Patents for B21K 1 - Making machine elements (7,621)
01/2000
01/20/2000DE19832288A1 Manufacture of pipe connection ring
01/20/2000DE19831189A1 Verfahren zur Herstellung von Blechringen A process for the production of sheet-metal rings
01/20/2000CA2303377A1 Metallic shaft material diameter increasing device
01/19/2000EP0972956A1 Self-restraining metal ring nuts, and processes for the production thereof
01/19/2000EP0972589A2 Method for the manufacture of a compression fitting of metal
01/19/2000EP0972588A2 Method for producing metal rings
01/13/2000DE19829937A1 Method for producing ring-shaped forged workpieces
01/12/2000EP0971117A2 Method for manufacturing piston by forging, forging die and piston
01/12/2000EP0970765A2 Method for forming a workpiece by flow-turning
01/12/2000CN1048312C Ultra light IC engine valve and its making method
01/09/2000CA2275559A1 Method for forming a workpiece by flow-forming
12/1999
12/30/1999DE19905953A1 Production of metal gearwheel with layered material structure, and resultant gearwheel
12/30/1999DE19828421A1 Making e.g. tires, by rolling to deform and consolidate
12/29/1999WO1999067042A1 Method for producing vehicle wheels
12/28/1999US6006579 Method of fabricating shaft from metal plate
12/23/1999WO1999065628A1 Method for producing an inner profile or an outer profile by rotary kneading
12/23/1999DE19827191A1 Verfahren zur Herstellung einer Innenprofilierung eines hülsenähnlichen metallischen Außenteils und/oder zur Herstellung einer Außenprofilierung eines metallischen Innenteils durch Rundkneten A process for producing an inner profiling of a sleeve-like metallic outer part and / or for the manufacture of an outer profile of a metallic inner member by rotary swaging
12/22/1999EP0965412A1 Process for producing a TiAl-based alloy poppet valve
12/22/1999CN1239172A Processing method and connection structure of joint end of reinforced special and steel for concrete
12/21/1999US6004215 Fastener forming machine
12/21/1999US6004120 Apparatus for manufacturing pressed powder body
12/21/1999CA2102336C Process of manufacturing one-piece forged wheels
12/16/1999WO1999064751A1 Method of forming a tubular member
12/16/1999DE19860518A1 Scheibe für stufenlos verstellbares Toroidgetriebe Disc for continuously variable toroidal transmission
12/16/1999DE19824741A1 Verfahren und Vorrichtung zur Herstellung von Bundlagern Method and apparatus for the production of flange bearings
12/14/1999US6000267 Process for fabrication of rack shaft and fabrication machine therefor
12/08/1999EP0962269A2 Method and apparatus for making bearing collars
12/07/1999US5996229 Method and mold die for forming a spiral bevel gear from metal powders
12/02/1999WO1999061749A1 Rock bolt and method of forming a rock bolt
12/02/1999DE19922046A1 Forming and producing a finished crankshaft
11/1999
11/30/1999US5993320 Tee nut and method of manufacture
11/30/1999US5992205 Means to manufacture steering rack bars
11/28/1999CA2272799A1 One-piece forged steering knuckle assembly
11/25/1999WO1999029450A8 Process for shaping a work piece
11/24/1999EP0958456A1 Blind rivet and method of making same
11/11/1999DE19912841A1 Transmission component production process e.g. for sprocket for toothed belt
11/10/1999EP0955110A2 Method and device for flow-turning
11/10/1999EP0954707A1 Process for manufacturing flat bearing shells
11/09/1999US5980390 Die for self drilling screws
11/09/1999US5979873 Method of making ball valves
11/09/1999US5979216 Wear resistant tool insert
11/09/1999US5979209 Method of forming a torsion bar with hexagonal heads
11/07/1999CA2271115A1 Flow forming method and device
11/03/1999CN1046104C Coupling for shoulder end pipes
11/02/1999US5976053 Method of manufacturing traction rollers for continuously variable transmissions and traction rollers resulting therefrom
10/1999
10/28/1999DE19818653A1 One piece axle for trailer with strengthened axle ends
10/28/1999DE19809391C1 Fixture attaching especially annular link part to pipe exterior
10/26/1999US5971860 Device for detecting faulty recesses
10/26/1999US5970776 Apparatus for forming a cup-shaped cage
10/21/1999WO1999052666A1 Process for manufacturing a captive screw
10/21/1999CA2328161A1 Process for manufacturing a captive screw
10/20/1999EP0950448A2 Tool-holder for a press
10/14/1999WO1999051423A1 Method for producing a throttle point
10/14/1999WO1999051377A1 A tool ring and a nail machine comprising such tool ring
10/13/1999EP0949435A2 Gear with integrated cluch spline and its forming method
10/12/1999US5964023 Method and system of manufacturing mechanical joint
10/07/1999DE19815264A1 Precision metal profile forming method
10/07/1999DE19814650A1 Verfahren zur Herstellung einer Drosselstelle A process for producing a throttle point
10/06/1999EP0947642A2 Method of working connection end of deformed bar for reinforcing concrete, deformed bar worked by the method and structure of connecting deformed bar
09/1999
09/30/1999DE19911118A1 Process for manufacturing shaft fitted with drive wheel forming part of drive train
09/29/1999EP0722372B1 Apparatus for forge-forming outer-ring of constant velocity joint and method thereof
09/28/1999US5957777 Method of manufacturing fasteners
09/28/1999US5957645 Spiral drive system for threaded fasteners
09/28/1999US5956993 Forging or cold-pressing tool and method of assembling same
09/23/1999WO1999047291A1 Method of manufacturing sheet metal product having groove in inner circumferential end surface thereof
09/23/1999WO1999047289A1 Method of manufacturing sheet metal product having cylindrical portion at inner circumferential side thereof
09/23/1999DE19911500A1 Forging device for spherical angled teeth
09/23/1999DE19903360A1 Coupling hub flange making process
09/22/1999EP0711212B1 Method for producing a full face fabricated vehicle wheel
09/22/1999CN2339331Y Anti-skid hook with locking device
09/21/1999US5953950 Method and apparatus for manufacturing disk products having helical ridges
09/16/1999DE19810851A1 Ring rolling device for making rings with tubular attachment, e.g. pre-welding flange for pipe connection
09/15/1999EP0941783A1 Method of manufacturing an one-piece axle body and axle body manufactured by such a method
09/14/1999US5951794 Extrusing an aluminum alloy body into a hollow elongate tube, solution heat treatment and then quenching, drawing to reduce the diameter of tube at three transition sections
09/14/1999US5950480 Method for manufacturing shoe for swash plate-type compressor
09/10/1999CA2231579A1 Improved ball-type valve
09/09/1999DE19903013A1 Drive roller bearing for infinitely variable semi circular transmission gear
09/09/1999DE19809039A1 Back rolling process for tooth flanks in internal teeth of sliding coupling
09/07/1999US5946963 Bevel gear hot-forging apparatus
09/07/1999US5946959 Process for producing annular workpieces from metal with a profiled cross section and a rolling facility for carrying out the method
09/07/1999US5946800 Method for producing rocker arms
09/07/1999US5946786 Joining jig and joining member coupling method using the joining jig
09/01/1999EP0583381B1 Precision forming apparatus, method and article
08/1999
08/31/1999US5944918 Aircraft; applying phenolic resin, curing
08/31/1999US5943897 Method for making a hole in a plate and a punch for making such a hole
08/31/1999US5943749 Method of manufacturing a hollow point bullet
08/26/1999DE19807160A1 Method for producing cage for taper bearings
08/25/1999EP0937523A2 Outer teeth, inner teeth, and producing method thereof
08/25/1999EP0937522A1 Method of fabricating shaft from metal plate
08/18/1999EP0764298A4 Method for manufacturing flashless metal connecting rod
08/17/1999US5937692 Method for manufacturing the armature housing of a slide valve
08/17/1999US5937691 Method of forming an inner flange on a sheet metal member having a cylindrical portion
08/10/1999US5934851 Staked fastener having wrenchable flats
08/10/1999US5934126 Internally toothed member and method and apparatus for forming the same
08/10/1999US5933956 Method of making a light-metal strip wheel
08/05/1999WO1999039018A1 Steel and method for making cleavable mechanical parts
08/05/1999DE19900838A1 Manufacture of toroidal gear by extending gear disc
08/04/1999CN1224642A Vertical tube forming method for the handle of bicycle
08/03/1999US5931042 Method of forming a key portion of a sheet metal member having a cylindrical portion
07/1999
07/28/1999CN1224375A Method of fabricating shaft from metal plate
1 ... 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 ... 77