Patents by Inventor Hideo Yoshizawa

Hideo Yoshizawa 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: 4589901
    Abstract: An apparatus for bending a glass sheet has at least a lower mold, a conveyor device for conveying the heated glass sheet to a prescribed position over the lower mold, and a plurality of rolls for supporting the glass sheet in the prescribed position. A method of bending a glass sheet is carried out by utilizing the apparatus. The apparatus also includes a device for lowering the rolls to a position below the shaping surface of the lower mold, and an arrangement in the lower mold for accommodating the rolls which have been lowered. The apparatus may additionally have an upper mold coacting with the lower mold. The method comprises the steps of lowering the rolls below the shaping surface of the lower mold, transferring the glass sheet from the rolls onto the shaping surface of the lower mold while the rolls are lowered, and bending the glass sheet into conformity with the shaping surface of the lower mold under gravitational forces.
    Type: Grant
    Filed: July 19, 1985
    Date of Patent: May 20, 1986
    Assignee: Nippon Sheet Glass Co., Ltd.
    Inventors: Hideo Yoshizawa, Masaaki Nushi, Kaoru Sakurai, Hirotaro Usui, Naohiro Iida, Togo Tanaka, Seiichiro Honjo