FIELD: transport.
SUBSTANCE: proposed device comprises sleeper body with its inside representing a comb with ribs and consisting of 60% by weight of wood and 40% by weight of composite material that fill free space between comb ribs. Composite material comprises, % by weight: fine rubber chips from worn-out automotive tires - 50%, wood fibers - 30%, polypropylene - 10%, preservative ZTK-10%. Sleeper top bed is made from veneer sheets made by, for example LVL technology and attached to said comb and ribs, and has drilled holes to receive wood screws.
EFFECT: longer life.
4 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| COMPOSITE SLEEPER FOR RAILROADS | 2013 |
|
RU2536569C2 |
| COMPOSITE TIE | 2004 |
|
RU2256020C1 |
| WOODEN-AND-METAL SLEEPER | 2004 |
|
RU2262564C1 |
| WOOD-CONCRETE SLEEPER | 2003 |
|
RU2306376C2 |
| METHOD FOR MANUFACTURE OF CAST SLEEPER FOR WIDE TRACK RAILS | 2000 |
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RU2179923C2 |
| RETORT FOR PRODUCTION OF COMPOSITE SLEEPER | 2007 |
|
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| UPPER RAILWAY AND MOTOR ROAD STRUCTURE (VARIANTS) | 2002 |
|
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| METHOD OF ROLLED COMPOSITE SLEEPERS PRODUCTION | 2007 |
|
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| COMPOSITE SLEEPER | 2019 |
|
RU2707435C1 |
| METHOD TO MANUFACTURE SLEEPER | 2011 |
|
RU2481430C1 |
