using clamping and injection pressures that are proportional to each other

Patents Grantslast 30 patents

  • Information Patent Grant

    Injection moulding clamping apparatus for an injection moulding mac...

    • Patent number 4,636,167
    • Issue date Jan 13, 1987
    • Tsuois Corporation
    • Toru Shibata
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Pressless injection molding

    • Patent number 4,014,974
    • Issue date Mar 29, 1977
    • Hercules Incorporated
    • Lawrence C. Cessna
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Pressless injection molding apparatus

    • Patent number 3,972,668
    • Issue date Aug 3, 1976
    • Hercules Incorporated
    • Lawrence C. Cessna
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3762848

    • Patent number 3,762,848
    • Issue date Oct 2, 1973
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3602947

    • Patent number 3,602,947
    • Issue date Sep 7, 1971
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL