FR347388A - Crossings for railway or tram tracks - Google Patents

Crossings for railway or tram tracks

Info

Publication number
FR347388A
FR347388A FR347388DA FR347388A FR 347388 A FR347388 A FR 347388A FR 347388D A FR347388D A FR 347388DA FR 347388 A FR347388 A FR 347388A
Authority
FR
France
Prior art keywords
crossings
railway
tram tracks
tram
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
Robert Abbott Hadfield
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 FR347388A publication Critical patent/FR347388A/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
    • E01B7/10—Frogs
    • E01B7/12—Fixed frogs made of one part or composite

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
FR347388D 1904-10-25 1904-10-25 Crossings for railway or tram tracks Expired FR347388A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR347388T 1904-10-25

Publications (1)

Publication Number Publication Date
FR347388A true FR347388A (en) 1905-03-06

Family

ID=1396029

Family Applications (1)

Application Number Title Priority Date Filing Date
FR347388D Expired FR347388A (en) 1904-10-25 1904-10-25 Crossings for railway or tram tracks

Country Status (1)

Country Link
FR (1) FR347388A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1091592B (en) * 1956-03-15 1960-10-27 Paris & Outreau Acieries Simple core made of cast steel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1091592B (en) * 1956-03-15 1960-10-27 Paris & Outreau Acieries Simple core made of cast steel

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