Patents by Inventor Seong-roon Jeong

Seong-roon Jeong 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).

  • Unidirectional fiber sheet for reinforcing concrete beams and methods of preparing the same
    Patent number: 6238761
    Abstract: Disclosed is a unidirectional fiber sheet comprising an arranged fiber layer, a multi axial scrim, and a release paper having 3 to 80% of its surface area coated with an adhesive. The adhesive is applied to the release paper in the form of stripes which may be positioned parallel, perpendicular or oblique to the filaments of the arranged fiber layer. The unidirectional fiber sheet according to the present invention is prepared by partially coating a release paper with an adhesive, and heat-pressing together an arranged fiber layer prepared from filament tows, a multi axial scrim having a net structure to support the arranged fiber layer, and the release paper so as to bind the three together.
    Type: Grant
    Filed: July 25, 1997
    Date of Patent: May 29, 2001
    Assignee: Sunkyong Industries Co., Ltd.
    Inventors: Seong-roon Jeong, Hoon-hee Jeong, Hern-jin Park, Do-hyun Kim