Title:
CAULKING FIXING MEMBER AND METHOD OF MANUFACTURING CAULKING FIXING MEMBER
Document Type and Number:
Japanese Patent JP2019010671
Kind Code:
A
Abstract:
To solve the problem of difficulty in management of strength and durability when caulking and fixing a hollow member and a fixing object member by electromagnetic molding.SOLUTION: A method of manufacturing a caulking fixing member according to the present invention includes a step of chamfering both ends of a through-hole 16 in a fixing object member 10 having the through-hole 16, a step of mounting a hollow member 30 through the through-hole 16, a step of mounting an electromagnetic molding coil at a position inside the hollow member 30 that corresponds to the through-hole 16, and a step of caulking and fixing the hollow member 30 to the fixing object member 10 by diametrically expanding the hollow member 30 by executing pulse-energization on the electromagnetic molding coil.SELECTED DRAWING: Figure 2
Inventors:
YABUOSHI MASATO
Application Number:
JP2017129571A
Publication Date:
January 24, 2019
Filing Date:
June 30, 2017
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
B21D39/08; B21D39/00; F16B4/00
Domestic Patent References:
| JPH07116751A | 1995-05-09 | |||
| JP2011073052A | 2011-04-14 | |||
| JP2013160253A | 2013-08-19 | |||
| JP2006096154A | 2006-04-13 | |||
| JPS5047055A | 1975-04-26 | |||
| JPS62254931A | 1987-11-06 | |||
| JPS5674335A | 1981-06-19 | |||
| JPH02137626A | 1990-05-25 |
Foreign References:
| US1587445A | 1926-06-01 |
Attorney, Agent or Firm:
Patent Corporation yki International Patent Office