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FR2123862A5 - Aluminothermic welding - of railway rails - Google Patents

Aluminothermic welding - of railway rails

Info

Publication number
FR2123862A5
FR2123862A5 FR7103611A FR7103611A FR2123862A5 FR 2123862 A5 FR2123862 A5 FR 2123862A5 FR 7103611 A FR7103611 A FR 7103611A FR 7103611 A FR7103611 A FR 7103611A FR 2123862 A5 FR2123862 A5 FR 2123862A5
Authority
FR
France
Prior art keywords
aluminothermic welding
railway rails
weld
region
aluminothermic
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
FR7103611A
Other languages
French (fr)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7103611A priority Critical patent/FR2123862A5/en
Application granted granted Critical
Publication of FR2123862A5 publication Critical patent/FR2123862A5/en
Expired legal-status Critical Current

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
    • E01B11/00—Rail joints
    • E01B11/44—Non-dismountable rail joints; Welded joints
    • E01B11/52—Joints made by alumino-thermal welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K23/00—Alumino-thermic welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/26—Railway- or like rails

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Heat Treatment Of Articles (AREA)
  • Arc Welding In General (AREA)

Abstract

Aluminothermic welding of treated rails is effected without pre-heating in a region with its width reduced to the minimum compatible with obtaining a weld by cooling regions close to the weld zone. Reduces tendency to softening in the weld region.
FR7103611A 1971-02-03 1971-02-03 Aluminothermic welding - of railway rails Expired FR2123862A5 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7103611A FR2123862A5 (en) 1971-02-03 1971-02-03 Aluminothermic welding - of railway rails

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7103611A FR2123862A5 (en) 1971-02-03 1971-02-03 Aluminothermic welding - of railway rails

Publications (1)

Publication Number Publication Date
FR2123862A5 true FR2123862A5 (en) 1972-09-15

Family

ID=9071331

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7103611A Expired FR2123862A5 (en) 1971-02-03 1971-02-03 Aluminothermic welding - of railway rails

Country Status (1)

Country Link
FR (1) FR2123862A5 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0303037A1 (en) * 1987-08-04 1989-02-15 DANIELI & C. OFFICINE MECCANICHE S.p.A. System to feed and discharge materials continuously in operations to rehabilitate railway road beds and the like
EP0444480A1 (en) * 1990-02-27 1991-09-04 Elektro-Thermit GmbH Process for the intermediate cast welding of isothermal annealed rails

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0303037A1 (en) * 1987-08-04 1989-02-15 DANIELI & C. OFFICINE MECCANICHE S.p.A. System to feed and discharge materials continuously in operations to rehabilitate railway road beds and the like
EP0444480A1 (en) * 1990-02-27 1991-09-04 Elektro-Thermit GmbH Process for the intermediate cast welding of isothermal annealed rails

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Legal Events

Date Code Title Description
ST Notification of lapse