returning the cutted sprue into the injection nozzle

Patents Grantslast 30 patents

  • Information Patent Grant

    Injection molding method and injection mold

    • Patent number 7,147,814
    • Issue date Dec 12, 2006
    • Fuji Photo Film Co., Ltd.
    • Keiji Shigesada
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Metal mold for molding runnerless product

    • Patent number 5,690,974
    • Issue date Nov 25, 1997
    • Nissei Plastic Industrial Co., Ltd.
    • Kazuki Miyairi
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Apparatus for forming synthetic resins

    • Patent number 5,551,858
    • Issue date Sep 3, 1996
    • Niigata Engineering Company, Ltd.
    • Yukio Yoshizawa
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Resin molding method and apparatus

    • Patent number 5,460,508
    • Issue date Oct 24, 1995
    • Sankyo Kasei Kabushiki Kaisha
    • Masakazu Ohno
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3824298

    • Patent number 3,824,298
    • Issue date Jul 16, 1974
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3712777

    • Patent number 3,712,777
    • Issue date Jan 23, 1973
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2698464

    • Patent number 2,698,464
    • Issue date Jan 4, 1955
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2698460

    • Patent number 2,698,460
    • Issue date Jan 4, 1955
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    2613395

    • Patent number 2,613,395
    • Issue date Oct 14, 1952
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Injection molding method and injection mold

    • Publication number 20070031533
    • Publication date Feb 8, 2007
    • Fuji Photo Film Co., Ltd.
    • Keiji Shigesada
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL