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)
02/2001
02/22/2001WO2001012356A1 Method and device for forming conical tube casings
02/22/2001DE19939180A1 Cylinder container tank is formed by a mantle of a wound spiral strip where the edges are bent out at the butt line to be welded together at the joint for stability without germ contamination
02/22/2001DE19938135A1 Metallgewebe und Verfahren zur Herstellung eines Hohlkörpers aus einem Metallgewebe Metal mesh and method for producing a hollow body from a metal mesh
02/20/2001US6191365 Medical devices incorporating at least one element made from a plurality of twisted and drawn wires
02/15/2001WO2001011435A1 Process of producing diffraction gratings on the surfaces of articles
02/07/2001EP1074807A2 Folded tube for a heat exchanger and method of making same
02/07/2001CN1283140A Process for manufacturing screws and device for actuating the process
02/06/2001US6182817 Field replaceable helical flight
02/01/2001WO2001007183A1 Sheet metal member and method of manufacturing the member
02/01/2001WO2001007179A1 Method for making a tubular element and resulting tubular element
01/2001
01/30/2001US6179988 Forming circular disk of electrodeposited copper, rotating disk about its center axis, feeding a cutting tool into the peripheral edge of disk to cause a strip of copper to peel from disk, and slitting strip of copper to form strands
01/25/2001DE19922017C1 Pipeline manufacturing method e.g. for domestic appliance hose manufacture, has corrugated metal sleeve subjected to axial compression for providing bunched corrugation groups at spaced points
01/24/2001EP1070558A2 Method of manufacturing titanium fiber or titanium alloy fiber
01/24/2001CN1281396A Apparatus for and method of cutting spirally formed pipe by using non-rotating, overlapping knives
01/24/2001CN1061119C Bibcock using tube material and method and device for manufacturing same
01/23/2001US6176303 Heat exchanger and method for manufacturing header tank
01/23/2001US6176013 Method for fabricating a seamless H.V.A.C. trunk line adaptor
01/21/2001CA2314377A1 Bulkhead barrier member
01/18/2001WO2001003865A2 Method of forming a tube
01/18/2001DE10013428C1 Double-walled hollow profile manufacturing method e.g. for i.c. engine exhaust gas line, has intermediate layer providing gap between inner and outer hollow profiles removed via opening in profle wall
01/17/2001CN2414860Y Large bore plastic-aluminium composite pipe shaping device
01/17/2001CN2414859Y Blade carrier component of machine tool for moulding steel-aluminium composite pipe by rolling
01/16/2001US6173484 System for fabricating muntin bars from sheet material
01/11/2001WO2001002124A1 Manufacturing device for heating tube with internal grooves and fin rolling roll
01/04/2001WO2001001743A1 A protecting device against interfering electromagnetic radiation comprising emi-gaskets
01/04/2001WO2000031486A8 Internally grooved heat exchanger pipe and metal bar working roll for internally grooved heat exchanger pipes
01/04/2001DE19928349A1 Manufacturing straight bead welded wire involves forming metal strip into slotted tube, electron beam welding along weld joint formed by slot, switching beam between slotted tubes
01/03/2001CN1060104C Apapratus for making multi-layered metallic welded tubes
01/03/2001CN1060103C Method for mfg. long stainless steel fibre
01/02/2001US6169252 Hollow twisted and drawn cables and method for making the same
12/2000
12/27/2000EP1063027A1 Method of producing pipes of radial cross-section
12/27/2000EP1062063A1 Method for producing an eyelet
12/26/2000US6166348 Finned tube
12/26/2000US6165077 Sole configuration for golf club head
12/26/2000US6164370 Enhanced heat exchange tube
12/20/2000EP1060808A2 Fluid conveying tube as well as method and device for manufacturing the same
12/20/2000EP1060050A1 Method and device for transferring a hollow-profile blank
12/20/2000EP1060036A1 Method and device for producing pipes
12/20/2000CN1059613C Method for producing metallic conical tubes
12/14/2000WO2000074871A1 Method for producing pipe bends from straight, spirally welded pipes
12/14/2000DE10019175A1 Verfahren zum Herstellen eines bandförmigen Vormaterials aus Metall, insbesondere eines solchen Vormaterials welches in regelmäßig wiederkehrenden Abschnitten profiliert ist, und die Verwendung einer vorrichtung dafür A method of manufacturing a band-like pre-material from metal, in particular of such a semi-finished material which is profiled in regularly recurring sections, and the use of a device for
12/13/2000CN1276509A Capillary pipe for refrigerator/air conditioner and making method thereof
12/12/2000US6158646 Weld bead chopper
12/07/2000WO2000072991A1 Method for producing a device for storing solids, liquids and/or gases, especially a container for storing food, and device for carrying out a production method of this type
12/07/2000WO2000072990A1 Metallic shell component
12/07/2000DE19909928A1 Cutter device for hollow components produced by internal high pressure forming has holder ring to support component during cutting
12/07/2000DE10018691A1 Rolled foil production equipment, for lead-acid battery electrode plate manufacture, has an embossing unit for embedding lead alloy foil strip portions in a slab prior to rolling
12/07/2000CA2336074A1 Metallic shell component
12/06/2000EP0853529B1 Method and apparatus for knurling a workpiece, method of molding an article with such workpiece, and such molded article
12/06/2000CN1275940A Process for making fine metallic fibers
12/05/2000US6155092 Apparatus and method for forming a double ended upset pipe
11/2000
11/30/2000WO2000071278A1 Rolling machine
11/30/2000CA2338267A1 Rolling machine
11/28/2000US6153029 Tempering; flattening; welding
11/28/2000US6151937 Machine for forming T-shaped tubular components using a forming material insert
11/23/2000WO2000069582A1 Method for producing a striplike pre-material made of metal, especially a pre-material which has been profiled into regularly reoccurring sections, and device therefor
11/23/2000DE19743627C2 Verfahren zur Herstellung einer Verengung der Zylinderbohrung einer Zylinderlaufbuchse A process for producing a constriction of the cylinder bore of a cylinder liner
11/22/2000CN1273887A Technology for making artistical breeches pipe with Al (or Co) alloy
11/21/2000CA2169391C Multi-wound metal tube, manufacturing method and apparatus therefor
11/16/2000WO2000068443A2 Method for producing welded steel pipes with a high degree of strength, ductility and deformability
11/15/2000EP0885071B1 Method and apparatus for producing helically-wound lock-seam tubing with reduced lubrication
11/14/2000US6147317 Method for producing finned tubes and finned tube produced thereby
11/14/2000US6146772 Composite wire for the manufacture of jewelry articles
11/14/2000US6145732 Cylindrical helical seamed tube and method and apparatus therefore
11/09/2000DE19921407A1 Tubular panel structure for heat exchanger has pre-positioned solder in grooves at mid-point between adjacent chambers, reducing subsequent assembly costs
11/08/2000EP1049546A1 Method and device for making a flexible tube body
11/07/2000US6143235 Method for producing secondary mold elements
11/02/2000WO2000064606A1 Method for manufacturing a pipe with a not circular cross-section and device therefor
11/02/2000WO2000064604A1 Tapered body forming method and rolling device
11/02/2000DE19918230A1 Hypereutectic aluminum-silicon alloy cylinder liner blank, for incorporation during casting of a light metal crankcase, is mechanically roughened on its outer surface by radial embossing
11/01/2000CN1057948C Process and apparatus for rounding sheet-metal blanks
10/2000
10/31/2000US6140601 Laser-welded steel pipe and method therefor
10/24/2000US6137060 Two nickel-titanium wires twined about a core wire and drawn through a die to form a flexible cable having a cicular cross section, where the core wire is of gold, silver or platinum-iridium; stents and medical guidewires
10/24/2000US6135343 Method for roll forming and machine and blank for this
10/24/2000US6135160 Multi-wound stainless steel pipe
10/24/2000US6134937 Golf club and shaft therefor and method of making same
10/19/2000WO2000062001A1 Heat transfer tube with internal grooves and method and device for manufacturing the tube
10/19/2000WO2000061311A1 Method of forming t-connectors
10/19/2000WO2000061310A1 Process for the manufacture of a cylindrical pipe
10/19/2000DE19938966C1 Profiled band material manufacturing method uses rolling of metal band in successive steps for providing required periodic profile under control of electronic control device
10/19/2000DE19922309C1 Closure tool for pipe manufacture has cooperating upper and lower parts and vertically displaced guide element providing stop for edges of elongate slit in pipe body before welding
10/19/2000CA2369266A1 Process for the manufacture of a cylindrical pipe
10/19/2000CA2368639A1 Method of forming t-connectors
10/17/2000US6132888 Stainless steel wire and producing method thereof
10/17/2000US6132677 Radioactive articles of isotopes, extrusion and drawing
10/17/2000US6131431 Pipe member, method and apparatus for manufacturing the pipe member
10/17/2000US6131281 Method for creating a mechanical joint in an engine oil cooler
10/17/2000CA2007970C Continuously balanced apparatus for storing and dispensing elongate materials
10/12/2000WO2000059653A1 Method for roll forming steel pipes, and equipment for same
10/12/2000DE19915574A1 Verfahren zur Herstellung des innen- und/oder außen verzinnten Hohlprofiles sowie innenverzinntes Kupferrohr Process for the preparation of the inner and / or outer hollow section as well as tin-plated copper tube innenverzinntes
10/11/2000EP1043088A1 A process and machine for continuous formation of conveyor screws for archimedes-type screws
10/11/2000EP1043085A2 Method for the amnufacture of hollow profiles having internal or external tin plating and a copper tube with internal tin plating
10/11/2000EP1043084A2 Heat resisting metal tube and method for manufacturing same
10/11/2000EP1042085A1 A process for manufacturing screws and a device for actuating the process
10/10/2000US6129997 Shaping and welding an alloy of platinum to a preform body tube, heat treatment in a minimum degree of oxidation, alloying platinum with one or more metal from metal oxide particles contain yttrium, zirconium and cerium
10/04/2000EP1040275A2 Method of making stators for moineau pumps
10/04/2000EP0658232B1 Framework with hollow members, process for producing the same and its use
10/04/2000CN1057157C Pipe for flowing of refrigerant in heat exchanger and mfg. method therefor
10/03/2000US6126208 Common rail and method of manufacturing the same
09/2000
09/27/2000CN1056791C Slide fastener elements and its forming method and apparatus
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