Bonded road studs

Details Bonded road studs Bonded road studs

1978-08-11

1980-12-02

Epstein, Henry F.

Stock material or miscellaneous articles

Decorative article

Constructed from filamentary or flat sheet material

404 16, G08G 100

Patent

active

042371910

ABSTRACT:
A non-depressible bonded road stud is rectangular in plan and comprises a body portion having a substantially flat upper face and four substantially upright side faces sloping downwardly from the side edges of the upper face onto a basal plinth portion. The basal plinth extends laterally away from the lower edges of the upright side faces of the body portion on all sides thereof and has an upper surface sloping outwardly and downwardly away from the periphery of the body portion. Two opposite upright side faces of the body portion are fitted with reflecting lenses and the upper surfaces of the plinth adjacent the lens-carrying side faces of the body portion comprise ridges which are substantially centered with respect to the side faces and the said upper surfaces are cambered to slope away from both sides of the ridges. The plan area of the road stud is at least 70% greater than the plan area bounded by the periphery of the body portion and the average thickness of the basal plinth is substantially 10% to 20% of the maximum thickness of the stud.

REFERENCES:
patent: 2256636 (1941-09-01), Abbott
patent: 3409344 (1968-11-01), Balint et al.
patent: 3485148 (1969-12-01), Heenan
patent: 3758191 (1973-09-01), Hedgewick
patent: 3822158 (1974-07-01), Hoffman et al.
patent: 3936208 (1976-02-01), Baynes et al.

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