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Device for combining several printed webs

A technology for substrates and formats, applied in the directions of sending objects, transporting and packaging, folding thin materials, etc., can solve problems such as plate registration errors and offsets, and achieve the effect of low cost

Inactive Publication Date: 2007-03-21
M A N ROLAND DRUCKMASCHINEN AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Too low a web tension for the funnel and cover webs can cause these webs to shift in the area between the last printing unit and the folding unit, resulting in registration errors

Method used

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  • Device for combining several printed webs

Examples

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Embodiment Construction

[0012] The figure shows the upper region of a folding mechanism 1 . Usually, a plurality of folding formers are arranged across the width of the folding mechanism 1, one of which, one folding former 2, can be seen in the drawing. The folding former is usually fastened in an adjustable manner on a cross member 3 that runs continuously over the width of the folding mechanism 1 .

[0013] A web web 4 formed from a plurality of webs stacked on top of one another is fed to the folding former 2 . The aforementioned web can be a printing material web from an upstream printing unit. In the exemplary embodiment shown, six printing material webs 5 to 10 are assembled to form a six-layer web web 4 . The lowermost web of the web web 4 sliding on the hinge former 2 is called the funnel web, while the opposite uppermost web is called the cover web. The format between the two is called the intermediate format.

[0014] A so-called guide web 11 arranged in front of the folding former 2 is...

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Abstract

An apparatus and method for combining a plurality of printing material webs to form a multi-layer strand is disclosed. In an apparatus for combining a plurality of printing material webs to form a multi-layer strand, having a wire guide formed by deflection rolls assigned to the individual printing material webs, it is possible to achieve reliable tensioning of the former and top webs and to ensure high accuracy in that the two deflection rolls forming the outlet from the wire guide can be driven.

Description

technical field [0001] The invention relates to a device for merging a plurality of printing material webs into a multi-layer web web, which has a guide web formed by deflection rollers assigned to the individual printing material webs. Background technique [0002] As a rule of thumb, the so-called funnel webs and cover webs run into the hinge formers with a lower tension than the middle web, ie the funnel webs and cover webs have a tendency to relax in front of the fold formers. The thicker the web, the stronger this phenomenon is. Contrary to the middle web, it is precisely the funnel web and the cover web that are printed in multiple colors and correspondingly elongated more than the middle web, so that the web tension is further reduced and the aforementioned tendency is thus intensified. Too low a web tension for the funnel and cover webs can cause these webs to shift in the area between the last printing unit and the folding unit, resulting in registration errors. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65H39/16B65H45/08
CPCB65H45/221
Inventor K·泰拉克
Owner M A N ROLAND DRUCKMASCHINEN AG
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