Continuous embossing belt
AssigneeStimsonite Corporation
InventorsRobert M. Pricone, Anthony J. Montalbano
Life of this patent
Estimating the term…
Abstract
An optically precise endless embossing belt for making retroreflection materials having projections with 90.degree. corners is provided by the instant invention.
Claims11
A thin seamless generally cylindrical flexible electroformed embossing tool, having on its outer surface an optically precise continuous pattern having sharp angles and flatness of faces in certain detail formed thereon by electroforming, for continuous embossing of a web of material with such optically precise pattern, which pattern includes multiples of smaller contiguously arranged optically precise patterns each pattern having its longest dimension of less than one inch.
A thin seamless generally cylindrical flexible electroformed embossing tool, having on its outer surface more than one optically precise continuous pattern, each said pattern having sharp angles and flatness of faces in certain detail formed thereon by electroforming, for continuous embossing of a web of material with such optically precise patterns each said pattern including multiples of smaller contiguously arranged optically precise patterns, each said smaller pattern having its longest dimension of less than one inch.
Dependencies are inferred from the claim text.