Patents by Inventor Hiromichi Horikawa

Hiromichi Horikawa 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).

  • Constant abrasive feeder of abrasive grains
    Patent number: 6371839
    Abstract: An constant abrasive feeder of abrasive grains M is formed of a reservoir supply section 20 having a reservoir tank 21 and a buffer tank 31, a stirring hopper 40 for stirring abrasive grains S, and a vibration feeder 60 for supplying the abrasive grains S to an abrasive jet nozzle 5. The abrasive grains S recovered in a cyclone 1 is reserved in the reservoir tank 21 and the buffer tank 31 by a constant quantity, the abrasive grains S is sent from the buffer tank 31 and reserved in a reservoir 43, which is stirred by stirring bars 50, 51 and sent to a supply guide 45. Then, the abrasive grains S is sequentially supplied to a feeder body 61 of the vibration feeder 60 from an opening formed in the supply guide 45.
    Type: Grant
    Filed: February 15, 2001
    Date of Patent: April 16, 2002
    Assignee: Sintobrator, LTD
    Inventors: Moriyasu Izawa, Hiromichi Horikawa, Hiroyasu Yashiro, Mikitoshi Hiraga, Yasuhiro Nagae
  • Constant abrasive feeder of abrasive grains
    Publication number: 20010021630
    Abstract: An constant abrasive feeder of abrasive grains M is formed of a reservoir supply section 20 having a reservoir tank 21 and a buffer tank 31, a stirring hopper 40 for stirring abrasive grains S, and a vibration feeder 60 for supplying the abrasive grains S to an abrasive jet nozzle 5. The abrasive grains S recovered in a cyclone 1 is reserved in the reservoir tank 21 and the buffer tank 31 by a constant quantity, the abrasive grains S is sent from the buffer tank 31 and reserved in a reservoir 43, which is stirred by stirring bars 50, 51 and sent to a supply guide 45. Then, the abrasive grains S is sequentially supplied to a feeder body 61 of the vibration feeder 60 from an opening formed in the supply guide 45.
    Type: Application
    Filed: February 15, 2001
    Publication date: September 13, 2001
    Applicant: SINTOBRATOR, LTD.
    Inventors: Moriyasu Izawa, Hiromichi Horikawa, Hiroyasu Yashiro, Mikitoshi Hiraga, Yasuhiro Nagae