Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Reexamination Certificate
2011-08-23
2011-08-23
Shewareged, Betelhem (Department: 1785)
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
C428S204000
Reexamination Certificate
active
08003197
ABSTRACT:
The present invention is directed to providing a retroreflective sheet for security that is difficult to be counterfeited, cannot be reused if once released, includes a printed image that can be identified visually regardless of an object to be attached such as a colored glass and also can be identified visually clearly even in the night time, and is directed to providing a method for manufacturing the same. The retroreflective sheet for security of the present invention includes: a surface layer1; a binder layer2; high-refractive-index glass beads3; a print resin layer4; a focusing layer5; a metal layer6; and a pressure-sensitive adhesive layer7in this order, wherein the print resin layer4forms a mark, the high-refractive-index glass beads3are disposed in the binder layer2, a position for disposing the high-refractive-index glass beads3does not coincide with a position of the print resin layer4, when being observed from the surface layer1side in a thickness direction of the retroreflective sheet for security, and the print resin layer4is made of a composition containing a room temperature curing resin as a main component.
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Machine Translations of Abstract, Claims and Detailed Description of Kurz, JP2002-366036 (Dec. 20, 2002).
Tanaka Masanobu
Yukawa Shigeo
Hamre Schumann Mueller & Larson P.C.
Kiwa Chemical Industry Co., Ltd.
Reddy Sathavaram I
Shewareged Betelhem
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