FR701882A - Process for improving springs by cold treatment - Google Patents
Process for improving springs by cold treatmentInfo
- Publication number
- FR701882A FR701882A FR701882DA FR701882A FR 701882 A FR701882 A FR 701882A FR 701882D A FR701882D A FR 701882DA FR 701882 A FR701882 A FR 701882A
- Authority
- FR
- France
- Prior art keywords
- springs
- improving
- cold treatment
- cold
- treatment
- 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
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
- C21D7/04—Modifying the physical properties of iron or steel by deformation by cold working of the surface
- C21D7/06—Modifying the physical properties of iron or steel by deformation by cold working of the surface by shot-peening or the like
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE701882X | 1929-10-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR701882A true FR701882A (en) | 1931-03-24 |
Family
ID=6611784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR701882D Expired FR701882A (en) | 1929-10-16 | 1930-09-11 | Process for improving springs by cold treatment |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR701882A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2514784A1 (en) * | 1981-10-21 | 1983-04-22 | Nisshin Steel Co Ltd | PROCESS FOR THE PREPARATION OF AUSTENITIC STAINLESS STEEL STRIPS OR BANDS HAVING HIGH FATIGUE RESISTANCE AND SHEETS PREPARED THEREBY |
-
1930
- 1930-09-11 FR FR701882D patent/FR701882A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2514784A1 (en) * | 1981-10-21 | 1983-04-22 | Nisshin Steel Co Ltd | PROCESS FOR THE PREPARATION OF AUSTENITIC STAINLESS STEEL STRIPS OR BANDS HAVING HIGH FATIGUE RESISTANCE AND SHEETS PREPARED THEREBY |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR702234A (en) | Process for the treatment of animal skins | |
| FR823231A (en) | Hydrocarbon treatment process | |
| FR795772A (en) | Hydrocarbon treatment process | |
| FR699305A (en) | Gasoline treatment process | |
| FR680194A (en) | Process for treating metals | |
| FR682979A (en) | Hydrocarbon treatment process | |
| FR704333A (en) | Process for treating oils with phenol | |
| FR673219A (en) | Hydrocarbon cracking process | |
| FR673224A (en) | Hydrocarbon cracking process | |
| FR821688A (en) | Hydrocarbon treatment process | |
| FR690028A (en) | Combined process for obtaining higher hydrocarbons | |
| FR690767A (en) | Process for preparing 1: 1: 2: trichloroethane | |
| FR790787A (en) | Hydrocarbon treatment process | |
| FR683156A (en) | Advanced process for treating sodium chloride | |
| FR733134A (en) | Hydrocarbon pyrogenic treatment process | |
| FR647721A (en) | Hydrocarbon treatment process | |
| FR660825A (en) | Hydrocarbon treatment process | |
| FR697817A (en) | Oil cracking process | |
| FR704967A (en) | Process for treating ores by skimming | |
| FR663949A (en) | Hydrocarbon cracking process | |
| FR690263A (en) | Process for cooling substances | |
| FR706577A (en) | Cracking process | |
| FR689551A (en) | Cracking process | |
| FR700866A (en) | Process for marbling surfaces | |
| FR694350A (en) | Hydrocarbon condensation process |