Caulked assembly of metal plate body with columnar body, caulked assembly of resin molded body with columnar body, and method for producing the same
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United States of America Patent
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Apr 5, 2011
Grant Date -
Oct 4, 2007
app pub date -
Mar 20, 2007
filing date -
Mar 20, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention provides a caulked assembly to be manufactured at low cost, and maintain sufficient caulking strength, and the manufacturing method and apparatus thereof. The manufacturing method comprises steps of forming a mounting hole for inserting and assembling a columnar body in a metal plate body, and forming a thick part along an inner circumferential edge of a mounting hole; forming a circumferential groove with a predetermined depth at an assembled position of a outer circumferential surface of the columnar body inserted into the mounting hole; inserting the columnar body into the mounting hole to set to the assembled position where the thick part is opposed to the circumferential groove; and caulking for compressively pressing the thick part from an axial direction of the columnar body to plastically deform the thick part in a center direction of the mounting hole to bite the thick part into the circumferential groove.
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