Machines or devices for welding chain links

Patents Grantslast 30 patents

  • Information Patent Grant

    Controlled pressure butt welding process and apparatus for carrying...

    • Patent number 4,959,519
    • Issue date Sep 25, 1990
    • Meyer, Roth & Pastor Maschinenfabrik GmbH
    • Karl-Christoph Exner
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Electrical chain welding machine

    • Patent number 4,542,275
    • Issue date Sep 17, 1985
    • Olof I. Andreasson
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Welding method and apparatus suitable for forming links in jewelry

    • Patent number 4,453,072
    • Issue date Jun 5, 1984
    • Creative Fastening Methods, Inc.
    • Charles F. Middleton
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Apparatus for the successive welding of C-shaped, pre-bent, interli...

    • Patent number 4,267,421
    • Issue date May 12, 1981
    • Meyer, Roth & Pastor
    • Karl-Julius Heppe
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Chain welding machine

    • Patent number 4,211,068
    • Issue date Jul 8, 1980
    • Wafios, Maschinenfabrik, Wagner, Ficker & Schmid (GmbH & Co. KG)
    • Gerhard Lange
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Apparatus for positioning the links of a length of chain

    • Patent number 4,164,118
    • Issue date Aug 14, 1979
    • Wafios, Maschinenfabrik, Wagner, Ficker & Schmid (GmbH & Co. KG)
    • Gerhard Lange
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Successive welding of immediately consecutive chain links

    • Patent number 4,149,058
    • Issue date Apr 10, 1979
    • Meyer, Roth & Pastor Maschinenfabrik GmbH
    • Paul Rahn
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Chain welding machine

    • Patent number 4,139,982
    • Issue date Feb 20, 1979
    • Wafios Maschinenfabrik, Wagner, Ficker & Schmid (GmbH & Co., KG)
    • Gerhard Lange
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Apparatus for the successive welding of consecutive chain links

    • Patent number 4,133,999
    • Issue date Jan 9, 1979
    • Meyer, Roth & Pastor Maschinenfabrik GmbH
    • Bruno Ebel
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Butt welding apparatus

    • Patent number 4,075,451
    • Issue date Feb 21, 1978
    • Meyer, Roth & Pastor Maschinenfabrik GmbH
    • Toni Wust
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Chain welding machine

    • Patent number 4,051,667
    • Issue date Oct 4, 1977
    • Wafios, Maschinenfabrik, Wagner, Ficker & Schmid (GmbH & Co. KG)
    • Gerhard Lange
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and apparatus for the successive welding of consecutive chai...

    • Patent number 4,012,618
    • Issue date Mar 15, 1977
    • Meyer, Roth & Pastor Maschinenfabrik GmbH
    • Bruno Ebel
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and apparatus for welding a link chain

    • Patent number 3,959,965
    • Issue date Jun 1, 1976
    • Meyer, Roth & Pastor Maschinenfabrik GmbH
    • Toni Wust
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of and apparatus for producing particularly high-strength ch...

    • Patent number 3,934,407
    • Issue date Jan 27, 1976
    • Wafios, Maschinenfabrik, Wagner, Ficker & Schmid
    • Gerhard Lange
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3909576

    • Patent number 3,909,576
    • Issue date Sep 30, 1975
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3906182

    • Patent number 3,906,182
    • Issue date Sep 16, 1975
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3906183

    • Patent number 3,906,183
    • Issue date Sep 16, 1975
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3839617

    • Patent number 3,839,617
    • Issue date Oct 1, 1974
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3757627

    • Patent number 3,757,627
    • Issue date Sep 11, 1973
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3701253

    • Patent number 3,701,253
    • Issue date Oct 31, 1972
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3552118

    • Patent number 3,552,118
    • Issue date Jan 5, 1971
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3551633

    • Patent number 3,551,633
    • Issue date Dec 29, 1970
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3513280

    • Patent number 3,513,280
    • Issue date May 19, 1970
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3513279

    • Patent number 3,513,279
    • Issue date May 19, 1970
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3508025

    • Patent number 3,508,025
    • Issue date Apr 21, 1970
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3495399

    • Patent number 3,495,399
    • Issue date Feb 17, 1970
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3426169

    • Patent number 3,426,169
    • Issue date Feb 4, 1969
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3389552

    • Patent number 3,389,552
    • Issue date Jun 25, 1968
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3355876

    • Patent number 3,355,876
    • Issue date Dec 5, 1967
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3350533

    • Patent number 3,350,533
    • Issue date Oct 31, 1967
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents