METHOD OF MANUFACTURING MUFFLER FOR VEHICLE

PROBLEM TO BE SOLVED: To provide a method of manufacturing a muffler for a vehicle capable of preventing an outer shell from being deformed by moisture and reducing a radiating sound. SOLUTION: Beads 16 and 18 are formed on a plate material 21 by being projected from the winding start end 21a of the...

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Bibliographische Detailangaben
Hauptverfasser:	ISHIHATA TAKAHITO, SATO FUMIHIKO
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINE PLANTS IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL STEAM ENGINES TRANSPORTING WEAPONS WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method of manufacturing a muffler for a vehicle capable of preventing an outer shell from being deformed by moisture and reducing a radiating sound. SOLUTION: Beads 16 and 18 are formed on a plate material 21 by being projected from the winding start end 21a of the plate material 21 to the outside of an outer shell 1 along the winding direction. Cross sectional shapes of these both beads 16 and 18 are formed in projected shapes. Next, the plate material 21 is wound at least double and deformed to form a clearance 28 along the beads 16 and 18. After the clearance 28 is formed, the beads 16 and 18 may be welded. Lengths of the beads 16 and 18 are smaller than the length of one turn of the plate material, and the clearance 28 is opened to the winding start end 21a of the plate material 21. COPYRIGHT: (C)2007,JPO&INPIT