Title:
PRESSING METHOD AND PRESSING DEVICE
Document Type and Number:
WIPO Patent Application WO/2006/104270
Kind Code:
A1
Abstract:
A pressing device (80) for forming by pressing a bottom of a tubular workpiece (9) having the bottom, the bottom forming being performed between an inner die (521) inserted into the inmost part of the workpiece (9) and an outer die (551) placed outside the workpiece (9). The pressing device (80) has a chuck position switching mechanism (501) for holding the workpiece (9) so as to be movable in its axis direction, an inner die movement mechanism (522) for moving the inner die (521) in the Y-axis direction to insert it into the inmost part of the workpiece (9), a stopper mechanism (531) for restricting the movement of the inner die (521) and supporting the inner die (521) at a working position, and an outer die movement mechanism (552) for moving the outer die (551) in the Y-axis direction and pressing the bottom of the workpiece (9) between the outer die (551) and the inner die (521).
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Inventors:
MISHIMA KEISUKE (JP)
KURODA HIROFUMI (JP)
KURODA HIROFUMI (JP)
Application Number:
PCT/JP2006/307381
Publication Date:
October 05, 2006
Filing Date:
March 31, 2006
Export Citation:
Assignee:
KAYABA INDUSTRY CO LTD (JP)
MISHIMA KEISUKE (JP)
KURODA HIROFUMI (JP)
MISHIMA KEISUKE (JP)
KURODA HIROFUMI (JP)
International Classes:
B21D41/04; B21D22/30
Foreign References:
| JP2001516643A | 2001-10-02 | |||
| JP2003509181A | 2003-03-11 | |||
| JP2005342725A | 2005-12-15 |
Other References:
See also references of EP 1870178A4
Attorney, Agent or Firm:
Goto, Masaki (3-1 Kasumigaseki 3-chom, Chiyoda-ku Tokyo, JP)
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