WO2006116405A3 - Improved composite railroad tie and method of manufacture - Google Patents

Improved composite railroad tie and method of manufacture Download PDF

Info

Publication number
WO2006116405A3
WO2006116405A3 PCT/US2006/015636 US2006015636W WO2006116405A3 WO 2006116405 A3 WO2006116405 A3 WO 2006116405A3 US 2006015636 W US2006015636 W US 2006015636W WO 2006116405 A3 WO2006116405 A3 WO 2006116405A3
Authority
WO
WIPO (PCT)
Prior art keywords
tie
railroad tie
cavities
manufacture
improved
Prior art date
Application number
PCT/US2006/015636
Other languages
French (fr)
Other versions
WO2006116405A2 (en
Inventor
Bryan R Kirchmer
Robert Kirchmer
Original Assignee
Forcepro L L C
Bryan R Kirchmer
Robert Kirchmer
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 Forcepro L L C, Bryan R Kirchmer, Robert Kirchmer filed Critical Forcepro L L C
Publication of WO2006116405A2 publication Critical patent/WO2006116405A2/en
Publication of WO2006116405A3 publication Critical patent/WO2006116405A3/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
    • E01B3/00—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
    • E01B3/44—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from other materials only if the material is essential

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Road Paving Structures (AREA)

Abstract

An improved composite railroad tie (20) and method of manufacture. The improved railroad tie (20) being fabricated using an injection molding process with various thermoplastic resins and fillers. The improved railroad tie (20) has one or more cavities (30) on at least one side (28) of the tie (20). The cavities (30) enable the gravel rail bed to better grip and provide greater lateral stability. The cavities (30) also reduce the overall weight and cost of the ties (20). A structural insert (40) can be molded into the web (36) of the tie (20) to provide increased stiffness and quality, thus permitting a wider range of soft polymers for a ductile skin or shell.
PCT/US2006/015636 2005-04-26 2006-04-25 Improved composite railroad tie and method of manufacture WO2006116405A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11462005A 2005-04-26 2005-04-26
US11/114,620 2005-04-26

Publications (2)

Publication Number Publication Date
WO2006116405A2 WO2006116405A2 (en) 2006-11-02
WO2006116405A3 true WO2006116405A3 (en) 2007-12-21

Family

ID=37215414

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/015636 WO2006116405A2 (en) 2005-04-26 2006-04-25 Improved composite railroad tie and method of manufacture

Country Status (1)

Country Link
WO (1) WO2006116405A2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080179418A1 (en) * 2007-01-31 2008-07-31 Chris Brough Composite load bearing structure
NL2005447C2 (en) * 2010-10-04 2012-04-05 Lankhorst Mouldings B V BIELS AND METHOD FOR THE CONSTRUCTION OR ADJUSTMENT OF A RAILWAY.
CA2966917A1 (en) * 2014-11-11 2016-05-19 Braskem S.A. A railroad sleeper and process for manufacturing a railroad sleeper
WO2019089292A1 (en) * 2017-11-02 2019-05-09 Rutgers, The State University Of New Jersey Polymer-based railroad tie having enhanced ballast interaction
GB2582778A (en) * 2019-04-02 2020-10-07 Oxford Plastic Sys Ltd Railway sleeper
CN114072556A (en) * 2019-05-24 2022-02-18 布拉斯科有限公司 Railway sleeper

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4824627A (en) * 1985-11-18 1989-04-25 Floyd V. Hammer Method of making a molded plastic product
US5688577A (en) * 1995-07-27 1997-11-18 R. K. Carbon Fibers, Inc. Multi-directional friction materials
US6659362B1 (en) * 2002-03-12 2003-12-09 Gerald Hallissy Composite railroad ties with optional integral conduit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4824627A (en) * 1985-11-18 1989-04-25 Floyd V. Hammer Method of making a molded plastic product
US5688577A (en) * 1995-07-27 1997-11-18 R. K. Carbon Fibers, Inc. Multi-directional friction materials
US6659362B1 (en) * 2002-03-12 2003-12-09 Gerald Hallissy Composite railroad ties with optional integral conduit

Also Published As

Publication number Publication date
WO2006116405A2 (en) 2006-11-02

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