TREA

Rolling tubes by means of additional rollers arranged inside the tubes

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Industry

  • CPC
  • B21B19/14
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21BROLLING OF METAL B21B19/00Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work

Current Industry

B21B19/14Rolling tubes by means of additional rollers arranged inside the tubes
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    High strength thick-walled electric-resistance-welded steel pipe fo...
    • Patent number 11,053,564
    • Issue date Jul 6, 2021
    • JFE Steel Corporation
    • Sota Goto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Rotary crimping tool assembly
    • Patent number 10,193,291
    • Issue date Jan 29, 2019
    • TE Connectivity Corporation
    • Matthew Steven Houser
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for automatically controlling spinning rolls
    • Patent number 4,951,490
    • Issue date Aug 28, 1990
    • Man Technologie GmbH
    • Heinz Gronert
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Machine tool for the production of tubular components
    • Patent number 4,766,752
    • Issue date Aug 30, 1988
    • Man Technologie GmbH
    • Heinz Gronert
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3581384
    • Patent number 3,581,384
    • Issue date Jun 1, 1971
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3287951
    • Patent number 3,287,951
    • Issue date Nov 29, 1966
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3133460
    • Patent number 3,133,460
    • Issue date May 19, 1964
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2305794
    • Patent number 2,305,794
    • Issue date Dec 22, 1942
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2224487
    • Patent number 2,224,487
    • Issue date Dec 10, 1940
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2164724
    • Patent number 2,164,724
    • Issue date Jul 4, 1939
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2126509
    • Patent number 2,126,509
    • Issue date Aug 9, 1938
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2042552
    • Patent number 2,042,552
    • Issue date Jun 2, 1936
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1922622
    • Patent number 1,922,622
    • Issue date Aug 15, 1933
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1903676
    • Patent number 1,903,676
    • Issue date Apr 11, 1933
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1771420
    • Patent number 1,771,420
    • Issue date Jul 29, 1930
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1767896
    • Patent number 1,767,896
    • Issue date Jun 24, 1930
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1760278
    • Patent number 1,760,278
    • Issue date May 27, 1930
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1610593
    • Patent number 1,610,593
    • Issue date Dec 14, 1926
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1538118
    • Patent number 1,538,118
    • Issue date May 19, 1925
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1528832
    • Patent number 1,528,832
    • Issue date Mar 10, 1925
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1520905
    • Patent number 1,520,905
    • Issue date Dec 30, 1924
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents