Modular system for the laying of underground and railroad and tram lines
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United States of America Patent
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Oct 8, 2019
Grant Date -
Jan 25, 2018
app pub date -
Feb 10, 2015
filing date -
Feb 10, 2015
priority date (Note) -
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Abstract
A module (100) for a system for the laying of underground and railroad and tram lines both in tunnel and on the surface, in particular railroad and tram lines, comprising a supporting slab (101) for the tracks (6), with substantially parallelepiped shape, the slab having at least four peripheral housings (1), passing from the extrados to the intrados and suitable to house respective adjustable levelling devices (120).
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