Patents for B21C 37 - Manufacture of metal sheets, rods, wire, tubes, profilesor like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape (9,784)
10/2002
10/08/2002US6460236 Apparatus for producing wrapped slip tubes
10/08/2002CA2216362C Catalytic pipe
10/08/2002CA2084859C Method of manufacturing a multiple-walled tube
10/03/2002WO2002076810A1 Automobile strengthening member
10/03/2002WO2002076809A1 Automobile strengthening member
10/03/2002WO2002076652A1 Hollow construction element and method of producing
10/03/2002WO2002076646A1 Improvements in and relating to rock bolting
10/03/2002US20020139160 Integral ductwork diffuser
10/03/2002US20020138987 Method of manufacturing a one-piece tubular doorbeam
10/02/2002DE10113610A1 Production of a thick profiled one-piece rolling stock used in the production of sheet metal comprises deforming the starting material widthwise using rollers which penetrate into the starting material forming a three-dimensional profile
10/02/2002DE10113396A1 Device for producing polygonal tubes comprises a frame, an assembly wall having a rotating wound core with a polygonal cross-section and a drive, and molding rollers arranged outside
09/2002
09/26/2002WO2002074462A1 Thick-walled small diameter pipe producing method
09/26/2002US20020135095 Method for the manufacturing of a plate
09/26/2002US20020134453 Temporary fixing structure for tubular bodies
09/26/2002US20020134354 Method and device for treating edges in a high pressure fuel accumulator
09/25/2002EP1242200A1 Method of forming t-connectors
09/24/2002US6453710 Method and apparatus for manufacturing a helically-wound lock-seam tube having air nozzles
09/24/2002US6453536 Method for producing hollow nickel titanium profiles
09/20/2002WO2001070447A1 Tailored tubular blanks and a method for the production thereof
09/20/2002CA2403785A1 Tailored tubular blanks and process for the production thereof
09/19/2002DE10111304A1 Verfahren zur Herstellung von Rohren für schwere Geschütze A process for the production of tubes for heavy guns
09/19/2002DE10110384A1 Draht aus rostfreiem Stahl Stainless steel wire
09/17/2002US6450001 Method and apparatus for manufacturing thick-walled bent pipe
09/17/2002US6449834 Electrical conductor coils and methods of making same
09/12/2002WO2002070166A1 Stainless steel wire and method for producing a wire with improved resistance to corrosion
09/12/2002US20020126573 Housing for plastics, metal powder, ceramic powder or food processing machines
09/12/2002US20020125302 Process for producing longitudinally welded tubes
09/12/2002US20020124716 Method for producing tubes for heavy guns
09/12/2002DE10110539A1 Method for notching of metal bands uses conventional drive units to tension band in front of and behind notching process, to reduce load on tools
09/12/2002DE10108898A1 Producing drive components for electric drives involves deforming wall of hollow volume enclosed by shaping tool by subjecting hollow volume of rotating component to very high pressure
09/11/2002EP1239257A1 Method for producing gun barrels
09/11/2002CN2510186Y Hydraulic rolling extrusion and expansion machine for connecting metal joint and plastic pipe
09/11/2002CN1368413A Method for making tube with longitudinal soldered seam
09/11/2002CN1090750C 传热管 Heat transfer tube
09/10/2002US6446322 Method and apparatus for sealing canisters
09/10/2002CA2274470C Method of forming and piercing a tube
09/06/2002WO2002068704A1 Colored wire and method of manufacturing
09/06/2002WO2002068148A1 Process for making fine metallic mesh
09/06/2002WO2002033340A3 Tapered fin and method of forming the same
09/06/2002CA2439372A1 Process for making fine metallic mesh
09/05/2002US20020121120 Method and apparatus for manufacturing extruded parts
09/04/2002CN1367520A Planar electrode of cathode-ray tube and electronic gun and its production method
09/04/2002CN1367052A Equipment for making ring waveform metal pipe
09/04/2002CN1090065C Machine frame for roller forming and forming method
09/04/2002CN1090064C Heavy unit weight hot rolling method for sheet bars, and steel rolling equipment therefor
09/04/2002CN1090037C Tubular blank for manufacturing golf club shaft and method of manufacturing said blank
09/04/2002CN1090036C 高尔夫球杆头部 Golf club head
09/03/2002US6443040 Process for manufacturing screws and a device for actuating the process
09/03/2002US6442992 Hollow rack shaft and method of manufacturing the same
08/2002
08/29/2002US20020117538 Process for producing welded steel pipes with a high degree of strength, ductility and deformability
08/29/2002US20020116974 Tubular bar with integral rolled locking system and method of making same
08/28/2002EP1234621A1 Method and shiftable roll for rolling profiles
08/28/2002EP1107837B1 Internal high pressure forming method for a workpiece
08/28/2002EP0938391B1 Method and machine for making a finned body
08/28/2002CN1366570A Sheath pipe, sheath pipe manufacturing method, and sheath pipe manufacturing apparatus
08/28/2002CN1366170A Heat exchange pipe and its manufacturing method
08/28/2002CN1365865A Technology for manufacturing galvanized water pipe with inner stainless steel liner
08/28/2002CN1089652C Intermediate material for producing dual gauge strip and method for producing same and method for producing dual guage strip
08/27/2002US6439301 Heat Exchangers
08/27/2002US6439022 Rolling apparatus
08/27/2002US6438819 System for fabricating contour muntin bars from sheet material
08/22/2002WO2002064284A1 Bumper lean hose with generally b-shaped closed section formed by press forming with deep drawing process and method of manufacturing the bumper lean hose
08/22/2002WO2002064277A1 Bumper lean hose having closed section of generally b-shape quenched after press molding
08/22/2002US20020113150 Component, especially a high-pressure component for fuel injection systems, and method for producing a component of this type
08/22/2002US20020112334 Apparatus and process for producing high quality metallic fiber mesh
08/22/2002DE10105827A1 Vorrichtung zum spanlosen Umformen von langgestreckten Werkstücken Apparatus for chipless forming elongated workpieces
08/21/2002EP1232027A1 System and method for corrugating spiral formed pipe
08/15/2002WO2002062506A1 Device for forming elongated workpieces without chip removal
08/15/2002US20020108684 Drawing a composite, removing a portion of one of the alloy components from the fine composite fiber to provide a proper volumetric relationship and heating to convert into the desired metallic alloy
08/15/2002US20020108364 Process allowing to increase the cracking corrosion resistance of a wire under stress
08/15/2002US20020108228 System for fabricating muntin bars from sheet material
08/14/2002EP1231352A2 Method and apparatus for making notched muntin bars having two finishes
08/14/2002EP1230995A2 Procedure for the fabrication of tubes with longitudinally welded seam
08/14/2002DE10106195A1 Verfahren zur Herstellung längsnahtgeschweißter Rohre Process for the production of longitudinally welded pipes
08/14/2002CN1363432A Technology for manufacturing stainless steel spout with irregular curve
08/13/2002US6431265 Flat tubes for use with heat exchanger and manufacturing method thereof
08/13/2002US6430812 Superplastic forming of tubing pull-outs
08/08/2002WO2002060683A1 Metallurgically bonded layered article having a curved surface
08/08/2002WO2002060614A1 A method for manufacturing box girder, a box girder and a constructional part therefor
08/08/2002US20020106483 Modified contoured crushable structural members and methods for making the same
08/08/2002US20020106468 Shaped contoured crushable structural members and methods for making the same
08/08/2002US20020104350 Apparatus for manufacturing internal grooved tube
08/08/2002US20020104216 Tapered fin and method of forming the same
08/08/2002US20020104213 Process for manufacturing a cylindrical hollow body and hollow body made thereby
08/08/2002DE10101589C1 Wärmeaustauscherrohr und Verfahren zu dessen Herstellung Heat exchanger tube and method for its production
08/07/2002EP1227902A1 Method and apparatus for manufacturing a helically-wound lock-seam tube having air nozzles
08/06/2002US6428056 Method and apparatus for stacking ankle plates to permit free, sliding, lateral displacement of plates
08/06/2002US6427513 Process and device for producing pipes as per the UOE process
08/06/2002US6427508 Automated collar-forming drill mechanism
08/01/2002WO2002058861A1 Machine for producing spiral seamed pipe
08/01/2002WO2002024297A3 Apparatus and process for assembling exhaust processor components
08/01/2002WO2001060544A3 Tubular assembly having hydroformed interconnecting member and method for making same
08/01/2002US20020100304 Machine for producing spiral seamed pipe
08/01/2002US20020100160 Fuel inlet and manufacturing method thereof
07/2002
07/31/2002EP1225999A1 Method and device for the formation of pipes
07/31/2002EP0906168B1 Apparatus for painting tubing interiors during formation
07/31/2002CN1088414C Apparatus for and method for cutting spirally formed pipe by using non-rotating, overlapping knives
07/30/2002US6425279 Method of manufacturing gas springs
07/25/2002US20020096314 High performance micro-rib tube
07/24/2002EP1224044A1 Method for making a beam from a metal sheet
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