Interlocking paving stone and ground cover formed thereof

Details Interlocking paving stone and ground cover formed thereof Interlocking paving stone and ground cover formed thereof

1990-03-22

1990-11-27

Novosad, Stephen J.

Road structure, process, or apparatus

Pavement

Modules or blocks

404 41, 404 42, E01C 500

Patent

active

049731920

ABSTRACT:
A paving material includes a plurality of identical paving stones which are similarly oriented and interlock to form a ground cover which completely covers the ground without being combined with stones of other shapes. The shape of the stones is defined by an array of concentric circle pairs centered at the intersections of two sets of parallel and equally spaced lines. The circles intersect so as to form two shapes, one shape being a segment of a solid cylinder with a radius that of the inner circle and the other being a segment of an open annular ring lying between an inner and an outer circle. Each stone includes one of the solid cylindrical segments integrally joined with one or two parts of an annular segment. Optionally, a false joint is marked by an arcuate groove in the upper surface of each stone.

REFERENCES:
patent: D86076 (1932-01-01), Bolton
patent: D187739 (1960-04-01), Yacura
patent: 3214874 (1965-11-01), Roberts
patent: 3931700 (1976-01-01), Scanni et al.
patent: 4125341 (1978-11-01), Reinschutz
patent: 4128357 (1978-12-01), Barth et al.
patent: 4544305 (1985-10-01), Hair

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