GB494175A - Improvements in the heat treatment of rail weldings - Google Patents

Improvements in the heat treatment of rail weldings

Info

Publication number
GB494175A
GB494175A GB11565/37A GB1156537A GB494175A GB 494175 A GB494175 A GB 494175A GB 11565/37 A GB11565/37 A GB 11565/37A GB 1156537 A GB1156537 A GB 1156537A GB 494175 A GB494175 A GB 494175A
Authority
GB
United Kingdom
Prior art keywords
rail
container
joint
sections
water
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
Application number
GB11565/37A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MARTIAL JULES BAL
Original Assignee
MARTIAL JULES BAL
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 MARTIAL JULES BAL filed Critical MARTIAL JULES BAL
Publication of GB494175A publication Critical patent/GB494175A/en
Expired legal-status Critical Current

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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/50—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for welded joints
    • C21D9/505—Cooling thereof
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
    • E01B31/02—Working rail or other metal track components on the spot
    • E01B31/18—Reconditioning or repairing worn or damaged parts on the spot, e.g. applying inlays, building-up rails by welding; Heating or cooling of parts on the spot, e.g. for reducing joint gaps, for hardening 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)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

494,175. Heat-treating rails. BAL, M. J. April 22, 1937, No. 11565. Convention date, April 22,1936. [Class 72] In the heat-treatment of a rail weld, the joint and regions on either side of the weld are annealed and then cooled by sprinkling with cooling fluid adjacent sections of these regions separately and successively from the outermost coldest sections towards, and including, the joint, the fluid being applied when the respective sections reach the optimum temperature for hardening or cooling. The sections symmetrically disposed about the joint are treated simultaneously. A container is provided with compartments 1, 2, 3, 4, 5 each having a filling opening 9, the container being turned upside down for filling, and a perforated bottom. The end plates 6, 7 of the container are saddled above the rail and the upper part of each compartment is provided with a tube 10 having a valve 11 which can be opened or closed so as to cause water to flow through the perforated bottom of the compartment or the flow of water to stop. Tubes 10 from symmetrical compartments may be connected so that one valve 11 is used for both such tubes. A flexible sheet 12 fixed to a bar 13 extending between the plates 6, 7 is placed so that its free end is pressed elastically on to the rail head, so as to discharge the water laterally away from the base of the rail.
GB11565/37A 1936-04-22 1937-04-22 Improvements in the heat treatment of rail weldings Expired GB494175A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR494175X 1936-04-22

Publications (1)

Publication Number Publication Date
GB494175A true GB494175A (en) 1938-10-21

Family

ID=8904680

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11565/37A Expired GB494175A (en) 1936-04-22 1937-04-22 Improvements in the heat treatment of rail weldings

Country Status (1)

Country Link
GB (1) GB494175A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996029469A1 (en) * 1995-03-20 1996-09-26 British Steel Plc Improvements in and relating to steel rails and methods of producing the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996029469A1 (en) * 1995-03-20 1996-09-26 British Steel Plc Improvements in and relating to steel rails and methods of producing the same

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