FR2324743A1 - Procede de traitement thermique de pieces d'aiguillages - Google Patents
Procede de traitement thermique de pieces d'aiguillagesInfo
- Publication number
- FR2324743A1 FR2324743A1 FR7628144A FR7628144A FR2324743A1 FR 2324743 A1 FR2324743 A1 FR 2324743A1 FR 7628144 A FR7628144 A FR 7628144A FR 7628144 A FR7628144 A FR 7628144A FR 2324743 A1 FR2324743 A1 FR 2324743A1
- Authority
- FR
- France
- Prior art keywords
- thermal treatment
- needle parts
- needle
- parts
- thermal
- 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- Withdrawn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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B7/00—Switches; Crossings
- E01B7/10—Frogs
- E01B7/12—Fixed frogs made of one part or composite
-
- 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
- C21D9/04—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rails
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2541978A DE2541978C3 (de) | 1975-09-20 | 1975-09-20 | Verfahren zur Wärmebehandlung von Weichenteilen im Durchlaufverfahren |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2324743A1 true FR2324743A1 (fr) | 1977-04-15 |
Family
ID=5956971
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7628144A Withdrawn FR2324743A1 (fr) | 1975-09-20 | 1976-09-20 | Procede de traitement thermique de pieces d'aiguillages |
Country Status (15)
Country | Link |
---|---|
AT (1) | AT386841B (de) |
BE (1) | BE846377A (de) |
BG (1) | BG39807A3 (de) |
CH (1) | CH621364A5 (de) |
DD (1) | DD126536A5 (de) |
DE (1) | DE2541978C3 (de) |
FI (1) | FI762667A (de) |
FR (1) | FR2324743A1 (de) |
GB (1) | GB1510608A (de) |
IT (1) | IT1068280B (de) |
LU (1) | LU75832A1 (de) |
NL (1) | NL7609909A (de) |
RO (1) | RO72116A (de) |
YU (1) | YU37191B (de) |
ZA (1) | ZA765542B (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2940826C2 (de) * | 1979-10-09 | 1987-03-26 | Fa. Paul Ferd. Peddinghaus, 5820 Gevelsberg | Verfahren zur Tiefenhärtung von Werkstücken sowie Vorrichtung zur Durchführung dieses Verfahrens |
DE3446794C1 (de) * | 1984-12-21 | 1986-01-02 | BWG Butzbacher Weichenbau GmbH, 6308 Butzbach | Verfahren zur Waermebehandlung perlitischer Schienenstaehle |
AT391707B (de) * | 1985-03-25 | 1990-11-26 | Voest Alpine Ag | Verfahren zum verhindern der eindellung von schienen im uebergangsbereich sowie vorrichtung zur durchfuehrung dieses verfahrens |
AT384624B (de) * | 1986-05-22 | 1987-12-10 | Voest Alpine Ag | Einrichtung zur gesteuerten waermebehandlung von weichenteilen |
AT401359B (de) * | 1991-04-05 | 1996-08-26 | Vae Ag | Verfahren zur herstellung eines herzstückes |
DE4200545A1 (de) * | 1992-01-11 | 1993-07-15 | Butzbacher Weichenbau Gmbh | Gleisteile sowie verfahren zur herstellung dieser |
CN115852118A (zh) * | 2022-12-15 | 2023-03-28 | 攀钢集团攀枝花钢铁研究院有限公司 | 低应力高性能辙叉用钢的生产方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1583991A (de) * | 1967-06-29 | 1969-12-12 | ||
GB1256013A (en) * | 1968-08-13 | 1971-12-08 | Union Carbide Corp | Rail hardening method and apparatus |
-
1975
- 1975-09-20 DE DE2541978A patent/DE2541978C3/de not_active Expired
-
1976
- 1976-09-07 NL NL7609909A patent/NL7609909A/xx not_active Application Discontinuation
- 1976-09-13 AT AT0676276A patent/AT386841B/de not_active IP Right Cessation
- 1976-09-15 YU YU2254/76A patent/YU37191B/xx unknown
- 1976-09-15 ZA ZA765542A patent/ZA765542B/xx unknown
- 1976-09-16 CH CH1176176A patent/CH621364A5/de not_active IP Right Cessation
- 1976-09-17 GB GB38713/76A patent/GB1510608A/en not_active Expired
- 1976-09-17 DD DD194843A patent/DD126536A5/xx unknown
- 1976-09-17 LU LU75832A patent/LU75832A1/xx unknown
- 1976-09-17 BG BG034229A patent/BG39807A3/xx unknown
- 1976-09-17 IT IT27331/76A patent/IT1068280B/it active
- 1976-09-17 FI FI762667A patent/FI762667A/fi not_active Application Discontinuation
- 1976-09-20 RO RO7687589A patent/RO72116A/ro unknown
- 1976-09-20 BE BE170770A patent/BE846377A/xx not_active IP Right Cessation
- 1976-09-20 FR FR7628144A patent/FR2324743A1/fr not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1583991A (de) * | 1967-06-29 | 1969-12-12 | ||
GB1256013A (en) * | 1968-08-13 | 1971-12-08 | Union Carbide Corp | Rail hardening method and apparatus |
Also Published As
Publication number | Publication date |
---|---|
DE2541978B2 (de) | 1977-12-15 |
YU37191B (en) | 1984-08-31 |
NL7609909A (nl) | 1977-03-22 |
DE2541978C3 (de) | 1978-08-24 |
FI762667A (de) | 1977-03-21 |
YU225476A (en) | 1983-04-27 |
ATA676276A (de) | 1980-01-15 |
BG39807A3 (en) | 1986-08-15 |
CH621364A5 (en) | 1981-01-30 |
AT386841B (de) | 1988-10-25 |
DD126536A5 (de) | 1977-07-20 |
LU75832A1 (de) | 1977-05-04 |
ZA765542B (en) | 1977-08-31 |
IT1068280B (it) | 1985-03-21 |
DE2541978A1 (de) | 1977-03-24 |
GB1510608A (en) | 1978-05-10 |
BE846377A (fr) | 1977-01-17 |
RO72116A (ro) | 1981-11-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AR | Application made for restoration | ||
BR | Restoration of rights | ||
ST | Notification of lapse |