Title:
FASTENING PART STRUCTURE AND PROCESSING METHOD FOR SCREW HOLE BURRING PART
Document Type and Number:
Japanese Patent JP2014177996
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To enable screw fastening to be performed with predetermined fastening torque by applying burring processing to a thin sheet-metal material.SOLUTION: In an approximately cylindrical burring part 11, a burring-processed fastening material 1 is folded in a circumferential direction, and corrugated burring 11 elongated along a longitudinal direction of a cylindrical shape is applied.
Inventors:
YAMAGUCHI YOSHIMASU
Application Number:
JP2013052547A
Publication Date:
September 25, 2014
Filing Date:
March 14, 2013
Export Citation:
Assignee:
CANON KK
International Classes:
F16B37/02; B21D19/08; B21D22/02; B21D22/30; F16B5/02
Attorney, Agent or Firm:
Kurahashi 暎
Kentaro Kurahashi
Kentaro Kurahashi
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