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)
06/2010
06/23/2010CN101745566A Preparation method and device of high-precision metal amorphous tube
06/23/2010CN101745565A Rectangular metal hose forming machine
06/23/2010CN101745564A Coiling device of novel metal hose
06/23/2010CN101745563A Preparation method of steel billets with different thickness for cutters for cutting crop straw, bamboo and wood
06/17/2010DE19725220B4 Verfahren zur Herstellung eines Hochdruck-Kraftstoff-Einspritzrohres A method for producing a high pressure fuel injection tube
06/16/2010CN101733637A Aluminum strip forming machine
06/16/2010CN101733304A TiNi base shape memory alloy tube hydraulic extrusion moulding method
06/16/2010CN101733303A Method for making 17-7PH thick wall seamless pipe
06/16/2010CN101733302A Method for manufacturing heavy wire of Dumet wire
06/15/2010US7736451 Solution treatment to extruded pipe material of a precipitation-hardening type aluminum alloy of high hardness; reversion treatment by a first spinning work treatment in which a roller is pressed on the edges ofrotating pipe material; artificial aging; outer tube of the front fork for a motor bike
06/10/2010WO2010063397A1 Method for producing mufflers for motor vehicles
06/10/2010WO2010063132A1 Method and apparatus for producing pipe sections using a laser beam movable by a scanning device, and corresponding pipe section
06/10/2010DE102009020146B3 Connecting ends of steel tubes by orbital welding in laser-light-arc hybrid technology, comprises connecting tube ends with welding positions, and guiding laser- and light arc welding head as tool over guiding ring during welding process
06/10/2010DE102004019698B4 Gewendeltes Rohrelement Coiled tubing element
06/09/2010CN201503554U composite tube welding formation device control system
06/09/2010CN201500692U Molding machine for multi-head super-long spiral pipe
06/09/2010CN101725254A Method for equal intensity substitution of round steel by cold-rolled ribbed steel bar
06/09/2010CN101724793A Process for producing non-quenched and tempered N80 steel grade petroleum pipeline
06/09/2010CN101722211A Open type built-in stainless steel dual-metal spiral composite pipe forming device
06/09/2010CN101722210A Method for forming drum skin
06/09/2010CN101722209A Preparation method of large slenderness ratio and high-toughness magnesium alloy capillary
06/09/2010CN101722208A Method for preparing TZM molybdenum alloy sheet for transmitting tube grid
06/09/2010CN101323081B Method for producing roller body of high precision compound guiding cloth guide roller
06/08/2010US7731823 Ultrasonic energy system and method including a ceramic horn
06/08/2010US7730754 Apparatus and method for manufacturing spiral duct
06/02/2010CN101717886A Hot rolled dual phase steel plate with 650MPa of tensile strength and manufacturing method thereof
06/02/2010CN101716616A Method for producing seamless steel tube by combination of drawing and expanding and device thereof
06/02/2010CN101394952B Mechanical expander and production method for seamless steel pipe
06/02/2010CN101386041B Cold roll forming technique of large-sized curve type steel tube
06/02/2010CN101239361B Manufacturing and processing method of D-type copper pipe
06/01/2010US7726001 Method of manufacturing a coupling assembly
05/2010
05/27/2010WO2010057319A1 Method for producing a cellular wheel
05/27/2010US20100128416 Composite cathode foils and solid electrolytic capacitors comprising the same
05/27/2010DE10147498B4 Verfahren zur Herstellung von Gasverteilerrohren, insbesondere für Fahrzeug-Airbags A process for the production of gas distribution pipes, in particular for vehicle airbags
05/26/2010CN1917969B Method for making metal cladded metal matrix composite wire
05/26/2010CN1898043B Gas generator
05/26/2010CN101715374A Device and method for producing profiles
05/26/2010CN101712050A Continuous extrusion and continuous rolling process method and production line used for producing oxygen-free copper strip billet
05/25/2010US7721443 Method for producing a vehicle axle
05/25/2010CA2303732C Multi-layered anti-coking heat resisting metal tube and the method for manufacturing thereof
05/19/2010CN201475627U Hollow pipe
05/19/2010CN1990132B Method of making sleeve tube
05/19/2010CN101709433A Steel tube with low temperature resistance and high strength and production method thereof
05/19/2010CN101709425A High-strength steel plate for super-thick 80,000-ton large-scale forging press brackets, and production method thereof
05/19/2010CN101709416A Paper-making aluminum alloy strip and manufacturing method thereof
05/19/2010CN101709407A Preparation method of ferrimanganic copper-nickel tube
05/19/2010CN101709403A Method for preparing brass seamless tubes by adopting hollow ingots
05/19/2010CN101708514A Method for processing open-web sharp-angled rhomboid tube
05/19/2010CN101708513A Process for forming and welding closed-end cold-bent section steel
05/19/2010CN101708512A Finishing station of variable structure for a machine for the formation of pipes
05/19/2010CN101708511A Method for manufacturing pure titanium seamless tubes
05/19/2010CN101708510A Processing technology for processing high-purity high-conductivity oxygen-free copper bar
05/18/2010US7717166 Fin stock for a heat exchanger and a heat exchanger
05/18/2010CA2349080C Application of a hybrid arc/laser process to the welding of pipe
05/14/2010WO2010052928A1 Method for manufacturing steel plate and steel pipe for ultrahigh-strength line pipe
05/14/2010WO2010052927A1 Method for manufacturing steel plate and steel pipe for ultrahigh-strength line pipe
05/14/2010WO2010052926A1 Method for manufacturing steel plate and steel pipe for ultrahigh-strength line pipe
05/14/2010WO2010051594A1 Reinforcing
05/14/2010CA2742721A1 Reinforcing
05/12/2010DE102006049451B4 Verfahren zur Herstellung von Hohlwellen zur Kraftübertragung, eine zugehörige Hohlwelle sowie deren Verwendung A process for the production of hollow shafts for transmitting power, an associated hollow shaft and the use thereof
05/12/2010CN201455040U Open tube blank joint closing misalignment correcting guide device
05/12/2010CN1572416B Method and apparatus of manufacturing drum
05/12/2010CN101704035A Processing method of high-strength titanium alloy thin-walled tube stock
05/12/2010CN101704034A Method for producing wire and bar materials
05/11/2010CA2473111C Support for moving cylindrical elements and a method and conveyor using such supports
05/06/2010US20100107529 Hollow profile, particularly spacer profile for insulated glazing, as well as a device and a method for production of the hollow profile
05/06/2010DE102008055637A1 Stange und Verfahren zu ihrer Herstellung Rod and process for their preparation
05/05/2010EP2180964A2 Tool and process for producing a hollow part
05/05/2010CN101701315A Manufacturing method of submerged pipeline steel pipe
04/2010
04/29/2010WO2010046762A1 Spirally welded conical tower sections
04/29/2010WO2010046257A1 Method of manufacturing a tube serving to convey a fluid of a heat exchanger, and tube obtained by means of said method
04/29/2010WO2010046201A1 Pre-formed welded metal wire for hoses and method of pre-forming a metal wire
04/29/2010DE102008052785A1 Flat tube for heat exchanger, has two narrow sides and two broadsides formed by three sheet metal strips with deformed longitudinal edges
04/28/2010CN1732283B Method for preparing coated wire
04/28/2010CN101698207A Method for producing copper alloy coil pipe
04/28/2010CN101698206A Technique for producing titanium-copper compound wire
04/27/2010CA2355172C Apparatus for producing annularly corrugated metal tubes
04/22/2010WO2010043036A1 Twist-axle with longitudinally- varying wall thickness
04/22/2010DE202007019016U1 Entgratwerkzeug Deburring
04/21/2010EP2177282A1 Metal structural component adjusted for load for a heat exchanger, method for producing a structural component adjusted for load
04/21/2010CN1758966B Method for processing metal body and apparatus for processing metal body
04/20/2010CA2644464C Twist-axle of variable wall thickness
04/15/2010WO2010041764A1 Working process for manufacturing members excellent in chemical conversion treatability
04/15/2010WO2010041763A1 Excellent-formability and high-strength steel tube excellent in chemical convesion treatability and process for production of same
04/15/2010US20100089517 Equipment and method for manufacturing steel-plastic composite pipe
04/15/2010US20100088893 Method of forming protrusions on the inner surface of a tube
04/14/2010EP2173501A1 Flat tube and production method
04/14/2010CN1729308B Method for making structural elements by machining thick plates
04/08/2010US20100084055 Tungsten wire, cathode heater and vibration service lamp filament
04/08/2010US20100083783 Forming preforms and parts therefrom
04/07/2010CN1984730B A device and a method for shaping and quenching a beam
04/07/2010CN101690958A Multi-head overlong spiral tube molding machine
04/07/2010CN101284348B Preparation technique of sheet welding water cooling tube die
03/2010
03/31/2010EP2167250A1 Device and method for the axial forming of elongated hollow bodies
03/31/2010EP2167249A2 System and method for forming a continuous strip/plate from a plurality of strips/plates and for forming a pipe from the continuous strip/plate
03/31/2010CN101683709A Method for continuously producing medium-caliber welded tube by strip continuous casting
03/31/2010CN101683663A Process for processing capillary
03/30/2010US7685717 Method for manufacturing a bearing raceway member
03/24/2010CN101676826A Coordination control system of double metal spiral compound pipe molding and welding
03/24/2010CN100595301C Free-cutting copper alloy material processing technique
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