Patents Assigned to Heinrich Greve GmbH
  • Apparatus for removing the waste edge pieces from punched blanks
    Patent number: 4537589
    Abstract: Waste edge pieces are separated from punched blanks, especially cardboard box blanks, by puncturing to engage followed by outward pulling. The puncturing action is performed by a pawl, having a serrated edge, which is driven in an orbital motion.
    Type: Grant
    Filed: November 5, 1982
    Date of Patent: August 27, 1985
    Assignee: Heinrich Greve GmbH
    Inventor: Heinrich Schmidt