Patents by Inventor Masatoshi Shibaike

Masatoshi Shibaike 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).

  • Waterproof slide fastener and manufacturing method thereof
    Patent number: 6427294
    Abstract: The present invention intends to provide a waterproof slide fastener in which a synthetic resin film is fused to a fastener tape in order to prevent a perforation phenomenon that the synthetic resin film does not exist locally. A laminated synthetic resin film composed of low melting point resin layer having melting point of, for example, 100° C.-140° C. and high melting point resin layer having melting point of, for example, 150° C.-230° C. is fused to a surface or both surfaces of a pair of the fastener tapes with the low melting point resin layer being in contact with and opposing the fastener tape by heating with pressure. Fastener elements are mounted onto a side edge of the fastener tape and the laminated synthetic resin film is formed so as to protrude outward from the side edge of the fastener tape and a center point of coupling of the fastener elements.
    Type: Grant
    Filed: April 11, 2000
    Date of Patent: August 6, 2002
    Assignee: YKK Corporation
    Inventors: Masatoshi Shibaike, Masahiro Kusayama, Sakae Aimono