Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Alexander Borla0
Date of Patent
May 14, 2013
0Patent Application Number
131346510
Date Filed
June 13, 2011
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A new and improved muffler for use particularly with internal combustion engines which utilizes a tube assembly composed of a plurality of laterally nested perforated and non-perforated tubes in direct supporting lateral engagement with each other wherein the perforations provide direct communication of exhaust gases therebetween and wherein the tube assembly is supported at opposite ends by frustoconical entrance and exit collars, the larger ends of the collars being crimped or otherwise secured thereto providing a sealed connection.
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