Title:
FASTENING COPPER ALLOY
Document Type and Number:
WIPO Patent Application WO/2014/024293
Kind Code:
A1
Abstract:
A fastening copper alloy, of which the structure is composed of a mixed phase of an α phase and a β phase, and which has a chemical composition represented by general formula: Cubal.ZnaMnb (wherein each of bal., a and b is expressed in mass%; bal. represents a remainder, a and b fulfill the formulae 34 ≤ a ≤ 40.5 and 0.1 ≤ b ≤ 6; and unavoidable impurities may be contained) and fulfilling the formulae (1) and (2): (1) b ≥ (-8a+300)/7 (wherein 34 ≤ a < 37.5); and (2) b ≤ (-5.5a+225.25)/5 (wherein 35.5 ≤ a ≤ 40.5).
Inventors:
KIDO KOUTA (JP)
KOIZUMI TAKUYA (JP)
YOSHIMURA YASUHARU (JP)
FUKUYAMA TAKAHIRO (JP)
OGIHARA ATSUSHI (JP)
MIKADO KOUICHI (JP)
KIYOHARA JUN (JP)
TAIRA YOSHIO (JP)
KOIZUMI TAKUYA (JP)
YOSHIMURA YASUHARU (JP)
FUKUYAMA TAKAHIRO (JP)
OGIHARA ATSUSHI (JP)
MIKADO KOUICHI (JP)
KIYOHARA JUN (JP)
TAIRA YOSHIO (JP)
Application Number:
PCT/JP2012/070364
Publication Date:
February 13, 2014
Filing Date:
August 09, 2012
Export Citation:
Assignee:
YKK CORP (JP)
KIDO KOUTA (JP)
KOIZUMI TAKUYA (JP)
YOSHIMURA YASUHARU (JP)
FUKUYAMA TAKAHIRO (JP)
OGIHARA ATSUSHI (JP)
MIKADO KOUICHI (JP)
KIYOHARA JUN (JP)
TAIRA YOSHIO (JP)
KIDO KOUTA (JP)
KOIZUMI TAKUYA (JP)
YOSHIMURA YASUHARU (JP)
FUKUYAMA TAKAHIRO (JP)
OGIHARA ATSUSHI (JP)
MIKADO KOUICHI (JP)
KIYOHARA JUN (JP)
TAIRA YOSHIO (JP)
International Classes:
C22C9/04; A44B19/00; C22F1/08; C22F1/00
Foreign References:
| JP2003113454A | 2003-04-18 | |||
| JP2004332014A | 2004-11-25 | |||
| JP4357869B2 | 2009-11-04 |
Other References:
See also references of EP 2883971A4
Attorney, Agent or Firm:
AXIS Patent International (JP)
Axis international patent business corporation (JP)
Axis international patent business corporation (JP)
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