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US 5,816,158 AGranted
Inverted stamping process
AssigneeRJR Polymers, Inc.
InventorRichard J. Ross
Life of this patent
Estimating the term…
Abstract
Printing of a pattern from a die to a surface is performed by immersing the die in a bath of liquid print material with the die surface facing upward, then either lowering the bath liquid level or raising the die to expose the die surface wet with liquid print material, and contacting the surface to be printed with the wet die surface.
Claims11
A process for printing a design on a surface to be printed, comprising:
- (a) immersing a die containing a raised negative of the design in a bath of liquid print material having a viscosity in the range of 5,000 to 50,000 cps, the raised negative facing upward;
- (b) vertically displacing the raised negative of the design and the bath from each other to expose the raised negative wet with liquid print material, while maintaining the raised negative facing upward;
- and
- (c) contacting the surface to be printed to the upwardly facing exposed raised negative wet with the liquid print material, to transfer print material from the raised negative to the surface to be printed.
1 more element
Dependencies are inferred from the claim text.