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:
Sep. 07, 1999
Filed:
May. 01, 1998
Applicant:
Inventors:
Robert Richard Murray, Madbury, NH (US);
John Sheridan Richards, Barrington, NH (US);
Assignees:
Heidelberger Druckmaschinen AG, Heidelberg, DE;
Heidelberg Harris Inc., Dover, NH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41F / ;
U.S. Cl.
CPC ...
1014161 ; 1014241 ;
Abstract
An apparatus for preventing marking of a web which locally cools the web and thereby raises the viscosity of the ink imprinted thereon downstream of an initial cooling of the web. The cooling device may include liquid cooling of rolls in the press, air cooling of a contained environment of the press, or forcing a cooling gas onto a surface of the printed web.