with cutting edges being impregnated or coated

Patents Grantslast 30 patents

  • Information Patent Grant

    Vulcanized fiber sheet having a serrated cutting edge, a carton hav...

    • Patent number 6,173,876
    • Issue date Jan 16, 2001
    • Oji Paper Co., Ltd.
    • Mitsuhiro Sano
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Cutter for dispensing container and dispensing container provided w...

    • Patent number 4,679,718
    • Issue date Jul 14, 1987
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Hisao Kai
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Cutting edge for dispensing container

    • Patent number 4,465,215
    • Issue date Aug 14, 1984
    • Asahi-Dow Limited
    • Hisao Kai
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Carton construction and method of making a cutting edge therefor

    • Patent number 4,399,935
    • Issue date Aug 23, 1983
    • Barbara L. Nelder
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Dispenser carton

    • Patent number 4,346,830
    • Issue date Aug 31, 1982
    • The C. W. Zumbiel Company
    • Donald P. Hauser
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Method of rigidifying the tearing edge of a carton

    • Patent number 4,234,635
    • Issue date Nov 18, 1980
    • Somerville Belkin Industries Limited
    • William G. Atkinson
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Dispensing carton with cutting edge

    • Patent number 3,933,288
    • Issue date Jan 20, 1976
    • Diamond International Corporation
    • Glenn E. Struble
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    3193427

    • Patent number 3,193,427
    • Issue date Jul 6, 1965
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    2633985

    • Patent number 2,633,985
    • Issue date Apr 7, 1953
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    2405459

    • Patent number 2,405,459
    • Issue date Aug 6, 1946
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    2336842

    • Patent number 2,336,842
    • Issue date Dec 14, 1943
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    1887912

    • Patent number 1,887,912
    • Issue date Nov 15, 1932
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL