Patents Assigned to Tokyo Copal Chemical Co., Ltd.
  • Surface finishing device
    Patent number: 5309593
    Abstract: A surface finishing device having a vibration generater fixedly supported to a device body, a vibration transmitting member disposed at a lower position of the device body and a heat source incorporated in the vibration transmitting member. The invention also discloses a surface finishing device of the above type further having a fluid-agent outlet opening defined in or in the vicinity of the vibration transmitting means and for discharging a fluid agent or a solution containing the agent.
    Type: Grant
    Filed: March 4, 1991
    Date of Patent: May 10, 1994
    Assignee: Tokyo Copal Chemical Co., Ltd.
    Inventor: Takashi Yonehara
  • Surface finishing device
    Patent number: 5016313
    Abstract: A surface finishing device having a vibration generator fixedly supported to a device body, a vibration transmitting member disposed at a lower portion of the device body and a heat source incorporated in the vibration transmitting member. The invention also discloses a surface finishing device of the above type further having a fluid-agent outlet opening defined in or in the vicinity of the vibration transmitting member and for discharging a fluid agent or a solution containing the agent.
    Type: Grant
    Filed: May 16, 1989
    Date of Patent: May 21, 1991
    Assignee: Tokyo Copal Chemical Co., Ltd.
    Inventor: Takashi Yonehara