Device in concrete blocks

Details Device in concrete blocks Device in concrete blocks

1978-12-08

1980-02-26

Byers, Jr., Nile C.

Road structure, process, or apparatus

Traffic steering device or barrier

E01F 1500

Patent

active

041903803

ABSTRACT:
An arrangement in concrete blocks which are intended to be positioned end-to-end to form barriers for e.g. roadways and parking lots. The concrete blocks have an elongate shape with an essentially triangular cross-sectional configuration with rounded side walls, and are interconnected by means of T-shaped metal pieces, the latter being secured in the end faces of the blocks during the casting thereof and formed with cross-bars, the interconnection of the blocks being effected in that two such cross-bars at adjoining end faces of two concrete blocks positioned end-to-end are enclosed by a tubular member, whereby the blocks are locked together. The blocks may be provided with a device widening their upper part and increasing the ability of the block to guide vehicles safely back to the roadway.

REFERENCES:
patent: 1264582 (1918-04-01), Vergara
patent: 3065680 (1962-11-01), Wiedman
patent: 3092371 (1963-06-01), Knudsen
patent: 3372519 (1968-03-01), Russell
patent: 3678815 (1972-07-01), Yonker
patent: 3980279 (1976-09-01), Bofinger
patent: 4059362 (1977-11-01), Smith
patent: 4089615 (1978-05-01), Almer
patent: 4113400 (1978-09-01), Smith

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