MA32587B1 - Polytheistic expansion bars - Google Patents

Polytheistic expansion bars

Info

Publication number
MA32587B1
MA32587B1 MA33647A MA33647A MA32587B1 MA 32587 B1 MA32587 B1 MA 32587B1 MA 33647 A MA33647 A MA 33647A MA 33647 A MA33647 A MA 33647A MA 32587 B1 MA32587 B1 MA 32587B1
Authority
MA
Morocco
Prior art keywords
rails
polytheistic
expansion bars
mild steel
expansion joint
Prior art date
Application number
MA33647A
Other languages
Arabic (ar)
French (fr)
Inventor
Anuranjan Prasad
Original Assignee
Vae Vkn Ind Pvt Ltd
Vae Gmbh
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 Vae Vkn Ind Pvt Ltd, Vae Gmbh filed Critical Vae Vkn Ind Pvt Ltd
Publication of MA32587B1 publication Critical patent/MA32587B1/en

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
    • E01B11/00—Rail joints
    • E01B11/02—Dismountable rail joints
    • E01B11/20—Dismountable rail joints with gap-bridging
    • E01B11/28—Dismountable rail joints with gap-bridging by parts of the joining members
    • E01B11/30—Fishplates with integral tread parts lying in the cross-section of the rail head
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B11/00—Rail joints
    • E01B11/02—Dismountable rail joints
    • E01B11/20—Dismountable rail joints with gap-bridging
    • E01B11/28—Dismountable rail joints with gap-bridging by parts of the joining members

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Machines For Laying And Maintaining Railways (AREA)

Abstract

Cette invention concerne un joint de dilatation amélioré pour rails, destiné à être utilisé dans une voie située au bout de longs rails soudés. Ledit joint de dilatation pour rails comprend une paire de rails identiques (50, 52) ne présentant aucune courbure, un coussinet moulé en acier manganèse (60) et un support en acier doux (55). Lesdits rails (50, 52) reposent sur ledit coussinet moulé en acier manganèse (60) et ledit support en acier doux (55) est fixé auxdits rails (50, 52) qui sont positionnés entre ledit coussinet moulé en acier manganèse (60) et ledit support en acier doux (55).This invention relates to an improved rail expansion joint for use in a track located at the end of long welded rails. The rail expansion joint includes a pair of identical rails (50, 52) having no curvature, a molded manganese steel bushing (60) and a mild steel bracket (55). Said rails (50, 52) rest on said cast manganese steel bushing (60) and said mild steel bracket (55) is attached to said rails (50, 52) which are positioned between said cast manganese steel bush (60) and said mild steel support (55).

MA33647A 2008-09-01 2011-02-25 Polytheistic expansion bars MA32587B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IN2008/000550 WO2010023675A1 (en) 2008-09-01 2008-09-01 Rail expansion joint

Publications (1)

Publication Number Publication Date
MA32587B1 true MA32587B1 (en) 2011-08-01

Family

ID=41720890

Family Applications (1)

Application Number Title Priority Date Filing Date
MA33647A MA32587B1 (en) 2008-09-01 2011-02-25 Polytheistic expansion bars

Country Status (3)

Country Link
MA (1) MA32587B1 (en)
TN (1) TN2011000088A1 (en)
WO (1) WO2010023675A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2474265B2 (en) * 2013-11-29 2015-09-10 Talleres Alegría, S.A. Expansion apparatus for railroad tracks
US9719158B2 (en) 2014-12-29 2017-08-01 Progress Rail Services Corporation Explosively depth hardened crawler shoes
GB2581383A (en) * 2019-02-15 2020-08-19 Progress Rail Services Uk Ltd Improved steel railway crossing

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR430968A (en) * 1911-05-11 1911-10-28 Otto Arndt Kunert Rail assembly
GB750754A (en) * 1953-05-22 1956-06-20 Haine Saint Pierre Lesquin Expansion joint for rails

Also Published As

Publication number Publication date
TN2011000088A1 (en) 2012-09-05
WO2010023675A1 (en) 2010-03-04

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