Patents Assigned to Hammerle, AG
  • Plate bending apparatus
    Patent number: 4552002
    Abstract: An apparatus for bending a plate utilizing a bending punch and a die into which the bending punch penetrates to a greater or lesser extent depending on the bending angle .alpha.. The magnitude and variation of the bending force required during deformation of the plate unit are determined and utilized to determine the depth h of punch penetration.
    Type: Grant
    Filed: February 14, 1985
    Date of Patent: November 12, 1985
    Assignee: Hammerle, AG
    Inventors: Eduard Haenni, Theo Frei