Patents
Sitemap › B21 - Mechanical metal-working without essentially removing material; Punching metal › B21C - Manufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling; Auxiliary operations used in connection with metal-working without essentially removing material › 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)
05/2012
05/09/2012CN102441585A Preparation method of aluminium alloy composite pipe
05/09/2012CN102441584A Preparation method of thick slab of chamfer titanium alloy
05/09/2012CN101767116B Manufacturing method of specially shaped taper pipe, and pipe-shrinkage machine and moulding mold therefor
05/03/2012WO2012030244A3 Method and system proposed for the manufacturing of hollow profile objects
05/03/2012WO2012000490A3 Method and device for incrementally shaping profiled pipes, in particular profiled pipes having cross-sections that vary over the longitudinal axis and profiled pipe of this type
05/02/2012EP2447380A1 Copper alloy bonding wire for semiconductor
05/02/2012EP2446975A1 Method for manufacturing a flexible piping device for an exhaust gas system of a motor vehicle
05/02/2012EP2445660A2 Bar made of noble metal, and production method
05/02/2012EP1854562B1 Method of production of a high-strength welded steel pipe excellent in hydrogen embrittlement cracking resistance of weld metal
05/02/2012CN202207720U Flexible forming machine
05/02/2012CN102438765A Barrel form and manufacturing process for same
05/02/2012CN102434729A Double-wall pipe
05/02/2012CN102430611A High-grade titanium alloy pipe production process for main pipeline of supercritical water reactor nuclear power station
05/02/2012CN102430610A Preparation method for molybdenum alloy wires doped with nanometer rare earth oxides
04/2012
04/26/2012WO2012053172A1 Method for manufacturing double pipe having braided wire
04/26/2012WO2012052652A1 Electric power cable having a composite central rod
04/26/2012DE102011008997A1 Producing a longitudinally welded hollow profile, comprises forming a slot profile from a sheet metal plate made of a light metal alloy, preferably an aluminum base alloy, by at least one pressing tool, and welding the slot of slot profile
04/26/2012DE102006008083B4 Strukturiertes Wärmeaustauscherrohr und Verfahren zu dessen Herstellung Structured heat exchanger tube and method for its production
04/25/2012EP2442925A1 Method and device for process monitoring and process control during expansion of uoe pipes made of steel
04/25/2012CN202199613U 锡线自动生产系统 Tin line automatic production system
04/25/2012CN101885008B 超长铜合金管的连续生产方法 The continuous production of long copper alloy tube
04/24/2012CA2555243C Method for making metal cladded metal matrix composite wire
04/19/2012WO2012051335A1 Coiled tubing with improved fatigue resistance and method of manufacture
04/19/2012DE102010038231A1 Method for processing and calibrating pipe end at lengthwise-welded tubular workpiece in e.g. automobile region, involves removing calibration and drawing rings under maintenance of calibration gap on pipe end
04/19/2012CA2814200A1 Coiled tubing with improved fatigue resistance and method of manufacture
04/18/2012EP2442059A1 Metal plate used for heat exchange and method for manufacturing metal plate used for heat exchange
04/18/2012EP2440342A2 A low carbon welded tube and process of manufacture thereof
04/18/2012EP2440135A1 Microneedle and method for the production thereof
04/18/2012EP2232120B1 Aluminum foil based hose
04/18/2012CN202192118U 生产高强度、高洁净度直缝高频焊接钢管的连续水冷系统 Production of high-strength, high cleanliness of the high-frequency straight seam welded steel pipe continuous water cooling system
04/18/2012CN102421926A HIC-resistant thick steel sheet and UOE steel pipe
04/18/2012CN102421478A Wire configuration and method of making for an implantable medical apparatus
04/18/2012CN102416554A 风电安装船桩腿的制作工艺 Wind power installation vessel leg of the production process
04/18/2012CN102416413A 一种大直径铝合金管材的制备方法 Method for preparing a large-diameter aluminum pipe
04/18/2012CN102416412A 精加工钢管的生产设备 Finishing pipe production equipment
04/18/2012CN102416411A Manufacturing method of directly cold-drawn spring steel wire with excellent fatigue performance
04/18/2012CN101428304B 银铜板（排、棒、管）生产工艺 Silver-copper (row, rods, tubes) production technology
04/12/2012US20120085139 Ball screw for producing a threaded nut of a ball screw drive
04/11/2012CN202185476U 金属管缩口开料机 Necking metal pipe cutting machine
04/11/2012CN202185475U 多功能单钩调速金属软管机 Multifunction single hook speed metal hose machine
04/11/2012CN102410765A 一种复合结构的超薄型热导管及其制作方法 Ultra-thin heat pipe and its production method of composite structures
04/11/2012CN102409377A 一种铜/铝复合导电排的电镀制备方法及其装置 A copper / aluminum composite conductive row plating method and apparatus for preparing
04/11/2012CN102407425A 船用钢通风钢管的制造方法 Marine steel pipe manufacturing method of ventilation
04/11/2012CN102407249A 卫浴铜合金管件高温阶梯式分段增压吹气成型制法 High-temperature copper alloy fittings sanitary stepped segment booster Blow molding system of law
04/11/2012CN102407248A 管线钢钢管的制造方法 Pipeline steel pipe manufacturing method
04/11/2012CN102407247A 高温高压锅炉用钢直缝埋弧焊钢管的制造方法 High temperature and high pressure boiler steel straight seam submerged arc welded steel pipe manufacturing method
04/11/2012CN102407246A 高强度桥梁钢钢管的制造方法 High-strength steel pipe manufacturing methods bridge
04/11/2012CN102407245A 一种相变诱发塑性钢无缝管的生产方法 A phase change induced plasticity steel seamless pipe production methods
04/05/2012WO2012043924A1 Internal smooth tube having lock seam formed on outer circumference of steel pipe and manufacturing method and device thereof
04/04/2012EP2436808A1 Multi-filament with annealed copper core and drawn steel layer
04/04/2012EP2436807A1 Multi-filament with drawn steel core and annealed copper layer
04/04/2012CN202180105U 用于生产螺杆转子的设备 Device for the production of the screw rotor
04/04/2012CN202180104U 螺旋风管机上的防折装置 Anti-fold device spiral duct machine
04/04/2012CN102405116A 一种低碳焊管及其制作方法 One kind of carbon steel pipe and its production method
04/04/2012CN102401195A 不锈钢变径管及其加工方法 Stainless steel adjustable tube and processing method
04/04/2012CN102397910A 一种导轨条型材生产工艺 One kind of profile rail strip production process
03/2012
03/29/2012WO2012038323A1 Brush deburring machine
03/29/2012US20120073343 Method for producing metal sealing elements
03/29/2012CA2814965A1 Brush-type deburring machine
03/28/2012CN202176830U 双金属复合管 Bimetallic composite pipe
03/28/2012CN202174122U 多头螺旋铜管成形专用设备 Long spiral brass molding equipment
03/28/2012CN202174121U 柔性成型的直缝埋弧焊管连续生产线 Flexible molding LSAW pipe continuous production line
03/28/2012CN102389910A Head stretching machine for bimetallic composite wire rod processing
03/27/2012US8141405 Method for producing ultra thin wall metallic tube with cold working process
03/27/2012US8141404 Method of manufacturing structural components from tube blanks of variable wall thickness
03/22/2012WO2012035150A2 Method for encasing a body of an exhaust gas system
03/22/2012WO2012034967A1 Device and method for producing at least partially closed hollow profiles with rotatable die halves and low cycle time
03/22/2012WO2012034966A1 Apparatus and method for producing at least partially closed hollow profiles with a short cycle time
03/21/2012CN102380519A High-frequency heating automatic scalping device for steel wire bar
03/21/2012CN102380518A New production process for producing oxygen-free transformer copper strip
03/21/2012CN101249526B Copper covered aluminum wire forming technique
03/15/2012US20120064331 Metal lamination film
03/15/2012US20120060963 Silver yarn, plied yarn silver yarn, functional fabric using same, and method for producing same
03/14/2012EP2428289A1 Method of fabricating sleeves for trampolines
03/14/2012EP1848553B1 Wire for refining molten metal and associated method
03/14/2012EP1711377B1 Method of forming a reinforced hole in a bumper beam
03/14/2012CN202162230U 金属软管成型机用模具架结构 Metal hose forming machine mold frame structure
03/14/2012CN202162229U 扁金属线材成型装置 Flat metal wire forming apparatus
03/14/2012CN102373368A Steel for petroleum casing pipe and manufacturing method thereof
03/14/2012CN102371288A Preparation method of high-precision and high-strength titanium alloy seamless tube
03/13/2012US8133048 Method and blank for producing a screw-tube conveyor and screw-tube conveyor produced in this way
03/13/2012CA2710630C A variable linear geometry machine for continuously forming square tubes
03/08/2012DE102010044463A1 Method for manufacturing bimetal pipes utilized as e.g. construction pipes in steel structural engineering for transportation of corrosive components, involves removing hydraulic fluid and removing end terminals from hydraulic system
03/08/2012DE102010040249A1 Doppelwandiges Rohr Double-walled
03/08/2012DE102006049659B4 Verfahren zur Herstellung von Rohren A process for the manufacture of pipes
03/07/2012EP2425906A1 Double wall pipe and its method of manufacturing
03/07/2012CN202155390U 异型金属带互锁装铠设备 Shaped metal band interlock armoring equipment
03/07/2012CN202155389U 一种新型的连续拉拔铝管 A novel continuous drawing tubes
03/07/2012CN102367509A Method for producing high steel grade corrosion-resistance steel pipe used for offshore petroleum platform
03/07/2012CN102366767A Production method of steel pipe
02/2012
02/29/2012EP2423338A1 Shape setting a shape memory alloy dental arch
02/29/2012CN202151638U 后弯处理前的扩缝机构 Curved seam agency after pre-treatment
02/29/2012CN202151637U 金属软管成型机传动机构 Metal hose forming machine transmission mechanism
02/29/2012CN202151636U 金属软管成型机 Metal hose forming machine
02/29/2012CN102365380A Electric resistance welded steel pipe having excellent workability and excellent post-quenching fatigue properties
02/29/2012CN102363863A 20Cr13 martensitic stainless steel tube blank and its manufacturing method
02/29/2012CN101525715B Anticorrosion high-strength alloy and smelting method thereof, as well as product of alloy and processing method of same
02/23/2012US20120042705 Apparatus for and method of manufacturing a helically wound tubular structure
02/22/2012EP1879706B1 Method of rolling a metal strip
02/22/2012EP1474624B1 Single seal with resilient member
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