Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1988-09-20
1989-10-31
Robinson, Ellis P.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428172, 428173, 428201, 428203, 428212, 4284231, 4284237, 4284244, 428480, 428484, B32B 704, B32B 300
Patent
active
048776769
ABSTRACT:
In the particular embodiments of the invention described in the specification, a transparency includes a transparent substrate made of a polyester material, an ink pattern disposed on one surface of the transparent sheet in the form of three-dimensional ink spots having curved surfaces and a transparent layer convering the ink spots which has an index of refraction approximately the same as that of the ink spots. The transparent layer is applied to the substrate and the ink spots in the form of a liquid coating which wets the surfaces of the substrate and ink spots and spreads over them to produce a transparent layer having a maximum deviation of about 20 degrees from a plane parallel to the substrate.
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Creagh Linda T.
Fulton Steven F.
Hoisington Paul A.
Paulson Bruce A.
Schaffer Robert R.
Robinson Ellis P.
Spectra Inc.
Turner Archene A.
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