TREA

Making tubes with inner- and/or outer guides

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Industry

  • CPC
  • B21C37/153
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL B21C37/00Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for Manufacture of tubes of special shape

Current Industry

B21C37/153Making tubes with inner- and/or outer guides
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for producing a highly heat-resistant weapon barrel provided...
    • Patent number 11,814,694
    • Issue date Nov 14, 2023
    • Rheinmetall Waffe Munition GmbH
    • Gert Schlenkert
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for producing gun barrels and apparatus for performing such...
    • Patent number 10,857,580
    • Issue date Dec 8, 2020
    • Repkon Machine and Tool Industry and Trade Inc.
    • Ayet Azer Aran
    • F41 - WEAPONS
  • Information Patent Grant

    Apparatus and method for manufacturing insulated pipe assembly
    • Patent number 10,737,309
    • Issue date Aug 11, 2020
    • GF Urecon Ltd.
    • Daniel Jetté
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for producing a gun barrel with integrally adjoining housing
    • Patent number 9,662,696
    • Issue date May 30, 2017
    • Steyr Mannlicher GmbH
    • Harald Pichler
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and system for manufacturing metal-plated steel pipe
    • Patent number 9,249,489
    • Issue date Feb 2, 2016
    • Daiwa Steel Tube Industries Co., Ltd.
    • Shinichiro Nakamura
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Projectile weapons
    • Patent number 8,291,632
    • Issue date Oct 23, 2012
    • Transmission Systems Limited
    • Hugh Taylor
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Enhanced heat exchange tube
    • Patent number 6,164,370
    • Issue date Dec 26, 2000
    • Olin Corporation
    • Peter W. Robinson
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of manufacturing a heating exchange tube
    • Patent number 5,388,329
    • Issue date Feb 14, 1995
    • Olin Corporation
    • Myron R. Randlett
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for drawing telescoping tubes for torque transmission
    • Patent number 4,622,840
    • Issue date Nov 18, 1986
    • Neapco, Inc.
    • Harold R. Diffenderfer
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Telescoping tubes for torque transmission
    • Patent number 4,622,022
    • Issue date Nov 11, 1986
    • Neapco, Inc.
    • Harold R. Diffenderfer
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of processing cylindrical surface
    • Patent number 4,452,060
    • Issue date Jun 5, 1984
    • Hitachi, Ltd.
    • Hisanobu Kanamaru
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Mandrel for cold forging internally profiled tubes or cylinders
    • Patent number 4,429,561
    • Issue date Feb 7, 1984
    • Forenade Fabriksverken
    • Ivan O. Ramnesten
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and tool for the cold forging of internally profiled tubes
    • Patent number 4,428,220
    • Issue date Jan 31, 1984
    • Forenade Fabriksverken
    • Ivan O. Rammesten
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Cold forging mandrel with threads
    • Patent number 4,428,222
    • Issue date Jan 31, 1984
    • Forenade Fabriksverken
    • Ivan O. Ramnesten
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Providing cardan and universal joint-type shafts with gearing
    • Patent number 4,313,328
    • Issue date Feb 2, 1982
    • Mannesmann Aktiengesellschaft
    • Manfred Janssen
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of forming variably rifled tubes
    • Patent number 4,270,690
    • Issue date Jun 2, 1981
    • Combustion Engineering, Inc.
    • Thomas L. Mabery
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Multiple piece torch tip
    • Patent number 4,200,235
    • Issue date Apr 29, 1980
    • Victor Equipment Company
    • Charles P. Monschke
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3753365
    • Patent number 3,753,365
    • Issue date Aug 21, 1973
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3566651
    • Patent number 3,566,651
    • Issue date Mar 2, 1971
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3538568
    • Patent number 3,538,568
    • Issue date Nov 10, 1970
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3376624
    • Patent number 3,376,624
    • Issue date Apr 9, 1968
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3177688
    • Patent number 3,177,688
    • Issue date Apr 13, 1965
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3071840
    • Patent number 3,071,840
    • Issue date Jan 8, 1963
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2992470
    • Patent number 2,992,470
    • Issue date Jul 18, 1961
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2975677
    • Patent number 2,975,677
    • Issue date Mar 21, 1961
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2943381
    • Patent number 2,943,381
    • Issue date Jul 5, 1960
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2917808
    • Patent number 2,917,808
    • Issue date Dec 22, 1959
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2917809
    • Patent number 2,917,809
    • Issue date Dec 22, 1959
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2901814
    • Patent number 2,901,814
    • Issue date Sep 1, 1959
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2901815
    • Patent number 2,901,815
    • Issue date Sep 1, 1959
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents