Printing – Stenciling – Rotary machines
Patent
1994-08-11
1995-05-30
Burr, Edgar S.
Printing
Stenciling
Rotary machines
101118, B41L 1304
Patent
active
054192439
ABSTRACT:
In a rotary stencil printer in which a back press roller 12 is provided with a transverse groove 26 for receiving a transverse bar 16 of a printing drum 10 and a printing sheet applied with a printing at a nipping region 32 between the printing drum and the back press roller is transferred for a while as attached onto the cylindrical outer circumferential surface of the back press roller by a pinch roller or rollers 40 provided at an outlet side of the nipping region so as to press at a side edge portion or portions of the printing sheet against the outer circumferential surface of the back press roller, the position control of the pinch roller or rollers to conform to the sheet width is carried out in a condition that the pinch roller or rollers are aligned with the transverse groove of the back press roller.
REFERENCES:
patent: 5081924 (1992-01-01), Ohinata
patent: 5243904 (1993-09-01), Hayama et al.
Hanzawa Hiroshi
Hara Yoshikazu
Miyata Masakazu
Nakayama Koji
Burr Edgar S.
Funk Stephen R.
Riso Kagaku Corporation
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