Ryobi Limited

Hiroshi Yamanari

Nobuhiko Fujisawa

Yusaku Kitamura

A double-sided printing machine in which two sides of fed sheets are printed by two adjacent impression cylinders, each with their own plate and blanket cylinders. Thereby, the first impression cylinder acts as a sheet feed cylinder for the second impression cylinder.

Reverse side printing device employing sheet feed cylinder in sheet-fed

A sheet-fed rotary printing press for printing both the obverse and reverse side of a printing sheet. The printing press is provided with at least one obverse side printing unit including an impression cylinder and a discharge cylinder in contact therewith. The printing press is also provided with a reverse side printing unit in confrontation with the discharge cylinder. The discharge cylinder also functions as an impression cylinder for the reverse side printing.

Growing community of inventors

Hiroshima, Japan

Hiroshi Yamanari