Separating mandrels from work or vice-versa

Patents Grantslast 30 patents

  • Information Patent Grant

    Method and apparatus for making seamless pipe

    • Patent number 10,632,514
    • Issue date Apr 28, 2020
    • SMS GROUP GMBH
    • Hubert Strank
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Mandrel conveying device for a tube rolling mill

    • Patent number 10,052,669
    • Issue date Aug 21, 2018
    • Danieli & C. Officine Meccaniche SpA
    • Ettore Cernuschi
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Mandrel conveying device for a tube rolling mill

    • Patent number 9,205,473
    • Issue date Dec 8, 2015
    • Danieli & C. Officine Meccaniche SpA
    • Ettore Cernuschi
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of and rolling mill for making seamless steel pipe

    • Patent number 8,904,839
    • Issue date Dec 9, 2014
    • SMS MEER GMBH
    • Walter Hoeffgen
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Rolling process and relating longitudinal, multi-stand rolling mill...

    • Patent number 8,429,945
    • Issue date Apr 30, 2013
    • Danieli & C. Officine Meccaniche SpA
    • Ettore Cernuschi
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Ironing dies

    • Patent number 6,860,134
    • Issue date Mar 1, 2005
    • Riken
    • Kunio Miyauchi
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Manufacture of metal tubes

    • Patent number 6,799,357
    • Issue date Oct 5, 2004
    • Memry Corporation
    • Neal Webb
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Process for the manufacture of metal tubes

    • Patent number 5,709,021
    • Issue date Jan 20, 1998
    • Memry Corp.
    • John A. DiCello
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of sizing and straightening extruded tubes

    • Patent number 4,926,667
    • Issue date May 22, 1990
    • Precision Extruded Products, Inc.
    • James E. Markiewicz
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for preparing tubular chills for continuous steel casting pl...

    • Patent number 4,653,306
    • Issue date Mar 31, 1987
    • Tubi Italia S.p.A.
    • Pierluigi Lazzerini
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Tube release rolling mills

    • Patent number 4,512,173
    • Issue date Apr 23, 1985
    • Kocks Technik GmbH & Co.
    • Hans Brauer
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Manufacture of seamless steel tube

    • Patent number 4,375,160
    • Issue date Mar 1, 1983
    • Vallourec
    • Jacques Verdickt
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Extraction device for continuous rolling mills using a retained man...

    • Patent number 4,158,954
    • Issue date Jun 26, 1979
    • Innocenti Santeustacchio S.p.A.
    • Teresio Passoni
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Process for producing pipe blooms

    • Patent number 4,091,524
    • Issue date May 30, 1978
    • Bindernagel; Ali
    • Friedrich Kocks
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Embossing method

    • Patent number 3,943,741
    • Issue date Mar 16, 1976
    • The United States of America as represented by the Secretary of the Army
    • Willis W. Sunderland
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Mill for plugging tubes and taking them off plug

    • Patent number 3,930,394
    • Issue date Jan 6, 1976
    • Pavel Ivanovich Orro
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3911706

    • Patent number 3,911,706
    • Issue date Oct 14, 1975
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3717458

    • Patent number 3,717,458
    • Issue date Feb 20, 1973
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3713319

    • Patent number 3,713,319
    • Issue date Jan 30, 1973
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3548626

    • Patent number 3,548,626
    • Issue date Dec 22, 1970
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3517534

    • Patent number 3,517,534
    • Issue date Jun 30, 1970
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3415099

    • Patent number 3,415,099
    • Issue date Dec 10, 1968
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3192084

    • Patent number 3,192,084
    • Issue date Jun 29, 1965
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    3137384

    • Patent number 3,137,384
    • Issue date Jun 16, 1964
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2983366

    • Patent number 2,983,366
    • Issue date May 9, 1961
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2901818

    • Patent number 2,901,818
    • Issue date Sep 1, 1959
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2630624

    • Patent number 2,630,624
    • Issue date Mar 10, 1953
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2549705

    • Patent number 2,549,705
    • Issue date Apr 17, 1951
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2369260

    • Patent number 2,369,260
    • Issue date Feb 13, 1945
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2343680

    • Patent number 2,343,680
    • Issue date Mar 7, 1944
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD AND APPARATUS FOR MAKING SEAMLESS PIPE

    • Publication number 20180169725
    • Publication date Jun 21, 2018
    • Hubert STRANK
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    MANDREL CONVEYING DEVICE FOR A TUBE ROLLING MILL

    • Publication number 20130008219
    • Publication date Jan 10, 2013
    • Ettore Cernuschi
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    ROLLING PROCESS AND RELATING LONGITUDINAL, MULTI-STAND ROLLING MILL...

    • Publication number 20120103049
    • Publication date May 3, 2012
    • Danieli & Officine Meccaniche S.P.A.
    • Ettore Cernuschi
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    METHOD FOR PRODUCING A SEAMLESS STEEL PIPE AND ROLLING MILL FOR PER...

    • Publication number 20100212387
    • Publication date Aug 26, 2010
    • Walter Hoeffgen
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Manufacture of metal tubes

    • Publication number 20030110825
    • Publication date Jun 19, 2003
    • Memry Corporation
    • Neal Webb
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Ironing dies

    • Publication number 20020083755
    • Publication date Jul 4, 2002
    • Kunio Miyauchi
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...