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:
Apr. 03, 2001
Filed:
Jan. 09, 1998
Robert Richard Murray, Madbury, NH (US);
Roland Thomas Palmatier, Durham, NH (US);
Heidelberger Druckmaschinen AG, Heidelberg, DE;
Abstract
A printing unit of a rotary printing press for using various ink types, particularly water-based inks, is provided. The printing unit includes an inking mechanism, a print cylinder, and a blanket cylinder. The inking mechanism and the cylinders are mounted in side walls of the printing unit. A housing at least partially surrounds the inking mechanism and the cylinders to maintain a surrounding atmosphere within an at least semi-enclosed area of the printing unit. A chemical agent may be selectively added to the atmosphere in the semi-enclosed area to reduce the rate of evaporation of a substance in the ink. The printing unit also includes a cooling unit for maintaining an ink carrying surface of one or more of the print form, the printing blanket, and the inking unit at a predetermined temperature which is suitable for printing with water-based inks. The printing unit may be a sheet-fed printing press.