Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Gary D. Goplen0
Ananth Kuchimanchi0
Date of Patent
September 22, 2009
0Patent Application Number
119348830
Date Filed
November 5, 2007
0Patent Primary Examiner
Patent 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.
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