by means of a scraper moving in the axial direction of the rollers

Patents Grantslast 30 patents

  • Information Patent Grant

    Roll mixing machine and method

    • Patent number 5,333,951
    • Issue date Aug 2, 1994
    • Toyo Sekkei Co., Ltd.
    • Mitsumi Wakoh
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2259058

    • Patent number 2,259,058
    • Issue date Oct 14, 1941
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2212494

    • Patent number 2,212,494
    • Issue date Aug 27, 1940
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2200875

    • Patent number 2,200,875
    • Issue date May 14, 1940
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2032073

    • Patent number 2,032,073
    • Issue date Feb 25, 1936
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    1932200

    • Patent number 1,932,200
    • Issue date Oct 24, 1933
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    1923027

    • Patent number 1,923,027
    • Issue date Aug 15, 1933
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL