Stock material or miscellaneous articles – Structurally defined web or sheet – Including aperture
Patent
1997-10-23
1999-07-20
Loney, Donald
Stock material or miscellaneous articles
Structurally defined web or sheet
Including aperture
428 418, 428 421, 428195, 428204, 428207, 4289133, 156252, 156277, 264156, 264241, 359529, 359591, 40442, B32B 310, B28B 148
Patent
active
059254378
ABSTRACT:
A one-way see-through panel assembly enhanced by a retroreflective surface. The panel assembly has a first panel which has a dark light-absorbing surface and an opposite light reflecting surface. A retroreflective sheet is applied over the light reflecting surface to form an assembly. Light passageways, either perforations or a pattern of discrete transparent areas, are provided in the assembly. An image is imprinted on either the surface of the retroreflective panel or the light reflecting surface. The method includes mechanically perforating the assembly which is facilitated by the retroreflective sheet having non-glass reflective formations thereon.
REFERENCES:
patent: 4673609 (1987-06-01), Hill
patent: 5609938 (1997-03-01), Shields
Loney Donald
Nelson Gregory J.
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