Patents by Inventor Takayuki Tobita

Takayuki Tobita 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).

  • One side surface molten metallic coating apparatus
    Patent number: 4246865
    Abstract: One side surface of a strip of metal is contacted with a surface of a molten metal bath which is locally raised under ultrasonic vibration whereby a continuous coating is attained on one side only.A tool for imparting the ultrasonic vibration to a bath is immersed near the bath surface and the ultrasonic vibrator connected to the tool is contained in hollow holding means dipped in the bath.In accordance with the apparatus of the present invention, the worn tool can be exchanged for a short time and the molten metallic coating on one side only of the strip of metal can be attained for a long time.
    Type: Grant
    Filed: February 9, 1978
    Date of Patent: January 27, 1981
    Assignees: Asahi Glass Company Limited, Nihon Parkerizing Co., Ltd.
    Inventors: Shoji Shimada, Yasunobu Matsushima, Yokichi Sato, Kuniharu Matsumoto, Kazuyuki Akeyoshi, Takayuki Tobita