Patents Assigned to Sugawara Industrial Co.
  • Pressure sensitive adhesive tape
    Patent number: 4454192
    Abstract: The present invention comprises an adhesive sheet including a supporting sheet made of thermoplastic resinous material, a plurality of artificial filament yarns arranged substantially parallel to the longitudinal direction of the supporting sheet with at least about one-half of the cross-section of the yarn being buried in and thus strongly adhered to one side of the supporting sheet and an adhesive layer provided on the filament containing side of the supporting sheet.
    Type: Grant
    Filed: March 15, 1982
    Date of Patent: June 12, 1984
    Assignee: Sugawara Industrial Co.
    Inventor: Nagayuki Suzuki