Patents Examined by John P. Sheeman
  • Method and apparatus for scribing grain-oriented silicon steel strip
    Patent number: 4728083
    Abstract: A method and apparatus are provided for scribing grain-oriented silicon steel to improve core losses and which can be used at typical strip line speeds. The method and apparatus provide for moving the strip and forming the strip about an axis parallel to the strip movement, rotating a body having scribing means mounted at or about the periphery and scribing the strip at selected spaced-apart intervals substantially transverse to the strip direction.
    Type: Grant
    Filed: December 16, 1985
    Date of Patent: March 1, 1988
    Assignee: Allegheny Ludlum Corporation
    Inventor: Richard L. Ruediger