Patents Assigned to Bachofen & Meier, Maschinenfabrik
  • Patent number: 4207998
    Abstract: A vacuum roller assembly for feeding sheet material such as finishing paper, carton, foil and the like, wherein a resilient roller shell is provided with a plurality of suction ports for drawing the sheet material into non-slip contact with the roller assembly. A plurality of deformable slit-like openings extend into the resilient shell, with the slits being in vacuum communication with the suction ports to provide a suction network over the roller and adaptable for providing suction to only that portion of the vacuum roller in contact with the sheet material.
    Type: Grant
    Filed: October 17, 1978
    Date of Patent: June 17, 1980
    Assignee: Bachofen & Meier, Maschinenfabrik
    Inventor: Walter Schmid