ZA791840B - Concrete sleeper for track circuitry - Google Patents

Concrete sleeper for track circuitry

Info

Publication number
ZA791840B
ZA791840B ZA791840A ZA791840A ZA791840B ZA 791840 B ZA791840 B ZA 791840B ZA 791840 A ZA791840 A ZA 791840A ZA 791840 A ZA791840 A ZA 791840A ZA 791840 B ZA791840 B ZA 791840B
Authority
ZA
South Africa
Prior art keywords
concrete sleeper
track circuitry
circuitry
track
sleeper
Prior art date
Application number
ZA791840A
Other languages
English (en)
Inventor
J Jordon
Original Assignee
Humes Ltd
Hamersley Iron Ltd
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 Humes Ltd, Hamersley Iron Ltd filed Critical Humes Ltd
Priority to ZA80573A priority Critical patent/ZA80573B/xx
Publication of ZA791840B publication Critical patent/ZA791840B/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L1/00—Devices along the route controlled by interaction with the vehicle or train
    • B61L1/18—Railway track circuits
    • B61L1/181—Details
    • B61L1/182—Use of current of indifferent sort or a combination of different current types
    • B61L1/184—Use of additional conductors for examining leakages between rails
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L1/00—Devices along the route controlled by interaction with the vehicle or train
    • B61L1/20—Safety arrangements for preventing or indicating malfunction of the device, e.g. by leakage current, by lightning
    • 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
    • E01B3/28—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B9/00—Fastening rails on sleepers, or the like
    • E01B9/02—Fastening rails, tie-plates, or chairs directly on sleepers or foundations; Means therefor
    • E01B9/28—Fastening on wooden or concrete sleepers or on masonry with clamp members
    • E01B9/30—Fastening on wooden or concrete sleepers or on masonry with clamp members by resilient steel clips
    • E01B9/303—Fastening on wooden or concrete sleepers or on masonry with clamp members by resilient steel clips the clip being a shaped bar

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Installation Of Indoor Wiring (AREA)
ZA791840A 1978-04-18 1979-04-19 Concrete sleeper for track circuitry ZA791840B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA80573A ZA80573B (en) 1979-04-19 1980-01-31 Bedsitter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPD408778 1978-04-18

Publications (1)

Publication Number Publication Date
ZA791840B true ZA791840B (en) 1980-05-28

Family

ID=3767526

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA791840A ZA791840B (en) 1978-04-18 1979-04-19 Concrete sleeper for track circuitry

Country Status (9)

Country Link
US (1) US4265400A (xx)
JP (2) JPS559990A (xx)
AU (1) AU523425B2 (xx)
CA (1) CA1110597A (xx)
DE (1) DE2915653C2 (xx)
FR (1) FR2423583A1 (xx)
GB (1) GB2018869B (xx)
NZ (1) NZ190097A (xx)
ZA (1) ZA791840B (xx)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2730791B2 (ja) * 1990-06-08 1998-03-25 積水化学工業株式会社 フラッシュドアー
DE4317494A1 (de) * 1993-05-26 1994-12-01 Schreck Mieves Gmbh Schwelle
US8430334B1 (en) 2007-04-25 2013-04-30 Jonathan Jaffe Railroad tie of non-homogeneous cross section useful in environments deleterious to timber
US7942342B2 (en) 2007-04-25 2011-05-17 Scott Powers Railway tie of non-homogeneous cross section useful in environments deleterious to timber
BE1019338A4 (fr) * 2010-05-17 2012-06-05 Josse Jacques Clip modifie.
CN107407058B (zh) * 2015-02-11 2020-12-25 密歇根大学董事会 耐久性铁路轨枕
ITUB20155910A1 (it) * 2015-11-25 2017-05-25 Margaritelli Ferroviaria S P A Traversa ferroviaria perfezionata.
JP2019124091A (ja) * 2018-01-19 2019-07-25 公益財団法人鉄道総合技術研究所 まくらぎ、まくらぎ構造及び軌道
CN112211041A (zh) * 2020-10-19 2021-01-12 武汉钢铁有限公司 一种铁路用躲藏式at尖轨

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US742144A (en) * 1903-02-28 1903-10-27 David S Affleck Cross-tie for railways.
US791195A (en) * 1904-09-08 1905-05-30 David V Howell Railroad-tie.
US814022A (en) * 1905-12-13 1906-03-06 Walter A Collins Railroad-tie.
US897190A (en) * 1907-02-20 1908-08-25 Monolithic Duct Company Reinforced monolithic conduit.
GB151498A (en) * 1919-11-11 1920-09-30 John Kropacz Improvements in and relating to railway sleepers
US1423600A (en) * 1922-02-18 1922-07-25 Adam L Crane Cement tie and rail fastener
US2941026A (en) * 1956-03-22 1960-06-14 Lambert Emile Pierre Claudius Prefabricated electric line elements, comprising conductors embedded in an insulating material
US2901723A (en) * 1956-09-04 1959-08-25 Kaiser Aluminium Chem Corp Article of manufacture
GB1213762A (en) * 1969-03-19 1970-11-25 Lockspike Ltd A railway rail-fastening member and a railway rail and fastening arrangement including the member
US3893619A (en) * 1972-10-18 1975-07-08 A J Bruner Crosstie for railroad track
US3834620A (en) * 1972-12-19 1974-09-10 J Barlett Precast railroad tie and tie plate
US3863329A (en) * 1972-12-19 1975-02-04 Jamie S Bartlett Method of making precast railroad tie and tie plate
GB1449890A (en) * 1973-12-28 1976-09-15 Pandrol Ltd Fastening railway rails
US3907237A (en) * 1974-05-17 1975-09-23 Westinghouse Air Brake Co Check-in, check-out track circuit arrangement
AT343710B (de) * 1975-06-19 1978-06-12 Voest Ag Schwelle

Also Published As

Publication number Publication date
JPS559990A (en) 1980-01-24
JPS60169301U (ja) 1985-11-09
NZ190097A (en) 1983-03-15
FR2423583B1 (xx) 1985-02-15
GB2018869A (en) 1979-10-24
FR2423583A1 (fr) 1979-11-16
DE2915653C2 (de) 1985-12-05
AU523425B2 (en) 1982-07-29
AU4582879A (en) 1979-10-25
CA1110597A (en) 1981-10-13
GB2018869B (en) 1982-06-23
JPS6129761Y2 (xx) 1986-09-02
DE2915653A1 (de) 1979-10-31
US4265400A (en) 1981-05-05

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