FR521293A - Improvements to the construction of railway ties - Google Patents

Improvements to the construction of railway ties

Info

Publication number
FR521293A
FR521293A FR521293A FR521293DA FR521293A FR 521293 A FR521293 A FR 521293A FR 521293 A FR521293 A FR 521293A FR 521293D A FR521293D A FR 521293DA FR 521293 A FR521293 A FR 521293A
Authority
FR
France
Prior art keywords
construction
railway ties
ties
railway
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
FR521293A
Other languages
French (fr)
Inventor
Ralph John Wells
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.)
RALPH JOHN WELLS
Original Assignee
RALPH JOHN WELLS
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 RALPH JOHN WELLS filed Critical RALPH JOHN WELLS
Application granted granted Critical
Publication of FR521293A publication Critical patent/FR521293A/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
    • E01B3/00—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
    • E01B3/16—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from steel
    • E01B3/18—Composite sleepers

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
FR521293A 1915-05-24 1920-07-28 Improvements to the construction of railway ties Expired FR521293A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US521293XA 1915-05-24 1915-05-24

Publications (1)

Publication Number Publication Date
FR521293A true FR521293A (en) 1921-07-09

Family

ID=21975654

Family Applications (1)

Application Number Title Priority Date Filing Date
FR521293A Expired FR521293A (en) 1915-05-24 1920-07-28 Improvements to the construction of railway ties

Country Status (1)

Country Link
FR (1) FR521293A (en)

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