RETROREFLECTIVE BODY AND ITS PRODUCTION

PROBLEM TO BE SOLVED: To provide a retroreflective body in which the distribution state of glass beads is properly controlled all over the printed face to obtain proper retroreflection, and to provide the method for its production. SOLUTION: A screen plate 13 is preliminarily prepared by forming a p...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ITO NOBUTO, OGURA KAZUHIKO
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING CRYPTOGRAPHY DISPLAY DISPLAYING EDUCATION LABELS OR NAME-PLATES OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS SEALS SIGNS
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