Patents by Inventor Etsuya Ohashi

Etsuya Ohashi 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: 9533345
    Abstract: A core molding machine which can be made smaller while having a favorable core sand filling property is provided. The machine comprises a core box having a pair of laterally separable dies and a sand filling device, having a blow head disposed under the core box, for filling the core box with core sand directed upward from the blow head; the blow head having a sand blow chamber for guiding the core sand to the core box while being connected to the core box and a sand storage chamber communicating with the sand blow chamber; the sand filling device having a compressed air supply unit for supplying a compressed air for blowing the core sand into the core box and an aeration air supply unit for supplying an aeration air for floating and fluidizing the core sand within the sand blow chamber.
    Type: Grant
    Filed: February 7, 2013
    Date of Patent: January 3, 2017
    Assignee: SINTOKOGIO, LTD.
    Inventors: Shigeyoshi Kato, Etsuya Ohashi, Hisashi Harada
  • Publication number: 20150144283
    Abstract: A core molding machine which can be made smaller while having a favorable core sand filling property is provided. The machine comprises a core box having a pair of laterally separable dies and a sand filling device, having a blow head disposed under the core box, for filling the core box with core sand directed upward from the blow head; the blow head having a sand blow chamber for guiding the core sand to the core box while being connected to the core box and a sand storage chamber communicating with the sand blow chamber; the sand filling device having a compressed air supply unit for supplying a compressed air for blowing the core sand into the core box and an aeration air supply unit for supplying an aeration air for floating and fluidizing the core sand within the sand blow chamber.
    Type: Application
    Filed: February 7, 2013
    Publication date: May 28, 2015
    Inventors: Shigeyoshi Kato, Etsuya Ohashi, Hisashi Harada