Traction providing device(s) for open grid bridges and methods o

Road structure – process – or apparatus – Pavement – Anti-slip surface

Patent

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Details

14 73, 52181, E01C 910, E01C 1124

Patent

active

054473870

ABSTRACT:
The invention pertains to a device which, when inserted and affixed to an open grid deck spaces of an open grid bridge, provides increased traction for trespassing motor vehicles. The invention also pertains to methods of affixing the traction providing devices in various spacial arrangements.

REFERENCES:
patent: 1665846 (1928-04-01), Denni
patent: 2009595 (1935-07-01), Van Der Pyl
patent: 2031007 (1936-02-01), Schulz
patent: 2960918 (1960-11-01), Nagin
patent: 3156168 (1964-11-01), Nagin et al.
patent: 4555292 (1985-11-01), Thompson

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