FR681388A - Improvements in the manufacture of railways and tramways - Google Patents

Improvements in the manufacture of railways and tramways

Info

Publication number
FR681388A
FR681388A FR681388DA FR681388A FR 681388 A FR681388 A FR 681388A FR 681388D A FR681388D A FR 681388DA FR 681388 A FR681388 A FR 681388A
Authority
FR
France
Prior art keywords
tramways
railways
manufacture
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
Other languages
French (fr)
Inventor
Christer Peter Sandberg
Oscar Fridolf Alexand Sandberg
Nils Percy Patrick Sandberg
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 filed Critical
Application granted granted Critical
Publication of FR681388A publication Critical patent/FR681388A/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
    • C21D9/04—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rails

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)
FR681388D 1928-09-29 1929-09-05 Improvements in the manufacture of railways and tramways Expired FR681388A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB681388X 1928-09-29

Publications (1)

Publication Number Publication Date
FR681388A true FR681388A (en) 1930-05-14

Family

ID=10492475

Family Applications (1)

Application Number Title Priority Date Filing Date
FR681388D Expired FR681388A (en) 1928-09-29 1929-09-05 Improvements in the manufacture of railways and tramways

Country Status (1)

Country Link
FR (1) FR681388A (en)

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