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:
Nov. 17, 1992
Filed:
May. 28, 1991
Applicant:
Inventors:
Yuzo Hitachi, Shizuoka, JP;
Haruo Serizawa, Shizuoka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N / ; B01J / ;
U.S. Cl.
CPC ...
60299 ; 422180 ; 502527 ;
Abstract
A metal-made carrier body, for carrying thereon an exhaust gas cleaning catalyst, comprises a multi-layered composite body in a spirally rolled form composed of a sheet-like band and a corrugated band, the multi-layered composite body being enclosed in and fixed to a tubular metal casing. The metal casing is composed of an outer casing, and at least one inner casing disposed in the outer casing, thus giving excellent durability to the carrier body.