Rail track tie
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
N/A
Issued Date -
Apr 10, 2008
app pub date -
Sep 21, 2007
filing date -
Sep 22, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The rail track tie including: a rigid block presenting a bottom face, and a top face for receiving at least one longitudinal rail; a cover for receiving the rigid block and in the form of a rigid shell including a bottom and a peripheral rim around the bottom; and a resilient soleplate disposed between the bottom face of the rigid block and the bottom of the cover. The resilient soleplate has dynamic stiffness k2 lying in the range of 6 kN/mm to 10 kN/mm, and preferably in the range of 6 kN/mm to 8 kN/mm.
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