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:
Aug. 08, 2006
Filed:
Jul. 07, 2005
David J. Stinson, Woodstock, GA (US);
David A. Douglas, Garland, TX (US);
Roy E. Seibert, McKinney, TX (US);
Jose A. Villarreal, Kemp, TX (US);
David J. Stinson, Woodstock, GA (US);
David A. Douglas, Garland, TX (US);
Roy E. Seibert, McKinney, TX (US);
Jose A. Villarreal, Kemp, TX (US);
Other;
Abstract
A method of and apparatus for extending the life of fountain solutions used in commercial printing presses comprises withdrawing fountain solution from the dampener recirculation system of a printing press and directing the withdrawn fountain solution through a sediment prefilter, a separation filter, and a post treatment filter. The sediment prefilter preferably comprises a melt blown polypropylene filter; the separation filter preferably comprises a diatomaceous earth filter; and the post treatment filter preferably comprises a zeolite filter.