DE2426580A1 - - Google Patents
Info
- Publication number
- DE2426580A1 DE2426580A1 DE19742426580 DE2426580A DE2426580A1 DE 2426580 A1 DE2426580 A1 DE 2426580A1 DE 19742426580 DE19742426580 DE 19742426580 DE 2426580 A DE2426580 A DE 2426580A DE 2426580 A1 DE2426580 A1 DE 2426580A1
- Authority
- DE
- Germany
- 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.)
- Granted
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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/667—Quenching devices for spray quenching
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742426580 DE2426580C2 (de) | 1974-05-31 | Verfahren und Vorrichtung zum Oberflächenhärten der inneren Oberfläche von Rohrbögen | |
US05/581,746 US4030711A (en) | 1974-05-31 | 1975-05-29 | Method and apparatus for the surface hardening of the inner surface of tube bends |
BE156881A BE829706A (fr) | 1974-05-31 | 1975-05-30 | Procede et appareil pour la trempe superficielle de la surface inerieure p 24 26 580.3 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742426580 DE2426580C2 (de) | 1974-05-31 | Verfahren und Vorrichtung zum Oberflächenhärten der inneren Oberfläche von Rohrbögen |
Publications (3)
Publication Number | Publication Date |
---|---|
DE2426580A1 true DE2426580A1 (ro) | 1975-10-30 |
DE2426580B1 DE2426580B1 (de) | 1975-10-30 |
DE2426580C2 DE2426580C2 (de) | 1976-08-12 |
Family
ID=
Also Published As
Publication number | Publication date |
---|---|
BE829706A (fr) | 1975-09-15 |
DE2426580B1 (de) | 1975-10-30 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
E77 | Valid patent as to the heymanns-index 1977 | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: SILLER, VINZENZ, 2000 HAMBURG, DE |
|
8339 | Ceased/non-payment of the annual fee |