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Plate mounting cylinder

A technology of cylinder and printing plate, applied in the field of printing plate installation cylinder, which can solve the problems of installation and high accuracy of printing plate

Inactive Publication Date: 2007-10-10
KOMORI CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When mounting the printing plate on the cylinder, in the subsequent cylinder where the printing plate is mounted on the magnetic cylinder with reference to the leading edge of the printing plate, the printing plate cannot be mounted with high accuracy

Method used

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  • Plate mounting cylinder
  • Plate mounting cylinder
  • Plate mounting cylinder

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Embodiment Construction

[0027] A plate mounting cylinder according to a first embodiment of the present invention will be described with reference to FIGS. 1 to 10A, 10B and 10C. In FIGS. 3 , 8 and 9 , hatching in the magnetic drum 26 is omitted for the sake of description.

[0028] As shown in FIG. 1, a sheet-fed rotary printing machine 1 includes: a paper feeding unit 3 (paper feeding unit) that feeds paper 2 one by one; a printing unit 4 that prints The unit 4 prints on the paper 2 sent from the paper feeding unit 3; the coating unit 5, the coating unit 5 coats the paper 2 sent from the printing unit 4 with varnish; the drying unit 6, dries Unit 6 dries the paper 2 conveyed from the coating unit 5; processing device (processing device) 7, the processing device 7 makes the paper 2 conveyed from the drying unit 6 be cut with a predetermined pattern; unit), and the delivery unit 8 receives the paper 2 conveyed from the processing device 7 .

[0029] The paper feed unit 3 has: a paper stacker 10 (pa...

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PUM

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Abstract

A plate mounting cylinder includes a magnet cylinder and not less than four reference pins. A plate is to be mounted magnetically on the outer surface of the magnet cylinder. The reference pins are provided to the outer surface of the magnet cylinder and engage with a pair of reference engaging portions formed in the plate.

Description

technical field [0001] The invention relates to a printing plate mounting cylinder on which printing plates are mounted for various types of processes on paper or a web (web), such as creases, cutting marks, embossing, printing , Coating, etc. Background technique [0002] As shown in Japanese Patent Laid-Open No. 2003-237018, a magnetic cylinder is used as a conventional plate mounting cylinder, which is arranged opposite to an impression cylinder that conveys paper. A printing plate with a cutting edge on its surface is mounted on the outer surface of a magnetic cylinder with magnets embedded in the cylinder. [0003] As shown in Japanese Patent Laid-Open No. 7-164390, a positioning jig is proposed which is attached to the surface of the magnetic cylinder when a printing plate is mounted on the magnetic cylinder. The printing plate is positioned on the magnetic cylinder by inserting the printing plate into the jig through a slit formed in the jig and abutting the leading...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41F13/08B41F13/56B41F27/02
CPCB41F27/06Y10T408/96B41F27/12Y10T408/89Y10T408/52B41F27/02Y10T408/564
Inventor 大泽伸
Owner KOMORI CORP