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Title:
METHOD AND DEVICE FOR MANUFACTURING VEHICLE ARM COMPONENT
Document Type and Number:
WIPO Patent Application WO/2017/081816
Kind Code:
A1
Abstract:
[Problem] To provide a vehicle arm component manufacturing method whereby the yield of a material can be further improved. [Solution] The present invention has: an expanding step (S05) for expanding the X-direction width of a workpiece from a first width (X1) to a second width (X2) by pressing, in the Z direction, a portion (P8) to be applied with pressure, said portion being provided within the surface of the workpiece (W); and a separating step (S06) for cutting down, from a material (M) to be machined, the workpiece the X-direction width of which has been expanded to the first width.

Inventors:
KUROI YUTAKA (JP)
ITO HIRONORI (JP)
Application Number:
PCT/JP2015/081987
Publication Date:
May 18, 2017
Filing Date:
November 13, 2015
Export Citation:
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Assignee:
YOROZU JIDOSHA KOGYO KK (JP)
International Classes:
B21D53/88; B21D22/02; B21D28/06
Foreign References:
JP2004503273A2004-02-05
JPS59232631A1984-12-27
JP2015011511A2015-01-19
JPH07236930A1995-09-12
Other References:
See also references of EP 3375540A4
Attorney, Agent or Firm:
HATTA & ASSOCIATES (JP)
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