Plastic and nonmetallic article shaping or treating: processes – Optical article shaping or treating – Utilizing plasma – electric – electromagnetic – particulate – or...
Patent
1973-11-20
1976-11-02
Hoag, Willard E.
Plastic and nonmetallic article shaping or treating: processes
Optical article shaping or treating
Utilizing plasma, electric, electromagnetic, particulate, or...
264112, 264119, 264128, 264131, 264134, 264139, 264266, 264271, 264293, 264299, 264331, B29D 300, B29D 910, B29D 1100
Patent
active
039897753
ABSTRACT:
Method of making a beaded retro-reflective material comprising embedding beads in a generally planar plastic matrix and embossing the material so that axes of exposed portions of the beads lie at varying angles to the general plane of the matrix.
REFERENCES:
patent: 2378252 (1945-06-01), Staehle et al.
patent: 3065559 (1962-11-01), McKenzie
patent: 3176584 (1965-04-01), De Vries et al.
patent: 3702213 (1972-11-01), Schwab
Jack James
Taylor-Brown Terence John
Bakelite Xylonite Limited
Hoag Willard E.
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