Patents Assigned to COFPA Feutres pour Papeteries
  • Papermaker's fabric constituted by plastic spirals
    Patent number: 4719139
    Abstract: A conveyor belt such as a paper-making fabric, said belt being made of spirals (2, 3) assembled together by rods (5) or by imbrication. With a view to reducing the permeability or to changing the surface condition, it has a generally flat member (7) which is inserted inside the spirals (2, 3) so as to completely or partially fill the spaces between or inside the spirals.
    Type: Grant
    Filed: December 20, 1985
    Date of Patent: January 12, 1988
    Assignee: COFPA Feutres pour Papeteries
    Inventor: Maurice Gauthier