Patents by Inventor Etsuhisa Miyata

Etsuhisa Miyata has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Automatic sub-mold changer
    Patent number: 5246362
    Abstract: An automatic sub-mold changer for use in an injection molding machine having a pair of molds in which sub-molds are detachably installed in an open state of the molds includes a sub-mold stock device for stocking plural sub-molds therein, the sub-mold stock device being spaced from the pair of molds on the injection molding machine. An arm device having an end portion which carries chucks to which the sub-molds are detachably affixed is movable between a first position juxtaposed to the sub-mold stock device and a second position juxtaposed to the pair of molds on the injection molding machine.
    Type: Grant
    Filed: January 14, 1993
    Date of Patent: September 21, 1993
    Assignee: Seikosha Co., Ltd.
    Inventors: Koichi Kobayashi, Seiji Mishima, Kenji Kamio, Etsuhisa Miyata, Katsuhiko Fukuda, Junichi Oi