FR490279A - Improvements to switches for railway tracks - Google Patents

Improvements to switches for railway tracks

Info

Publication number
FR490279A
FR490279A FR490279DA FR490279A FR 490279 A FR490279 A FR 490279A FR 490279D A FR490279D A FR 490279DA FR 490279 A FR490279 A FR 490279A
Authority
FR
France
Prior art keywords
switches
railway tracks
railway
tracks
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
Walter Watts
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
Application granted granted Critical
Publication of FR490279A publication Critical patent/FR490279A/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
    • E01B7/00—Switches; Crossings
    • E01B7/28—Crossings
    • E01B7/30—Jump-over crossings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
FR490279D 1918-05-28 1918-05-28 Improvements to switches for railway tracks Expired FR490279A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR490279T 1918-05-28

Publications (1)

Publication Number Publication Date
FR490279A true FR490279A (en) 1919-04-15

Family

ID=1526433

Family Applications (1)

Application Number Title Priority Date Filing Date
FR490279D Expired FR490279A (en) 1918-05-28 1918-05-28 Improvements to switches for railway tracks

Country Status (1)

Country Link
FR (1) FR490279A (en)

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