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)
12/2002
12/26/2002US20020194891 Apparatus for superplastic forming of tubing
12/26/2002US20020194890 Canasta for forming tubes of different diameters
12/25/2002CN2527374Y Rolling pipe dowel machine
12/24/2002US6497029 Process for making fine and ultra fine metallic fibers
12/24/2002US6497022 Pipe end burnishing tool with floating surfaces technical field
12/24/2002CA2213541C Metal coiled tubing with signal transmitting passageway
12/19/2002WO2002100567A1 Metal plate for producing flat tube, flat tube and process for producing the flat tube
12/19/2002WO2002070166B1 Stainless steel wire and method for producing a wire with improved resistance to corrosion
12/19/2002US20020190095 Electro-resistance-welded tube squeeze roll unit
12/19/2002US20020190094 Electro-resistance-welded tube manufacturing apparatus and method
12/19/2002US20020190092 Method for manufacturing a protective cover for a breaking apparatus, and a breaking apparatus
12/19/2002US20020189310 Process and device for the manufacture of polygonal tubes
12/19/2002DE10127911A1 Verfahren zum Herstellen einer Manschette A method of manufacturing a sleeve
12/19/2002DE10127562A1 Universal mill stand used for continuously deforming tubes, especially in tube welding devices, to round or profile tubes has a vertical roller assigned to the drive side of horizontal rollers
12/18/2002EP1267363A1 Method for producing oxide superconducting wire
12/18/2002EP1266704A1 Method and apparatus for producing helically wound lock-seam tubing and helically-wound lock-seam tube
12/18/2002CN1096328C Producing method and preparing equipment for steel pipe
12/17/2002US6495792 Method and device for positioning edges, especially in tube welding
12/17/2002US6494360 Method and device for producing straight bead welded pipes from flat sheet metal blanks
12/17/2002US6494254 Brazed tube for a heat exchanger, method of manufacture and exchanger
12/14/2002WO2002103069A1 Steel pipe having high formability and method for production thereof
12/12/2002US20020187000 Method for producing a mechanical link
12/12/2002US20020185027 Process for manufacturing a sleeve
12/12/2002DE10222736A1 Structured-surface pipeline element producing process involves passing pipeline element continuously past guided stamping element and stamping mechanically
12/11/2002EP1264645A2 Welded steel pipe having excellent hydroformability and method for making the same
12/11/2002EP0672798B1 Bibcock using tube material and method of manufacturing same
12/11/2002CN2524854Y Screw rolling welder for middle and small diameter thin wall steel tube
12/11/2002CN1383941A Process of making synthetic resin pipe joint with metal connecting part
12/10/2002US6492036 Porous electrode wire for use in electrical discharge machining and method of manufacturing the same
12/10/2002US6490900 Pipe gauging and rounding apparatus and method
12/10/2002US6490778 Multiple uneven plate, multiple uneven plate bending mold, multiple uneven plate manufacturing method and separator using multiple uneven plate
12/05/2002WO2002096578A1 Basket used to form tubes having different diameters
12/05/2002US20020182436 Freestanding reactive multilayer foils
12/05/2002US20020179288 Heat pipe and method for processing the same
12/05/2002US20020178773 Tube corrugating apparatus and method
12/05/2002DE10124866A1 Werkzeug für Biegemaschine Tool for bending machine
12/04/2002EP1261441A1 Method to produce radiating tubes and relative radiating tubes for radiancy heating lines
12/03/2002US6488078 Heat-exchanger tube structured on both sides and a method for its manufacture
11/2002
11/28/2002WO2002094468A1 Tool for a bending machine
11/28/2002WO2002094467A2 Apparatus and method for reshaping tubes
11/28/2002US20020174922 Method for producing beta-titanium alloy wire
11/27/2002EP1260284A2 Welded tube manufacturing apparatus and welded tube internal surface bead cutting apparatus
11/27/2002EP1259342A1 Process for the production of industrial tubes or section bars from metal and related apparatus
11/27/2002EP1001856B1 METHOD FOR PRODUCING WELDED Cu AND Cu ALLOY PIPES
11/26/2002US6485694 At least one structured metal sheet which is provided with a catalytically active material and which is wound or twisted, and is formed with passages through which exhaust gas can flow
11/26/2002US6484398 Heat exchanger tube manufacturing method
11/26/2002CA2201166C A method of preparing a steel pipe, an apparatus thereof and a steel pipe
11/21/2002WO2002092251A1 Tube corrugating apparatus and method
11/21/2002WO2002092250A1 Heat-treated deformed steel wire, and method and apparatus for manufacturing the same
11/21/2002US20020170940 Welded tube manufacturing apparatus and welded tube internal surface bead cutting apparatus
11/21/2002US20020170716 Variable OD coiled tubing strings
11/21/2002US20020170664 Method for manufacturing pipe having double layers
11/21/2002US20020170331 Tube drawing method and device
11/21/2002US20020170159 System for fabricating contour muntin bars from sheet material
11/19/2002US6482535 Porous electrode wire for use in electrical discharge machining and method of manufacturing the same
11/19/2002CA2145292C Manufacture of helically corrugated conduit
11/14/2002US20020168562 Multiple uneven plate, multiple uneven plate bending mold, multiple uneven plate manufacturing method and separator using multiple uneven plate
11/14/2002US20020166358 Production method of multi-gauge strips
11/13/2002EP1181115B1 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
11/13/2002EP1097012B1 Method for producing an inner profile or an outer profile by rotary kneading
11/13/2002EP1085829B1 Method of forming a piece of flexible linear jewelry, and jewelry produced thereby
11/12/2002US6477877 Manufacturing tool for fluid bearing device
11/12/2002US6477846 Bimetallic tube in a heat exchanger of an ice making machine
11/07/2002WO2002087814A1 A process of making a shaped product
11/06/2002EP1254789A1 Method of manufacturing arm
11/06/2002EP1254274A1 Advanced alloy fiber and process of making
11/05/2002US6475369 Method for electrochemical fabrication
11/05/2002US6474534 Hydroforming a tubular structure of varying diameter from a tubular blank made using electromagnetic pulse welding
10/2002
10/31/2002WO2002086408A1 Folded tube for a heat exchanger and method for the production thereof
10/31/2002US20020160844 Process for producing rotationally symmetrical components
10/31/2002US20020157721 Sheath pipe, sheath pipe manufacturing method, and sheath pipe manufacturing apparatus
10/31/2002DE10120392A1 Verfahren zum Herstellen von rotationssymmetrischen Bauteilen A process for the manufacture of rotationally symmetrical components,
10/30/2002EP1252946A2 Method for producing rotationally symmetric parts
10/30/2002EP1062063B1 Method for producing an eyelet
10/30/2002EP0935505B1 Spiral winder
10/29/2002US6470726 Method for manufacturing an extruded article changing in cross-section and an apparatus for extruding said extruded article
10/29/2002US6470723 Apparatus for manufacturing internal grooved tube
10/29/2002US6470570 Method for making a tube for a heat exchanger having a fin insert with transverse convolutions
10/24/2002WO2002084197A1 Improved heat transfer tube with grooved inner surface
10/24/2002US20020153070 For use as steering shaft and a drive shaft of automobiles
10/24/2002US20020152785 Keyless tooling system
10/24/2002US20020152784 Compression assembly for forming rolls
10/24/2002US20020152597 Skiving and roller burnishing tool
10/24/2002DE10119569A1 Device for non-cutting working of elongated workpieces comprises a processing station arranged on a machine frame and a calibration device determining the reduction in the diameter of a workpiece toward the input side
10/24/2002DE10118032A1 Pipe-drawing process involves exerting traction forces via drawing sector already passed through effective drawing cross section
10/24/2002CA2444553A1 Improved heat transfer tube with grooved inner surface
10/23/2002EP1250208A2 Method of linking steel tubes with aluminum ribs
10/23/2002EP1250199A1 Method and forming tool for the production of cylindrical tubes by extrusion
10/23/2002EP1250198A1 Deformed metal composite wire
10/23/2002EP1183117B1 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
10/23/2002CN1093249C Finned tube fabricating method
10/23/2002CN1093011C Process for producing flat heat exchange tubes
10/22/2002US6467510 Pipe formed by bending rolls
10/17/2002WO2002081111A1 A method for the manufacture of helically wound pipes
10/17/2002US20020148117 Heat exchanger tube manufacturing method
10/16/2002EP1009555A4 Spiral-formed exhaust tube
10/16/2002CN1092787C Fin tube with multi-fin and its producing method
10/15/2002US6464257 Vibration decoupler apparatus
10/09/2002EP1248065A2 Temporary fixing structure for tubular bodies
10/09/2002EP1247037A1 Metallic pipe and method of making same
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