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)
11/2012
11/07/2012CN102764792A Production unit and method for machining stainless steel spiral corrugated pipe
11/07/2012CN102764791A Method for manufacturing non-heat-treatable enhanced aluminum alloy rectangular tube
11/07/2012CN102764790A Completely continuous magnesium alloy strip coil finishing device and finishing method
11/07/2012CN102764789A Method for producing outer plate of automobile
11/06/2012US8302307 Method of forming protrusions on the inner surface of a tube
11/01/2012WO2012147213A1 Method for producing laser welded steel pipe
11/01/2012WO2012146379A2 Method for producing connection ports
11/01/2012WO2012146317A1 Tower production method
11/01/2012US20120273082 Flexible pipe including thermal insulation
10/2012
10/31/2012EP2517817A2 Electrode wire for electro-discharge machining and method for manufacturing the same
10/31/2012EP2516909A1 Method of manufacturing a mechanically lined pipe
10/31/2012CN102756011A Manufacture method of irregular pipe
10/30/2012US8298681 Extrusion billet
10/30/2012US8296932 Manufacturing equipment for electric resistance welding pipes having excellent characterization for welded seam
10/30/2012US8296912 Burnishing tool
10/30/2012CA2582288C Mandrel assembly for manufacturing tubular products
10/26/2012WO2012145127A1 Large-pitch coil configurations for a medical device
10/26/2012WO2012144248A1 Electric resistance welded (erw) steel pipe for oil well use and process for producing erw steel pipe for oil well use
10/26/2012CA2808119A1 Electric resistance welded oil country tubular goods and manufacturing method of electric resistance welded oil country tubular goods
10/24/2012EP2514569A1 Handheld machine tool and production method
10/24/2012CN202498096U Centre structure
10/24/2012CN202498095U Solder wire cutting machine
10/24/2012CN102753297A Device and method for continuously welding strips and/or sheets using two welding heads offset from each other
10/24/2012CN102748578A Seamless ferroaluminum wire and preparation method thereof
10/24/2012CN102747290A Economical wear-resistant steel and manufacturing method thereof
10/24/2012CN102744284A High-pressure elbow pipe billet heat-pushing temperature pressure shaping method
10/18/2012DE102005017875B4 Kalibrier- und Anfaswerkzeug Calibration and chamfering tool
10/17/2012EP2511018A1 Equipment and method for the automated production of tubular structures
10/17/2012CN202490850U Novel automatic hose forming machine
10/17/2012CN202490849U Driving system for production of aluminum heat-radiating pipe
10/17/2012CN202490848U Precise plain roller device used to produce aluminum radiating pipe
10/17/2012CN102741443A High-strength welded steel pipe and method for producing the same
10/17/2012CN102733743A Roller tube and roller system with such tube
10/17/2012CN102728654A Production method for aluminum foil pipe
10/17/2012CN102728653A Three-roller extrusion device
10/17/2012CN102728652A Manufacturing method of dual-metal seamless steel pipe with outer-layer low-carbon steel and inner-layer bearing steel
10/17/2012CN102728651A Preparation process for motor novel main shaft sleeve
10/17/2012CN102728650A Processing method of metal pipe material
10/17/2012CN102728649A Preparation method of magnesium-aluminum layered composite material thin-wall pipe
10/17/2012CN102728648A Continuous push-pull machine
10/17/2012CN102728647A Preparation method of nickel titanium copper memory alloy sheet
10/17/2012CN102069105B Method and device for producing outer finned tube
10/11/2012DE102011007082A1 Wickelwelle eines Rollosystems und Rollosystem mit Wickelwelle Winding shaft of a roller blind system and roller blind system with winding shaft
10/10/2012CN202479259U Linking machine
10/10/2012CN202479258U Component forming machine
10/10/2012CN202479257U Bridge steel cable molding device with orthohexagonal cross section
10/10/2012CN102716936A Method for producing internal screw thread aluminum pipe for heat exchanging
10/10/2012CN102716935A Automatic joint welding machine for power poles and streetlight poles
10/10/2012CN102716934A Method for forming large-diameter stainless steel square tube
10/10/2012CN102716933A Method for preparing thermal spraying metal wire
10/10/2012CN102172814B Method for manufacturing longitudinal submerged arc welded pipe
10/10/2012CN102162050B Method for manufacturing medium-strength aluminum alloy wire with electric conductivity of 59 percent
10/09/2012US8281631 Corrugated metal sheet member fabrication system
10/09/2012US8281472 Method of manufacturing continuous sucker rod
10/04/2012WO2012132023A1 Method for producing laser-welded steel tube
10/04/2012WO2012130738A1 Tool, machine and method for calibrating bushings
10/04/2012US20120247605 Molybdenum-Free, High-Strength, Low-Alloy X80 Steel Plates Formed by Temperature-Controlled Rolling Without Accelerated Cooling
10/03/2012EP2505683A1 Welded steel pipe for linepipe with superior compressive strength and excellent sour resistance, and process for producing same
10/03/2012EP2505682A1 Welded steel pipe for linepipe with superior compressive strength, and process for producing same
10/03/2012EP2505681A1 Welded steel pipe for linepipe with superior compressive strength and superior toughness, and process for producing same
10/03/2012CN202461171U Half-shaft rod reducing machine
10/03/2012CN202461170U Leveling and shearing device of rolled plate
10/03/2012CN102712138A Method for producing copper clad laminate, copper foil used therein, and laminating apparatus for copper clad laminate
10/03/2012CN102703765A High resistivity nickel wire and preparation method thereof
10/03/2012CN102700186A Ultra-deep drawing copper steel copper cold rolling lamination composite metal material and manufacture method thereof
10/03/2012CN102699193A Forming die for compression moulding semi-circular pipe and processing method of forming die
10/03/2012CN102699108A Method for moulding circle-rectangular nozzle in hyperelliptic transition
10/03/2012CN102699107A Cold roll forming method of thin-walled and high-strength square steel tube
10/03/2012CN102699106A Aluminium air duct welding device
10/03/2012CN102699105A Manufacture technology for precision tube
10/03/2012CN102699104A Preparation method of G20CrNiMo bearing steel pipe
10/03/2012CN102699103A Preparation method of 20CrMo steel pipe
10/03/2012CN102699102A Production process method of small-caliber cold-drawing seamless steel tube used for boiler
10/03/2012CN102699101A Manufacturing method for HA177-2 brass alloy tube
10/03/2012CN102699100A Method for bending spiral pipe
10/03/2012CN102699099A Preparation method of Cu-Nb-Ag ternary multi-core composite wire
10/03/2012CN102699083A Steel pipe tapering machine
10/03/2012CN102231293B Copper-coated rear earth aluminum alloy flat wire or flat cable and manufacturing method thereof
10/03/2012CN102189148B Forming device for flat metal wire rod
10/03/2012CN102133587B Special pipe forming machine
10/03/2012CN101652492B High-strength welded steel pipe having weld metal excelling in low-temperature cracking resistance and process for manufacturing the same
10/02/2012CA2583649C Frame assembly and method for forming the same
10/02/2012CA2544770C Continuously manufactured colored metallic products and method of manufacturing of such products
09/2012
09/27/2012DE112010003085T5 Wulstdrahterstellungsverfahren und Herstellungsvorrichtung Wulstdrahterstellungsverfahren and manufacturing apparatus
09/26/2012CN202447413U Automatic centering device for strip steel
09/26/2012CN202447412U Wire stabilizing device
09/26/2012CN102695568A Turks head stand
09/26/2012CN102094136B Pure titanium wire for spectacle frame and manufacturing method thereof
09/26/2012CN101912896B Method for manufacturing reducing pipe and die assembly thereof
09/25/2012US8272122 Tube mill with in-line braze coating process
09/20/2012WO2012101323A3 A conveying pipe part of a pneumatic material conveying system and a method for forming a pipe joint
09/20/2012US20120234688 Method for Electrochemical Fabrication
09/19/2012EP2499919A1 Conveying device
09/19/2012CN102679079A Aluminum compressed elbow and machining process thereof
09/19/2012CN102676870A Lead-free copper alloy wire material and preparation method thereof
09/19/2012CN102671992A Method for making easy-to-pickle steel plate
09/13/2012US20120228143 Method for Electrochemical Fabrication
09/13/2012DE19810856B4 Wickelrohr und Verfahren zu seiner Herstellung Winding tube and method for its preparation
09/13/2012DE102011013716A1 Kalibrier- und Anfaswerkzeug für rohrföhrmige Werkstücke Calibration and chamfering tool for rohrföhrmige workpieces
09/12/2012EP2497695A1 Steering column of an automobile with a shaft section closed by tongues
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