Patents by Inventor Itsuo Matsumoto

Itsuo Matsumoto 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: 7913517
    Abstract: The present invention relates to production of a flat glass, which can improve the surface smoothness of a flat glass in the moving direction and which prevents formation of stripes on the flat glass. A fixed bed 15 comprising a plurality of supports 12 arranged in such a state that they will not move at least in a direction in parallel with the moving direction of a glass ribbon 13, and having grooves 12B to let loose the steam generated by vaporization of a steam film forming agent formed between the respective supports 12, is used, and the amount of the steam let loose from the grooves is adjusted in accordance with the glass temperature distribution in the moving direction of the glass ribbon 13 which moves on the fixed bed 15.
    Type: Grant
    Filed: October 26, 2007
    Date of Patent: March 29, 2011
    Assignee: Asahi Glass Company, Limited
    Inventors: Yoshihiro Shiraishi, Motoichi Iga, Itsuo Matsumoto, Toru Kamihori
  • Publication number: 20080115536
    Abstract: The present invention relates to production of a flat glass, which can improve the surface smoothness of a flat glass in the moving direction and which prevents formation of stripes on the flat glass. A fixed bed 15 comprising a plurality of supports 12 arranged in such a state that they will not move at least in a direction in parallel with the moving direction of a glass ribbon 13, and having grooves 12B to let loose the steam generated by vaporization of a steam film forming agent formed between the respective supports 12, is used, and the amount of the steam let loose from the grooves is adjusted in accordance with the glass temperature distribution in the moving direction of the glass ribbon 13 which moves on the fixed bed 15.
    Type: Application
    Filed: October 26, 2007
    Publication date: May 22, 2008
    Applicant: ASAHI GLASS COMPANY LIMITED
    Inventors: Yoshihiro SHIRAISHI, Motoichi Iga, Itsuo Matsumoto, Toru Kamihori
  • Patent number: 7337633
    Abstract: The present invention relates to production of a flat glass, which can improve the surface smoothness of a flat glass in the moving direction and which prevents formation of stripes on the flat glass. A fixed bed 15 comprising a plurality of supports 12 arranged in such a state that they will not move at least in a direction in parallel with the moving direction of a glass ribbon 13, and having grooves 12B to let loose the steam generated by vaporization of a steam film forming agent formed between the respective supports 12, is used, and the amount of the steam let loose from the grooves is adjusted in accordance with the glass temperature distribution in the moving direction of the glass ribbon 13 which moves on the fixed bed 15.
    Type: Grant
    Filed: December 22, 2004
    Date of Patent: March 4, 2008
    Assignee: Asahi Glass Company, Limited
    Inventors: Yoshihiro Shiraishi, Motoichi Iga, Itsuo Matsumoto, Toru Kamihori
  • Publication number: 20050109061
    Abstract: The present invention relates to production of a flat glass, which can improve the surface smoothness of a flat glass in the moving direction and which prevents formation of stripes on the flat glass. A fixed bed 15 comprising a plurality of supports 12 arranged in such a state that they will not move at least in a direction in parallel with the moving direction of a glass ribbon 13, and having grooves 12B to let loose the steam generated by vaporization of a steam film forming agent formed between the respective supports 12, is used, and the amount of the steam let loose from the grooves is adjusted in accordance with the glass temperature distribution in the moving direction of the glass ribbon 13 which moves on the fixed bed 15.
    Type: Application
    Filed: December 22, 2004
    Publication date: May 26, 2005
    Applicant: ASAHI GLASS COMPANY LIMITED
    Inventors: Yoshihiro Shiraishi, Motoichi Iga, Itsuo Matsumoto, Toru Kamihori
  • Patent number: 5498274
    Abstract: A forming method of a glass product includes the steps of successively setting female press-molds on a gob feeding stage; feeding gob to the female press-molds at the gob feeding stage at predetermined intervals; successively transferring the female press-molds fed with the gob to a press-forming stage; press-forming the gob into a glass product at the press-forming stage; and removing the press-formed glass product at a product removing stage.
    Type: Grant
    Filed: December 9, 1993
    Date of Patent: March 12, 1996
    Assignee: Asahi Glass Company
    Inventors: Itsuo Matsumoto, Yuji Furui, Yoshihiro Tsuchimoto