Patents for B21D 31 - Other methods for working sheet metal, metal tubes, metal profiles (2,523)
05/2001
05/09/2001EP1097760A2 Metal pipe expander
05/02/2001EP0957996A4 Compositions of matter for stopping fires, explosions and oxidations of materials and build up of electrostatic charges
05/02/2001EP0833779A4 Means for protection against radiant energy
04/2001
04/24/2001US6221299 Structuring process that stiffens and protects the surface of thin material webs
04/17/2001US6216791 Flame arrester
04/12/2001DE10036119A1 Riveting device for riveting processes comprises a housing, levers, a pulling mandrel and a tension device supported between the lever and the pulling mandrel and pretensioned by tilting the lever
04/10/2001US6212744 Apparatus for expanding a metal sheet
04/05/2001WO2000016926A9 Method and apparatus for reshaping a container body
04/03/2001US6209381 Method and system for chamfering and press therefor
03/2001
03/20/2001US6202271 Method and apparatus for manufacturing expanded mesh sheet and battery using this expanded mesh sheet
02/2001
02/28/2001CN1062499C Hexagonal honeycomb device manufacturing technology
02/21/2001CN1284414A Production process of bridge filter for well
01/2001
01/22/2001CA2313781A1 Appliance and process for reducing distortion of slit metal sheet
01/09/2001US6171227 Embossing unit
01/03/2001EP1064469A1 Strut for planar one-way clutch
01/02/2001US6167601 Method for manufacturing ventilated sheet-metal floor members
12/2000
12/05/2000US6156444 Structure for and method of manufacturing aerodynamic expanded metal
11/2000
11/29/2000CN1274623A Parallel metal net producing technology
11/22/2000CN2406747Y Hexagonal pattern steel network
11/16/2000DE19910312A1 Streckmetall, Lochgitter oder dergleichen Gitterstruktur Expanded metal, perforated mesh or grid like structure
11/15/2000CN1058425C Process for production of seamless steel pipe by using plastic deforming method and apparatus thereof
11/14/2000US6145363 Forming machine for metal strips, in particular for the manufacture of plates for electrics accumulators
11/02/2000DE10015498A1 Method for forming sheet metal layer for metal honeycomb body in catalytic converters involves reshaping sheet metal strip to produce profiled structure which passes at least twice through
10/2000
10/26/2000WO2000062954A1 Filling material
10/25/2000CN1270884A Forming method for belt type film
10/18/2000EP1044740A2 Method for manufacture of articles in foraminous sheet materials
09/2000
09/27/2000EP1039063A1 Apparatus for and method of manufacturing a roof ridge and roof edge covering strip, from a strip made of plastically deformable material
09/27/2000EP1038605A2 Upper cutting bar for a manufacturing apparatus of an expanded mesh sheet
09/21/2000DE19912698A1 Vorrichtung und Verfahren zur Herstellung eines First- und Gratabdeckungsstreifens aus einem Streifen aus plastisch verformbaren Material Device and method for the manufacture of a ridge and Gratabdeckungsstreifens of a strip of plastically deformable material
09/19/2000US6119501 Method of deforming an initial pipe having a circular cross-section into a U-shaped section and device for carrying out the method
09/14/2000WO2000053356A1 Expanded metal mesh and tool for producing the same
09/12/2000US6117062 Compositions of matter for stopping fires, explosions and oxidations of materials and build up of electrostatic charges and method and apparatus for making same
09/12/2000US6116347 Prevention of corrosion, fire and explosion in oil wells
08/2000
08/24/2000DE19913028C1 Upper knife for expanded metal mesh producing device, having cutting teeth enclosing greater and lesser angles
08/23/2000CN1263802A Cooking pot of hot-rolled thin steel sheet and its making method
08/22/2000US6105676 Flame arrester
08/15/2000US6101859 Die assembly for forming a pattern on a metal plate
08/15/2000CA2208104C Aluminum mesh with interlaced hollow and solid ribs
08/02/2000EP1023131A1 Apparatus for gripping, guiding and transporting the side edges of a slit strip in a machine for forming an expanded mesh sheet
07/2000
07/18/2000US6089325 Compositions of matter for stopping fires, explosions and oxidations of materials and build up of electrostatic charges and method and apparatus for making same
07/06/2000WO2000038855A1 Structure for and method of manufacturing aerodynamic expanded metal
06/2000
06/28/2000EP1011889A4 Articles for and methods of making stents
06/28/2000EP1011889A1 Articles for and methods of making stents
06/27/2000US6079244 Method and apparatus for reshaping a container body
06/07/2000CN2381412Y Drill jig on plastic-steel door or window frames
05/2000
05/31/2000EP1004370A1 Method and apparatus for roll forming a plurality of heat exchanger fin strips
05/23/2000US6066048 Punch and die for producing connector plates
05/23/2000US6065576 Strut for planar one-way clutch
05/23/2000CA2288516A1 Method and apparatus for roll forming a plurality of heat exchanger fin strips
05/23/2000CA2075679C Production of expanded metal strip for reinforcing a rubber-like product
05/16/2000US6062316 Compositions of matter for stopping fires, explosions and oxidations of materials and build up of electrostatic charges
05/16/2000US6061909 Metal panel with flanged holes and process of fabrication
05/02/2000US6056099 Method of making recesses in metallic workpieces for use torque transmitting apparatus
04/2000
04/25/2000US6054088 Method of making a highly fire resistant construction board
03/2000
03/30/2000WO2000016926A1 Method and apparatus for reshaping a container body
03/07/2000US6032503 Method and apparatus for roll forming a plurality of heat exchanger fin strips
03/01/2000EP0981412A1 Device for continuous production of foil expanded metal
02/2000
02/16/2000CN1049372C Method and apparatus for making stretching grille
02/09/2000EP0912267B1 Arrangement and method for producing expanded material
01/2000
01/25/2000US6016681 Bullet tube expanding apparatus
01/25/2000CA2149574C Fill and pressurization apparatus
01/13/2000DE19931932A1 Chamfering routine with work feed handles sheet between top and spring-supported bottom tool as plungers in two-sided chamfer press.
01/05/2000CN2356775Y Large diameter special pipe shaper
12/1999
12/22/1999EP0907431B1 Process for shaping a flat metal workpiece
12/22/1999EP0609394B1 Anti-explosion pads and their method of use
12/22/1999CN2354686Y Apparatus for making micro-pitted surface
12/15/1999EP0964465A1 Method of manufacturing battery electrode substrate and battery electrode substrate
11/1999
11/24/1999EP0957996A1 Compositions of matter for stopping fires, explosions and oxidations of materials and build up of electrostatic charges
11/17/1999CN2348950Y Rolling type theft-proof net grid machine
11/10/1999EP0955107A1 Mehod of deforming a circular shaped tube in a U-shaped profile and apparatus for executing this method
10/1999
10/20/1999CN1232576A Method of mfg. battery electrode substrate and battery electrode substrate
10/19/1999US5966982 Dimpling Die set
10/13/1999EP0949019A1 Embossing unit
10/13/1999CN1231252A Embosser
10/05/1999US5960526 Process for forming circuit board supports on metal sheet frames for personal computers
09/1999
09/29/1999EP0945195A2 Molding roll for metal thin plate as catalyst carrier and molding roll apparatus
09/28/1999CA2186358C Apparatus for cutting sheet material
09/23/1999WO1999047828A1 Strut for planar one-way clutch
09/22/1999CN1229282A Method and device for making extension net slice and battery using the extension net slice
09/16/1999DE19820415C1 Method of forming vehicle axle tube into U-shaped profile
09/15/1999EP0941781A2 Method and apparatus for manufacturing expanded mesh sheet and battery using this expanded mesh sheet
08/1999
08/17/1999CA2011142C Device for punching sheet-type material, in particular label material
08/04/1999EP0933131A1 Metal thin film for metal catalyst carrier and metal catalyst converter employing the metal thin film
07/1999
07/27/1999US5927136 Method of treating a tubular member
07/21/1999EP0929369A1 Connector plate and punch for forming
07/21/1999CN1223179A Die for stereo formation net-making and method thereof
07/20/1999US5924320 Device for unfolding a shaped metal article and a method for unfolding the same
07/07/1999CN1222097A Metal thin film for metal catalyst carrier and metal catalyst converter employing metal thin film
06/1999
06/23/1999CN1220624A Arrangement and method for producing expanded material
06/01/1999US5907893 Methods for the manufacture of radially expansible stents
05/1999
05/20/1999WO1999025040A1 Method of treating a tubular member
05/11/1999US5901619 Method for manufacturing rotary cutting tool and rotary cutting tool
05/06/1999EP0912267A1 Arrangement and method for producing expanded material
04/1999
04/28/1999CN2316063Y Large-bore long-straight tube composite tube processing equipment
04/27/1999US5896635 Apparatus for forming expanded mesh
04/21/1999EP0806127A4 An environmentally desirable method of manufacturing printed circuits, printed circuits made thereby and associated apparatus
04/14/1999EP0907431A1 Process for shaping a flat metal workpiece
03/1999
03/31/1999EP0904870A2 Plate for lead storage batteries and apparatus for manufacture thereof
03/31/1999CN1212474A Polar plate for lead battary and its making device
03/10/1999CN1210375A Method and apparatus for manufacturing extended lead electrodes of secondary battery
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