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Apparatus for the transport of web-like material

A technology of width and control device, which is applied in the directions of folding thin materials, transportation and packaging, winding strips, etc., and can solve the problems of damage to the pressure roller and wear of the pressure roller.

Inactive Publication Date: 2007-03-28
M A N ROLAND DRUCKMASCHINEN AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The consequence of this is that the associated pressure rollers wear on the driven folder nip rollers, resulting in flattening of the pressure rollers and thus destruction of the pressure rollers

Method used

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  • Apparatus for the transport of web-like material
  • Apparatus for the transport of web-like material
  • Apparatus for the transport of web-like material

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0018] FIG. 1 shows a folding former 2 arranged in the upper region of the upper part 1 of a folding mechanism, to which a web is fed, which consists of a plurality of webs stacked one above the other, The panels come from an upstream printing press, not shown here in detail. For this purpose, the individual webs coming from the printing press run over a so-called guide wire consisting of a plurality of feed rollers 3 , behind which guide rollers 4 and folding devices 5 are arranged. The folding device 5 includes a folding nip roller 7 that is driven continuously over the entire machine width by means of an associated drive motor 6 and a pressure roller 8 (roller) that can be attached to the folding nip roller. ). The pressure roller 8 is mounted in a freely rotatable manner and is driven solely by friction.

[0019] The pressure rollers 8 can be in contact with the respective associated folding nip rollers 7 or can be cut off from them. All or selected pressure rollers 8 a...

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PUM

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Abstract

An apparatus for the transport of web-like material, in particular printed webs or packets of printed webs fed from a fold former positioned downstream of a printing machine with a roll that can be driven and against which pressure-application rolls can be adjustably pressed is disclosed. A high degree of working and operational security can be achieved by arranging that the pressure-application rolls are carried by a relevant assigned position-setting assembly which exhibits at least one actuating element capable of receiving an impulse from a pressure-applying agent, where the impulse from the pressure-applying agent can be controlled according to a pre-settable timing sequence by a control device.

Description

technical field [0001] The invention relates to a device for conveying web-like material, in particular a substrate web or a sheet of substrate web fed to a former arranged behind a printing press, which has a drivable roller for pressing Rollers can rest on it. Background technique [0002] The pressure roller forms a pull-in gap with the driven folder nip roller. Therefore it is necessary to take measures to effectively prevent the danger of finger pinching. In known constructions, a respective protective cover is also assigned to the pressure rollers for this purpose. This though provides enough protection against finger pinching hazards. The disadvantage, however, is that the protective cover prevents a free view of the infeed gap and the conveyed web material. Furthermore, it is particularly disadvantageous that the gap between the protective hood and the pressure roller becomes blocked, which leads to the pressure roller being jammed. Experience has shown that whe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65H20/02B65H26/00B65H45/08
CPCB65H2404/1441B65H20/02
Inventor K·泰拉克K·维克斯勒
Owner M A N ROLAND DRUCKMASCHINEN AG
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