US 6,662,724 B2Granted

Method for transporting a sheet

AssigneeKoenig & Bauer Aktiengesellschaft

InventorsGerald Josef Reinhard, Johannes Georg Schaede

Life of this patent

Estimating the term…

Abstract

A sheet processing device is provided in a sheet-fed printing press. Sheets are conveyed to a sheet transport cylinder and are processed on the sheet transport cylinder. The sheets are each removed twice from the sheet transport cylinder.

Claims2

Dependent claims

A method for conveying sheets in a sheet processing machine including:

providing at least one processing and conveying cylinder in said sheet processing machine;
feeding a sheet to be processed to said processing and conveying cylinder;
conveying said sheet in a production direction along a first distance on said processing and conveying cylinder;
forming an image on a first side of said sheet on said processing and conveying cylinder;
removing said sheet from said processing and conveying cylinder at a first location on said processing and conveying cylinder;
providing a sheet inspection device having a COD area camera;
delivering said sheet to said sheet inspection device and inspecting said image formed on said first side of said sheet by said processing and conveying cylinder in said sheet inspection device;
returning said inspected sheet from said sheet inspection device to said processing and conveying cylinder at a second location on said processing and conveying cylinder after, in said production direction, said first location;
providing a signal from said sheet inspection device resulting from inspecting said image formed on said first side sheet in said sheet inspection device;
providing at least one Processing cylinder after, in said production direction, said second location;
and
processing a second side of said sheet by one of printing and numbering said second side of said sheet on said processing and conveying cylinder by using said at least processing cylinder in accordance with said signal from said sheet inspection device.

9 more elements

Dependencies are inferred from the claim text.

Facts

Application: 10/000,125Filed 4 Dec 2001 · division
Priority: DE 198 05 92013 Feb 1998
Published: US 2002/0035942 A128 Mar 2002
Granted: 16 Dec 2003
Term ends: Not estimatedThe source records don’t support an estimate.

Classification5 codes

B41F 13/0032
Common details of rotary presses or machines: auxiliary numbering devices
B41F 21/00
Devices for conveying sheets through printing apparatus or machines
B41F 23/08
Devices for treating the surfaces of sheets, webs, or other articles in connection with printing: print finishing devices, e.g. for glossing prints
B41F 33/0036
Indicating, counting, warning, control or safety devices: devices for scanning or checking the printed matter for quality control

Family

Application09/600,880Parent of this division · filed 19 Sep 2000
US 6,332,398 B1Parent of this division · filed 25 Dec 2001
US 2002/0035942 A1Pre-grant publication · published 28 Mar 2002
US 6,662,724 B2This patent

From the US filing history. Foreign family members aren’t listed.

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Abstract

Facts

Application

10/000,125Filed 4 Dec 2001 · division

Priority

DE 198 05 92013 Feb 1998

Published

US 2002/0035942 A128 Mar 2002

Granted

16 Dec 2003

Term ends

Not estimatedThe source records don’t support an estimate.

Classification5 codes

B41F 13/0032
Common details of rotary presses or machines: auxiliary numbering devices
B41F 21/00
Devices for conveying sheets through printing apparatus or machines
B41F 23/08
Devices for treating the surfaces of sheets, webs, or other articles in connection with printing: print finishing devices, e.g. for glossing prints
B41F 33/0036
Indicating, counting, warning, control or safety devices: devices for scanning or checking the printed matter for quality control