DE3465207D1 - Additive for maintaining the working order of molten-salt baths for the treatment of metal pieces - Google Patents
Additive for maintaining the working order of molten-salt baths for the treatment of metal piecesInfo
- Publication number
- DE3465207D1 DE3465207D1 DE8484402401T DE3465207T DE3465207D1 DE 3465207 D1 DE3465207 D1 DE 3465207D1 DE 8484402401 T DE8484402401 T DE 8484402401T DE 3465207 T DE3465207 T DE 3465207T DE 3465207 D1 DE3465207 D1 DE 3465207D1
- Authority
- DE
- Germany
- Prior art keywords
- molten
- additive
- maintaining
- treatment
- metal pieces
- 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
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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/40—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using liquids, e.g. salt baths, liquid suspensions
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cosmetics (AREA)
- Glanulating (AREA)
- Detergent Compositions (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Seasonings (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8319781A FR2556367B1 (fr) | 1983-12-09 | 1983-12-09 | Charge d'apport destinee a assurer la maintenance de bains de sels fondus pour le traitement de pieces metalliques |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3465207D1 true DE3465207D1 (en) | 1987-09-10 |
Family
ID=9295052
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8484402401T Expired DE3465207D1 (en) | 1983-12-09 | 1984-11-26 | Additive for maintaining the working order of molten-salt baths for the treatment of metal pieces |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0145576B1 (fr) |
JP (1) | JPS60141864A (fr) |
BR (1) | BR8406275A (fr) |
DE (1) | DE3465207D1 (fr) |
ES (1) | ES8702499A1 (fr) |
FR (1) | FR2556367B1 (fr) |
IN (1) | IN161219B (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4030279C1 (en) * | 1990-09-25 | 1992-06-04 | Goetz Dipl.-Chem. Dr. 5400 Koblenz De Baum | Regenerating molten alkali metal cyanate - by continuous addn. of urea] or polymer or condensate that generates urea, feeding additive into containers in continuous conveyor |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1012625B (de) * | 1955-06-10 | 1957-07-25 | Houghton Chemie G M B H | Verfahren zur Erzielung zeitweiliger Aufkohlungswirkung bei der Waermebehandlung vonStahl in cyanidfreien Salzschmelzen |
FR2214760A2 (en) * | 1973-01-23 | 1974-08-19 | Ctre Rech Meca Hydromeca | Surface treating ferrous metals - with molten salt bath contg carbonate, cyanate, lithium, potassium, and sodium ions |
AR204533A1 (es) * | 1973-06-20 | 1976-02-12 | Stephanois Rech Mec | Procedimiento de regeneracion de un bano de sales fundidas que contiene cianatos y carbonatos |
FR2271307A1 (en) * | 1974-05-17 | 1975-12-12 | Stephanois Rech Meca Hyd Centr | Stabilising fused cyanate heat treatment baths - by introducing sulphur and carbonyl cpds. to reduce cyanide formation |
DE2521550A1 (de) * | 1975-05-15 | 1976-12-02 | Daimler Benz Ag | Mittel zum regenerieren von nitrierbaedern |
DE2542519A1 (de) * | 1975-09-24 | 1977-04-14 | Daimler Benz Ag | Regenerierungsmittel fuer salzschmelzen auf cyanatbasis |
JPS5931861A (ja) * | 1982-08-16 | 1984-02-21 | Mitsui Toatsu Chem Inc | 金属材料の窒化用塩浴の再生剤 |
-
1983
- 1983-12-09 FR FR8319781A patent/FR2556367B1/fr not_active Expired
-
1984
- 1984-08-16 IN IN663/DEL/84A patent/IN161219B/en unknown
- 1984-11-26 DE DE8484402401T patent/DE3465207D1/de not_active Expired
- 1984-11-26 EP EP19840402401 patent/EP0145576B1/fr not_active Expired
- 1984-12-07 ES ES538372A patent/ES8702499A1/es not_active Expired
- 1984-12-07 BR BR8406275A patent/BR8406275A/pt not_active IP Right Cessation
- 1984-12-07 JP JP25904784A patent/JPS60141864A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6354067B2 (fr) | 1988-10-26 |
FR2556367A1 (fr) | 1985-06-14 |
ES8702499A1 (es) | 1987-01-01 |
ES538372A0 (es) | 1987-01-01 |
BR8406275A (pt) | 1985-10-01 |
JPS60141864A (ja) | 1985-07-26 |
FR2556367B1 (fr) | 1986-09-19 |
IN161219B (fr) | 1987-10-17 |
EP0145576B1 (fr) | 1987-08-05 |
EP0145576A2 (fr) | 1985-06-19 |
EP0145576A3 (en) | 1985-07-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB8432660D0 (en) | Electrolytic treatment metal | |
GB8320883D0 (en) | Treatment of ferrous metal surfaces | |
GB8303673D0 (en) | Heat treatment of workpieces | |
ZW19384A1 (en) | Reduction of metal compounds | |
GB2135032B (en) | Heat treatment of workpieces | |
GB8321253D0 (en) | Surface treatment of metal | |
IL73862A (en) | Pre-hip treatment of superalloy castings | |
GB2140036B (en) | Device for the electrolytic treatment of metal strip | |
GB2140037B (en) | Device for the electrolytic treatment of metal strip | |
GB2138723B (en) | Burnishing toothed workpieces | |
DE3465207D1 (en) | Additive for maintaining the working order of molten-salt baths for the treatment of metal pieces | |
DE3170216D1 (en) | Method for the treatment of metal surfaces | |
GB1546020A (en) | Electrolytic treatment of workpieces | |
ZA84520B (en) | Process for hardening metal parts | |
DE3464261D1 (en) | Process for the corrosion protection of metals | |
GB8428261D0 (en) | Treatment of work pieces | |
GB8421938D0 (en) | Heat treatment of metal objects | |
PH21467A (en) | Treatment of metal with derivative of polyalkenylphenol | |
GB2143852B (en) | Treatment of metal strip | |
GB2140826B (en) | Metal treatment process | |
GR81024B (en) | Process for removing the gang of metall parts | |
DE3460363D1 (en) | Residue treatment | |
GB8331463D0 (en) | Composition for treatment of baths | |
GB8317176D0 (en) | Treatment agents for molten metal | |
GB8314299D0 (en) | Metal treatment process |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |