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)
12/2013
12/04/2013EP2667984A1 Automated pipe forming press comprising a light source for measuring the internal contour of the pipe
12/04/2013CN203316513U Full-automatic multi-station oil pipe joint stamping equipment
12/04/2013CN203316512U Precise headrest tube and molding equipment
12/04/2013CN203316511U Production equipment of magnesium alloy seamed pipe plate
12/04/2013CN103429766A Bainitic steel of high strength and high elongation and method to manufacture said bainitic steel
12/04/2013CN103418633A Apparatus for manufacturing turn-fin tube and method of manufacturing turn-fin tube
12/04/2013CN103418632A Production method of short-process steel wire
11/2013
11/28/2013WO2013175821A1 Hollow stabilizer, and steel pipe for hollow stabilizers and method for production thereof
11/28/2013WO2013175486A1 Method for producing "bi-metal" (ferrous/non-ferrous) tube
11/28/2013US20130312237 Method for roller burnishing a cylindrical component part surface
11/28/2013DE102012208860A1 Verfahren zur Herstellung von Kolbenringen A process for the production of piston rings
11/27/2013CN103406387A Small-diameter thick wall hot rolling processing system and method
11/27/2013CN103406386A Method for preparing TC4 titanium alloy wire
11/27/2013CN103406385A S-shaped cross section steel wire manufacturing die and manufacturing method of S-shaped cross section steel wires
11/27/2013CN102015141B Supporting core for producing hollow profiled elements
11/27/2013CN101708512B Finishing station of variable structure for machine for formation of pipes
11/26/2013CA2736618C Method of attaching a spiral welded roof on a hopper car
11/21/2013DE102012104229A1 Pressure wave supercharger, has separating plates having C-shaped cross-sectional configuration, where separation between two cells is formed by fundamental web
11/21/2013DE102012009845A1 Straight tube piece for manufacturing gutter drain bend for gutter pipe, has overlapping area bent in fold portion, so that portion of overlapping area is covered by metal sheet material layers in outer and inner sides of hollow cylinder
11/21/2013DE102012006472B4 Verfahren zur Herstellung geschweißter Rohre aus Stahl Process for the production of welded steel tubes
11/20/2013EP2077166B1 Longitudinal edge machining device for sheet metal
11/20/2013EP1919639B1 Method for making a cold-worked article
11/20/2013CN203292221U Intelligent blank tube production line
11/20/2013CN203292220U Device for manufacturing composite steel tube
11/20/2013CN103394547A Elbow forming method
11/20/2013CN103394546A Production method for longitudinal welded pipe
11/20/2013CN103394545A Precise machining method for capillary tube for biodegradable magnesium alloy intravascular stent
11/20/2013CN102365380B Electric resistance welded steel pipe having excellent workability and excellent post-quenching fatigue properties
11/19/2013CA2658125C Embedded metallic tubes with compression fit and method for manufacturing the same
11/13/2013CN203281640U Processing apparatus for large-diameter thin-walled pipes
11/13/2013CN203281639U Molding apparatus for large-diameter thin-walled pipes
11/13/2013CN203281638U Multi-line re-wound type steel wire production line
11/13/2013CN103386544A High-frequency welding power determination method of cold-bending thick-wall rectangular welding pipe
11/13/2013CN102500561B Deoiling device in steel wire production process
11/12/2013US8578745 Peening device
11/07/2013WO2013166018A1 Manufacturing method for generally cylindrical three-dimensional conformal liners
11/05/2013US8573022 Method for making enhanced heat transfer surfaces
11/05/2013CA2639402C Method for joining porous metal structures and structure formed thereby
10/2013
10/30/2013EP2656956A1 Method for manufacturing a longitudinally welded pipe from metal sheet with a discontinuous bevel and a metal pipe manufactured according to the method
10/30/2013EP2656944A1 Implant and method for producing the same
10/30/2013EP2655852A1 Tubular pressure accumulator, in particular for mixture compressing spark-ignition internal combustion engines
10/30/2013EP2655677A1 Process and plant for continuously manufacturing a steel wire
10/30/2013CN203253768U Squeeze roller adjusting device
10/30/2013CN103372581A Die replacement regulating rack of pipe welder
10/30/2013CN103372580A Pipe welder
10/30/2013CN103372579A Manufacturing process of aluminum-steel composite pipe with high thermal conductivity for petrochemical
10/30/2013CN103372568A Synchronous belt type cold rolling forming machine and cold rolling pipemaking machine
10/30/2013CN102581062B Method for producing seamless titanium and titanium alloy welded pipe
10/30/2013CN102059491B Pressure ring structure of ring sleeving machine
10/24/2013WO2013157422A1 Electric resistance welding operation management device, electric resistance welding operation management method, and computer program
10/23/2013CN103357697A Manufacturing technology of longitudinal submerged arc welded pipe
10/23/2013CN103357696A Production manufacturing process of large-diameter copper-nickel alloy seamless pipe
10/23/2013CN103357695A Processing method for flat wire used for tensioning wheel of engine
10/23/2013CN103357694A Method for producing tire bead steel wire
10/17/2013WO2013153972A1 Heat exchange tube attached with aluminum alloy inner groove
10/17/2013WO2013153819A1 High-strength thick-walled electric-resistance-welded steel pipe having excellent low-temperature toughness, and method for manufacturing same
10/17/2013WO2013153683A1 Device and method for producing flangeless closed-cross-section-structure component having curved shape
10/17/2013WO2013153681A1 Device and method for producing closed-cross-section-structure component
10/17/2013WO2013153680A1 Device and method for producing closed-cross-section-structure component having curved shape
10/16/2013CN103350125A Four-way reversing valve D connection tube processing process
10/16/2013CN103350124A Manufacturing method of straight-seam bi-metal composite welded pipe used for delivering petroleum and natural gas
10/15/2013US8555693 Method for forming hollow profiles
10/10/2013WO2013152255A1 Method of connecting non- symmetrical inside diameter vehicle spindle to stationary housing and axle assembly
10/10/2013WO2013151056A1 Uoe steel tube and structure
10/10/2013CA2811764A1 Methods of manufacturing steel tubes for drilling rods with improved mechanical properties, and rods made by the same
10/09/2013CN103343258A Preparation method of high-strength corrosion-resistant copper pipe for heat exchanger
10/09/2013CN103341523A Swelling pressure forming and manufacturing method of zirconium corrugated pipe
10/09/2013CN103341522A Production method of thick-walled titanium welded pipe and forming machine
10/09/2013CN103341521A Method for optimization of pipe integrated numerical control machining process
10/09/2013CN103341520A Preparation process of TB9 titanium alloy wire with rectangular section
10/09/2013CN103341519A Processing method and equipment for metal wire used for manufacturing of zipper
10/09/2013CN103341518A Manufacture method of aluminium boron alloy board for nuclear power
10/09/2013CN103341517A Energy-efficient and high-reflective composite aluminum and producing method thereof
10/08/2013US8551315 Method for electromechanical fabrication
10/03/2013WO2013145307A1 Molding device
10/02/2013CN203221083U Longitudinal welded pipe production line
10/02/2013CN103334053A High-strength steel tube for low-temperature use with superior buckling resistance and toughness in weld heat-affected areas, and manufacturing method for same
10/02/2013CN103331329A Powder medium and technology for forming three-way pipe
10/02/2013CN103331328A System and method for preparing longitudinal submerged arc welding (LSAW)
10/02/2013CN103331327A Bimetal composite pipe girth welding method
10/02/2013CN103331326A Tube making process of high molybdenum alloy and seamless steel tube with high molybdenum alloy
10/02/2013CN103331325A Method for manufacturing ultra-large-diameter pipeline
10/01/2013CA2749686C Hollow member and an apparatus and method for its manufacture
09/2013
09/26/2013WO2013139507A1 Heat exchanger, method for producing same and various systems having such a heat exchanger
09/26/2013WO2013139321A1 Method for producing welded pipes from steel
09/26/2013US20130247632 Method for producing spiral pipe
09/26/2013DE102012006472A1 Verfahren zur Herstellung geschweißter Rohre aus Stahl Process for the production of welded steel tubes
09/26/2013DE102012006015A1 Manufacturing pipes or profiles from endless metal strips, comprises transporting endless metal strips for degreasing treatment in section of rolling mill to process tunnel in which the metal strips are heated
09/25/2013CN203209467U Aluminum foil tube production equipment
09/25/2013CN203209466U Production equipment for combined forming process for rolling and drawing steel wire with rectangular section
09/25/2013CN103328121A Automated pipe forming press comprising a light source for measuring the internal contour of the pipe
09/25/2013CN103316953A Manufacturing process of internally and externally thickened oil tubes
09/25/2013CN103316952A Continuous extrusion process of solar energy flat pipe with fins and solar energy flat pipe
09/25/2013CN103316951A Large-scale steel pipe
09/25/2013CN103316950A Spinning forming device for large-diameter thin-walled pipes and application method thereof
09/25/2013CN103316949A Corrosion-resistant alloy tube manufacturing process and corrosion-resistant alloy seamless steel tube
09/25/2013CN103316948A Intelligent blank tube product line
09/25/2013CN102274871B Method and equipment for producing longitudinal submerged arc welded pipe
09/19/2013WO2013138806A1 Method of forming integrated drive shaft and yoke
09/18/2013EP2638981A1 Permanent electrical contact applicable to the web of rails and the like
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 ... 98