SEAM WELDING APPARATUS - HONDA MOTOR CO LTD

Title:

SEAM WELDING APPARATUS

Document Type and Number:

WIPO Patent Application WO/2003/103884

Kind Code:

A1

Abstract:

A seam welding apparatus (10) comprises an upper electrode disk (16a) that is provided at a position offset from piston rods (pressing shafts) (56a, 56b) of cylinders (54a, 54b) that press toward the side of a lower electrode disk (16a), a bracket (42) that is displaced integrally with the upper electrode disk (16a) under biasing/de-biasing action of the cylinders (54a, 54b), an offset pressing mechanism (22) including a guide mechanism (44) that guides the bracket (42) along the vertical direction, and rotation mechanisms (26, 26a) for rotating the upper and lower electrode disks (16a, 16b) by a predetermined angle along the horizontal direction in accordance with the shape of a welding line (A) of an outer peripheral end portion (78) of a work piece (20).

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Inventors:

YAMAOKA NAOJI (JP)
RYU HIDEKAZU (JP)
YAGI HIROYUKI (JP)
SHIMADA TAKASHI (JP)
OHASHI MASAHIRO (JP)
ARAKI TAKAYUKI (JP)
MAESHIMA SEIICHI (JP)

Application Number:

PCT/JP2003/007338

Publication Date:

December 18, 2003

Filing Date:

June 10, 2003

Export Citation:

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Assignee:

HONDA MOTOR CO LTD (JP)
YAMAOKA NAOJI (JP)
RYU HIDEKAZU (JP)
YAGI HIROYUKI (JP)
SHIMADA TAKASHI (JP)
OHASHI MASAHIRO (JP)
ARAKI TAKAYUKI (JP)
MAESHIMA SEIICHI (JP)

International Classes:

B23K11/06; B23K11/08; B23K11/30; B23K37/04; (IPC1-7): B23K11/06

Foreign References:

JP3068791B2	2000-07-24
JPS4738294B1	1972-09-27
JPH1099972A	1998-04-21
JPS5144756Y1	1976-10-29
JPH0647557A	1994-02-22
JPH07241684A	1995-09-19
JPH0368791A	1991-03-25

Other References: