Skew rolls

Industry

  • CPC
  • B21B27/025
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Current Industry

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD FOR PREPARING ULTRAFINE-GRAINED SUPERALLOY BAR

    • Publication number 20200276624
    • Publication date Sep 3, 2020
    • Northwestern Polytechnical University
    • Dong LIU
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    WIRE OUTLET NOZZLE ARRANGEMENT

    • Publication number 20190214893
    • Publication date Jul 11, 2019
    • Aumann Espelkamp GmbH
    • Wolfgang Lüttge
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Method for Producing High-Alloy Seamless Steel Pipe

    • Publication number 20110023570
    • Publication date Feb 3, 2011
    • Sumitomo Metal Industries, Ltd.
    • Kenichi Saitou
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Method for Producing Seamless Pipe

    • Publication number 20110023569
    • Publication date Feb 3, 2011
    • Sumitomo Metal Industries, Ltd.
    • Takateru Inage
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Process for manufacturing a seamless tube

    • Publication number 20090064748
    • Publication date Mar 12, 2009
    • Tomio Yamakawa
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Piercing-rolling method and piercing-rolling apparatus for seamless...

    • Publication number 20080289388
    • Publication date Nov 27, 2008
    • Tomio Yamakawa
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...