Luminescent welt cord

Details Luminescent welt cord Luminescent welt cord

1986-06-02

1988-02-09

Howell, Janice A.

Radiant energy

Invisible radiation responsive nonelectric signalling

Luminescent device

2504621, 428123, 428690, F21K 100

Patent

active

047243279

ABSTRACT:
A welt having a strip of transparent plastic material which is folded over a cord or rope saturated with a phosphorescent paint so as to encase the cordage and protect both it and the paint. The welt, after being exposed briefly to an ordinary bright light, remains luminous for time intervals on the order of hours, allowing portions of the welt to be seen in the dark.

REFERENCES:
patent: 2382355 (1945-08-01), Warren, Jr.
patent: 2436182 (1948-02-01), Schmidling

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