Veb Kombinat Polygraph 'werner Lamberz Leipzig'

Veb Polygraph Leipzig Kombinat Fur Polygraphische Maschinen Und

Helmut Schone

Hans Johne

Arndt Jentzsch

Victor Hefftler

Horst Schulz

Alfred Schott

Karl-Heinz Forster

Gunter Weisbach

Werner Lein

Norbert Dittmann

Albrecht Johne

Werner Kuhnert

Heiner Fink

Peter Kahlert

Lothar Vetter

Rainer Nitsch

Karl-Heinz Preussger

Regina Jungnickel

Rainer Karl

Rudi Riedl

Otfried Rudolh

To guarantee an exact engagement of toothed flanks in the driving gear train of a multi-color sheet-fed rotary printing machine, the gears in the train pertaining to an intermediate printing unit of the machine are power supplied from a driving member which transmit a three-fold power portion in comparison to uniform power portions transmitted by driving elements assigned to the remaining printing units.

Driving system for sheet-fed rotary printing machine

A sheet-gripping device for sheet-processing machines includes a sheet-gripping member with a sheet-supporting surface of non-elastic material and a counter sheet-gripping member with a counter sheet-supporting surface made of elastic material. The sheet-supporting surface of the sheet-gripping member is formed with a plurality of projections located in first and second rows which extend skew to one another whereby a high uniform effect is attained in holding and transferring sheets being processed in the grippers closed in a vertical direction.

Sheet gripping arrangement

A rotary printing machine has at least two successive printing stations. A self-contained aggregate is located between these printing stations and can be inserted and removed from between them as a unit. The aggregate has a transfer roller which receives sheets from one of the printing stations, one or more heaters for heating the sheets on the transfer roller, and a reversing roller which receives sheets from the transfer roller, selectively reverses them and furnishes them to the other of the printing stations.

Rotary printing machine

A printing machine receives single sheets which are removed from a stack by the suction cups of a feeding mechanism which is combined with a monitoring unit serving to detect the absence of sheets at the undersides of suction cups or the lifting of two or more sheets. The monitoring unit employs a transducer having two feelers which determine the thickness of lifted sheet material and an indicating device which is actuated by the feelers and produces signals serving to indicate the absence of sheets, the lifting of two or more sheets and/or to control the operation of the printing machine. The suction cups can form part of the transducer when the latter is designed to detect only the absence of sheets or they form part of a second transducer which is provided in addition to the first mentioned transducer.

Method and apparatus for controlled feeding of sheets to printing

Growing community of inventors

Radebeul, Germany

Helmut Schone