Printing – Planographic – Copying apparatus
Patent
1997-04-30
1998-09-22
Burr, Edgar S.
Printing
Planographic
Copying apparatus
101142, 1014151, B41L 1108
Patent
active
058098810
ABSTRACT:
A printing-machine form cylinder having, in an interior space thereof, a winding reel and an unwinding reel for a printing film drawn around the outer casing surface of the form cylinder, respective ends of the printing film being fastened to the winding reel and the unwinding reel inside the form cylinder, the form cylinder being formed with a cylinder gap extending in the direction of a generatrix of the outer casing surface of the form cylinder, the cylinder gap being defined by cylinder gap edges which are formed on the form cylinder and around which the printing film is guidable into the interior of the form cylinder, includes a cover element closing the form cylinder gap, and at least one pressure roller disposed on the cover element and bearing against the printing film for guiding it out of the interior of the form cylinder over one of the cylinder gap edges.
REFERENCES:
patent: Re19082 (1934-03-01), Lorentzen
patent: 618058 (1899-01-01), Crowell
patent: 912724 (1909-02-01), Pancoast
patent: 4217824 (1980-08-01), Rebel et al.
patent: 5355795 (1994-10-01), Moss et al.
patent: 5413043 (1995-05-01), Fuhrmann et al.
patent: 5435242 (1995-07-01), Kusch et al.
Deschner Jurgen
Weisbrodt Ulrike
Burr Edgar S.
Greenberg Laurence A.
Grohusky Leslie
Heidelberger Druckmaschinen AG
Lerner Herbert L.
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