TREA

punching outwards

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  • CPC
  • B21D28/285
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BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING METAL B21D28/00Shaping by press-cutting Perforating

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B21D28/285punching outwards
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Patents Grantslast 30 patents

  • Information Patent Grant

    Molding device for pulling open elongated holes in pipes or sheets
    • Patent number 9,073,111
    • Issue date Jul 7, 2015
    • ARAKI TECHNICAL AND RESEARCH CO., LTD.
    • Katsuki Araki
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Ball screw and method for producing a spindle nut, in particular of...
    • Patent number 7,536,929
    • Issue date May 26, 2009
    • INA-Schaeffler, KG
    • Jürgen Osterlänger
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Apparatus for manufacturing a cylinder with a connected sleeve
    • Patent number 5,140,881
    • Issue date Aug 25, 1992
    • Jidosha Kiki Co., Ltd.
    • Masaru Aizaki
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Mechanical heat exchanger punch tool and method
    • Patent number 4,936,013
    • Issue date Jun 26, 1990
    • Chevron Research Company
    • Maeen N. Sahawneh
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Hydraulic punch tool for heat exchangers
    • Patent number 4,730,392
    • Issue date Mar 15, 1988
    • Chevron Research Company
    • Jackie C. Allen
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Hydraulic punch tool for heat exchangers
    • Patent number 4,597,180
    • Issue date Jul 1, 1986
    • Chevron Research Company
    • Jackie C. Allen
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Tubing perforator
    • Patent number 4,499,749
    • Issue date Feb 19, 1985
    • The Dow Chemical Company
    • Robert A. Hay
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and apparatus for punching openings in tubes
    • Patent number 4,227,393
    • Issue date Oct 14, 1980
    • Anvil Corporation
    • William G. McElhaney
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Pipe perforating machine
    • Patent number 4,052,880
    • Issue date Oct 11, 1977
    • Foulks; Noah E.
    • Robert L. Cullinan
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3811352
    • Patent number 3,811,352
    • Issue date May 21, 1974
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3782157
    • Patent number 3,782,157
    • Issue date Jan 1, 1974
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3681964
    • Patent number 3,681,964
    • Issue date Aug 8, 1972
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3680422
    • Patent number 3,680,422
    • Issue date Aug 1, 1972
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3376725
    • Patent number 3,376,725
    • Issue date Apr 9, 1968
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3289511
    • Patent number 3,289,511
    • Issue date Dec 6, 1966
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3271988
    • Patent number 3,271,988
    • Issue date Sep 13, 1966
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3259003
    • Patent number 3,259,003
    • Issue date Jul 5, 1966
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2983167
    • Patent number 2,983,167
    • Issue date May 9, 1961
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2783840
    • Patent number 2,783,840
    • Issue date Mar 5, 1957
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2374031
    • Patent number 2,374,031
    • Issue date Apr 17, 1945
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2204273
    • Patent number 2,204,273
    • Issue date Jun 11, 1940
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1764129
    • Patent number 1,764,129
    • Issue date Jun 17, 1930
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1586311
    • Patent number 1,586,311
    • Issue date May 25, 1926
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1521866
    • Patent number 1,521,866
    • Issue date Jan 6, 1925
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1500829
    • Patent number 1,500,829
    • Issue date Jul 8, 1924
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1487242
    • Patent number 1,487,242
    • Issue date Mar 18, 1924
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1457193
    • Patent number 1,457,193
    • Issue date May 29, 1923
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1432073
    • Patent number 1,432,073
    • Issue date Oct 17, 1922
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1398320
    • Patent number 1,398,320
    • Issue date Nov 29, 1921
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents