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:
Sep. 22, 2009
Filed:
Nov. 05, 2007
Applicants:
Gary D. Goplen, Stoughton, WI (US);
Ananth Kuchimanchi, Stoughton, WI (US);
Inventors:
Gary D. Goplen, Stoughton, WI (US);
Ananth Kuchimanchi, Stoughton, WI (US);
Assignee:
Cummins Filtration IP Inc., Minneapolis, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
F01N 7/18 (2006.01); B21D 51/24 (2006.01); B21D 51/28 (2006.01); B21D 51/30 (2006.01); B21D 51/32 (2006.01); B21D 51/34 (2006.01); F01N 1/00 (2006.01); F01N 1/08 (2006.01); B21D 51/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A muffler with enhanced seam strength construction, and method therefor, is provided by shell sidewalls having facing lips extending at an angled direction relative to afterfire explosive force along a lateral direction, such that outward lateral movement of the first sidewall is blocked by the second lip in the path of lateral movement of the first lip and such that outward lateral movement of the second sidewall is blocked by the first lip in the path of lateral movement of the second lip.