CAULKING STRUCTURE AND CAULKING METHOD OF SHEET METAL

PROBLEM TO BE SOLVED: To provide caulking structure and a caulking method of a sheet metal, in which an abnormal noise can be prevented from occurring. SOLUTION: A weak section 5 is formed in a claw 3 to caulk the sheet metal 1. At least part of the claw 3 is cut into a counter-bore for claw cutting...

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Bibliographic Details
Main Authors WAKABAYASHI YUKO, FUJII TOSHIHIKO
Format Patent
LanguageEnglish
Published 23.03.2006
Subjects
BLASTING
DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
PERFORMING OPERATIONS
PUNCHING METAL
THERMAL INSULATION IN GENERAL
TRANSPORTING
WEAPONS
WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Summary:PROBLEM TO BE SOLVED: To provide caulking structure and a caulking method of a sheet metal, in which an abnormal noise can be prevented from occurring. SOLUTION: A weak section 5 is formed in a claw 3 to caulk the sheet metal 1. At least part of the claw 3 is cut into a counter-bore for claw cutting of a die-cast 2 almost in V shape by the weak section 5 while being plastically deformed to improve the stiffness strength by draw effect of the claw 3. COPYRIGHT: (C)2006,JPO&NCIPI
Bibliography:Application Number: JP20040265350