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)
07/2013
07/03/2013CN103182402A Tensioning mechanism and manufacturing method thereof and gun barrel
07/03/2013CN102308013B High-strength steel tube for low-temperature use with superior buckling resistance and toughness in weld heat-affected areas, and manufacturing method for same
07/02/2013US8474300 Methods to provide a feature on a needle
07/02/2013CA2726132C Method for producing a large steel tube
07/02/2013CA2551646C Indented tube for a heat exchanger
06/2013
06/27/2013WO2013091973A1 Modular pipe welding device and method for producing a pipe
06/27/2013WO2013090985A1 Rail forming apparatus
06/26/2013CN203018482U Reinforced compound processing system of spiral bar and thin-walled steel pipe
06/26/2013CN203018481U Lead belt production line
06/26/2013CN103170522A Flat copper pipe assembly line and production method thereof
06/26/2013CN103170521A Method for producing inner liner bimetal composite tube through adopting stepping diameter expansion technology
06/26/2013CN102357554B Metal tube necking cutting machine
06/25/2013US8468862 Peening process for enhancing surface finish of a component
06/20/2013DE102011089208A1 Modulare Rohrschweißvorrichtung und Verfahren zur Herstellung eines Rohrs Modular pipe welding device and method for manufacturing a tube
06/19/2013CN203002824U Hollow pipe machine for machining noble metals
06/19/2013CN203002823U Indentation device for steel wire
06/19/2013CN103167917A Apparatus and method for producing at least partially closed hollow profiles with a short cycle time
06/19/2013CN103157696A Stainless steel pipe manufacturing method and application of stainless steel pipe in electric cable of submersible pump
06/19/2013CN103157695A Coiled pipeline rectification apparatus
06/19/2013CN103157694A Manufacturing method of steel tube provided with rack-shaped inner wall
06/19/2013CN103157693A Production process of high-temperature-resistant metal composite pipe
06/19/2013CN103157692A Preparation method for zinc-based alloy specially-shaped tube
06/19/2013CN103157691A Copper flat wire processing method
06/19/2013CN103157690A Production method of hot-rolling and acid-washing automobile crossbeam steel belt
06/19/2013CN102416411B Manufacturing method of directly cold-drawn spring steel wire with excellent fatigue performance
06/19/2013CN102330032B Acid-proof X70MS steel-grade spiral welded pipe and manufacturing method thereof
06/19/2013CN102294379B Method for manufacturing seamless steel pipe for high-pressure gas cylinder with large caliber
06/19/2013CN102172663B Production technology and equipment for composite steel tubes
06/18/2013US8466389 Directionally solidified superalloy weld wire
06/18/2013US8465235 Apparatus and method for forming annular grooves on the outer surface of a cable or tube
06/13/2013WO2009057830A9 Welded state monitoring device and method
06/12/2013EP2602032A1 Method for producing a multilayer metal tube and multilayer metal tube produced accordingly
06/12/2013CN202984331U Automatic material beating and joining device
06/12/2013CN103153498A Device and method for producing at least partially closed hollow profiles with rotatable die halves and low cycle time
06/12/2013CN103146959A U-shaped seamless nickel-chromium iron alloy heat transfer tube for nuclear steam generator
06/12/2013CN103143895A Manufacturing method of variable cross-section pipe fitting
06/12/2013CN103143894A Manufacturing method of variable cross-section pipe fitting
06/12/2013CN103143590A Thin-plate straight reelpipe welding method and device
06/12/2013CN103143589A Manufacturing method of high-performance carbon steel seamless pipe
06/12/2013CN103143588A High-strength aluminium wire producing method
06/12/2013CN103143587A Device and method suitable for improving yield of welding leading tape of double-stander cold rolling mill
06/12/2013CN102284547B Method for processing rectangular aluminum alloy waveguide through multi-pass rolling drawing
06/12/2013CN102203303B Method for manufacturing steel plate and steel pipe for ultrahigh-strength line pipe
06/12/2013CN102203301B Method for manufacturing steel plate and steel pipe for ultrahigh-strength line pipe
06/11/2013US8459086 Process for producing a die
06/06/2013WO2013080132A1 Armature for concrete coating of tubes
06/06/2013US20130140345 Method of manufacturing continuous sucker rod
06/05/2013CN202963818U Automatic temperature controlling system of tube manufacturing machine
06/05/2013CN202963082U Die for forming corrugated hose
06/05/2013CN202963081U Flexible metal protecting casing winding machine
06/05/2013CN202963080U Front cover of nut fastening mechanism for tubing machine
06/05/2013CN202963079U Thimble on nut fastening clip of tubing machine
06/05/2013CN103131947A High-performance low-carbon microalloy steel SEW (hot stretch-reducing electric welding) expansion casing and manufacturing method thereof
06/05/2013CN103128129A Short-flow preparation method of Ni-Cr-Mo corrosion-resistant alloy tube
06/05/2013CN103128128A PLC (Programmable logic controller) controlled cold-drawn multi-thread steel bar automatic production line
06/05/2013CN103128127A Parallel wire roller pulling combined forming technology and production equipment thereof
06/05/2013CN102176987B Method of profiling a tube of given length
06/04/2013US8453305 Peen finishing
05/2013
05/30/2013US20130136550 Round tool blank and method and device for making the same
05/29/2013EP2595769A1 Flexible tube, manufacturing method and apparatus
05/29/2013DE102011009660B4 Vorrichtung und Verfahren zum Umformen von Flachprodukten in Schlitzrohre oder Rohrvorprodukte Apparatus and method for forming of flat products in slot pipe or precursors
05/29/2013CN103121047A Method for manufacturing pure titanium tube by welding and spinning rolling plate
05/29/2013CN103121046A Method and equipment for producing double-metal composite material by longitudinally wrapping and welding metal strip
05/29/2013CN103121045A Method and equipment for producing double-metal composite material by lapping metal strip
05/28/2013US8448486 Apparatus for forming curls in reinforcing material-attached profile strip, method for producing spiral pipe, and apparatus for producing spiral pipe
05/23/2013DE102011118939A1 Stretchable metal hose for use in exhaust system of passenger car, has polygonal-shaped radial section whose polygon edges have different shapes at periphery, where three of polygon edges are shaper than other edges of radial section
05/22/2013EP2594355A1 Cross cutting and seam welding machine with a device for positioning two opposing ends of materials one against the other
05/22/2013CN202943104U Tube-making machine chute steel wire clip
05/22/2013CN202943103U Cap tightening mechanism connecting block of tube-making machine
05/22/2013CN202943102U Cap tightening clamping piece mechanism of tube machine
05/22/2013CN202943101U Cap tightening clamping piece of tube-making machine
05/22/2013CN202943100U Wire forming device for lead alloy rod
05/22/2013CN202943099U Tool of wire forming device of lead alloy rod
05/22/2013CN103114229A Aluminum-alloy rivet wire for aerospace and manufacturing method thereof
05/22/2013CN103111487A Preparation method of platinum-coated palladium wire for hot resistance lead
05/22/2013CN103111486A Steel wire nicking device
05/21/2013US8444042 Method for producing steel pipe plated with metal by thermal spraying
05/16/2013WO2013069748A1 Monitoring device, method, and program for seam welding, and storage medium
05/16/2013DE102007039320B4 Verfahren zur Herstellung eines Rohrs A method of manufacturing a tube
05/16/2013CA2854097A1 Monitoring apparatus, method, program, and storage medium for electric resistance welding operation
05/15/2013EP2591131A1 Metallic shaped wire with a recrystallization cube texture and process for the production thereof
05/15/2013CN202933965U Processing equipment for outer-finned tube
05/15/2013CN202933964U Novel numerical control pipe-bending and hole-pulling integrated machine
05/15/2013CN103108707A Method for manufacturing pipe
05/15/2013CN103100578A Composite layer metal pipeline
05/15/2013CN103100577A Production technology of bright steel wire
05/15/2013CN103100576A Water-cooling roller device for drawing amorphous wire
05/08/2013CN202921678U Roller seat spacing limiting tool of forming machine
05/08/2013CN202921677U Automatic forming shearing machine
05/08/2013CN103097048A Flexible tube, manufacturing method and apparatus
05/08/2013CN103084427A Manufacturing method of hardenability steel tube
05/08/2013CN103084426A Manufacturing method of stainless steel special pipe for nuclear fusion reactor
05/08/2013CN102203302B Method for manufacturing steel plate and steel pipe for ultrahigh-strength line pipe
05/08/2013CN102000716B Production line of major diameter straight welded pipe
05/08/2013CN101934303B Multi-layer pipe and method for its production
05/07/2013US8434207 Corrugated conduit and method of expanding to form a lined tubular member
05/01/2013CN202910102U Novel splitting-material processing equipment
05/01/2013CN103075582A Large-caliber steel-plate net riveting plastic composite pressure pipe and production method
05/01/2013CN103075111A Coiled tubing with different strength sections and manufacturing method thereof
05/01/2013CN103071699A Processing system for spiral hooping reinforced thin-wall mental tube
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