The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 30, 1999
Filed:
Jun. 30, 1997
Applicant:
Inventors:
Michael A Lorenz, Miamisburg, OH (US);
Joseph D Roth, Springboro, OH (US);
Assignee:
NCR Corporation, Dayton, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41C / ;
U.S. Cl.
CPC ...
10112821 ; 428195 ; 4283177 ; 156241 ; 1562735 ; 1562757 ; 156325 ;
Abstract
A thermal stencil master sheet for stencil printing has a porous substrate for absorbing ink and a thermoplastic resin film bound thereto by an adhesive. The stencil pattern is formed in both the film and adhesive. The adhesive comprises a thermoplastic resin derived from UV and visible light cured monomers, oligomers and mixtures thereof. In the method provided, thermal stencil master sheets are prepared by forming a liquid layer of adhesive between the porous substrate and the thermoplastic resin film and curing the liquid layer by exposure to UV or visible light.