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:
Jul. 19, 1994
Filed:
Jun. 28, 1991
Applicant:
Inventor:
James R Abbott, Jackson, MI (US);
Assignee:
Tennessee Gas Pipeline Company, Lincolnsire, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23P / ; F01N / ;
U.S. Cl.
CPC ...
29890 ; 2989008 ;
Abstract
A method of assembling a catalytic converter by inserting a catalyst substrate and surrounding support mat through the open end and into the central portion of an oval sheet metal tube, after which the reduced section and longitudinal ribs are formed in the central portion of the tube to compress the mat and securely engage the substrate, and the ends of the tube are pinched together to form sealed end closures with gas flow passages therein.