Printing tower for rotary offset printing machine

A technology of printing towers and printing machines, applied in the field of printing towers, can solve problems such as inability to obtain printing units

Inactive Publication Date: 2013-04-24
GOSS INTERNATIONAL LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] This assembly does not make it possible to obtain a tower printing unit that is compact in height and provides easy access for relevant operators to carry out maintenance operations on the printing unit

Method used

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  • Printing tower for rotary offset printing machine
  • Printing tower for rotary offset printing machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] as in figure 1 As shown in , the offset rotary printing press 2 comprises a printing tower 4 for the offset printing of a continuous web 6 , in particular a paper web.

[0018] Only one printing tower 4 is shown. A rotary printing press 2 typically includes a plurality of printing towers, each capable of printing a web. Downstream of the printing tower, the rotary printing press 2 generally comprises an ensemble of printed web assemblies capable of ensuring longitudinal and / or transverse joining, folding and cutting of the webs, in order to provide booklets or collations on output. Upstream of the printing tower, the rotary printing press 2 generally includes an integrated device for the reeling of the belt.

[0019] The printing tower 4 comprises four vertically stacked printing units 8A, 8B, 8C, 8D. In practice, each printing unit 8A, 8B, 8C, 8D is used to print a color on the belt 6 . Commonly used colors are usually: black, cyan, magenta, and yellow.

[0020] T...

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PUM

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Abstract

The tower (4) has four print units (10) that are vertically superimposed, where each print unit includes a form cylinder (12) or a cylinder plate carrier, and a transfer cylinder (14) or a cylinder strainer that are associated with each other. Each print unit is arranged according to a specific configuration in which an axis of the form cylinder is shifted vertically downward with regard to axis of the transfer cylinder. Two print units are arranged in a particular configuration, and other print units are arranged according to another configuration.

Description

technical field [0001] The invention relates to a printing tower for an offset rotary printing press, a printing tower of the type comprising four vertically stacked front / reverse printing units for printing a continuous web; each printing unit comprises two printing units, each set of said printing units comprising plate-making cylinders and associated transfer cylinders, the transfer cylinders of the two sets of printing units arranged against each other, each printing unit assembled as the axis of the plate-making cylinders of each set of printing units of the printing unit An "n" shaped structure in which the axis of the plate-making cylinder of each set of printing units assembled into a printing unit moves vertically towards the bottom relative to the axis of the associated transfer cylinder, or an "n" whose axis moves vertically towards the top relative to the axis of the associated transfer cylinder U" shaped structure. Background technique [0002] US2008 / 0121125 d...

Claims

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Application Information

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IPC IPC(8): B41F7/02
CPCB41F7/12B41P2217/11B41F13/193
Inventor 迪迪埃·伊夫·盖伊·哈佛菲利浦·勒沙特
Owner GOSS INTERNATIONAL LLC
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