Patents for B21D 53 - Making other particular articles (18,517)
12/1994
12/22/1994DE4421134A1 Method for the production of a gilled heat exchanger
12/22/1994DE4319885A1 Method for the production of the outer part of a joint
12/18/1994WO1995000266A1 Band plate bending apparatus
12/14/1994EP0627997A1 High strength automotive seat frame and method
12/14/1994EP0627967A1 Method and apparatus for flattening portions of a corrugated plate
12/14/1994EP0377682B1 Process for manufacturing a thin edge orifice disc for fuel injectors
12/08/1994WO1994028367A1 Heat exchanger
12/08/1994WO1994027755A1 Method and apparatus for sizing multiple tubes
12/07/1994EP0627272A2 Multi-stage dual wall conduit hydroforming
12/07/1994EP0626890A1 Cold-forming of toothed wheels from sheet steel
12/06/1994US5369876 Apparatus for inserting U-shaped tubes in a heat exchanger core
12/01/1994DE4400257C1 Metal spinning method for the chipless production of a hub of a gearing component having the hub
11/1994
11/30/1994EP0626221A1 Apparatus for bending a band-shaped work
11/30/1994CN1095650A Method for working arc notch of brake fixing seat
11/30/1994CN1026763C Integratlly-shapping method for bicycle chain wheel
11/29/1994US5367758 Method for manufacturing slide fastener coupling elements
11/23/1994EP0625256A1 Refrigerant cooling assembly for centrifuges
11/23/1994EP0625079A1 Process for manufacturing tubular parts
11/23/1994CN1095251A Slide-fastener coupling element and method of making the same
11/22/1994US5365813 System for making picture frames
11/22/1994CA2013634C Machine for punching out butterfly clips for fastening to a frame of a spring core
11/17/1994DE4314558A1 Process for the non-cutting production of an outer profile on a hollow-cylindrical body and associated apparatus
11/16/1994CN2182693Y Machine for bending legs of glasses
11/16/1994CN2182690Y Die sets equipment for formation
11/15/1994US5363555 Method of manufacturing an article by superplastic forming and diffusion bonding
11/15/1994US5363544 Multi-stage dual wall hydroforming
11/10/1994WO1994025198A1 Method for producing a full face fabricated vehicle wheel
11/10/1994WO1994025195A1 Microprocessor controlled apparatus and method for forming metal building panels
11/10/1994WO1994025194A1 Side panel assembly and method and apparatus for forming the same
11/10/1994DE3050857C2 Heat exchanger
11/09/1994EP0623204A1 Welded plate heat exchanger.
11/09/1994CN2182009Y Internal screwed tube planetary differential speed spin-pull device
11/09/1994CN2182008Y Punched die for hook hole of aluminium alloy window lock
11/09/1994CN2182007Y Fin cold wrapping apparatus for tubular cooler
11/08/1994US5361619 Process and apparatus for press forming
11/08/1994US5361493 Method of manufacturing wheels for motor vehicles
11/08/1994US5361476 Method of making a spacer frame assembly
11/08/1994US5361471 Slide fastener coupling element forming apparatus and cutting punch
11/03/1994DE4411350A1 Apparatus and method for the production of a cage for rolling-contact bearings
11/02/1994EP0621812A1 Process for manufacturing a formed body made by pressing or deep-drawing
11/02/1994CN1094339A Expanding joint method for calorized plate steel tube with heat-erchange tube
11/01/1994US5359871 Microprocessor controlled apparatus and method for forming metal building panels
10/1994
10/26/1994EP0495973B1 Method and device for splitting a stream of fluid
10/26/1994EP0494285B1 Assembly of a cylindrical body made to finished dimensions
10/25/1994US5357775 Process for producing suspension component of light alloy
10/25/1994US5357663 Slide fastener coupling element forming apparatus
10/19/1994EP0523121B1 Making pulleys
10/19/1994CN1093782A Method for manufacturing a brake shoe
10/18/1994US5355706 Process for the production of a hollow workpiece being profiled at least internally in a straight or helical manner relative to the workpiece axis
10/18/1994CA2026119C Tubular reinforcement element and a method of making same
10/18/1994CA1332542C Method and apparatus for wheel manufacture
10/13/1994WO1994023256A1 Tube heat exchanger and a method of production of its heat exchanging elements
10/13/1994WO1994022615A1 Wheel rim
10/12/1994CN2179214Y Corrguated radiator shaper
10/12/1994CN1093502A Method of manufacturing stator for stepping motor
10/12/1994CN1093306A Manufacture of bearing arrangment
10/11/1994US5353868 Integral tube and strip fin heat exchanger circuit
10/11/1994US5353639 Method and apparatus for sizing multiple tubes
10/11/1994US5353584 Hollow diamond cut rope chain with multi-faceted surfaces
10/11/1994US5353496 Mechanical tube expander with four axis control
10/11/1994CA2022617C Apparatus for forming metallic binding bands
10/06/1994DE4318425C1 Apparatus for the upright straightening of a spring leaf
10/06/1994DE4310311A1 Apparatus for the production of a clamping joint
10/05/1994EP0618660A1 Method of manufacturing stator for stepping motor
10/05/1994CN1026086C Connector of convey belt and production of same
09/1994
09/29/1994DE4310118A1 Continuous-flow water heater (instantaneous water heater) and method for manufacturing the heat exchanger of the continuous-flow water heater
09/28/1994EP0616862A1 A process for manufacturing radiator elements for central heating plants
09/27/1994US5349841 Feeding apparatus for metal belting and manufacturing apparatus for fins of a heat exchanger
09/21/1994CN2177542Y Automatic producing equipment for flexible connecting part of copper belt for switch
09/20/1994US5348083 Heat exchanger
09/20/1994US5347888 Method for forming a bead forming die
09/15/1994WO1994020236A1 Tooling apparatus and method for high speed production of drawn metal cups
09/15/1994WO1994020235A1 Method for the non-cutting production of a transmission component hub
09/15/1994DE4404928A1 Heater of metal tubes intimately connected to one another, and method of producing it
09/15/1994DE4307893A1 Punching head for corner-joining machines
09/13/1994US5346366 Bladed rotor and apparatus for producing same
09/13/1994US5345678 Method of assembling window and glass-door casements
09/13/1994US5345676 Method for producing a full face fabricated vehicle wheel
09/08/1994DE4306621A1 Method of producing a camshaft arrangement with shaft elements lying one inside the other
09/07/1994EP0614062A2 Expanded structures
09/07/1994EP0613548A1 Perforated plates for cryogenic regenerators and method of fabrication
09/07/1994EP0613408A1 Developed blank layout angle bracket
09/07/1994CN1091681A Method for wheels
09/06/1994US5344063 Method of making diffusion bonded/superplastically formed cellular structures with a metal matrix composite
09/01/1994WO1994019127A1 Process for manufacturing a light metal wheel in a single piece from a wrought aluminium material
09/01/1994WO1994019126A1 Method of pressure intensifying drawing by rotary molding and apparatus therefor
08/1994
08/31/1994EP0612937A1 A method of making a torque converter end cover
08/30/1994US5342100 Angle plates for transverse duct flanges
08/25/1994DE4335505C1 Device for producing a gear part which is toothed on the outside
08/24/1994WO1994019144A1 Automated method and apparatus for placement of angle plates in transverse duct flanges
08/24/1994EP0611615A1 Method to produce gearing, in particular toothed quadrants
08/18/1994DE4304224A1 Ring-forming tool
08/16/1994US5338100 High strength automotive seat frame and method
08/16/1994US5337476 Method of making a camshaft
08/10/1994EP0610108A1 Crimping ring and method of making it
08/10/1994CN1090640A Heat exchanger and manufacturing method
08/04/1994WO1994016843A1 Staple forming
08/03/1994EP0608770A1 Slide-fastener coupling element and method of making the same
08/03/1994EP0608629A2 Method of making ball bearing retainer or cage
08/02/1994US5333482 Method and apparatus for flattening portions of a corrugated plate