Phosphorescent directional signals and manufacturing method

Details Phosphorescent directional signals and manufacturing method Phosphorescent directional signals and manufacturing method

1996-07-15

1998-02-03

Morris, Terrel

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

428 85, 428 89, 428 97, 428359, 428690, 428913, D02G 300, B32B 900

Patent

active

057142556

ABSTRACT:
Claimed are a method of making a direction indicating carpet, useful in temporarily unlighted building hallways and rooms. Symbols are tufted into the carpet using zinc sulfide copper activated pigments in concentration of 2% in the fiber.

REFERENCES:
patent: 2169657 (1939-08-01), Millson
patent: 2838762 (1958-06-01), Wodely
patent: 2968856 (1961-01-01), Allen
patent: 3688804 (1972-09-01), Brown et al.
patent: 4623579 (1986-11-01), Quon
patent: 4781647 (1988-11-01), Doane, Jr.
patent: 4943896 (1990-07-01), Johnson
patent: 5321069 (1994-06-01), Owens
Translation of EPO 0,173,762 to Kollmer et al.; "Phosphorescent Flock Coated Substrate and Process and Equipment for its Production", Mar. 12, 1986.

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