Patents Assigned to SCA Pulp AB
  • Easily defibered web-shaped paper product
    Patent number: 5262005
    Abstract: The invention relates to a product easy to disintegrate, containing cellulose-containing fiber material, which has such a strength, that it can be reeled up or handled in sheet shape for storage and transport, without the addition of chemicals, which increase the bonding strength between the fibers. The product is characterized in that it has a density of 550-1000 kg/m.sup.3, a bursting index of 0.15-0.50 MN/kg and a grammage of 300-1500 gm.sup.2, and that the product has a dry solids content of 70-95%.
    Type: Grant
    Filed: July 9, 1991
    Date of Patent: November 16, 1993
    Assignee: SCA Pulp AB
    Inventors: Lennart Eriksson, Milan Kolar, Tjell-Ake Hagglund, Hans Hoglund