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:
May. 30, 2023
Filed:
Dec. 06, 2021
Applicant:
Ngk Insulators, Ltd., Nagoya, JP;
Inventors:
Daichi Tanaka, Nagoya, JP;
Yukinari Shibagaki, Obu, JP;
Assignee:
NGK INSULATORS, LTD., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/20 (2006.01); F01N 3/28 (2006.01); C03C 10/00 (2006.01); F01N 13/14 (2010.01); F01N 13/16 (2010.01);
U.S. Cl.
CPC ...
F01N 3/2026 (2013.01); C03C 10/0009 (2013.01); C03C 10/0045 (2013.01); C03C 10/0054 (2013.01); F01N 3/2803 (2013.01); F01N 3/2839 (2013.01); F01N 13/14 (2013.01); F01N 13/16 (2013.01); C03C 2201/10 (2013.01); C03C 2201/36 (2013.01); C03C 2201/40 (2013.01); C03C 2201/54 (2013.01); F01N 2470/24 (2013.01); F01N 2510/02 (2013.01); F01N 2510/06 (2013.01);
Abstract
A tubular member for an exhaust gas treatment device according to at least one embodiment of the present invention includes: a tubular main body made of a metal; and an insulating layer formed at least on an inner peripheral surface of the tubular main body. The insulating layer contains glass containing a crystalline substance, and the glass contains silicon, boron, and magnesium.