NL7609909A - METHOD OF HEAT TREATMENT OF EXCHANGE PARTS. - Google Patents

METHOD OF HEAT TREATMENT OF EXCHANGE PARTS.

Info

Publication number
NL7609909A
NL7609909A NL7609909A NL7609909A NL7609909A NL 7609909 A NL7609909 A NL 7609909A NL 7609909 A NL7609909 A NL 7609909A NL 7609909 A NL7609909 A NL 7609909A NL 7609909 A NL7609909 A NL 7609909A
Authority
NL
Netherlands
Prior art keywords
heat treatment
exchange parts
exchange
parts
treatment
Prior art date
Application number
NL7609909A
Other languages
Dutch (nl)
Original Assignee
Krupp Ag Huettenwerke
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Krupp Ag Huettenwerke filed Critical Krupp Ag Huettenwerke
Publication of NL7609909A publication Critical patent/NL7609909A/en

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
NL7609909A 1975-09-20 1976-09-07 METHOD OF HEAT TREATMENT OF EXCHANGE PARTS. NL7609909A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2541978A DE2541978C3 (en) 1975-09-20 1975-09-20 Process for the heat treatment of switch parts in a continuous process

Publications (1)

Publication Number Publication Date
NL7609909A true NL7609909A (en) 1977-03-22

Family

ID=5956971

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7609909A NL7609909A (en) 1975-09-20 1976-09-07 METHOD OF HEAT TREATMENT OF EXCHANGE PARTS.

Country Status (15)

Country Link
AT (1) AT386841B (en)
BE (1) BE846377A (en)
BG (1) BG39807A3 (en)
CH (1) CH621364A5 (en)
DD (1) DD126536A5 (en)
DE (1) DE2541978C3 (en)
FI (1) FI762667A (en)
FR (1) FR2324743A1 (en)
GB (1) GB1510608A (en)
IT (1) IT1068280B (en)
LU (1) LU75832A1 (en)
NL (1) NL7609909A (en)
RO (1) RO72116A (en)
YU (1) YU37191B (en)
ZA (1) ZA765542B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2940826C2 (en) * 1979-10-09 1987-03-26 Fa. Paul Ferd. Peddinghaus, 5820 Gevelsberg Process for deep hardening of workpieces and device for carrying out this process
DE3446794C1 (en) * 1984-12-21 1986-01-02 BWG Butzbacher Weichenbau GmbH, 6308 Butzbach Process for the heat treatment of pearlitic rail steel
AT391707B (en) * 1985-03-25 1990-11-26 Voest Alpine Ag METHOD FOR PREVENTING ADJUSTMENT OF RAILS IN THE TRANSITIONAL AREA AND DEVICE FOR CARRYING OUT THIS METHOD
AT384624B (en) * 1986-05-22 1987-12-10 Voest Alpine Ag DEVICE FOR CONTROLLED HEAT TREATMENT OF SOFT PARTS
AT401359B (en) * 1991-04-05 1996-08-26 Vae Ag METHOD FOR PRODUCING A HEART PIECE
DE4200545A1 (en) * 1992-01-11 1993-07-15 Butzbacher Weichenbau Gmbh TRACK PARTS AND METHOD FOR THE PRODUCTION THEREOF

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1758517B1 (en) * 1967-06-29 1970-12-10 Inst Cercetari Tehnologice Pen Process for the heat treatment of elongated workpieces with a cross-sectional shape that changes in the longitudinal direction
DE1938290A1 (en) * 1968-08-13 1970-02-19 Union Carbide Corp Method and device for hardening rails

Also Published As

Publication number Publication date
YU37191B (en) 1984-08-31
BG39807A3 (en) 1986-08-15
DE2541978A1 (en) 1977-03-24
IT1068280B (en) 1985-03-21
CH621364A5 (en) 1981-01-30
DE2541978C3 (en) 1978-08-24
GB1510608A (en) 1978-05-10
FR2324743A1 (en) 1977-04-15
ATA676276A (en) 1980-01-15
BE846377A (en) 1977-01-17
DD126536A5 (en) 1977-07-20
ZA765542B (en) 1977-08-31
AT386841B (en) 1988-10-25
YU225476A (en) 1983-04-27
RO72116A (en) 1981-11-04
LU75832A1 (en) 1977-05-04
FI762667A (en) 1977-03-21
DE2541978B2 (en) 1977-12-15

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Legal Events

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