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:
Mar. 28, 1995
Filed:
Feb. 17, 1993
Richard C Nubson, Eden Prairie, MN (US);
Glenn R Carney, Eagan, MN (US);
Luc DeBleeckere, Crystal, MN (US);
Ronald B Howes, Minneapolis, MN (US);
Milo B Squires, Minneapolis, MN (US);
David E Wickstrom, St. Louis Park, MN (US);
Dennis J Warwick, Richfield, MN (US);
Benjamin H Sannel, St. Louis Park, MN (US);
Gretchen J Moeller, Plymouth, MN (US);
Paul R Caron, Tiverton, RI (US);
Harold D Schofield, Naragansett, RI (US);
DataCard Corporation, Minneapolis, MN (US);
Abstract
An apparatus and method are described for removing particulate matter from one or more surfaces of a workpiece, such as a credit card blank, prior to printing a graphic design thereon. The apparatus includes a pair of cleaning rollers which engage both sides of the card, the cleaning rollers having an adhesive coating for removing loose particulate matter from the surfaces of the card. The apparatus also includes a stripper system for stripping collected particulate matter away from the cleaning rollers after a predetermined number of cards have been cleaned.