Patents by Inventor Syuichi Yonezawa

Syuichi Yonezawa 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).

  • Method for producing tile carpet
    Patent number: 5552010
    Abstract: As a method for producing a tile carpet having a a lining layer, there is provided a means for obtaining a tile carpet superior in the uniformity of thickness and adhesion of the lining layer and also superior in all of standing stability, shape and dimensional stability and durability, in high applicability of a sealing material in carpet cloth and a lining material and that in high production efficiency. The method of the present invention for producing such tile carpet comprises applying a heat-melted, amorphous olefin polymer composition (11) onto a travelling endless belt (3), then laminating onto this coating surface a carpet cloth (1) which has been sealed beforehand with an amorphous olefin polymer composition (7), to obtain an integral laminate, thereafter cooling the laminate forcibly using a cooling plate (14), separating the laminate from the endless belt (3) and cutting it into a tile shape.
    Type: Grant
    Filed: December 1, 1993
    Date of Patent: September 3, 1996
    Assignees: Suminoe Orimono Kabushiki Kaisha, Nippon Petrochemicals Co., Ltd.
    Inventors: Teruo Kajikawa, Yasuhiko Ganno, Junichi Takeda, Syuichi Yonezawa