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. 14, 1998
Filed:
Sep. 04, 1996
Heidelberger Druckmaschinen AG, Heidelberg, DE;
Abstract
A cutting-register feedback-control device of a cross-cutter of a rotary printing press for printing on a printing-carrier web, the cross-cutter including a driven cutting cylinder, and the rotary printing press having printing-unit cylinders, drawing devices for the printing-carrier web and positioning devices for adjusting the position of the printing-carrier web, the cutting-register feedback-control device including scanners for scanning markings on the printing-unit cylinders and for scanning the driven cutting cylinder, the scanners being connected to comparison and control circuits operatively connected with the positioning devices for the printing-carrier web so as to effect a correction in a position of the printing-carrier web if there should be an angular deviation between the printing-unit cylinders and the driven cutting cylinder, also being provided are rotary-position sensors, respectively, for the printing-unit cylinders, the drawing devices and the cutting cylinder, and a first control loop for a drive of the drawing devices, the rotary-position sensors for the printing-unit cylinders and for the drawing devices being connected in the first control loop, and a second control loop for a drive of the cutting cylinder formed independently of the first control loop, the rotary-position sensors for the printing-unit cylinders and for the cutting cylinder being connected in the second control loop.