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:
Jun. 19, 2012
Filed:
Jun. 19, 2008
Yasutaka Ito, Ibi-gun, JP;
Jin Wakamatsu, Toyota, JP;
Yasutaka Ito, Ibi-gun, JP;
Jin Wakamatsu, Toyota, JP;
Ibiden Co., Ltd., Ogaki-shi, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, JP;
Abstract
An object of the present invention is to provide an exhaust pipe that can lower the temperature of exhaust gases when the exhaust gases having a high temperature pass through the exhaust pipe. The exhaust pipe of the present invention, which allows exhaust gases to flow through the exhaust pipe, comprises a base that contains metal and has a cylindrical shape; and a surface-coating layer that contains a plurality of crystalline inorganic materials and an amorphous binder and is formed on the outer peripheral face of the base, wherein the plurality of crystalline inorganic materials are distributed in the surface-coating layer, in an accumulative manner in a thickness direction, and the amorphous binder has an average thickness of 20 μm or less at a location nearer the outer peripheral face of the exhaust pipe than a location of the crystalline inorganic materials.