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Printer

A technology for printing machines and printing paper, which is applied to printing machines, general parts of printing machines, etc. It can solve the problems of difficult maintenance of the air supply part and cylinder maintenance, and achieve the effect of easy maintenance and accelerated drying

Inactive Publication Date: 2009-02-04
MITSUBISHI HEAVY IND LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, there is a problem that maintenance of the above-mentioned drum is difficult because the above-mentioned drum is always covered by the blower unit.
Since the blower unit cannot be taken out, there is also a problem that maintenance of the blower unit is difficult

Method used

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no. 1 approach

[0041] Next, a planographic printing press according to a first embodiment of the present invention will be described with reference to FIGS. 1 to 4 .

[0042] FIG. 1 is a cross-sectional view illustrating the configuration of a planographic printing machine according to the present embodiment.

[0043] A planographic printing machine (hereinafter simply referred to as "printing machine") 1 in this embodiment is a perfecting printing machine that prints on the front and back of a sheet (printing paper) P, which is a material to be printed. The printing machine 1 includes: a paper feeder 3 for supplying a paper sheet P, which is a material to be printed, from the upstream side to the downstream side; a plurality of printing units 5a for printing on the surface of the paper sheet; A plurality of printing units 5b and a paper discharge device 7 for printing on the back side of the opened paper.

[0044] The paper feeding device 3 is a device that feeds stacked sheet-like printed...

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PUM

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Abstract

A printing press capable of expediting the drying of ink printed on a sheet and facilitating maintenance is provided. The printing press is characterized by including: an impression cylinder (17) for transferring ink onto printing paper (P) during transport of the printing paper (P) therethrough; an transfer cylinder (18) for transporting the printing paper (P) on which the ink has been transferred; a drying part (51) for drying the ink transferred on the printing paper (P); and a support part (53) for supporting the drying part (51) so that it can rotate around a rotation axis extending parallel to the rotation axis of the impression cylinder (18), thereby bringing the drying part (51) close to and away from the impression cylinder (17).

Description

technical field [0001] The invention relates to a printing machine, in particular to a lithographic printing machine for printing open paper (sheet paper). Background technique [0002] In existing lithographic printing machines, it takes one night to dry the printed ink on the printed sheet. The dried paper enters the subsequent process, such as cutting. [0003] However, in recent years, there has been a demand for cutting and the like after folio printing, and it is increasingly necessary to have a dryer for drying ink after printing in offset printing machines. [0004] Therefore, in order to meet the above-mentioned requirements, a planographic printing machine equipped with a dryer for drying ink has been proposed (for example, refer to Patent Document 1). [0005] Patent Document 1: Japanese Patent Laid-Open No. 2005-125739 [0006] The aforementioned Patent Document 1 discloses a configuration of a lithographic printing machine including a dryer having a concave-s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41F23/04
CPCB41F23/044
Inventor 三轮敏雄
Owner MITSUBISHI HEAVY IND LTD