Patent ID: 8307944

Claim:
A muffler for an exhaust system of an internal combustion engine, the muffler comprising: a muffler housing, which encloses a housing interior space; and at least one exhaust gas-carrying hollow body comprising two half shells providing a half shell construction, said hollow body being arranged in said housing interior space, wherein: said two half shells of said hollow body are fastened to one another in an area of a separating plane; said two half shells are fastened to one another by fastening elements, which are formed directly on the half shells; in an area of the separating plane on sides spaced apart from each other, said two half shells each have an outwardly projecting collar, on which the fastening elements are formed; said two half shells are in contact with one another and are fastened to one another at the respective said collar; at least one said collar has a bracket located at a spaced location from the separating plane, the bracket forming a fastening element, which extends in parallel to the separating plane in a longitudinal direction of the respective said at least one said collar and extends over the corresponding said collar of the other said half shell in a collar section acting as a complementary fastening element; and the corresponding collar of the other half shell has at least one interruption, through which said bracket can be passed, during assembly of the hollow body, at right angles to the longitudinal direction of said collar.