Printing – Rolling contact machines – Rotary
Patent
1995-04-28
1997-12-02
Eickholt, Eugene H.
Printing
Rolling contact machines
Rotary
101179, B41F 504
Patent
active
056924399
ABSTRACT:
The present invention relates to a printing unit for blanket-to-blanket printing. The printing unit includes two printing couples positioned one on top of the other. Each printing couple includes a form cylinder and a transfer cylinder. The transfer cylinders each carry a gap-free blanket. A horizontal web passes between the transfer cylinders of the two printing couples. In order to achieve good print quality with an advantageous web path, a plane connecting the centers of the transfer cylinders is inclined from a plane extending perpendicular to the web and passing through the center of one of the transfer cylinders by an angle (.alpha.) in the range from 0.degree. to 10.degree. and optimally by an angle of 5.degree..
REFERENCES:
patent: 2986085 (1961-05-01), Johnson
patent: 3166012 (1965-01-01), Hantscho
patent: 3177804 (1965-04-01), Koch
patent: 3616751 (1971-11-01), Moway
patent: 4000691 (1977-01-01), Fischer
patent: 4074626 (1978-02-01), Werner
patent: 4144813 (1979-03-01), Julian
patent: 4563950 (1986-01-01), Fischer
patent: 4598640 (1986-07-01), Nawrath
patent: 5012735 (1991-05-01), Fischer
patent: 5440981 (1995-08-01), Vrotacoe et al.
Offsettechnik, Technologie in der Druckindustrie by Helmut Teschner, copyright 1982, p. 271.
Eickholt Eugene H.
MAN Roland Druckmaschinen AG
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