Title:
COVER MATERIAL FOR LIGHT PROJECTION SUCH AS LIGHTING APPARATUS
Document Type and Number:
Japanese Patent JP3034111
Kind Code:
B2
Abstract:
PURPOSE: To sufficiently assure the total ray transmittance and haze value of the cover material, such as louver of a lighting apparatus or back light type signboard, and to develop the white color.
CONSTITUTION: The cover material has a core layer 1 scattered with transparent beads 3 formed of an acrylic polymer different in refractive index from a base layer 2 consisting of a transparent polyvinyl chloride resin in the, base layer 2 and a surface thin layer 5 laminated and integrated on and with the core layer 1. The white powder of titanium oxide 5, etc., is scattered into the surface thin layer.
Inventors:
Toshiyuki Yagi
Application Number:
JP35995591A
Publication Date:
April 17, 2000
Filing Date:
December 27, 1991
Export Citation:
Assignee:
Takiron Co., Ltd.
International Classes:
B32B27/00; B32B27/14; F21V3/04; G09F13/08; (IPC1-7): G09F13/08; B32B27/00; B32B27/14; F21V3/04
Domestic Patent References:
| JP3236958A | ||||
| JP60191001U |
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