Patents by Inventor Hiromitsu Doi

Hiromitsu Doi 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).

  • Patent number: 4737183
    Abstract: A bottle manufacturing apparatus has a plurality of exchangable blow molds each having a bottom plate, a plurality of take-out mechanisms for taking a bottle formed in a corresponding blow mold out of the blow mold, a bottom plate height adjuster for each blow mold and each having an operating shaft for driving the height adjuster; a take-out mechanism height adjuster for each of the take-out mechanisms and each having an operating shaft for driving the height adjuster; a single driving shaft rotatable in opposite directions to first and second driving positions; and a plurality of rotating driving mechanisms connected between the driving shaft and the respective operating shafts, the driving mechanisms being in disengaged condition when the driving shaft is in a neutral position, and the driving mechanisms for the operating shafts of the bottom plate height adjusters being engaged when the driving shaft is in the first driving position and the driving mechanisms for the operating shafts of the take-out mecha
    Type: Grant
    Filed: April 8, 1987
    Date of Patent: April 12, 1988
    Assignee: Yamamura Glass Co., Ltd.
    Inventors: Hiromitsu Doi, Keiji Arita
  • Patent number: 4579574
    Abstract: The disclosure is directed to a mold lubricating apparatus for glassware making machines, which is so arranged that nozzle holders 5 having nozzles 12 respectively directed toward mold surfaces of the neck rings from lower portions at opposite sides of the neck molds 13 and through-holes 5a, are connected to opposite ends of air feeding block and oil feeding block 7, 7a disposed on a horizontal bracket 3 provided at the upper portion of a plunger mechanism 1, while nozzle holders having nozzles 17 directed toward mold surfaces during opening of blank molds 18, and through-holes 6a are formed on an air feeding and oil feeding block 6A on the horizontal bracket 3.
    Type: Grant
    Filed: December 18, 1984
    Date of Patent: April 1, 1986
    Assignee: Yamamura Glass Kabushiki Kaisha
    Inventors: Akio Sugie, Atsuyuki Yamawaki, Hiromitsu Doi, Katsuki Azuma