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)
09/1994
09/06/1994US5343730 For processing metallic portions sheared off from a wire
09/06/1994US5343727 Panel bender
08/1994
08/30/1994US5342161 Holder changer
08/25/1994DE4304902A1 Feeding device for stepwise material and/or workpiece transport to or in production machines, such as drawing presses
08/17/1994EP0611060A1 Adjustable conveyor pulley drum
08/17/1994CN1090799A Can forming apparatus
08/16/1994US5337594 Arrangement at press line
08/04/1994WO1994016840A1 Transfer feeder
08/03/1994EP0609066A1 Apparatus for continuously forcing an elongate and extrusile raw material into an extrusion pressure vessel
08/02/1994US5333482 Method and apparatus for flattening portions of a corrugated plate
07/1994
07/30/1994CA2114453A1 Apparatus for continuously forcing an elongate and extrusile raw material into an extrusion pressure vessel
07/27/1994EP0491948B1 Control device for work feeder
07/27/1994CN2172695Y Safety magnetic hand
07/26/1994CA2020728C Adjustable guide for rotating cylindrical member
07/21/1994DE4300876A1 Producing precision components by stamping stages
07/20/1994CN2172171Y Three leading screw transmission gearing realizing fastening mechanism in synchronous level motion
07/20/1994CN2172170Y Four leading screw transmission gearing realizing fastening mechanism in synchronous level motion
07/19/1994US5329800 Conversion system having conveyor slide assembly for multiple belts
07/14/1994DE4300571A1 Mechanism for opening spent oil filter boxes
07/14/1994DE4300311A1 Deforming rod-shaped components in several steps
07/12/1994US5327768 Apparatus for mounting finger for transfer feeder
07/06/1994EP0604679A1 Transfer driver device for pressing machine
07/05/1994US5326085 Device for supporting slabs during the phases of punching and in general operations of plastic deformation
06/1994
06/29/1994EP0603366A1 Assembly line for producing steel coffers for ceiling and/wall constructions from sheet metal plates
06/23/1994DE4339398A1 Turning unit for assembly of transformer core-plates - includes height setting elements for supporting the plates during their orientation process
06/23/1994DE4243019A1 Method and appts. for producing a stack of plates for arc-quench chamber
06/16/1994DE4338981A1 Magnetic plates stacking appts for mfr. of transformer iron cores - brings guide rods into engagement with guide holes to align each plate in predetermined position
06/15/1994EP0601425A1 Rack for supporting preferably vertically stacked articles
06/08/1994EP0600254A1 Press with transfer arrangement for metal sheets
06/07/1994US5317892 Metal forming machine, contactless sensor coupling therefor
05/1994
05/31/1994US5317516 Production method and system for handling plates cut out of a plate blank for further production
05/31/1994CA2020284C Apparatus for removing blanks from a pile and conveying them onwards
05/18/1994EP0597387A1 Press with transfer arrangement for metal sheets
05/18/1994EP0597386A1 Arrangement for transferring metal sheets in a press plant
05/17/1994US5311799 Process and apparatus for cutting stacked sheet-like material in more than one direction with a single cutting knife
05/11/1994WO1994009950A1 Double arm robot operating method
05/11/1994WO1994009927A1 Method and apparatus for flattening portions of a corrugated plate
05/11/1994EP0596489A1 Transfer press or like machine tool
05/11/1994DE4237825A1 Press or punch for flat material esp. metal plate - has positioning arrangement with carriage having transverse guide on which placing rail can travel
05/11/1994CA2123510A1 Method and apparatus for flattening portions of a corrugated plate
05/10/1994US5310105 For measuring the movement of a continuous stock material strip
05/10/1994US5309746 Automatic tube straightening system
05/03/1994US5307666 Transfer system
05/03/1994US5307618 Indexing apparatus for a track press
05/03/1994CA1329224C Method and apparatus for stacking laminas
04/1994
04/28/1994WO1994008740A1 Method and machine for producing details from a sheet of metal
04/28/1994CA2145417A1 Method and machine for producing details from a sheet of metal
04/21/1994DE4234997A1 Gripper rail coupling for press tool change - has clamping lever swivelled to longitudinal axis by longitudinal motion of inner slider with actuation of exchange rail after abutment with bolt
04/21/1994DE4234618A1 Method of stacking steel mats and reinforcing lattices - involves controlled placement of mats by deposition device travelling in longitudinal direction and having same dimensions as mat
04/19/1994US5303621 Clamping device for a defined clamping of workpieces
04/12/1994USRE34581 Punch press transfer mechanism
04/12/1994US5301535 Arrangement for changing the lever ratio of a two-armed rocker lever
04/06/1994EP0590358A1 Large transfer press for working sheet metal in several processing steps
03/1994
03/31/1994WO1994001234A3 Assembly line for producing steel coffers for ceiling and/wall constructions from sheet metal plates
03/30/1994EP0589203A2 Can forming apparatus
03/24/1994DE4309038C1 Chute for stacking of single rolled sheets - has motor-driven ramp with roller conveyors, and movable stops to align sheets
03/23/1994EP0587842A1 Bending machine for simultaneously bending two individual wires superposed over each other
03/16/1994CN2158758Y Automatic feeding machine for pressing
03/09/1994EP0585576A1 Punching machine
03/03/1994WO1994004347A1 A method of and apparatus for high-speed sheet calendering
03/02/1994CN2157841Y Profiling guiding device for coordinate punching & shearing system of machine tool
02/1994
02/17/1994DE4226701A1 Feed unit with rolls - with a link connection between the rolls and a drive shaft controlling the feed stroke
02/15/1994US5287433 Device for control of a robot manipulator for a metal sheet bending installation
02/09/1994EP0582436A1 Apparatus for cleaning strips before press forming, having de-oiling rolls and tacky rolls to remove oil and foreign matters
02/09/1994EP0582093A1 Blank feeding device for a press
02/03/1994DE4225108A1 Pipe bending press for hollow profiles with varying bending radii and cross=sections - has automatically exchangeable clamp jaws and bending tools in revolving magazines and has tool change device
02/02/1994EP0581045A1 Feed device for strip or bar material
02/02/1994EP0581008A2 Press installation
02/01/1994CA1326691C Overhead magnetic blank unloading conveyor
01/1994
01/20/1994WO1994001234A2 Assembly line for producing steel coffers for ceiling and/wall constructions from sheet metal plates
01/20/1994DE4223422A1 Appts. for openable connection between gripper rail components in a transfer press - with a shortened stroke of the clamping unit
01/20/1994DE4223421A1 Appts. for openable connection between gripper rail components in a transfer press - with axially displaceable claws engaging with a grooved pin with the functional parts protected against damage
01/19/1994EP0579593A1 Device for fabricating spacing frames out of hollow section strips for insulating glass panes
01/19/1994EP0578928A1 Feeding device for transporting step-by-step material and/or workpieces at intermittently working production machines
01/13/1994DE4222612A1 Semifinished flat bedplate feeding machine for transferring to press - uses carriages slidable on guide rails in transporting direction and coupled to press drive by cam gears
01/05/1994EP0576928A1 Press installation with longitudinal bolsters
01/05/1994EP0576927A1 Press apparatus with outer and inner slides
01/05/1994EP0576823A1 Unit for feeding semifinished parts to a forming machine, particularly a press
01/05/1994EP0576676A1 Apparatus for carrying materials and products into and out from working machine
01/05/1994DE4221144A1 Sheet forming press with multiple rams - having connecting rod centres aligned with the rods
01/04/1994US5275096 Apparatus for high speed calendering
01/04/1994CA1325816C System for removing press-formed parts
12/1993
12/29/1993EP0575827A1 Compliance apparatus and methods for gripping and transporting workpiece sheets such as appliance door blanks to be formed to and from a properly aligned forming position at a work station
12/29/1993EP0575615A1 Transfer feeder crossbar automatic exchange system and control system therefor
12/29/1993EP0401355B1 Sprocket-type strip feed
12/29/1993CN2150940Y Automatic feeding unit for semi-product on ram pressure
12/22/1993EP0574670A1 Method and device for forming metal sheets into can bodies and for feeding them to a welding station
12/22/1993EP0574397A1 A device for transferring a work piece from a first machine to a second machine.
12/22/1993CN1079682A Method and apparatus for shaping metal sheets into can bodies and feeding the can bodies to a welding station
12/21/1993US5271140 Index-feed machining system
12/14/1993US5269168 Transfer feeder
12/07/1993US5267463 Automatic transfer apparatus for use in a forging press
12/01/1993EP0547190A4 Cross bar transfer press
11/1993
11/30/1993CA2097223A1 Unit for feeding semifinished parts to a forming machine, particularly a press
11/25/1993WO1993023321A1 Method and apparatus for destacking sheet metal members
11/25/1993WO1993023185A1 Method of cutting and stacking metal sheets
11/25/1993CA2135627A1 Method and apparatus for destacking sheet metal members
11/24/1993EP0570962A1 Work table for a punching machine
11/24/1993EP0570961A1 Work table for a punching machine
11/24/1993EP0570921A2 Manipulator for the accurate rotational and translational movement of sheet materials