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. 21, 2000
Filed:
Dec. 24, 1998
Applicant:
Inventors:
Karl-Heinz Helmstadter, Sinsheim, DE;
Raimund Schroder, Hockenheim, DE;
Assignee:
Heidelberger Druckmaschinen AG, Heidelberg, DE;
Primary Examiner:
Int. Cl.
CPC ...
B41F / ; B41F / ; B41F / ; B41F / ; B41F / ;
U.S. Cl.
CPC ...
101410 ; 101232 ; 101246 ; 101174 ; 271276 ; 271902 ;
Abstract
A suction-air control device for controlling suction air applied to suction openings of a printing-press cylinder, having controllable valves by which the suction openings are connectable to a suction-air source, and a first pneumatic control device for timed or cyclically feeding the suction air, includes a second pneumatic control device for controlling the suction air in a manner dependent upon the format of the printing substrate, the valves being pneumatically controllable and being disposed on the cylinder.