Shinohara Machinery Co., Ltd.

Shinohara Machiner Co., Ltd.

Shigetoshi Saitou

Osamu Sugiyama

Plate cylinder of sheet-fed printing press is disclosed whose circumference is covered by minute glass beads 14 of approximately uniform diameters in order to decrease a friction force between a plate as well as to prevent the generation of static electricity.

Plate cylinder having glass beads thereon for a sheet-fed printing press

A plate cocking apparatus for a plate cylinder of a sheet-fed printing press including a clamp on a front grip end of the plate cylinder and a clamp on a rear grip end of the plate cylinder. Both clamps are disposed inside a groove of the plate cylinder and both clamps engage a plate wound on the outer periphery of the plate cylinder. The apparatus further includes drive assemblies for moving the clamp on the front grip end in both the axial and circumferential directions. The drive assemblies are connected to a motor within the plate cylinder.

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Shizuoka, Japan

Shigetoshi Saitou