Title:
PATTERNING METHOD OF ALUMINUM SHAPE
Document Type and Number:
Japanese Patent JP2014133238
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a patterning method of an aluminum shape capable of suppressing generation of shape defects such as warp and torsion.SOLUTION: The patterning method is for obtaining an aluminum shape A by extrusion molding, carrying out tempering, and then carrying out patterning work by a press machine 10. For the aluminum shape A, a body part a1 to which the patterning work is to be carried out is in a long plate shape and is curved in a width direction, and a rib a2 is formed. Since the aluminum shape A after tempering is hard and rigidity is increased by the rib a2, it can oppose pressurizing force of the press machine 10 and the generation of shape defects such as a warp and torsion can be suppressed. Since the body part a1 is curved in the width direction, the warp in a longitudinal direction of the aluminum shape A can be suppressed.
Inventors:
NAKAHARA TAKAO
NAO SHINJI
OHAMA RITSUSHI
KAMEI KUNIHIKO
NAO SHINJI
OHAMA RITSUSHI
KAMEI KUNIHIKO
Application Number:
JP2013001505A
Publication Date:
July 24, 2014
Filing Date:
January 09, 2013
Export Citation:
Assignee:
SHIKOKU CHEM
SHIKOKU KEIZAI KK
SHIKOKU KEIZAI KK
International Classes:
B21D31/00; B44C1/24; C22F1/04; C22F1/00
Domestic Patent References:
| JPS6029489A | 1985-02-14 | |||
| JP2011218799A | 2011-11-04 | |||
| JP2008069395A | 2008-03-27 | |||
| JPS602694A | 1985-01-08 | |||
| JPH05279819A | 1993-10-26 | |||
| JPH09177238A | 1997-07-08 | |||
| JP2004338153A | 2004-12-02 | |||
| JP2011074470A | 2011-04-14 |
Attorney, Agent or Firm:
Yasunobu Yamauchi
Hiroshi Nakai
Shin Yamauchi
Hiroshi Nakai
Shin Yamauchi
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