Lane marker

Details Lane marker Lane marker

1994-01-18

1995-05-23

Britts, Ramon S.

Road structure, process, or apparatus

Traffic director

116 63P, E01F 901

Patent

active

054175143

ABSTRACT:
The application describes an automatically deployable terrain marking dev used to identify off-road safe-travel lanes for vehicles. The marking device has a base comprising a heavy ground engagement dish and a canister set on the ground engagement dish. The canister holds reagents of a foam formation system that can be triggered to form a expanding fluid foam that later hardens. A flexible inelastic base wall forms part of the base and mates to the ground engagement dish to form a sealed compartment containing the canister. A flexible tube frame assembly is communicated with the canister such that the tube frame assembly extends and expands during foam formation. The frame assembly thus has both a compact condition in which at least a part of the assembly folds upon a portion of the base and has an expanded condition in which the assembly is filled with hardened foam.

REFERENCES:
patent: 3933118 (1976-01-01), Lyons et al.
patent: 4394843 (1983-07-01), Ediriwira
patent: 4406631 (1983-09-01), Dale
patent: 4848263 (1989-07-01), Grimm

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