| Patents for B21D 17 - Forming single grooves in sheet metal or tubular or hollow articles (1,507) |
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| 03/08/2001 | CA2381844A1 Device and method for forming a recess in a workpiece |
| 03/07/2001 | EP1081735A2 Method and apparatus for manufacturing a framework for shadow mask |
| 03/06/2001 | US6196039 Groove rolling of piping elements |
| 02/15/2001 | DE19949552C1 Workpiece marking process for stamping machine, using sharp scratching element as marking tool |
| 02/08/2001 | WO2001008827A1 Hydraulic positioning assembly for cold rolling tubes |
| 02/08/2001 | WO2001008826A1 Roller assembly for a cold rolling apparatus with angularly offset rotational axes |
| 01/09/2001 | US6170313 Process to produce indentations in tubes together with the tube produced by the use of this process |
| 11/28/2000 | US6153285 Indentation in a plastically deformable material |
| 11/16/2000 | WO2000037766A3 Procedures and equipment for profiling and jointing of pipes |
| 11/08/2000 | CN2404609Y Rolling machine for forming grooves |
| 11/02/2000 | DE19918230A1 Hypereutectic aluminum-silicon alloy cylinder liner blank, for incorporation during casting of a light metal crankcase, is mechanically roughened on its outer surface by radial embossing |
| 10/26/2000 | WO2000037767A3 Profile formation |
| 10/25/2000 | EP1045961A1 Conical honeycomb body and method for producing same |
| 10/17/2000 | US6131430 Tool and method for the rolling treatment of a workpiece |
| 10/11/2000 | EP1042086A1 Drilling tool for machine tools and method for the production thereof |
| 09/27/2000 | EP1038603A2 Groove rolling of piping elements |
| 09/26/2000 | US6122814 Method for forming a ring with a chamfered section |
| 09/19/2000 | US6119501 Method of deforming an initial pipe having a circular cross-section into a U-shaped section and device for carrying out the method |
| 09/05/2000 | US6112568 Roll forming using turret punch press |
| 08/23/2000 | CN1263801A Device and method for manufacturing frid with multiple closed grooves |
| 08/10/2000 | WO2000045972A1 Roll forming using turret punch press |
| 07/27/2000 | WO2000043149A1 Method and device for increasing diameter of metal shaft material |
| 07/27/2000 | CA2325078A1 Method and device for increasing diameter of metal shaft material |
| 07/26/2000 | EP0894031B1 Method for machining metal plate |
| 07/04/2000 | US6082784 Connection structure and process for connecting eye-joints and slender metal pipes |
| 06/29/2000 | WO2000037773A1 Downhole sealing for production tubing |
| 06/29/2000 | WO2000037772A1 Tubing anchor |
| 06/29/2000 | WO2000037771A1 Drilling method |
| 06/29/2000 | WO2000037768A1 Method and apparatus for expanding a liner patch |
| 06/29/2000 | WO2000037767A2 Profile formation |
| 06/29/2000 | WO2000037766A2 Procedures and equipment for profiling and jointing of pipes |
| 06/29/2000 | CA2686423A1 Method and apparatus for drilling and lining a wellbore |
| 06/29/2000 | CA2646563A1 Tubing anchor |
| 06/29/2000 | CA2565202A1 Downhole sealing for production tubing |
| 06/15/2000 | DE19856950A1 Beaded sheet producing device for sheets with several closed beads, with lower tool which has plate moved by external hydraulic cylinder |
| 06/14/2000 | EP1008404A1 Method for ironing spline teeth in pressed stepped sheetmetal and sheetmetal clutch drum formed by same |
| 06/14/2000 | CN1053401C Device for grooving of tubes |
| 05/18/2000 | WO2000027557A1 Bordering and/or crease-closing machine and method for operating the same |
| 05/16/2000 | US6062060 Tool kit for flaring metal tubes |
| 05/10/2000 | EP0998997A1 Flanging and seam folding apparatus and method for flanging and closing seams |
| 05/10/2000 | EP0765214B1 Apparatus for forming grooves in cylindrical surfaces |
| 04/27/2000 | WO2000023210A1 Rolling treatment of a workpiece |
| 04/27/2000 | DE19848153A1 Tool for the rolling treatment of a workpiece comprises upper part with body guided by guide wit ha die and roller ball with a universal mount |
| 04/27/2000 | DE19848144A1 Tool for the rolling treatment of a workpiece comprises upper part with body guided by guide wit ha die and roller ball with a universal mount |
| 04/26/2000 | EP0995510A1 Tool and method for the rolling treatment of a workpiece |
| 04/04/2000 | US6044679 Method for machining metal plate |
| 03/28/2000 | US6041634 Portable bead roller |
| 03/16/2000 | DE19840260A1 Beading machine for forming and beading of sheet metal parts has pair of beading rollers and stop for parts in one or both rollers |
| 03/15/2000 | CN2368626Y Roll forming apparatus |
| 01/26/2000 | EP0974409A1 Method of notching tubes and tubes obtained by such a method |
| 12/16/1999 | WO1999064206A1 Pipe crimping apparatus |
| 12/16/1999 | CA2334112A1 Pipe crimping apparatus |
| 12/08/1999 | CN1047114C Method and device for producing convex groove knurling pipe |
| 12/01/1999 | EP0960754A1 A stabiliser bar apparatus for use in a vehicle suspension |
| 11/10/1999 | EP0955107A1 Mehod of deforming a circular shaped tube in a U-shaped profile and apparatus for executing this method |
| 11/09/1999 | US5979202 Method and apparatus for making pipe line steel grooved-end fittings |
| 11/04/1999 | WO1999056010A1 Conical honeycomb body and method for producing same |
| 11/04/1999 | DE19819202A1 Konischer Wabenkörper und Verfahren zu seiner Herstellung Conical honeycomb body and the process for its preparation |
| 10/28/1999 | DE19818234A1 Roller shaping device for making roller or roll strip elements |
| 09/16/1999 | DE19820415C1 Method of forming vehicle axle tube into U-shaped profile |
| 09/14/1999 | US5950482 Method for shaping tubular member |
| 09/14/1999 | US5950472 Bead-formation in metal drum manufacture |
| 09/07/1999 | US5946958 Device for manufacturing a groove bearing |
| 08/17/1999 | CA2172876C Method of manufacturing a c-shaped rail with profiled surfaces |
| 07/22/1999 | DE19801654A1 Deforming tool to produce hole surrounded by collar in metal sheet |
| 07/14/1999 | EP0739254B1 Workpiece-deforming tool and die for use in a punch press |
| 07/08/1999 | DE19856986A1 Production of drilling tool |
| 07/01/1999 | WO1999032245A1 Drilling tool for machine tools and method for the production thereof |
| 06/24/1999 | DE19755104A1 Ring seal for insertion into drillings |
| 06/15/1999 | US5911939 Apparatus and method for preparing cylindrical surfaces |
| 06/02/1999 | DE19751918A1 Indentation in a plastically deformable material |
| 06/02/1999 | CA2223298A1 Tool kit and method for swaging and flaring metal tubes |
| 05/18/1999 | US5904939 Extruder for extrusion manufacturing |
| 05/18/1999 | US5904063 For cold forming an annular bead on a metal tube |
| 05/06/1999 | DE19747657A1 Beading method for tubes |
| 05/04/1999 | US5899106 Process for manufacturing a shaped metal can |
| 04/29/1999 | DE19747252A1 Profiled aluminum sheet or strip |
| 04/27/1999 | USRE36194 Machine for forming spiral grooves in metal pipe inner surface |
| 04/08/1999 | DE19742820A1 Mandrel insert to support tubular workpiece to be formed |
| 04/07/1999 | CN1042803C Method for producing bulge-shaped pipe |
| 04/06/1999 | US5890287 Connection structure and process for connecting eye joints and slender metal pipes |
| 03/10/1999 | CN2309908Y Mill for making thick wall, large diameter corrugated pipe and furnace chamber |
| 02/11/1999 | WO1999006164A1 Method for ironing spline teeth in pressed stepped sheetmetal and sheetmetal clutch drum formed by same |
| 02/03/1999 | EP0894031A1 Method for machining metal plate |
| 01/12/1999 | US5857369 Method for fabricating light weight pipe connectors |
| 11/03/1998 | US5829911 Method for forming a high-tooth spline of a hollow shaft and hollow shaft having a high-tooth spline |
| 09/09/1998 | EP0676279B1 Press forwardly feed die of metallic gasket |
| 09/08/1998 | US5802900 Apparatus for fabricating a fluid bearing |
| 07/28/1998 | US5784918 Method and apparatus for swaging metallic embossed pipes |
| 07/22/1998 | EP0853734A1 Bearing shell with retaining cam and method for production thereof |
| 07/21/1998 | US5782128 Hand tool for flaring a tube |
| 07/21/1998 | US5782123 Working tool for pipe wall |
| 07/14/1998 | US5780063 Apparatus for producing a hard metal or ceramic rod having helical bores |
| 07/14/1998 | US5778715 Cold rolling positioning roller assembly |
| 06/09/1998 | US5761944 Punching processing method and roll forming die used in this processing method |
| 06/02/1998 | US5758421 Method for manufacturing fluid bearing |
| 03/31/1998 | US5732585 For forming or beading sheeting |
| 03/25/1998 | CN2276844Y Special drum forming machine for solar water heater |
| 03/17/1998 | US5727411 Method of forming grooves on metal pipe and groove-forming apparatus |
| 03/12/1998 | DE19636424A1 Appts to form contours in a hollow profile wall |