PRESS FIT JOINING METHOD - OHASHI TECHNICA INC

Title:

PRESS FIT JOINING METHOD

Document Type and Number:

WIPO Patent Application WO/2006/109650

Kind Code:

A1

Abstract:

A press fit joining method of members constituting a metallic element component in which joining is carried out easily in good environment while exhibiting excellent mass productivity, reliability and strength. Cross-section at the press fit portion employs a first member (2) having a hole (3) in which an identical inner wall face portion is formed, and a shaft-like second member (4) provided with a predetermined press fit allowance between the hole and the second member. The first member (2) is arranged on the surface portion of a first electrode (6), side face portion of the second member (4) is held mechanically by a second electrode (8) consisting of a plurality of electrode pieces (9), the second member (4) thus held is pressed with a predetermined pressure toward the inside of the hole (3) in the first member (2), both members are conducted to generate electric resistance heat at the joint, the second member is press fitted in the hole, a joint interface is formed at the joint between the joint face portion of the second member and the inner wall face portion of the hole, and the joint is held in solid phase state.

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Inventors:

NOZUE AKIRA (JP)
KIMPARA OSAMU (JP)
KANDA AKIRA (JP)
HARADA KAZUYOSHI (JP)

Application Number:

PCT/JP2006/307232

Publication Date:

October 19, 2006

Filing Date:

April 05, 2006

Export Citation:

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Assignee:

OHASHI TECHNICA INC (JP)
NOZUE AKIRA (JP)
KIMPARA OSAMU (JP)
KANDA AKIRA (JP)
HARADA KAZUYOSHI (JP)

International Classes:

B23P11/00; B23K20/02; B23P19/02; C23C2/06; C25D7/00

Foreign References:

JP2005014064A	2005-01-20
JP2001353628A	2001-12-25
JP2002153974A	2002-05-28
JPS61162286A	1986-07-22
JP2001113377A	2001-04-24

Attorney, Agent or Firm:

Dobashi, Akira (17-3 Toranomon 1-chom, Minato-ku Tokyo 01, JP)

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