DE2214974C3 - Verfahren zur Spritzreinigung von Metalloberflächen vor der Phosphatierung - Google Patents
Verfahren zur Spritzreinigung von Metalloberflächen vor der PhosphatierungInfo
- Publication number
- DE2214974C3 DE2214974C3 DE19722214974 DE2214974A DE2214974C3 DE 2214974 C3 DE2214974 C3 DE 2214974C3 DE 19722214974 DE19722214974 DE 19722214974 DE 2214974 A DE2214974 A DE 2214974A DE 2214974 C3 DE2214974 C3 DE 2214974C3
- Authority
- DE
- Germany
- Prior art keywords
- bath
- phosphating
- rinsing
- spray
- baths
- 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.)
- Expired
Links
- 239000007921 spray Substances 0.000 title claims description 30
- 238000000034 method Methods 0.000 title claims description 24
- 238000004140 cleaning Methods 0.000 title claims description 23
- 229910052751 metal Inorganic materials 0.000 title claims description 20
- 239000002184 metal Substances 0.000 title claims description 20
- 239000000080 wetting agent Substances 0.000 claims description 22
- 229910019142 PO4 Inorganic materials 0.000 claims description 17
- 239000000243 solution Substances 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 15
- 239000010452 phosphate Substances 0.000 claims description 15
- 230000015572 biosynthetic process Effects 0.000 claims description 10
- 239000003599 detergent Substances 0.000 claims description 10
- 239000013505 freshwater Substances 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 4
- 239000008237 rinsing water Substances 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims 1
- 239000002689 soil Substances 0.000 claims 1
- 235000021317 phosphate Nutrition 0.000 description 16
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 description 6
- 229910000165 zinc phosphate Inorganic materials 0.000 description 6
- 238000000576 coating method Methods 0.000 description 5
- 238000009736 wetting Methods 0.000 description 5
- 230000002378 acidificating effect Effects 0.000 description 4
- 239000012141 concentrate Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 229910000318 alkali metal phosphate Inorganic materials 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005238 degreasing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005187 foaming Methods 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- JUWGUJSXVOBPHP-UHFFFAOYSA-B titanium(4+);tetraphosphate Chemical compound [Ti+4].[Ti+4].[Ti+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O JUWGUJSXVOBPHP-UHFFFAOYSA-B 0.000 description 3
- 229910001335 Galvanized steel Inorganic materials 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 125000002877 alkyl aryl group Chemical group 0.000 description 2
- IQBJFLXHQFMQRP-UHFFFAOYSA-K calcium;zinc;phosphate Chemical class [Ca+2].[Zn+2].[O-]P([O-])([O-])=O IQBJFLXHQFMQRP-UHFFFAOYSA-K 0.000 description 2
- 239000003518 caustics Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 150000004673 fluoride salts Chemical class 0.000 description 2
- 239000008397 galvanized steel Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 235000014593 oils and fats Nutrition 0.000 description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 2
- 238000005554 pickling Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- AEQDJSLRWYMAQI-UHFFFAOYSA-N 2,3,9,10-tetramethoxy-6,8,13,13a-tetrahydro-5H-isoquinolino[2,1-b]isoquinoline Chemical compound C1CN2CC(C(=C(OC)C=C3)OC)=C3CC2C2=C1C=C(OC)C(OC)=C2 AEQDJSLRWYMAQI-UHFFFAOYSA-N 0.000 description 1
- GVNVAWHJIKLAGL-UHFFFAOYSA-N 2-(cyclohexen-1-yl)cyclohexan-1-one Chemical compound O=C1CCCCC1C1=CCCCC1 GVNVAWHJIKLAGL-UHFFFAOYSA-N 0.000 description 1
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical class [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 description 1
- 101150065749 Churc1 gene Proteins 0.000 description 1
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229920000388 Polyphosphate Polymers 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- 102100038239 Protein Churchill Human genes 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- -1 alkali metal borates Chemical class 0.000 description 1
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 1
- 150000008041 alkali metal carbonates Chemical class 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 229910052910 alkali metal silicate Inorganic materials 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 150000001642 boronic acid derivatives Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 235000011180 diphosphates Nutrition 0.000 description 1
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 1
- 229910000397 disodium phosphate Inorganic materials 0.000 description 1
- 235000019800 disodium phosphate Nutrition 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 150000001261 hydroxy acids Chemical class 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 229910001463 metal phosphate Inorganic materials 0.000 description 1
- 150000002815 nickel Chemical class 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 1
- 150000002826 nitrites Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 125000000864 peroxy group Chemical group O(O*)* 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000012487 rinsing solution Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000176 sodium gluconate Substances 0.000 description 1
- 229940005574 sodium gluconate Drugs 0.000 description 1
- 235000012207 sodium gluconate Nutrition 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 235000019794 sodium silicate Nutrition 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- HRXKRNGNAMMEHJ-UHFFFAOYSA-K trisodium citrate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O HRXKRNGNAMMEHJ-UHFFFAOYSA-K 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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
- C23C22/73—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 characterised by the process
-
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Treatment Of Metals (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722214974 DE2214974C3 (de) | 1972-03-28 | 1972-03-28 | Verfahren zur Spritzreinigung von Metalloberflächen vor der Phosphatierung |
| AT142473A AT324801B (de) | 1972-03-28 | 1973-02-19 | Verfahren zur spritzreinigung von metalloberflächen vor der phosphatierung |
| NL7303860A NL7303860A (OSRAM) | 1972-03-28 | 1973-03-20 | |
| FR7310368A FR2177874A1 (en) | 1972-03-28 | 1973-03-22 | Cleaning metal surfaces - before phosphating, in cascade system giving uniform phosphating and reducing water requirements |
| BR219873A BR7302198D0 (pt) | 1972-03-28 | 1973-03-27 | Processo para a limpeza a jato de superficies metalicas anprocesso para a limpeza a jato de superficies metalicas antes da fosfatizacao tes da fosfatizacao |
| IT2220573A IT981658B (it) | 1972-03-28 | 1973-03-27 | Procedimento per lo sgrassaggio a spruzzo di superfici metalli che prima della fosfatazione |
| BE129390A BE797470A (fr) | 1972-03-28 | 1973-03-28 | Procede de nettoyage par pulverisation des surfaces metalliques avant la phosphatation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722214974 DE2214974C3 (de) | 1972-03-28 | 1972-03-28 | Verfahren zur Spritzreinigung von Metalloberflächen vor der Phosphatierung |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2214974A1 DE2214974A1 (de) | 1973-10-11 |
| DE2214974B2 DE2214974B2 (de) | 1978-09-07 |
| DE2214974C3 true DE2214974C3 (de) | 1979-05-03 |
Family
ID=5840351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722214974 Expired DE2214974C3 (de) | 1972-03-28 | 1972-03-28 | Verfahren zur Spritzreinigung von Metalloberflächen vor der Phosphatierung |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT324801B (OSRAM) |
| BE (1) | BE797470A (OSRAM) |
| BR (1) | BR7302198D0 (OSRAM) |
| DE (1) | DE2214974C3 (OSRAM) |
| FR (1) | FR2177874A1 (OSRAM) |
| IT (1) | IT981658B (OSRAM) |
| NL (1) | NL7303860A (OSRAM) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HU171590B (hu) * | 1975-05-08 | 1978-02-28 | Hajtomuevek Es Festoberendeze | Ustrojstvo dlja predvaritel'noj obezzhirivajuhhej obrabotki |
| DE2527853B2 (de) * | 1975-06-23 | 1981-04-09 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zur Verbesserung des Wasserhaushalts bei der Phosphatierung von Metallen |
| DE2722211C2 (de) * | 1977-05-17 | 1982-10-28 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren und Vorrichtung zur Beseitigung von Lacken und/oder anderen Auftragsmitteln auf Werkstücken |
| DE3172845D1 (en) * | 1980-11-19 | 1985-12-12 | Du Pont | Aqueous cleaning emulsion |
| US4877544A (en) * | 1987-04-17 | 1989-10-31 | Lever Brothers Company | Oxidation stable surfactants |
| DE4024085A1 (de) * | 1990-07-28 | 1992-02-06 | Daimler Benz Ag | Verfahren zum reinigen und phosphatieren von metallischen werkstuecken, insbesondere von kraftfahrzeugkarosserien, vor deren lackierung |
| FR2681333A1 (fr) * | 1991-09-13 | 1993-03-19 | Bokan Gabriel | Phosphatation fer par aspersion des metaux. |
| DE4418277A1 (de) * | 1994-05-26 | 1995-11-30 | Atotech Deutschland Gmbh | Verfahren zum Reinigen mit anschließendem Spülen in Anlagen zur Oberflächenbehandlung |
| ITVR20120134A1 (it) * | 2012-07-03 | 2014-01-04 | Gianfranco Natali | Metodo per la preparazione alla verniciatura di telai metallici di cassoni di veicoli e di telai metallici di veicoli, costituiti da una pluralità di parti connesse reciprocamente |
| EP2968092B1 (en) * | 2013-03-15 | 2020-05-27 | Croda, Inc. | Alkoxylated fatty alcohol alkyl ethers and products containing same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1386240A (fr) * | 1962-08-01 | 1965-01-22 | Parker Ste Continentale | Procédé perfectionné d'obtention de revêtements phosphatés sur les métaux |
-
1972
- 1972-03-28 DE DE19722214974 patent/DE2214974C3/de not_active Expired
-
1973
- 1973-02-19 AT AT142473A patent/AT324801B/de not_active IP Right Cessation
- 1973-03-20 NL NL7303860A patent/NL7303860A/xx not_active Application Discontinuation
- 1973-03-22 FR FR7310368A patent/FR2177874A1/fr active Granted
- 1973-03-27 BR BR219873A patent/BR7302198D0/pt unknown
- 1973-03-27 IT IT2220573A patent/IT981658B/it active
- 1973-03-28 BE BE129390A patent/BE797470A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE797470A (fr) | 1973-07-16 |
| DE2214974A1 (de) | 1973-10-11 |
| FR2177874B1 (OSRAM) | 1976-09-10 |
| AT324801B (de) | 1975-09-25 |
| IT981658B (it) | 1974-10-10 |
| FR2177874A1 (en) | 1973-11-09 |
| NL7303860A (OSRAM) | 1973-10-02 |
| BR7302198D0 (pt) | 1974-06-27 |
| DE2214974B2 (de) | 1978-09-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2054067C3 (de) | Mittel zum Reinigen von Aluminiumoberflächen, zum Desoxydieren, Reinigen und Einebnen bzw. zur Glanzgebung von Oberflächen aus rostfreiem Stahl und zum Bilden eines Eisenphosphatüberzugs auf eisenhaltigen Oberflächen | |
| DE2528602B2 (de) | Verfahren zur Entfernung einer Öl-in-Wasser-Emulsion von der Oberfläche eines hiermit beschichteten Gegenstandes | |
| DE2214974C3 (de) | Verfahren zur Spritzreinigung von Metalloberflächen vor der Phosphatierung | |
| EP0031103B1 (de) | Verfahren zur Vorbehandlung von Metalloberflächen vor dem Phosphatieren | |
| DE2758629A1 (de) | Verfahren zur reinigung von metalloberflaechen | |
| DE2538347A1 (de) | Zinkphosphatloesungen zur ausbildung von zinkphosphatschichten auf metallen | |
| CH620248A5 (en) | Method for the more economical use of water in phosphating metals | |
| DE698197C (de) | ren Legierungen | |
| DE2819912A1 (de) | Verfahren zur phosphatierung von eisen | |
| DE3213649A1 (de) | Verfahren zum reinigen und entfetten sowie aktivieren von metalloberflaechen | |
| DE3600415C2 (OSRAM) | ||
| DE1091401B (de) | Verfahren zur Aktivierung von Phosphatueberzuegen | |
| EP0230903B1 (de) | Verfahren zur Reinigung von Aluminiumbehältern | |
| EP0101126B1 (de) | Verfahren zur Behandlung abgearbeiteter Beizpasten | |
| EP3794167B1 (de) | Fördergestellreinigung in einer prozessfolge zur elektrotauchlackierung | |
| EP0264151A1 (de) | Verfahren zur Erzeugung von Phosphatüberzügen | |
| DE2041871C3 (de) | Verfahren zur Vorbehandlung von Rost aufweisenden, eisenhaltigen Oberflächen für die elektrophoretische Lackierung | |
| DE3217145A1 (de) | Verfahren zum reinigen, entfetten sowie aktivieren von metalloberflaechen | |
| DE3541997A1 (de) | Verbessertes verfahren zur aktivierung von metalloberflaechen vor einer zinkphosphatierung | |
| DE1145892B (de) | Verfahren zum Reinigen von Metalloberflaechen und Emulsionsreiniger zu dessen Durchfuehrung | |
| EP0017302B1 (de) | Spülverfahren bei der Aufbringung von Phosphatüberzügen auf Metallen | |
| DE1170220B (de) | Verfahren zum Reinigen von Metalloberflaechen | |
| DE2627837A1 (de) | Elektro-reinigungsverfahren | |
| DE2452159C3 (de) | Verfahren zum Reinigen und Phosphatieren von Metalloberflächen | |
| DE1185780B (de) | Verfahren zum Polieren von Gegenstaenden aus Kristall- oder Bleikristallglas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |