TREA

with mandrel having one or more protrusions

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Industry

  • CPC
  • B21B17/08
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21BROLLING OF METAL B21B17/00Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work

Current Industry

B21B17/08with mandrel having one or more protrusions
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus line for manufacturing seamless steel pipe and tube and m...
    • Patent number 11,821,051
    • Issue date Nov 21, 2023
    • JFE Steel Corporation
    • Shunsuke Sasaki
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Equipment line for manufacturing seamless steel tube or pipe and me...
    • Patent number 10,570,471
    • Issue date Feb 25, 2020
    • JFE Steel Corporation
    • Shunsuke Sasaki
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Apparatus line for manufacturing seamless steel pipe and tube and m...
    • Patent number 10,544,476
    • Issue date Jan 28, 2020
    • JFE Steel Corporation
    • Shunsuke Sasaki
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of manufacturing piston of pump for brake system and pump fo...
    • Patent number 10,507,501
    • Issue date Dec 17, 2019
    • Mando Corporation
    • Joo-Un Cho
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Device and method to shape worked pieces
    • Patent number 10,124,388
    • Issue date Nov 13, 2018
    • Repkon Machine and Tool Industry and Trade, Inc.
    • Karl-Heinz Köstermeier
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for manufacturing seamless pipe
    • Patent number 6,073,331
    • Issue date Jun 13, 2000
    • NKK Corporation
    • Tatsuro Katsumura
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for producing a seamless steel tubular product
    • Patent number 5,816,087
    • Issue date Oct 6, 1998
    • NKK Corporation
    • Tatsuro Katsumura
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for manufacturing seamless pipe
    • Patent number 5,778,714
    • Issue date Jul 14, 1998
    • NKK Corporation
    • Tatsuro Katsumura
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and apparatus for internally enhancing heat exchanger tubing
    • Patent number 4,995,252
    • Issue date Feb 26, 1991
    • Carrier Corporation
    • Gerald F. Robertson
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and apparatus for guiding a billet into a pressure-piercing...
    • Patent number 4,719,785
    • Issue date Jan 19, 1988
    • Innse Innocenti Santeustacchio S.p.A.
    • Emanuele Gancia
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of controlling mill pacing
    • Patent number 4,589,268
    • Issue date May 20, 1986
    • Kawasaki Steel Corporation
    • Kazuyuki Sakurada
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Press-rolling process for producing a metal tubular product
    • Patent number 4,455,849
    • Issue date Jun 26, 1984
    • Nippon Steel Corporation
    • Shigeru Uchida
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Device for inserting and thrusting a bar into a press piercing _mill
    • Patent number 4,296,622
    • Issue date Oct 27, 1981
    • Innocenti Santeustacchio S.p.A.
    • Aurindo Nessi
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Rolling mill sizing apparatus
    • Patent number 4,255,956
    • Issue date Mar 17, 1981
    • Kocks Technik GmbH & Co.
    • Theodor Zacharias
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Lead-in guideway for a rolling and punching machine
    • Patent number 4,196,942
    • Issue date Apr 8, 1980
    • Innocenti Santeustacchio
    • Jean P. Calmes
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Press roll piercing method
    • Patent number 4,190,887
    • Issue date Feb 26, 1980
    • Nippon Steel Corporation
    • Seishiro Yoshiwara
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Housing for a rolling mill
    • Patent number 4,121,446
    • Issue date Oct 24, 1978
    • Innocenti Santeu-Stacchio, S.p.A.
    • Teresio Passoni
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of producing tubular body in a press roll piercing mill
    • Patent number 4,052,874
    • Issue date Oct 11, 1977
    • Nippon Steel Corporation
    • Seishiro Yoshiwara
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of producing seamless steel tube
    • Patent number 4,006,618
    • Issue date Feb 8, 1977
    • Yanagimoto; Samon
    • Samon Yanagimoto
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3701272
    • Patent number 3,701,272
    • Issue date Oct 31, 1972
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3577754
    • Patent number 3,577,754
    • Issue date May 4, 1971
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3394568
    • Patent number 3,394,568
    • Issue date Jul 30, 1968
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3391561
    • Patent number 3,391,561
    • Issue date Jul 9, 1968
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3374650
    • Patent number 3,374,650
    • Issue date Mar 26, 1968
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2503404
    • Patent number 2,503,404
    • Issue date Apr 11, 1950
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents