B21C 37 - Manufacture of metal sheets, rods, wire, tubes, profilesor like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape

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)
12/2011
12/21/2011	CN102284550A 螺旋缝埋弧焊管制造工艺 SSAW pipe manufacturing process
12/21/2011	CN102284549A 具有冶金结合的铝包铜管的制造方法 A process for production of metallurgical bonding of aluminum-clad brass
12/21/2011	CN102284548A 一种钢带卷管机的断带保护装置 Fault protection device with a strip of paper tube machine
12/21/2011	CN102284547A 多道次滚动拉拔加工矩形铝合金波导管的方法 Multi-pass rolling aluminum rectangular waveguide drawing method
12/21/2011	CN102284546A Method and special die for manufacturing composite pipeline
12/21/2011	CN102284545A 实现无氧铜杆质量分级控制的方法 Implementation of hierarchical control quality oxygen-free copper rod
12/21/2011	CN101767122B 一种不锈钢花纹焊管的生产方法 One kind of pattern welded stainless steel production methods
12/21/2011	CN101300090B 具有极佳焊缝特性的电阻焊接管的制造设备 Resistance welding with excellent welding characteristics takeover of manufacturing equipment
12/20/2011	US8079120 Method for determining initial burnishing parameters
12/15/2011	DE102010023384A1 Herstellungsverfahren, insbesondere für Rohre und Abreißvorrichtung Manufacturing processes, in particular for pipes and tear-off
12/14/2011	EP2395122A1 High-strength steel tube for low-temperature use with superior buckling resistance and toughness in weld heat-affected areas, and manufacturing method for same
12/14/2011	CN202070596U 简易开式压力机 Easy open press
12/14/2011	CN1816402B 由平面的金属薄板制造空心型材的方法 Method of manufacturing a metal sheet plane hollow sections
12/14/2011	CN102278541A 双金属复合管及制备方法 Bimetallic composite pipe and preparation methods
12/14/2011	CN102274871A 一种直缝埋弧焊管的生产方法及生产设备 Production methods and a straight seam submerged arc welded pipe production equipment
12/14/2011	CN102274870A 不锈钢荒管的生产工艺 Shortage of stainless steel pipe production process
12/14/2011	CN102029307B 一种电缆自承线用锌包钢的生产工艺 A self-supporting cable wire clad with zinc production process
12/14/2011	CN101927425B 一种大型换热器换热板的连续制造方法与生产线 A large, heat exchanger plates continuous production method and production line
12/14/2011	CN101708513B 一种闭口冷弯型钢的成型与焊接工艺 One kind of cold-formed steel closed molding and welding
12/14/2011	CN101698206B 一种钛铜复合丝的制造工艺 Titanium-copper composite wire manufacturing process
12/14/2011	CN101518789B 不锈钢超微丝生产工艺 Stainless steel wire production process ultrafine
12/13/2011	US8075978 Method for producing an annular honeycomb body, and annular honeycomb body
12/13/2011	CA2601112C Tool for making enhanced heat transfer surfaces
12/08/2011	WO2011151971A1 Double-walled pipe with a gap, and manufacturing method therefor
12/08/2011	DE102010022713A1 Vorrichtung und Verfahren zur Herstellung von Rohren Device and method for the manufacture of pipes
12/07/2011	EP2392417A1 Methods of manufacturing a flattened tube for use in heat exchangers and heat exchanger comprising such a flattened tube
12/07/2011	EP2391464A1 Apparatus for and method of manufacturing a helically wound tubular structure
12/07/2011	EP2391463A1 Apparatus for and method of manufacturing a helically wound tubular structure
12/07/2011	EP2391462A1 Apparatus for and method of manufacturing a helically wound tubular structure
12/07/2011	EP2391461A1 A winding apparatus for and method of manufacturing helically wound tubular structures
12/07/2011	CN202061925U 一种金属软管成型机 Metal tube forming machine
12/07/2011	CN102266876A 无缝叉形管成型工艺及成型模具 Seamless fork tube molding process and mold
12/07/2011	CN102266875A 用于生产螺杆转子的设备 Equipment for the production of the screw rotor
12/07/2011	CN101898204B 一种微细沟槽管多级拉拔制造方法 A microstructure pipe trench method of manufacturing a multi-stage drawing
12/07/2011	CN101780490B 钛铜复合丝制备工艺 Preparation of titanium copper composite wire
12/07/2011	CN101670368B 焊管机组的等刚性机架 Rigid pipe rack units, etc.
12/06/2011	US8070887 Low temperature toughness; deformation
12/01/2011	US20110293359 Ball joint and method for the production thereof
11/2011
11/30/2011	EP1702084B1 METHOD FOR PRODUCING (Nb, Ti)<SB>3</SB>SN WIRE BY USE OF Ti SOURCE RODS
11/30/2011	CN202052793U 大口径螺旋波纹管机 Large diameter spiral corrugated pipe machine
11/30/2011	CN202052792U 辊式成型机 Roll forming machine
11/30/2011	CN202052791U 方矩管单焊缝合缝机 Rectangular Pipe weld together single sewing machine
11/30/2011	CN202052790U 铝管加工装置 Aluminum processing equipment
11/30/2011	CN102265420A 构成超导体的前体的金属组合件及适于制备超导体的方法 The metal constituting the assembly of superconductor precursors and methods suitable for the preparation of superconductors
11/30/2011	CN102261640A 余热锅炉用异型管及其加工方法 Waste heat boiler Pipes and processing methods
11/30/2011	CN101610869B 电阻焊钢管的制造方法及其制造装置 Manufacturing method and apparatus for producing electric resistance welded steel pipe
11/29/2011	CA2509315C Process for the continuous production of longitudinally welded metal tubes
11/24/2011	WO2011145234A1 Automotive underbody part having excellent low cycle fatigue properties, and process for production thereof
11/24/2011	WO2011144427A1 Method for producing a hollow profiled section
11/24/2011	WO2011144262A1 Method and device for controlling a thermal cycle of a weld joining ends of strip together
11/24/2011	US20110288630 Endoprosthesis containing multi-phase ferrous stell
11/24/2011	DE102010017022A1 Verfahren zum Herstellen eines Hohlprofils A method of manufacturing a hollow profile
11/23/2011	CN202045188U Horizontal rewinding device for copper-nickel alloy disc stretched tube
11/23/2011	CN202045187U Combine-drawing, flaw-detecting and finishing processing equipment for cupronickel alloy condensing tube
11/23/2011	CN102248023A Method for manufacturing X70 steel-level large deformation-resistant longitudinally submerged arc welding pipe
11/23/2011	CN102248022A Process for manufacturing bimetal thin-wall composite pipe
11/22/2011	CA2638681C Oil country tubular good for expansion in well and manufacturing method thereof
11/17/2011	US20110277525 Apparatus for and method of manufacturing a helically wound tubular structure
11/17/2011	DE102010016960A1 Verfahren zur Herstellung von Hohlprofilen mit einem Längsflansch A process for the production of hollow profiles with a longitudinal flange
11/16/2011	CN202037203U Automatic dividing and cutting machine for flat steel wires
11/16/2011	CN102240898A Preparation method for heat exchange tube used for extracting temperature of sewage
11/16/2011	CN102240890A Manufacturing method of thick-walled titanium tube
11/16/2011	CN102240700A Method for extruding and forming stainless steel three-way joint
11/16/2011	CN102240699A Method and device for forming bamboo-imitative metal tube
11/16/2011	CN102240698A Reducing and hot-pressing formation method for high-pressure bend elliptical pipe billet
11/16/2011	CN102240697A Production method and production line of copper coil pipe
11/16/2011	CN102240696A Method for preparing copper and copper alloy pipes
11/16/2011	CN102240695A New, efficient and environmentally-friendly process for producing high-quality copper profiled bar
11/10/2011	WO2011140377A1 Barrel form and manufacturing process for same
11/10/2011	US20110271730 Apparatus for and method of manufacturing a helically wound tubular structure
11/09/2011	EP2384835A1 Method for manufacturing a rotor for a generator
11/09/2011	CN102233365A Manufacturing process of small-diameter seamless steel tubes
11/09/2011	CN102233364A Martensite air valve steel bar production method
11/09/2011	CN101829706B Production technology for quick coupling tube
11/09/2011	CN101622084B Method for producing steel conduit tube and high si component or high cr component steel conduit tube
11/09/2011	CN101458016B Refrigerant piping unit and method of manufacturing pipe for the same
11/09/2011	CN101312796B Device and method for continuously perforating roll material and forming tube
11/03/2011	DE102010018504A1 Producing a hollow profile, preferably a tube made of a semi-finished metal, comprises welding the semi-finished product along a weld seam running in extending direction of the hollow profile to be produced, and using friction stir welding
11/02/2011	EP2383065A2 Dual seam electric resistance welded tubes
11/02/2011	CN102231293A Copper-coated rear earth aluminum alloy flat wire or flat cable and manufacturing method thereof
11/02/2011	CN102230097A Preparation method of titanium alloy bars
11/02/2011	CN101670389B Manufacturing process of cold-drawing seamless steel tube for vehicular compressed natural gas annular-wrapped gas cylinder
11/01/2011	US8049131 Ultrahigh strength welded joint and ultrahigh strength welded steel pipe excellent in cold cracking resistance of weld metal, and methods for producing the same
11/01/2011	US8047045 Apparatus and method for forming a tube with a tetragonal cross-section, having a reinforced end
10/2011
10/30/2011	CA2738518A1 Dual seam electric resistance welded tubes
10/26/2011	CN102225434A Method for preparing tungsten copper alloy wire materials by using hot-swage technology
10/26/2011	CN101745563B Preparation method of steel billets with different thickness for cutters for cutting crop straw, bamboo and wood
10/25/2011	US8042369 Tools, machines and processes for deburring cut edges on workpieces
10/20/2011	US20110255302 Light guide panel assemblies
10/20/2011	US20110252624 Corrugated conduit and method of expanding to form a lined tubular member
10/19/2011	EP2378327A2 Light guide panel assembly
10/19/2011	EP2377627A1 A bimetallic tube, apparatus comprising such a tube and method of manufacturing an apparatus comprising a bimetallic tube
10/19/2011	CN102218473A Structure of positioning block of mold core of three-way pipe part
10/19/2011	CN102218455A Machining technology for Y-shaped three-way pipe
10/19/2011	CN102218454A Production technology of aluminum alloy circular pipe for producing photosensitive drum of fine definition laser printer
10/18/2011	US8039118 Welded steel pipe for high strength line pipe superior in low temperature toughness and method of production of the same
10/18/2011	CA2489104C Method of manufacturing a tube
10/13/2011	US20110250471 Ultrahigh strength welded joint and ultrahigh strength welded steel pipe excellent in cold cracking resistance of weld metal, and methods for producing the same
10/13/2011	US20110250365 Continuously Manufactured Colored Metallic Products and Method of Manufacture of Such Products
10/13/2011	US20110247941 Method for Electrochemical Fabrication

1 ... 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 ... 98