| Patents for B21J 7 - Hammers; Forging machines with hammers or die jaws acting by impact (996) |
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| 12/29/2004 | EP1491272A1 Method for producing forgings mainly made of metals and alloys of titanium group and a forging system for carrying out said method |
| 12/23/2004 | US20040255637 Longitudinal component with mass accumulations |
| 12/22/2004 | EP0943376B1 Plate thickness pressing device and method |
| 12/09/2004 | WO2004043624A3 Cold forging apparatus and method for forming complex articles |
| 11/23/2004 | US6821471 Method for the manufacturing of a plate |
| 11/10/2004 | CN1544180A Intelligent control method for die hammer and intelligent die hammer produced according to said method |
| 11/04/2004 | DE10332888B3 Workpiece bending method using control of impact tool velocity during impact movement dependent on workpiece position and/or defined impact velocity |
| 11/03/2004 | EP1473094A2 Plate reduction press apparatus and methods |
| 10/28/2004 | DE10317880B3 Process for automated shaping of thin-walled workpieces comprises guiding a workpiece and/or a processing tool with a handling device on a path, whilst a shaping element of the tool is thrust against the workpiece with a hammering drive |
| 10/14/2004 | WO2004087349A1 Improved tool post clamp for radial press |
| 10/14/2004 | DE10341716A1 Radial forming apparatus for e.g. rod, wire-shaped workpiece, has processing tools provided around workpiece, arranged orthogonal to longitudinal axis of workpiece, and oscillated radially by ultrasonic exciting units |
| 09/29/2004 | EP1462188A2 Plate reduction press apparatus and methods |
| 09/23/2004 | DE10308041A1 Forming method for fully automatic production system, involves driving piston to compress air and ignite fuel in compression fixing device to form workpiece in compression fixing device |
| 09/15/2004 | CN1166472C Hydraulic hammer with micro motion of lower hammer |
| 09/01/2004 | EP1450971A1 Longitudinal component with mass accumulations |
| 07/29/2004 | DE4214444B4 Verfahren zur Herstellung von Kugelschalen für Gleichlaufgelenke sowie Profildorn zur Verwendung in dem Verfahren Process for the preparation of spherical shells for constant velocity joints and profile mandrel for use in the method |
| 07/28/2004 | CN1515371A Oil-to-oil free forge hammer power system |
| 07/22/2004 | US20040139781 Method for producing forgings mainly made of metals and alloys of titanium group and a forging system for carrying out said method |
| 07/20/2004 | US6764644 Filling mold; inserting tool; striking with ram to adiabatically coalesce; shaping; percussion machines |
| 07/15/2004 | US20040134254 Method employing high kinetic energy for working of material |
| 07/14/2004 | CN1512922A Method for producing forgings mainly made of metals and alloys of titanium group and forging system for carrying out said method |
| 07/13/2004 | US6761053 Plate reduction press apparatus and methods |
| 06/30/2004 | CN2621855Y Farm hammer |
| 06/23/2004 | CN1507377A Method employing high kinetic energy for working of material |
| 05/27/2004 | WO2004043624A2 Cold forging apparatus and method for forming complex articles |
| 05/27/2004 | DE19856949B4 Schmiedehammer mit U-förmiger Führung Forging hammer with a U-shaped guide |
| 05/13/2004 | US20040089048 Cold forging apparatus and method for forming complex articles |
| 05/13/2004 | US20040089047 Cold forging apparatus and method for forming complex articles |
| 04/13/2004 | US6718814 Swaging die assembly having compressible spacing element |
| 04/01/2004 | WO2001083135A8 Method and impact machine for forming a body |
| 03/04/2004 | US20040040364 Impact machine |
| 03/02/2004 | US6698267 Method and impact machine for forming a body |
| 02/26/2004 | WO2003090961A3 Shaping metal articles |
| 02/19/2004 | US20040031648 Device unit for generating a reciprocating driving motion for driving movable machine elements |
| 02/12/2004 | WO2004013359A1 Ultrasonic impact machining of body surfaces to correct defects and strengthen work surfaces |
| 02/12/2004 | CA2491743A1 Ultrasonic impact machining of body surfaces to correct defects and strengthen work surfaces |
| 02/04/2004 | EP1385653A1 Method employing high kinetic energy for working of material |
| 01/27/2004 | CA2090846C A medical suturing device, a single-strike die mechanism and a method for using said die mechanism for forming the medical suturing device |
| 01/14/2004 | CN2598683Y Electrohydraulic hammer with leakproof device |
| 11/06/2003 | WO2003090961A2 Shaping metal articles |
| 11/06/2003 | CA2483479A1 Shaping metal articles |
| 11/05/2003 | EP1140395B1 A method and a device for deformation of a material body |
| 10/16/2003 | WO2003084696A1 Method for producing forgings mainly made of metals and alloys of titanium group and a forging system for carrying out said method |
| 10/16/2003 | US20030192360 Plate reduction press apparatus and methods |
| 10/16/2003 | CA2449107A1 Method for producing forgings mainly made of metals and alloys of titanium group and a forging system for carrying out said method |
| 10/15/2003 | EP1351784A1 Impact machine |
| 10/09/2003 | US20030188559 Plate reduction press apparatus and methods |
| 10/08/2003 | EP1349676A1 A device unit for generating a reciprocating driving motion for driving movable machine elements |
| 09/25/2003 | US20030177805 Plate reduction press apparatus and methods |
| 09/18/2003 | DE20309632U1 Tool for kneading metal bar material into rounded profile has a die section with a sloping profile with transverse grooves and ridges to grip the bar |
| 09/16/2003 | US6619407 Air-operated hammer |
| 09/11/2003 | US20030167819 Method, impact machine, and equipment included in an impact machine |
| 07/31/2003 | WO2003061883A1 A process for producing a high density by high velocity compacting |
| 07/31/2003 | WO2003061868A1 A dynamic forging impact energy retention machine |
| 06/25/2003 | CN1426332A Method for manufacturing of plate involving intermediate proforming and final shaping |
| 05/15/2003 | WO2003039787A1 Longitudinal component with mass accumulations |
| 05/15/2003 | CA2465094A1 Longitudinal component with mass accumulations |
| 04/02/2003 | EP1296784A1 Method and impact machine for forming a body |
| 04/02/2003 | EP1296783A1 Method, impact machine, and equipment included in an impact machine |
| 04/02/2003 | EP1296782A1 Method for manufacturing of a plate involving an intermediate preforming and a final shaping |
| 02/26/2003 | CN2537495Y Single arm free forging electrohydraulic hammer |
| 02/19/2003 | CN2536150Y Electric heater for cooker with composite bottom |
| 01/15/2003 | CN1390659A Beat control system of hydraulic hammer |
| 01/15/2003 | CN1390658A Hydraulic hammer with micro motion of lower hammer |
| 01/09/2003 | US20030007869 Impact machine and method of using an impact machine |
| 11/14/2002 | WO2002090015A1 Method employing high kinetic energy for working of material |
| 10/22/2002 | US6467323 Plate reduction press apparatus and methods |
| 10/10/2002 | US20020144532 Swaging feedback control method and apparatus |
| 10/10/2002 | US20020144531 Swaging die assembly having compressible spacing element |
| 09/26/2002 | US20020135095 Method for the manufacturing of a plate |
| 08/08/2002 | US20020104356 Plate reduction press apparatus and methods |
| 08/01/2002 | WO2001083135B1 Method and impact machine for forming a body |
| 06/20/2002 | WO2002047844A1 Impact machine |
| 06/20/2002 | WO2002047830A1 A device unit for generating a reciprocating driving motion for driving movable machine elements |
| 06/11/2002 | US6401516 Hydraulic drive system for forging press or forging machine slides |
| 05/08/2002 | EP1017519B1 Feed mechanism for a forming device, especially a cold forming device such as a rotary swaging device |
| 05/08/2002 | DE10047025A1 Radialpresse Radial press |
| 03/28/2002 | WO2002024374A1 Radial press |
| 03/21/2002 | DE10044880A1 Method for manufacturing specially shaped hollow metal bodies involves reforming workpiece using several radially acting kneading tools to produce intermediate body which is then plastically reformed through internal pressure |
| 02/28/2002 | WO2001083132A8 Method for manufacturing of a plate involving an intermediate preforming and a final shaping |
| 02/14/2002 | US20020017123 Method for forging a metallic workpiece |
| 01/29/2002 | US6341516 Plate reduction press apparatus and methods |
| 01/02/2002 | EP1166917A2 Method for the forging of a metal workpiece |
| 12/26/2001 | CN2467232Y Pneumatic impact press |
| 12/20/2001 | WO2001096044A1 Method, impact machine, and equipment included in an impact machine |
| 12/19/2001 | EP1023132B1 Hydraulic drive system for forging press or forging machine slides |
| 11/08/2001 | WO2001083135A1 Method and impact machine for forming a body |
| 11/08/2001 | WO2001083134A1 Impact machine ii |
| 11/08/2001 | WO2001083132A1 Method for manufacturing of a plate involving an intermediate preforming and a final shaping |
| 10/31/2001 | CN2456865Y 空气锤 Air Hammer |
| 10/30/2001 | US6308546 Swaging machine |
| 10/10/2001 | EP1140395A1 A method and a device for deformation of a material body |
| 09/20/2001 | DE19952229A1 Round kneading machine comprises a tool which accommodates plungers in radial cut-outs, tool carriers and sliding surface coatings. |
| 08/23/2001 | DE19955323A1 Rundknetmaschine mit gleitgelagerter Werkzeuganordnung With plain bearing swaging machine tool assembly |
| 08/23/2001 | DE19955321A1 Rundknetmaschine mit hydraulischem Kraftausgleich Swaging machine with hydraulic force balance |
| 08/08/2001 | CN2441695Y Single hammer stopping device for electric hammer |
| 07/12/2001 | DE19954210A1 Round working machine e.g. for rod- and bar-shaped work-pieces, including metal items, uses cam system which is axially adjustable towards axis of rotation, so that tooling stroke varies in synchronism with other cam systems in housing |
| 06/13/2001 | EP1106276A2 Press tool for pressing rotationally symmetrical hollow components |
| 06/12/2001 | US6244087 Swaging machine |
| 06/05/2001 | US6240759 Forging machine |