AT375402B - METHOD FOR HEAT-TREATING RAILS - Google Patents

METHOD FOR HEAT-TREATING RAILS

Info

Publication number
AT375402B
AT375402B AT0093182A AT93182A AT375402B AT 375402 B AT375402 B AT 375402B AT 0093182 A AT0093182 A AT 0093182A AT 93182 A AT93182 A AT 93182A AT 375402 B AT375402 B AT 375402B
Authority
AT
Austria
Prior art keywords
heat
treating rails
rails
treating
Prior art date
Application number
AT0093182A
Other languages
German (de)
Other versions
ATA93182A (en
Inventor
Alfred Dr Moser
Peter Dipl Ing Pointner
Georg Dipl Ing Prskawetz
Original Assignee
Voest Alpine Ag
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=3503141&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AT375402(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Voest Alpine Ag filed Critical Voest Alpine Ag
Priority to AT0093182A priority Critical patent/AT375402B/en
Priority to DE8383890026T priority patent/DE3370972D1/en
Priority to EP19830890026 priority patent/EP0088746B1/en
Priority to CA000423018A priority patent/CA1205729A/en
Priority to JP3889983A priority patent/JPS58221229A/en
Publication of ATA93182A publication Critical patent/ATA93182A/en
Application granted granted Critical
Publication of AT375402B publication Critical patent/AT375402B/en

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
    • C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/60—Aqueous agents
    • 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
    • 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
    • C21D1/63—Quenching devices for bath quenching

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)
AT0093182A 1982-03-09 1982-03-09 METHOD FOR HEAT-TREATING RAILS AT375402B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AT0093182A AT375402B (en) 1982-03-09 1982-03-09 METHOD FOR HEAT-TREATING RAILS
DE8383890026T DE3370972D1 (en) 1982-03-09 1983-02-22 Method of heat treating rails
EP19830890026 EP0088746B1 (en) 1982-03-09 1983-02-22 Method of heat treating rails
CA000423018A CA1205729A (en) 1982-03-09 1983-03-07 Process for heat-treating rails
JP3889983A JPS58221229A (en) 1982-03-09 1983-03-09 Rail heat treatment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0093182A AT375402B (en) 1982-03-09 1982-03-09 METHOD FOR HEAT-TREATING RAILS

Publications (2)

Publication Number Publication Date
ATA93182A ATA93182A (en) 1983-12-15
AT375402B true AT375402B (en) 1984-08-10

Family

ID=3503141

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0093182A AT375402B (en) 1982-03-09 1982-03-09 METHOD FOR HEAT-TREATING RAILS

Country Status (5)

Country Link
EP (1) EP0088746B1 (en)
JP (1) JPS58221229A (en)
AT (1) AT375402B (en)
CA (1) CA1205729A (en)
DE (1) DE3370972D1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4003363C1 (en) * 1990-02-05 1991-03-28 Voest-Alpine Industrieanlagenbau Ges.M.B.H., Linz, At Hardening rails from rolling temp. - using appts. with manipulator engaging rail from exit roller table with support arms positioned pivotably on each side
EP0507762A3 (en) * 1991-04-05 1993-09-15 Voest-Alpine Eisenbahnsysteme Gesellschaft M.B.H. Process for making a frog

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62161917A (en) * 1986-01-09 1987-07-17 Nippon Steel Corp Manufacture of head end-heattreated rail excellent in resistance to damage and wear
JPS63203724A (en) * 1987-02-19 1988-08-23 Nkk Corp Hardening method for rails
AT399346B (en) 1992-07-15 1995-04-25 Voest Alpine Schienen Gmbh METHOD FOR TREATING RAILS
BR9406250A (en) * 1993-12-20 1996-01-02 Nippon Steel Corp Perlitic steel rails with high wear resistance and toughness and their manufacturing methods
DE19621017C1 (en) * 1996-05-24 1998-01-08 Butzbacher Weichenbau Gmbh Process for the production of a track superstructure and track superstructure
AT409268B (en) * 2000-05-29 2002-07-25 Voest Alpine Schienen Gmbh & C METHOD AND DEVICE FOR HARDENING RAILS

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1242660B (en) * 1963-06-29 1967-06-22 Union Carbide Corp Quenching medium for quenching heat-treated metal
DE2411827A1 (en) * 1974-03-12 1975-09-25 Fleischer Quenching fluids for hardening metals - contg polyalkylene glycols esp polyethylene glycols and homologues or ethylene oxide and propylene oxide copolymers

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1802273A1 (en) * 1968-01-18 1969-08-07 Zentralinstitut Fuer Fertigung Quenching means for austenitic steels
DE2439338C2 (en) * 1974-08-16 1980-08-28 Fried. Krupp, Huettenwerke Ag, 4630 Bochum Process for the heat treatment of rails from the rolling heat
US4087290A (en) * 1975-07-03 1978-05-02 E. F. Houghton & Co. Process for the controlled cooling of ferrous metal
BE854834A (en) * 1977-05-18 1977-09-16 Centre Rech Metallurgique PROCESS FOR MANUFACTURING RAILS WITH IMPROVED CHARACTERISTICS

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1242660B (en) * 1963-06-29 1967-06-22 Union Carbide Corp Quenching medium for quenching heat-treated metal
DE2411827A1 (en) * 1974-03-12 1975-09-25 Fleischer Quenching fluids for hardening metals - contg polyalkylene glycols esp polyethylene glycols and homologues or ethylene oxide and propylene oxide copolymers

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4003363C1 (en) * 1990-02-05 1991-03-28 Voest-Alpine Industrieanlagenbau Ges.M.B.H., Linz, At Hardening rails from rolling temp. - using appts. with manipulator engaging rail from exit roller table with support arms positioned pivotably on each side
EP0441766A1 (en) * 1990-02-05 1991-08-14 VOEST-ALPINE Industrieanlagenbau GmbH Apparatus for hardening rails
US5054746A (en) * 1990-02-05 1991-10-08 Voest-Alpine Industrieanlagenbau Gesellschaft M.B.H. Apparatus for hardening rails
EP0507762A3 (en) * 1991-04-05 1993-09-15 Voest-Alpine Eisenbahnsysteme Gesellschaft M.B.H. Process for making a frog

Also Published As

Publication number Publication date
DE3370972D1 (en) 1987-05-21
ATA93182A (en) 1983-12-15
CA1205729A (en) 1986-06-10
EP0088746B1 (en) 1987-04-15
EP0088746A1 (en) 1983-09-14
JPS58221229A (en) 1983-12-22

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Legal Events

Date Code Title Description
EIH Change in the person of patent owner
UEP Publication of translation of european patent specification
EEIH Change in the person of patent owner
RZN Patent revoked
ELA Expired due to lapse of time