EP0249206A3 - Verfahren zur Erzeugung von Chromatüberzügen - Google Patents
Verfahren zur Erzeugung von Chromatüberzügen Download PDFInfo
- Publication number
- EP0249206A3 EP0249206A3 EP87108362A EP87108362A EP0249206A3 EP 0249206 A3 EP0249206 A3 EP 0249206A3 EP 87108362 A EP87108362 A EP 87108362A EP 87108362 A EP87108362 A EP 87108362A EP 0249206 A3 EP0249206 A3 EP 0249206A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- drying
- contact
- hydrazine
- zinc
- chromate coatings
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- C23C22/82—After-treatment
- C23C22/83—Chemical after-treatment
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61136030A JPS62294184A (ja) | 1986-06-13 | 1986-06-13 | クロメ−ト皮膜の溶出抑制方法 |
JP136030/86 | 1986-06-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0249206A2 EP0249206A2 (de) | 1987-12-16 |
EP0249206A3 true EP0249206A3 (de) | 1989-03-15 |
Family
ID=15165539
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87108362A Withdrawn EP0249206A3 (de) | 1986-06-13 | 1987-06-10 | Verfahren zur Erzeugung von Chromatüberzügen |
Country Status (6)
Country | Link |
---|---|
US (1) | US4956027A (de) |
EP (1) | EP0249206A3 (de) |
JP (1) | JPS62294184A (de) |
AU (1) | AU595331B2 (de) |
CA (1) | CA1295214C (de) |
DE (1) | DE3719312A1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0730457B2 (ja) * | 1988-02-18 | 1995-04-05 | 新日本製鐵株式会社 | クロメート処理メッキ鋼板とその製造方法 |
JPH07100873B2 (ja) * | 1989-09-27 | 1995-11-01 | 日本パーカライジング株式会社 | 亜鉛系メッキ鋼板のクロメート塗布液 |
DE4135524C2 (de) * | 1991-10-28 | 1995-01-26 | Gc Galvano Consult Gmbh | Verfahren und Mittel zum Chromatieren von Oberflächen aus Zink oder Cadmium oder Legierungen davon |
US6190464B1 (en) | 1998-09-24 | 2001-02-20 | Nisshin Steel Co., Ltd. | Chromating solution and chromated metal sheet |
ES2381213T3 (es) * | 2006-02-14 | 2012-05-24 | Henkel Ag & Co. Kgaa | Composición y procesos de fabricación de un recubrimiento de cromo trivalente, resistente a la corrosión, secado "in situ", para aplicar sobre superficies metálicas |
CA2651393C (en) * | 2006-05-10 | 2016-11-01 | Henkel Ag & Co. Kgaa | Improved trivalent chromium-containing composition for use in corrosion resistant coatings on metal surfaces |
US20090014094A1 (en) * | 2007-07-12 | 2009-01-15 | Joseph Kuezynski | Methods for Reducing Hexavalent Chromium in Trivalent Chromate Conversion Coatings |
DE102007060185A1 (de) * | 2007-12-14 | 2009-06-18 | Siemens Ag | Verfahren zum Beschichten einer metallischen Oberfläche sowie Beschichtungssystem |
KR101221841B1 (ko) * | 2012-08-16 | 2013-01-22 | (주)현대산기 | 판재 절단장치 |
US10156016B2 (en) | 2013-03-15 | 2018-12-18 | Henkel Ag & Co. Kgaa | Trivalent chromium-containing composition for aluminum and aluminum alloys |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2976193A (en) * | 1959-08-03 | 1961-03-21 | Purex Corp Ltd | Process and compositions for producing aluminum surface conversion coatings |
FR1576677A (de) * | 1967-10-13 | 1969-08-01 | ||
US3762949A (en) * | 1971-08-31 | 1973-10-02 | Inland Steel Co | Method for removing chromate stain from galvanized metal |
FR2332339A1 (fr) * | 1975-11-24 | 1977-06-17 | Imasa Ltd | Revetements de chromate noir prepares par contact avec une solution contenant du soufre |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2768104A (en) * | 1952-03-25 | 1956-10-23 | Heintz Mfg Co | Method for coating iron |
US2777785A (en) * | 1953-07-30 | 1957-01-15 | Heintz Mfg Co | Composition for and method of treating metals as well as the treated product |
US3493441A (en) * | 1967-08-25 | 1970-02-03 | Hooker Chemical Corp | Detoxification of hexavalent chromium containing coating on a metal surface |
US3620777A (en) * | 1968-07-24 | 1971-11-16 | Hooker Chemical Corp | Chromate chemical coating solution for zinc alloy |
US3935035A (en) * | 1973-06-05 | 1976-01-27 | Nippon Steel Corporation | Aqueous solution and method for surface treatment of metals |
US3932198A (en) * | 1974-05-24 | 1976-01-13 | Amchem Products, Inc. | Coating solution having trivalent chromium and manganese for coating metal surfaces |
-
1986
- 1986-06-13 JP JP61136030A patent/JPS62294184A/ja active Granted
-
1987
- 1987-06-10 EP EP87108362A patent/EP0249206A3/de not_active Withdrawn
- 1987-06-10 DE DE19873719312 patent/DE3719312A1/de not_active Withdrawn
- 1987-06-12 AU AU74168/87A patent/AU595331B2/en not_active Ceased
- 1987-06-15 CA CA000539695A patent/CA1295214C/en not_active Expired - Fee Related
-
1989
- 1989-02-21 US US07/313,330 patent/US4956027A/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2976193A (en) * | 1959-08-03 | 1961-03-21 | Purex Corp Ltd | Process and compositions for producing aluminum surface conversion coatings |
FR1576677A (de) * | 1967-10-13 | 1969-08-01 | ||
US3762949A (en) * | 1971-08-31 | 1973-10-02 | Inland Steel Co | Method for removing chromate stain from galvanized metal |
FR2332339A1 (fr) * | 1975-11-24 | 1977-06-17 | Imasa Ltd | Revetements de chromate noir prepares par contact avec une solution contenant du soufre |
Also Published As
Publication number | Publication date |
---|---|
AU595331B2 (en) | 1990-03-29 |
DE3719312A1 (de) | 1987-12-17 |
US4956027A (en) | 1990-09-11 |
AU7416887A (en) | 1987-12-17 |
CA1295214C (en) | 1992-02-04 |
EP0249206A2 (de) | 1987-12-16 |
JPS62294184A (ja) | 1987-12-21 |
JPS6341985B2 (de) | 1988-08-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE DE FR IT NL SE |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE DE FR IT NL SE |
|
17P | Request for examination filed |
Effective date: 19890804 |
|
17Q | First examination report despatched |
Effective date: 19901113 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19930213 |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: SAEKI, KENSHI Inventor name: YOSHITAKE, NORIAKI Inventor name: AOKI, TAKAYUKI |