming apparatus
04/14/1988DE3634255A1 Device for positioning workpieces
04/07/1988WO1988002286A1 Method and device for moving a tool to exact shaping or working engagement with a strip of material having a repeated basic shape
04/06/1988EP0262442A2 Device for sorting and transporting sheet metal blanks
04/05/1988US4735303 Transfer apparatus
04/05/1988US4735079 Method and apparatus for the mechanical manipulation of metal sheets, particularly for folding operations
03/1988
03/30/1988EP0262106A2 Method and device for moving a tool to exact shaping and working engagement with a strip of material having a repeated basic shape
03/24/1988WO1988001914A1 Apparatus and method for improving hot strip mill processing
03/24/1988DE3730132A1 Sheet-metal conveying apparatus
03/24/1988DE3629088C1 Optoelectronic workpiece position monitoring in the work stations of a press
03/22/1988US4732376 Blank conveying apparatus
03/22/1988US4732066 Device to feed bars
03/16/1988EP0259892A2 Workload regulator for automated production
03/15/1988US4730825 Installation for feeding sheet metal blanks to a first working stage of a multi-stage press
03/15/1988US4730477 Workpiece feeding-ejection mechanism
03/10/1988DE3628868A1 Device for guiding sheet-metal parts in a machine tool
03/09/1988EP0258970A2 Method and apparatus for orientating can ends
03/08/1988CA1233623A1 Apparatus for the handling of metal sheets
03/02/1988EP0258209A2 Device for punching sheet metal
03/01/1988US4728766 Welding machine for welding tongues onto sheet-metal parts
03/01/1988US4728253 Apparatus for advancing and returning feed bars for a transfer press
02/1988
02/24/1988EP0256957A1 Numerically-controlled plate shears
02/24/1988EP0256112A1 Short stroke transfer press with automated feed mechanism.
02/03/1988EP0255507A2 Device for straightening and feeding hot-rolled wires with a natural hardness to a user
02/03/1988EP0255040A1 Separating and lifting devie for stacked-up flat elements
02/02/1988CA1232182A1 Apparatus for straightening and severing rod-like materials
01/1988
01/20/1988EP0253205A2 Device for intermittent feed of strip with two opposed driven feeding rollers
01/13/1988EP0252084A1 Fabrication system for the automatic working of metal workpieces.
01/12/1988US4718589 Stock material feed mechanism
01/07/1988EP0250803A2 Manipulator for sheet metal pieces which are to be shaped in a sheet metal working machine
01/05/1988US4716800 Installation for correctly stacking blanks
12/1987
12/29/1987US4715775 180 degree inverting machine
12/22/1987US4713961 Transfer press
12/17/1987DE3620007A1 Device for positioning a pile of blanks on a feed device for forming machines
12/16/1987EP0249258A1 Apparatus for cutting sheetlike material
12/01/1987US4710088 Magazine for stacking sheet-metal members
12/01/1987US4709605 Method of working sheet material workpieces by a sheet material working machine tool
11/1987
11/26/1987DE3617065A1 Device for fixing a reduction ring on a shaft for a solid-stock forming press
11/24/1987US4708573 Apparatus for the handling of metal sheets
11/24/1987US4708043 Adjustable cam indexing feed apparatus
11/19/1987EP0245694A1 Transporting equipment for work pieces in multistage forming presses
11/17/1987US4706491 Process and apparatus for precision folding of sheet metal
11/12/1987DE3714898A1 Verfahren und vorrichtung zum herstellen von ausnehmungen auf der begehseite der tragstaebe eines gitterrostes A method and apparatus for producing recesses on the begehseite the tragstaebe a grating
11/12/1987DE3640071A1 Apparatus for adjusting the longitudinal feed motion of the feed bars of a transfer press
11/10/1987US4705158 Cup feed apparatus
11/10/1987US4704890 Press tool provided with a system for guiding and relieving a metal strip
11/10/1987US4704889 Procedure and device to feed a multiple-feed straightening machine automatically downstream of a cooling plate
11/03/1987US4704184 Apparatus in the form of a die assembly for building a laminated core
11/03/1987US4703925 Semi-rigid sheet separation device and method
11/03/1987US4703678 Blanking shear machine
10/1987
10/28/1987EP0242588A2 Transporting and classifying device for a part of computer controlled angle shears
10/27/1987US4702363 Combination electric and mechanical servo drive clutch
10/27/1987CA1228657A1 Fault detection system for continuously running transfer press
10/27/1987CA1228614A1 Apparatus for performing operations on strip material
10/20/1987US4700907 Stock advancing apparatus with control arm damping
10/20/1987US4700599 Apparatus for removing and stacking of sheet metal strips cut by a plate shear
10/13/1987US4699412 Lifting apparatus
10/06/1987US4697688 Transfer mechanisms for circular transfer press
10/06/1987US4697449 Shiftable workpiece gripper for a multi-stage press