Edge treatment

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  • CPC
  • B31F1/2827
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Patents Grantslast 30 patents

  • Information Patent Grant

    Corrugated cardboard machine and method of producing an endless web...

    • Patent number 7,832,441
    • Issue date Nov 16, 2010
    • BHS Corrugated Maschinen-und Anlagenbau GmbH
    • Felix Titz
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    Safety fringe for paper

    • Patent number 5,328,439
    • Issue date Jul 12, 1994
    • Robert M. Goldberg
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    Method and apparatus for skiving and hemming

    • Patent number 4,708,708
    • Issue date Nov 24, 1987
    • International Paper Company
    • Carl J. Fries
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method and apparatus for skiving and hemming

    • Patent number 4,617,211
    • Issue date Oct 14, 1986
    • International Paper Company
    • Carl J. Fries
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method and apparatus for skiving and hemming

    • Patent number 4,540,391
    • Issue date Sep 10, 1985
    • International Paper Company
    • Carl J. Fries
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3790399

    • Patent number 3,790,399
    • Issue date Feb 5, 1974
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3788920

    • Patent number 3,788,920
    • Issue date Jan 29, 1974
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    3785908

    • Patent number 3,785,908
    • Issue date Jan 15, 1974
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    3711352

    • Patent number 3,711,352
    • Issue date Jan 16, 1973
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    3635451

    • Patent number 3,635,451
    • Issue date Jan 18, 1972
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    3624236

    • Patent number 3,624,236
    • Issue date Nov 30, 1971
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    3616077

    • Patent number 3,616,077
    • Issue date Oct 26, 1971
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    3579396

    • Patent number 3,579,396
    • Issue date May 18, 1971
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    3563843

    • Patent number 3,563,843
    • Issue date Feb 16, 1971
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    3540354

    • Patent number 3,540,354
    • Issue date Nov 17, 1970
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    3406052

    • Patent number 3,406,052
    • Issue date Oct 15, 1968
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3307995

    • Patent number 3,307,995
    • Issue date Mar 7, 1967
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    3031356

    • Patent number 3,031,356
    • Issue date Apr 24, 1962
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD

Patents Applicationslast 30 patents