FR2256988B2 - - Google Patents

Info

Publication number
FR2256988B2
FR2256988B2 FR7400140A FR7400140A FR2256988B2 FR 2256988 B2 FR2256988 B2 FR 2256988B2 FR 7400140 A FR7400140 A FR 7400140A FR 7400140 A FR7400140 A FR 7400140A FR 2256988 B2 FR2256988 B2 FR 2256988B2
Authority
FR
France
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
FR7400140A
Other versions
FR2256988A2 (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.)
Paris & Outreau Acieries
Original Assignee
Paris & Outreau Acieries
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 Paris & Outreau Acieries filed Critical Paris & Outreau Acieries
Priority to FR7400140A priority Critical patent/FR2256988B2/fr
Priority to BE145792A priority patent/BE816756A/fr
Priority to US483622A priority patent/US3910534A/en
Priority to DE19742432548 priority patent/DE2432548B2/de
Priority to IT69251/74A priority patent/IT1016599B/it
Priority to JP49082074A priority patent/JPS5098008A/ja
Publication of FR2256988A2 publication Critical patent/FR2256988A2/fr
Application granted granted Critical
Publication of FR2256988B2 publication Critical patent/FR2256988B2/fr
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
    • E01B7/14—Frogs with movable parts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
FR7400140A 1974-01-03 1974-01-03 Expired FR2256988B2 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR7400140A FR2256988B2 (fr) 1974-01-03 1974-01-03
BE145792A BE816756A (fr) 1974-01-03 1974-06-24 Coeur de croisement de tres grande longueur pour voies ferrees a circulation a tres grande vitesse
US483622A US3910534A (en) 1974-01-03 1974-06-27 Great-length frogs for very high speed traffic railway tracks
DE19742432548 DE2432548B2 (de) 1974-01-03 1974-07-04 Hochgeschwindigkeitsweiche
IT69251/74A IT1016599B (it) 1974-01-03 1974-07-15 Cuore di incroc o di grandissima lunghezza per vie ferrate a circo lazione ad elevatissima velocita
JP49082074A JPS5098008A (fr) 1974-01-03 1974-07-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7400140A FR2256988B2 (fr) 1974-01-03 1974-01-03

Publications (2)

Publication Number Publication Date
FR2256988A2 FR2256988A2 (fr) 1975-08-01
FR2256988B2 true FR2256988B2 (fr) 1978-05-26

Family

ID=9133055

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7400140A Expired FR2256988B2 (fr) 1974-01-03 1974-01-03

Country Status (2)

Country Link
BE (1) BE816756A (fr)
FR (1) FR2256988B2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2517678A1 (fr) 1981-12-03 1983-06-10 Synthelabo Derives oxygenes de diaza-3,7a cyclohepta (j,k) fluorenes, leur preparation et leur application en therapeutique
ATE157719T1 (de) * 1993-12-01 1997-09-15 Schreck Mieves Gmbh Fa Verfahren zum niederhalten einer beweglichen herzstückspitze eines herzstücks einer weiche sowie niederhalteeinrichtung

Also Published As

Publication number Publication date
FR2256988A2 (fr) 1975-08-01
BE816756A (fr) 1974-10-16

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