Patents by Inventor Kenichi Haraga

Kenichi Haraga 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).

  • Taking-up liners for unvulcanized rubber members
    Patent number: 5206079
    Abstract: A taking-up liner for taking-up an unvulcanized rubber member in a laminated fashion is disclosed, which comprises a strip-like base cloth having stretchability, and at least one elastomer layer bonded to at least one opposite surfaces of said base cloth. The elastomer layer has stretchability, elasticity, and a smooth surface. Alternatively, the taking-up liner may be constituted by a laminate consisting of a strip-like soft foamed member, and at least one elastomer layer bonded to at least one surface of the foamed member. the surface of the laminate is made smooth.
    Type: Grant
    Filed: May 24, 1989
    Date of Patent: April 27, 1993
    Assignee: Bridgestone Corporation
    Inventors: Koichi Sanada, Kenichi Haraga, Koushi Nonaka
  • Helical formed take-up liner for uncured rubber members and method of producing the same
    Patent number: 5049426
    Abstract: A take-up liner for uncured rubber members is a band-like laminate of inextensible reinforcing cloth, flexible foamed layer arranged thereon, extensible cloth arranged thereon and sheet-like elastomer layer adhered thereto and has a helical formed shape.
    Type: Grant
    Filed: August 4, 1989
    Date of Patent: September 17, 1991
    Assignees: Pyramid Corporation, Bridgestone Corporation
    Inventors: Iwao Kimura, Akira Toyonaga, Koichi Sanada, Koji Nonaka, Kenichi Haraga