Climbing step with embedded reflection plate
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United States of America Patent
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Oct 18, 1988
Grant Date -
N/A
app pub date -
Jul 21, 1987
filing date -
Jul 30, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A climbing step and its manufacturing method are disclosed. The climbing step which is installed on wall surfaces of a manhole, pier or the like for ascent and descent is arranged such that a part of the step is coated with a layer of synthetic resin, and a reflection plate including protruding portions for preventing slippage are formed in the synthetic resinous surface. The reflection plate is embedded in the resinous surface over the tread portion while causing the surface to be exposed.
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