Patent ID: 8671575

Claim:
A method of manufacturing a tail trim, for a rear bumper of an automobile through which a tail pipe of a muffler is inserted through, using a plurality of clad metal plates, comprising: (a) rolling two washed metal materials to obtain a first initial clad metal plate; (b) heat treating and further rolling the first initial clad metal plate to obtain a first final clad metal plate; (c) pressing the first final clad metal plate to form a main tail trim; (d) rolling two additional washed metal materials to obtain a second initial clad metal plate; (e) heat treating and further rolling the second initial clad metal plate to obtain a second final clad metal plate; (f) pressing the second final clad metal plate into a housing, the housing comprising a tail trim upper cover and a tail trim lower cover; and (g) forming the tail trim by coupling one side of the main tail trim to one side of the housing by carrying out tungsten inert gas welding.