The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 02, 2010
Filed:
Mar. 30, 2006
Yoshiharu Watanabe, Itoigawa, JP;
Masanobu Ashida, Itoigawa, JP;
Kazuhiro Aizawa, Itoigawa, JP;
Kazunori Takada, Tokyo, JP;
Yoshihiro Hishiki, Tokyo, JP;
Toshio Ohno, Tokyo, JP;
Toshimichi Ichinomiya, Tokyo, JP;
Gorou Sakai, Tokyo, JP;
Noriaki Matsubara, Tokyo, JP;
Yoshiharu Watanabe, Itoigawa, JP;
Masanobu Ashida, Itoigawa, JP;
Kazuhiro Aizawa, Itoigawa, JP;
Kazunori Takada, Tokyo, JP;
Yoshihiro Hishiki, Tokyo, JP;
Toshio Ohno, Tokyo, JP;
Toshimichi Ichinomiya, Tokyo, JP;
Gorou Sakai, Tokyo, JP;
Noriaki Matsubara, Tokyo, JP;
Denki Kagaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
An ultra high strength fiber-reinforced cement composition includes cement, silica fume, coal gasification fly ash, insoluble anhydrous gypsum, and metal fiber having a length between 5 and 30 mm and a diameter of between 0.1 and 1 mm. The coal gasification fly ash is spherical fine particles having a maximum particle size between 5 and 10 μm. Mass ratio of the silica fume: the coal gasification fly ash is 95 through 50 portions: 5 through 50 portions.