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Patent Searching and Data


Title:
MEMBER MACHINING METHOD AND MEMBER JOINING METHOD
Document Type and Number:
WIPO Patent Application WO/2018/025667
Kind Code:
A1
Abstract:
The member joining method according to the present invention comprises: preparing a steel component 10 having a hole 11, an aluminum pipe 20 having a strength different from that of the steel component 10 and having a hollow shape extending in an axis L direction, and a rubber 30 having an elongation of at least 300% and a Shore A of at least 40 degrees; inserting the aluminum pipe 20 in the hole 11 of the steel component 10; inserting the rubber 30 into the aluminum pipe 20; enlarging and deforming the aluminum pipe 20 by compressing the rubber 30 in the axis L direction and by expanding the rubber 30 radially outward with respect to the axis L; and joining the aluminum pipe 20 and the steel component 10 together.

Inventors:
MAEDA, Yasuhiro
HASHIMURA, Toru
WATANABE, Kenichi
Application Number:
JP2017/026474
Publication Date:
February 08, 2018
Filing Date:
July 21, 2017
Export Citation:
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Assignee:
KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.) (2-4 Wakinohama-Kaigandori 2-chome, Chuo-ku Kobe-sh, Hyogo 85, 〒6518585, JP)
International Classes:
B21D39/06; B21D19/08; B21D39/20; B21D41/02
Attorney, Agent or Firm:
SAMEJIMA, Mutsumi et al. (AOYAMA & PARTNERS, Umeda Hankyu Bldg. Office Tower 8-1, Kakuda-cho, Kita-ku, Osaka-sh, Osaka 17, 〒5300017, JP)
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