Patents Assigned to Sanno Tekko Kabushiki Kaisha
  • Elastic roll for applying back tension
    Patent number: 5322229
    Abstract: There is provided an elastic roll for applying back tension to a parallel-extending strips. The roll has a plurality of thin elastic rings of a rubber-like material fitted over a main shaft. The thin elastic rings are tightened together from both sides and fixed in a unitary form to the main shaft.
    Type: Grant
    Filed: April 26, 1993
    Date of Patent: June 21, 1994
    Assignee: Sanno Tekko Kabushiki Kaisha
    Inventor: Toshio Imada