Patent · US Expired

Device for turning over sheets in rotary presses

US4723489A · kind A · utility

13Cited by

5References

4Claims

0Family size

Assignee

MAN Roland Druckmaschinen AG · DE

Inventors

Helmut Emrich · Offenbach am Main, DE
Paul Abendroth · Offenbach am Main, DE

Key dates

Filing date	Sep 15, 1986
Grant date	Feb 9, 1988
Priority date	—
Expiry date	Sep 15, 2006

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB41F21/108
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A device for turning over sheets in rotary presses of in-line construction, in which the impression cylinders of consecutive printing units cooperate with a single double-size transfer drum with which a storage drum is associated and gripper transfer facilities are provided which consist of cooperating rows of clamping grippers including fixed-position first-printing grippers cooperating with clamping grippers of the storage drum for turning the sheet over at the transfer drum, second-printing grippers which are adjustable with respect to the sheet format, and smoothing devices adjustable with respect to the sheet end are disposed after the clamping grippers on the storage drum as viewed in the direction of rotation.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.