EP1038981A4 - Free-cutting copper alloy - Google Patents

Free-cutting copper alloy

Info

Publication number
EP1038981A4
EP1038981A4 EP98953070A EP98953070A EP1038981A4 EP 1038981 A4 EP1038981 A4 EP 1038981A4 EP 98953070 A EP98953070 A EP 98953070A EP 98953070 A EP98953070 A EP 98953070A EP 1038981 A4 EP1038981 A4 EP 1038981A4
Authority
EP
European Patent Office
Prior art keywords
free
copper alloy
cutting copper
cutting
alloy
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP98953070A
Other languages
German (de)
French (fr)
Other versions
EP1038981A1 (en
EP1038981B1 (en
Inventor
Keiichiro Oishi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sambo Copper Alloy Co Ltd
Original Assignee
Sambo Copper Alloy Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sambo Copper Alloy Co Ltd filed Critical Sambo Copper Alloy Co Ltd
Priority to EP04077561A priority Critical patent/EP1508626B1/en
Priority to EP04077560A priority patent/EP1502964B1/en
Publication of EP1038981A1 publication Critical patent/EP1038981A1/en
Publication of EP1038981A4 publication Critical patent/EP1038981A4/en
Application granted granted Critical
Publication of EP1038981B1 publication Critical patent/EP1038981B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/08Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C9/00Alloys based on copper
    • C22C9/04Alloys based on copper with zinc as the next major constituent
EP98953070A 1998-10-09 1998-11-16 Free-cutting copper alloy Expired - Lifetime EP1038981B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP04077561A EP1508626B1 (en) 1998-10-09 1998-11-16 Free-cutting copper alloys
EP04077560A EP1502964B1 (en) 1998-10-09 1998-11-16 Free-cutting copper alloys

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP28792198A JP3917304B2 (en) 1998-10-09 1998-10-09 Free-cutting copper alloy
JP28792198 1998-10-09
PCT/JP1998/005156 WO2000022181A1 (en) 1998-10-09 1998-11-16 Free-cutting copper alloy

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP04077560A Division EP1502964B1 (en) 1998-10-09 1998-11-16 Free-cutting copper alloys
EP04077561A Division EP1508626B1 (en) 1998-10-09 1998-11-16 Free-cutting copper alloys

Publications (3)

Publication Number Publication Date
EP1038981A1 EP1038981A1 (en) 2000-09-27
EP1038981A4 true EP1038981A4 (en) 2003-02-19
EP1038981B1 EP1038981B1 (en) 2005-01-26

Family

ID=17723462

Family Applications (3)

Application Number Title Priority Date Filing Date
EP98953070A Expired - Lifetime EP1038981B1 (en) 1998-10-09 1998-11-16 Free-cutting copper alloy
EP04077560A Expired - Lifetime EP1502964B1 (en) 1998-10-09 1998-11-16 Free-cutting copper alloys
EP04077561A Expired - Lifetime EP1508626B1 (en) 1998-10-09 1998-11-16 Free-cutting copper alloys

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP04077560A Expired - Lifetime EP1502964B1 (en) 1998-10-09 1998-11-16 Free-cutting copper alloys
EP04077561A Expired - Lifetime EP1508626B1 (en) 1998-10-09 1998-11-16 Free-cutting copper alloys

Country Status (8)

Country Link
EP (3) EP1038981B1 (en)
JP (1) JP3917304B2 (en)
KR (1) KR100375426B1 (en)
AU (1) AU738301B2 (en)
CA (1) CA2303512C (en)
DE (3) DE69828818T2 (en)
TW (1) TW577931B (en)
WO (1) WO2000022181A1 (en)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8506730B2 (en) 1998-10-09 2013-08-13 Mitsubishi Shindoh Co., Ltd. Copper/zinc alloys having low levels of lead and good machinability
JP2002069551A (en) * 2000-09-04 2002-03-08 Sumitomo Light Metal Ind Ltd Free cutting copper alloy
DE10132055C2 (en) * 2001-07-05 2003-12-11 Diehl Metall Stiftung & Co Kg Dezincification-resistant copper-zinc alloy and process for its production
JP2004244672A (en) 2003-02-13 2004-09-02 Dowa Mining Co Ltd Copper-base alloy with excellent dezincification resistance
CZ20032094A3 (en) * 2003-08-01 2005-04-13 Kovohutě Čelákovice A. S. Architectural bronze
ATE466965T1 (en) * 2004-10-11 2010-05-15 Diehl Metall Stiftung & Co Kg COPPER-ZINC-SILICON ALLOY, ITS USE AND PRODUCTION
BRPI0519837B1 (en) * 2005-09-22 2016-11-16 Mitsubishi Shindo Kk easily machined copper alloys containing very low lead content
KR100864909B1 (en) * 2007-01-30 2008-10-22 주식회사 풍산 A free-cutting copper alloy
KR100864910B1 (en) * 2007-01-30 2008-10-22 주식회사 풍산 A free-cutting copper alloy
JP5326114B2 (en) 2009-04-24 2013-10-30 サンエツ金属株式会社 High strength copper alloy
JP5645570B2 (en) * 2010-09-27 2014-12-24 株式会社Lixil Copper-based alloys for forging and cutting, and water supply equipment
US20140294665A1 (en) 2011-02-04 2014-10-02 Baoshida Swissmetal Ag Cu-Ni-Zn-Mn Alloy
IN2014MN00785A (en) * 2011-11-04 2015-05-22 Mitsubishi Shindo Kk
JP5763504B2 (en) * 2011-11-11 2015-08-12 三菱伸銅株式会社 Copper alloy rolling materials and rolled products
JP2013194277A (en) * 2012-03-19 2013-09-30 Lixil Corp Copper-based alloy for cutting and device for water service using the alloy
US10006106B2 (en) 2012-10-31 2018-06-26 Kitz Corporation Brass alloy and processed part and wetted part
JP2015175008A (en) * 2014-03-13 2015-10-05 株式会社Lixil Lead-less brass material and implement for aqueduct
JP6482530B2 (en) * 2014-03-31 2019-03-13 株式会社栗本鐵工所 Low lead brass alloy for water supply components
TWI598452B (en) 2016-01-21 2017-09-11 慶堂工業股份有限公司 Unleaded, free-cutting brass alloys with excellent castability, method for producing the same, and application thereof
US10538828B2 (en) * 2016-08-15 2020-01-21 Mitsubishi Shindoh Co., Ltd. Free-cutting copper alloy, and method for producing free-cutting copper alloy
FI3656883T3 (en) * 2017-08-15 2024-01-24 Mitsubishi Materials Corp High-strength free-cutting copper alloy and method for producing high-strength free-cutting copper alloy
JP6448168B1 (en) * 2017-08-15 2019-01-09 三菱伸銅株式会社 Free-cutting copper alloy and method for producing free-cutting copper alloy
JP6448166B1 (en) * 2017-08-15 2019-01-09 三菱伸銅株式会社 Free-cutting copper alloy and method for producing free-cutting copper alloy
US11155909B2 (en) 2017-08-15 2021-10-26 Mitsubishi Materials Corporation High-strength free-cutting copper alloy and method for producing high-strength free-cutting copper alloy
KR101969010B1 (en) 2018-12-19 2019-04-15 주식회사 풍산 Lead free cutting copper alloy with no lead and bismuth
JP7180488B2 (en) * 2019-03-25 2022-11-30 三菱マテリアル株式会社 Copper alloy round bar
WO2020261666A1 (en) 2019-06-25 2020-12-30 三菱マテリアル株式会社 Free-cutting copper alloy and method for producing free-cutting copper alloy
KR102623143B1 (en) 2019-06-25 2024-01-09 미쓰비시 마테리알 가부시키가이샤 Free-cutting copper alloy castings, and method for manufacturing free-cutting copper alloy castings
KR102305301B1 (en) 2019-06-25 2021-09-24 미쓰비시 마테리알 가부시키가이샤 A free-machining copper alloy, and a manufacturing method of a free-machining copper alloy
CA3157545A1 (en) 2019-12-11 2021-06-17 Mitsubishi Materials Corporation Free-cutting copper alloy and method for manufacturing free-cutting copper alloy
DE102020127317A1 (en) 2020-10-16 2022-04-21 Diehl Metall Stiftung & Co. Kg Lead-free copper alloy and use of lead-free copper alloy

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3427740A1 (en) * 1984-07-27 1986-02-06 Diehl GmbH & Co, 8500 Nürnberg BRASS ALLOY, MANUFACTURING METHOD AND USE
JPS61133357A (en) * 1984-12-03 1986-06-20 Showa Alum Ind Kk Cu base alloy for bearing superior in workability and seizure resistance
WO1994001591A1 (en) * 1992-07-01 1994-01-20 Olin Corporation Machinable copper alloys having reduced lead content
US5658401A (en) * 1993-11-18 1997-08-19 Diehl Gmbh & Co. Copper-zinc alloy

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Publication number Priority date Publication date Assignee Title
JPS5696040A (en) * 1979-12-28 1981-08-03 Seiko Epson Corp Exterior decorative part material for casting
JPS62297429A (en) * 1986-06-17 1987-12-24 Nippon Mining Co Ltd Copper alloy having excellent corrosion resistance
TW434324B (en) * 1996-09-05 2001-05-16 Furukawa Electric Co Ltd Copper alloy for electronic devices
JP3459520B2 (en) * 1996-09-05 2003-10-20 古河電気工業株式会社 Copper alloy for lead frame

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3427740A1 (en) * 1984-07-27 1986-02-06 Diehl GmbH & Co, 8500 Nürnberg BRASS ALLOY, MANUFACTURING METHOD AND USE
JPS61133357A (en) * 1984-12-03 1986-06-20 Showa Alum Ind Kk Cu base alloy for bearing superior in workability and seizure resistance
WO1994001591A1 (en) * 1992-07-01 1994-01-20 Olin Corporation Machinable copper alloys having reduced lead content
US5658401A (en) * 1993-11-18 1997-08-19 Diehl Gmbh & Co. Copper-zinc alloy

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
"ASM Speciality Handbook: Copper and Copper Alloys", 2001, ASM INTERNATIONAL, OHIO, USA, XP002223300 *
CONGRESSO ANUAL - ASSOCIACAO BRASILEIRA DE METALURGIA E MATERIAIS (1998), VOLUME DATE 1997, 52ND(II CONGRESSO INTERNACIONAL DE TECNOLOGIA METALURGICA E DE MATERIAIS), 5012-5032 *
DATABASE CA [online] CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US; MANNHEIM, R. ET AL: "Silicon brass: an alternative for lead-free faucets and fittings", XP002223301, retrieved from STN Database accession no. 131:246354 *
PATENT ABSTRACTS OF JAPAN vol. 010, no. 321 (C - 382) 31 October 1986 (1986-10-31) *
See also references of WO0022181A1 *

Also Published As

Publication number Publication date
AU738301B2 (en) 2001-09-13
EP1038981A1 (en) 2000-09-27
DE69833582T2 (en) 2007-01-18
DE69828818T2 (en) 2006-01-05
TW577931B (en) 2004-03-01
EP1038981B1 (en) 2005-01-26
WO2000022181A1 (en) 2000-04-20
AU1054099A (en) 2000-05-01
CA2303512C (en) 2006-07-11
JP2000119774A (en) 2000-04-25
CA2303512A1 (en) 2000-04-20
KR100375426B1 (en) 2003-03-10
DE69833582D1 (en) 2006-04-27
DE69835912D1 (en) 2006-10-26
DE69828818D1 (en) 2005-03-03
EP1508626B1 (en) 2006-09-13
EP1502964A1 (en) 2005-02-02
EP1502964B1 (en) 2006-03-01
JP3917304B2 (en) 2007-05-23
KR20010033101A (en) 2001-04-25
DE69835912T2 (en) 2007-03-08
EP1508626A1 (en) 2005-02-23

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