Patents Assigned to Satoyuki Matsushita
  • Apparatus and process for producing dentures having synthetic resin base
    Patent number: 5965171
    Abstract: An apparatus for producing dentures having a synthetic resin base comprises a flask tank provided with a tank closure which is opened when a flask is brought into and out of the tank and when resin is to be injected into the flask and which is closed when wax is to be removed. The flask tank has a wax pattern heater and is formed with fluid channels adapted to communicate with a resin injecting gate of the flask for successively supplying cleaning hot water, drying air and separating agent to the interior of the flask therethrough.
    Type: Grant
    Filed: August 4, 1997
    Date of Patent: October 12, 1999
    Assignee: Satoyuki Matsushita
    Inventors: Hiroyuki Katto, Mitsuji Matsuyama