WO1999028536A1 - Procede attenuant l'elution du plomb des alliages de cuivre contenant du plomb, et accessoires de distribution d'eau de ville faits en alliage de cuivre contenant du plomb - Google Patents
Procede attenuant l'elution du plomb des alliages de cuivre contenant du plomb, et accessoires de distribution d'eau de ville faits en alliage de cuivre contenant du plomb Download PDFInfo
- Publication number
- WO1999028536A1 WO1999028536A1 PCT/JP1998/005429 JP9805429W WO9928536A1 WO 1999028536 A1 WO1999028536 A1 WO 1999028536A1 JP 9805429 W JP9805429 W JP 9805429W WO 9928536 A1 WO9928536 A1 WO 9928536A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lead
- copper alloy
- containing copper
- solution
- chromate
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/006—Arrangements or methods for cleaning or refurbishing water conduits
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/24—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing hexavalent chromium compounds
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/24—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing hexavalent chromium compounds
- C23C22/33—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing hexavalent chromium compounds containing also phosphates
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/10—Electroplating with more than one layer of the same or of different metals
- C25D5/12—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium
- C25D5/14—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium two or more layers being of nickel or chromium, e.g. duplex or triplex layers
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/34—Pretreatment of metallic surfaces to be electroplated
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49428—Gas and water specific plumbing component making
- Y10T29/4943—Plumbing fixture making
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98957126A EP1038990B1 (en) | 1997-12-03 | 1998-12-02 | Method of reducing elution of lead in lead containing copper alloys for drinking water service |
JP53060899A JP3182765B2 (ja) | 1997-12-03 | 1998-12-02 | 鉛含有銅合金の鉛溶出低減処理方法と鉛含有銅合金の鉛溶出低減めっき方法及び鉛含有銅合金製水道用器具 |
DE69839588T DE69839588D1 (de) | 1997-12-03 | 1998-12-02 | Verfahren zum reduzieren der freisetzung von blei in bleihaltigen kupferlegierungen für trinkwasserverteilung |
AU13503/99A AU1350399A (en) | 1997-12-03 | 1998-12-02 | Method of reducing elution of lead in lead-containing copper alloy, and city water service fittings made of lead-containing copper alloy |
US09/586,608 US6656294B1 (en) | 1997-12-03 | 2000-06-02 | Method of reducing elution of lead in lead-containing copper alloy, and drinking water service fittings made of lead-containing copper alloy |
US10/186,893 US20020170632A1 (en) | 1997-12-03 | 2002-07-02 | Method of reducing elution of lead in lead-containing copper alloy, and drinking water service fittings made of lead-containing copper alloy |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP33336197 | 1997-12-03 | ||
JP9/333361 | 1997-12-03 | ||
JP10234728 | 1998-08-20 | ||
JP10/234728 | 1998-08-20 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/586,608 Continuation US6656294B1 (en) | 1997-12-03 | 2000-06-02 | Method of reducing elution of lead in lead-containing copper alloy, and drinking water service fittings made of lead-containing copper alloy |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999028536A1 true WO1999028536A1 (fr) | 1999-06-10 |
Family
ID=26531729
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1998/005429 WO1999028536A1 (fr) | 1997-12-03 | 1998-12-02 | Procede attenuant l'elution du plomb des alliages de cuivre contenant du plomb, et accessoires de distribution d'eau de ville faits en alliage de cuivre contenant du plomb |
Country Status (7)
Country | Link |
---|---|
US (2) | US6656294B1 (ja) |
EP (1) | EP1038990B1 (ja) |
JP (1) | JP3182765B2 (ja) |
CN (1) | CN1207442C (ja) |
AU (1) | AU1350399A (ja) |
DE (1) | DE69839588D1 (ja) |
WO (1) | WO1999028536A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002356798A (ja) * | 2001-03-27 | 2002-12-13 | Toto Ltd | 水道用器具 |
WO2004081257A1 (ja) * | 2003-03-14 | 2004-09-23 | Inax Corporation | 鉛含有銅合金製水道用器具の製造方法、水道用器具の鋳造脱鉛品及び水道用器具 |
WO2006035695A1 (ja) * | 2004-09-28 | 2006-04-06 | Hayakawa Valve Production Co., Ltd. | 六価クロムフリー表面処理方法及び六価クロムフリー鉛含有銅系金属材 |
JP2016191096A (ja) * | 2015-03-31 | 2016-11-10 | Toto株式会社 | 鉛およびニッケル溶出が抑制された水道用器具の製造方法 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6830629B2 (en) * | 2000-08-31 | 2004-12-14 | The Ford Meter Box Company, Inc. | Method for treating brass |
CN1274881C (zh) * | 2000-10-31 | 2006-09-13 | 株式会社伊奈 | 带筒状部的含铅铜合金电镀制品的除铅方法与水阀金属件 |
JPWO2004024987A1 (ja) * | 2002-08-30 | 2006-01-12 | 東陶機器株式会社 | 鉛含有銅合金の鉛溶出低減処理方法及び鉛含有銅合金製水道用器具 |
JP4197269B2 (ja) * | 2002-09-09 | 2008-12-17 | 株式会社キッツ | バルブ・管継手等の銅合金製配管器材のニッケル溶出防止法及びその銅合金製配管器材 |
JP4588698B2 (ja) * | 2004-03-05 | 2010-12-01 | 株式会社キッツ | 銅合金製接液器材のニッケル溶出防止方法及びニッケル溶出防止用保護膜形成剤 |
JP4661206B2 (ja) * | 2004-12-17 | 2011-03-30 | 東ソー株式会社 | 半導体基板洗浄液 |
EP1957722A4 (en) * | 2005-11-28 | 2010-11-24 | Beneq Oy | PROCESS FOR PREVENTING THE METAL LIXIVIATION OF COPPER AND ITS ALLOYS |
JP2007308779A (ja) * | 2006-05-22 | 2007-11-29 | Toto Ltd | めっき前処理法及び鉛含有銅合金製水道用器具 |
EP2309030B1 (en) * | 2009-09-25 | 2012-03-28 | Gruppo Cimbali S.p.A. | A method of reducing the quantity of lead released by bronze and/or brass water-system components into liquids that are intended for human consumption |
IT1395929B1 (it) * | 2009-09-25 | 2012-11-02 | Gruppo Cimbali Spa | Procedimento per la riduzione del quantitativo di piombo, rilasciato da componenti idraulici in bronzo e/o in ottone in liquidi destinati al consumo umano. |
JP5037742B2 (ja) | 2010-08-24 | 2012-10-03 | 株式会社キッツ | 銅合金のBi溶出防止方法 |
CN114277383A (zh) * | 2021-12-24 | 2022-04-05 | 南通恒昌通讯设备有限公司 | 一种耐腐蚀的铜合金表面处理方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50148253A (ja) * | 1974-05-11 | 1975-11-27 | ||
JPS5352252A (en) * | 1976-10-25 | 1978-05-12 | Nippon Soda Co | Method of chemically treating surface of copper based alloy |
JPS648278A (en) * | 1987-06-29 | 1989-01-12 | Mitsui Mining & Smelting Co | Chromate treatment |
JPH1072683A (ja) * | 1996-08-30 | 1998-03-17 | Toto Ltd | 鉛含有銅合金製の水栓金具の鉛溶出防止処理方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2494909A (en) * | 1947-02-28 | 1950-01-17 | American Chem Paint Co | Method of coating copper, brass, terneplate, magnesium, zinciferous and ferriferous metals |
US3514343A (en) * | 1966-12-13 | 1970-05-26 | Lubrizol Corp | Regeneration of chromate conversion coating solutions |
JPS6011112B2 (ja) | 1977-03-01 | 1985-03-23 | 新日本製鐵株式会社 | 鋼板への酸化珪素の付着を防止する洗浄浴 |
US4687545A (en) * | 1986-06-18 | 1987-08-18 | Macdermid, Incorporated | Process for stripping tin or tin-lead alloy from copper |
JPH02274900A (ja) | 1989-04-15 | 1990-11-09 | Toto Ltd | 重金属の除去方法 |
JP2720116B2 (ja) | 1991-05-29 | 1998-02-25 | 荏原ユージライト 株式会社 | 銅または銅合金からなる材料の電解エッチング液 |
JPH0711481A (ja) | 1993-06-29 | 1995-01-13 | Fuji Electric Co Ltd | 鉛入り銅合金用のめっき前処理液 |
GB9409811D0 (en) * | 1994-05-17 | 1994-07-06 | Imi Yorkshire Fittings | Improvements in copper alloy water fittings |
US5544859A (en) * | 1994-06-03 | 1996-08-13 | Hazen Research, Inc. | Apparatus and method for inhibiting the leaching of lead in water |
US5454876A (en) * | 1994-08-02 | 1995-10-03 | 21St Century Companies, Inc. | Process for reducing lead leachate in brass plumbing components |
US5601658A (en) | 1995-06-30 | 1997-02-11 | Purdue Research Foundation | Method of treating lead-containing surfaces to passivate the surface lead |
AU711992B2 (en) * | 1995-08-03 | 1999-10-28 | Europa Metalli S.P.A. | Low lead release plumbing components made of copper based alloys containing lead, and a method for obtaining the same |
US5958257A (en) | 1997-01-07 | 1999-09-28 | Gerber Plumbing Fixtures Corp. | Process for treating brass components to reduce leachable lead |
US5879532A (en) * | 1997-07-09 | 1999-03-09 | Masco Corporation Of Indiana | Process for applying protective and decorative coating on an article |
-
1998
- 1998-12-02 CN CNB988134667A patent/CN1207442C/zh not_active Expired - Lifetime
- 1998-12-02 EP EP98957126A patent/EP1038990B1/en not_active Expired - Lifetime
- 1998-12-02 DE DE69839588T patent/DE69839588D1/de not_active Expired - Lifetime
- 1998-12-02 JP JP53060899A patent/JP3182765B2/ja not_active Expired - Lifetime
- 1998-12-02 AU AU13503/99A patent/AU1350399A/en not_active Abandoned
- 1998-12-02 WO PCT/JP1998/005429 patent/WO1999028536A1/ja active IP Right Grant
-
2000
- 2000-06-02 US US09/586,608 patent/US6656294B1/en not_active Expired - Lifetime
-
2002
- 2002-07-02 US US10/186,893 patent/US20020170632A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50148253A (ja) * | 1974-05-11 | 1975-11-27 | ||
JPS5352252A (en) * | 1976-10-25 | 1978-05-12 | Nippon Soda Co | Method of chemically treating surface of copper based alloy |
JPS648278A (en) * | 1987-06-29 | 1989-01-12 | Mitsui Mining & Smelting Co | Chromate treatment |
JPH1072683A (ja) * | 1996-08-30 | 1998-03-17 | Toto Ltd | 鉛含有銅合金製の水栓金具の鉛溶出防止処理方法 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1038990A4 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002356798A (ja) * | 2001-03-27 | 2002-12-13 | Toto Ltd | 水道用器具 |
WO2004081257A1 (ja) * | 2003-03-14 | 2004-09-23 | Inax Corporation | 鉛含有銅合金製水道用器具の製造方法、水道用器具の鋳造脱鉛品及び水道用器具 |
WO2006035695A1 (ja) * | 2004-09-28 | 2006-04-06 | Hayakawa Valve Production Co., Ltd. | 六価クロムフリー表面処理方法及び六価クロムフリー鉛含有銅系金属材 |
JP2016191096A (ja) * | 2015-03-31 | 2016-11-10 | Toto株式会社 | 鉛およびニッケル溶出が抑制された水道用器具の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
CN1207442C (zh) | 2005-06-22 |
CN1284137A (zh) | 2001-02-14 |
DE69839588D1 (de) | 2008-07-17 |
US20020170632A1 (en) | 2002-11-21 |
JP3182765B2 (ja) | 2001-07-03 |
US6656294B1 (en) | 2003-12-02 |
EP1038990A4 (en) | 2003-10-01 |
AU1350399A (en) | 1999-06-16 |
EP1038990A1 (en) | 2000-09-27 |
EP1038990B1 (en) | 2008-06-04 |
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