EP3507419A4 - Frog with trimmed casting of a mono-block - Google Patents

Frog with trimmed casting of a mono-block Download PDF

Info

Publication number
EP3507419A4
EP3507419A4 EP17830519.9A EP17830519A EP3507419A4 EP 3507419 A4 EP3507419 A4 EP 3507419A4 EP 17830519 A EP17830519 A EP 17830519A EP 3507419 A4 EP3507419 A4 EP 3507419A4
Authority
EP
European Patent Office
Prior art keywords
frog
mono
block
trimmed
casting
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.)
Pending
Application number
EP17830519.9A
Other languages
German (de)
French (fr)
Other versions
EP3507419A1 (en
Inventor
Zdenek SNAJDR
Marek SMOLKA
Vladimír MUZIKANT
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.)
Dt- Vyhybkarna A Strojirna AS
Original Assignee
Dt- Vyhybkarna A Strojirna AS
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 Dt- Vyhybkarna A Strojirna AS filed Critical Dt- Vyhybkarna A Strojirna AS
Publication of EP3507419A1 publication Critical patent/EP3507419A1/en
Publication of EP3507419A4 publication Critical patent/EP3507419A4/en
Pending 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)
  • Component Parts Of Construction Machinery (AREA)
  • Foundations (AREA)
EP17830519.9A 2016-07-21 2017-07-20 Frog with trimmed casting of a mono-block Pending EP3507419A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CZ2016-32600U CZ30786U1 (en) 2016-07-21 2016-07-21 A heart case with a shortened monoblock
PCT/CZ2017/000047 WO2018014887A1 (en) 2016-07-21 2017-07-20 Frog with trimmed casting of a mono-block

Publications (2)

Publication Number Publication Date
EP3507419A1 EP3507419A1 (en) 2019-07-10
EP3507419A4 true EP3507419A4 (en) 2020-06-03

Family

ID=59249279

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17830519.9A Pending EP3507419A4 (en) 2016-07-21 2017-07-20 Frog with trimmed casting of a mono-block

Country Status (4)

Country Link
EP (1) EP3507419A4 (en)
AU (1) AU2017300466B2 (en)
CZ (1) CZ30786U1 (en)
WO (1) WO2018014887A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ33029U1 (en) 2019-04-11 2019-07-30 DT - Výhybkárna a strojírna, a.s. Valve with shortened cast monoblock
CN115418892B (en) * 2022-09-06 2024-07-12 中国铁建重工集团股份有限公司 Combined railway frog and manufacturing method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US896154A (en) * 1907-10-02 1908-08-18 Charles W Reinoehl Railroad frog or crossing.
EP0363349A2 (en) * 1988-10-04 1990-04-11 Voest-Alpine Maschinenbau Gesellschaft m.b.H. Frog with a cast point of hard manganese steel
CZ5698U1 (en) * 1996-11-21 1997-02-11 DT výhybkárna a mostárna a.s. Frog with shortened monobloc
CN201924243U (en) * 2010-12-20 2011-08-10 中铁宝桥集团有限公司 Embedded type combined high manganese steel frog

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4824055A (en) * 1987-02-02 1989-04-25 Nortrak Limited Railroad FROG
CA2387850C (en) * 2002-05-29 2006-11-28 Vae Nortrak North America Inc. Replaceable point frog
HUP1400048A2 (en) * 2014-02-03 2015-08-28 Palya Szintvonal Tervezoe Es Szolgaltato Kft Common crossing for railroad switch

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US896154A (en) * 1907-10-02 1908-08-18 Charles W Reinoehl Railroad frog or crossing.
EP0363349A2 (en) * 1988-10-04 1990-04-11 Voest-Alpine Maschinenbau Gesellschaft m.b.H. Frog with a cast point of hard manganese steel
CZ5698U1 (en) * 1996-11-21 1997-02-11 DT výhybkárna a mostárna a.s. Frog with shortened monobloc
CN201924243U (en) * 2010-12-20 2011-08-10 中铁宝桥集团有限公司 Embedded type combined high manganese steel frog

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2018014887A1 *

Also Published As

Publication number Publication date
AU2017300466B2 (en) 2022-08-25
CZ30786U1 (en) 2017-06-27
AU2017300466A1 (en) 2019-01-24
WO2018014887A1 (en) 2018-01-25
EP3507419A1 (en) 2019-07-10

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