US Patent 7575727 Catalytic converter and method for manufacturing the same

A catalytic converter includes a catalyst carrier, a metal shell covering the outer periphery of the catalyst carrier, and a holding and sealing material disposed between the catalyst carrier and the metal shell.The holding and sealing material is a beltlike holding and sealing material having a width equal to or smaller than one-half the length of the catalyst carrier. The holding and sealing material is wound around the outer periphery of the catalyst carrier by one turn or more. By using the holding and sealing material, the catalytic converter can be produced inexpensively and easily.