Patents by Inventor Motoharu Kasuya

Motoharu Kasuya 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: 7040527
    Abstract: A cylindrical body of a fiber drum comprises a roll of paper material having two open ends, and a curled portion formed by inwardly curling the edge of at least one of the two open ends. A method of fabricating the fiber drum comprises the steps of winding a length of paper sheet in layers, between which an adhesive is applied, to form a roll of the paper sheet having two open ends, and inwardly curling the edge of at least one of the two open ends of the roll to form a curled portion before the adhesive is cured between the layers.
    Type: Grant
    Filed: January 18, 2001
    Date of Patent: May 9, 2006
    Assignee: Taiyo Sealpack Co., Ltd.
    Inventor: Motoharu Kasuya
  • Patent number: 6502741
    Abstract: A cylindrical body of a fiber drum comprises a roll of a paper material having two opening ends, a curled portion formed by curling the edge of at least one of the two opening ends, and a protective material for covering an outer surface of the curled portion. A method of fabricating a cylindrical body of a fiber drum comprises winding a length of paper sheet in layers, between which layers an adhesive is applied, to form a roll of the paper sheet having two opening ends. Then, a protective material is provided on an opening edge at either of the two opening ends of the roll, and the opening edge at the said either of the two opening ends of the roll is inwardly or outwardly curled together with the protective material before the adhesive is cured between the layers. Thus, formed is a curled portion covered at an outer surface with the protective material.
    Type: Grant
    Filed: March 22, 2001
    Date of Patent: January 7, 2003
    Assignee: Taiyo Sealpack Co., Ltd.
    Inventor: Motoharu Kasuya
  • Publication number: 20020092900
    Abstract: A cylindrical body of a fiber drum comprises a roll of a paper material having two opening ends; and a curled portion formed by inwardly curling the edge of at least one of said two opening ends. A method of fabricating said fiber drum comprises the steps of winding a length of paper sheet in layers, between which an adhesive is applied, to form a roll of the paper sheet having two opening ends, and inwardly curling the edge of at least one of said two opening ends of the roll to form a curled portion before the adhesive is cured between the layers.
    Type: Application
    Filed: January 18, 2001
    Publication date: July 18, 2002
    Inventor: Motoharu Kasuya
  • Publication number: 20010023890
    Abstract: A cylindrical body of a fiber drum comprises a roll of a paper material having two opening ends, a curled portion formed by curling the edge of at least one of said two opening ends and a protective material for covering outer surface of the curled portion. A method of fabricating a cylindrical body of a fiber drum comprises the steps of winding a length of paper sheet in layers, between which an adhesive is applied, to form a roll of the paper sheet having two opening ends, providing a protective material on an opening edge at either of the two opening ends of the roll, and curling inwardly or outwardly the opening edge at said either of the two opening ends of the roll together with the protective material before the adhesive is cured between the layers to form a curled portion covered at an outer surface with the protective material.
    Type: Application
    Filed: March 22, 2001
    Publication date: September 27, 2001
    Inventor: Motoharu Kasuya