by feeding the webs in a channel larger than the thickness of the webs by means of rollers

Patents Grantslast 30 patents

  • Information Patent Grant

    Double doctor blades

    • Patent number 6,129,539
    • Issue date Oct 10, 2000
    • Materials Research Innovations Corporation
    • Rexford H. Bradt
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Double doctor blades

    • Patent number 5,800,765
    • Issue date Sep 1, 1998
    • Materials Research Innovations Corporation
    • Rexford H. Bradt
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Apparatus for continuously manufacturing corrugated sheet

    • Patent number 5,503,547
    • Issue date Apr 2, 1996
    • Nishikawa Rose Co., Ltd.
    • Toshio Funahashi
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    Multi-cellular collapsible shade

    • Patent number 5,193,601
    • Issue date Mar 16, 1993
    • Comfortex Corporation
    • John A. Corey
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    Method and apparatus for creasing a web to form a multi-cellular co...

    • Patent number 5,135,461
    • Issue date Aug 4, 1992
    • Comfortex Corporation
    • John A. Corey
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    Method for making a multi-cellular collapsible shade

    • Patent number 5,106,444
    • Issue date Apr 21, 1992
    • Comfortex Corporation
    • John A. Corey
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    Method and apparatus for making a multi-cellular collapsible shade

    • Patent number 5,015,317
    • Issue date May 14, 1991
    • Comfortex Corporation
    • John A. Corey
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    Method and apparatus for continuous manufacture of undulating or co...

    • Patent number 4,111,733
    • Issue date Sep 5, 1978
    • S.p.r.L. Limatex
    • Gilbert Periers
    • D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
  • Information Patent Grant

    2938567

    • Patent number 2,938,567
    • Issue date May 31, 1960
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2668573

    • Patent number 2,668,573
    • Issue date Feb 9, 1954
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    2141235

    • Patent number 2,141,235
    • Issue date Dec 27, 1938
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD

Patents Applicationslast 30 patents