Detectable warning system

Details Detectable warning system Detectable warning system

2005-11-01

2005-11-01

Pope, Daryl C (Department: 2632)

Communications: electrical

Tactual indication

C340S907000, C340S691100, C404S018000

Reexamination Certificate

active

06960989

ABSTRACT:
A detectable warning system, for tactily signaling the presence of a terrain transition to a pedestrian, using a plurality of detectable warning domes that are arranged in a grid within a detectable warning carrier assembly. The detectable warning carrier assembly comprises a top layer and base layer of thermoplastic material with heat resistant detectable warning domes therebetween. The base layer is heated and adhered to a pavement surface. The detectable warning domes protrude from the pavement surface in an evenly spaced pattern that is detectable by the pedestrian using a cane or other guidance instrument.

REFERENCES:
patent: 5835271 (1998-11-01), Stump et al.
TOPMARK Brochure Estimated Late 2003.
TOPMARK Material Safety Data Sheet May 8, 2003.
TOPMARK Installation Instructions Jun. 3, 2003.
TOPMARK Detectable Warning Specification Jul. 23, 2003.

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