Patents Examined by Francis S. Nusar
  • Welding backup employing a train of knuckle-joint tiles
    Patent number: 4183454
    Abstract: Welding backup having a train of rigid, heat-resistant tiles, the contiguous ends of which have round surfaces which provide knuckle joints. The round surfaces terminate in matching stops which limit the knuckle motion in either direction to 5-20 degrees.
    Type: Grant
    Filed: May 12, 1978
    Date of Patent: January 15, 1980
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: John B. Snell
  • Apparatus for forming dough pieces
    Patent number: 4113412
    Abstract: An apparatus and method for forming dough and dough pieces to a thickness of as little as 1 mm. The apparatus generally comprises a plurality of powered externally rotated rollers spaced above a plurality of moving conveyor belts. The dough is pressed and stretched without breaking by the action of said rollers and said conveyor belts.
    Type: Grant
    Filed: August 9, 1976
    Date of Patent: September 12, 1978
    Inventor: Torahiko Hayashi