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Patent Searching and Data


Title:
FRICTION STIR WELDING METHOD AND FRICTION STIR WELDING APPARATUS
Document Type and Number:
Japanese Patent JP2010149134
Kind Code:
A
Abstract:

To reduce wear of a tool, to extend service life, and to join members having complicated shapes at a low cost, in friction stir welding of a high melting point metallic material such as steel.

At least two workpieces to be welded are set in a butted state, while a recess is formed in a butting part therebetween, and an overlaying layer is formed and filled inside the recess. Then, a region at least close to the recess of the workpieces to be welded and the overlaying layer are simultaneously friction-stirred, so that at least the two workpieces to be welded are joined to each other.

COPYRIGHT: (C)2010,JPO&INPIT


Inventors:
ISHIWATARI YUTAKA
WADA KUNIHIKO
FUSE TOSHIAKI
Application Number:
JP2008328461A
Publication Date:
July 08, 2010
Filing Date:
December 24, 2008
Export Citation:
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Assignee:
TOSHIBA CORP
International Classes:
B23K20/12; B23K20/24; B23K28/02
Attorney, Agent or Firm:
Saichi Suyama
Hideaki Suyama
Yukio Kawahara
Satoshi Yamashita
Hiroshi Kumai