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Flange for magnetic roller, magnetic roller and manufacturing method thereof

A manufacturing method and flange technology, which are applied in the direction of electric recording process applying charge pattern, equipment and instrument of electric recording process applying charge pattern, etc. Spilled, characteristically stable effects

Active Publication Date: 2020-12-01
TDK CORPARATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, when the adhesive is applied to the flange and the front end part of the flange is inserted into the sleeve, the adhesive is pushed toward the end of the flange through the inner wall or the open end face of the sleeve, Spills from the flange at the end of the flange
In this case, a process of removing the overflowed binder is required, and if the binder is not removed, the characteristics of toner adsorption are deteriorated due to the binder overflowed on the surface of the sleeve, resulting in image failure. s reason

Method used

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  • Flange for magnetic roller, magnetic roller and manufacturing method thereof
  • Flange for magnetic roller, magnetic roller and manufacturing method thereof
  • Flange for magnetic roller, magnetic roller and manufacturing method thereof

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Embodiment Construction

[0044] Hereinafter, a flange for a magnet roller (hereinafter, simply referred to as a flange), a magnet roller, and a method of manufacturing the same according to the embodiment will be described. In addition, the same symbols are used for the same elements, and overlapping descriptions are omitted. In addition, set the XYZ three-dimensional orthogonal coordinate system, set the long side direction of the sleeve as the Z axis (rotation axis of the magnetic roller) direction, and set the two directions perpendicular to the Z axis as the X axis and the Y axis .

[0045] figure 1 is a schematic perspective view of the magnet roller 10 according to the embodiment of the present invention, figure 2 and image 3 respectively figure 1 The illustrated magnet roller 10 is a cross-sectional view along line II-II and a cross-sectional view along line III-III.

[0046] Such as Figure 1 ~ Figure 3 As shown, the magnetic roller 10 is composed of a long cylindrical aluminum sleeve ...

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PUM

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Abstract

The utility model relates to a magnetism is flange and magnetism roller for roller, it provides the magnetism that can provide stable characteristic to the magnetism roller flange, magnetism roller for. Human resource and material resources can be saved in a large quantity, contact in the 1st outer peripheral face (F1) of telescopic inner peripheral surface, contact in the 2nd outer peripheral face (F2) of telescopic inner peripheral surface, formed at the 1st slot part (G1) between the 1st outer peripheral face (F1) and the 2nd outer peripheral face (F2) and the 2nd slot part (G2) and the protruding portion (P1) between the 1st slot part (G1) and the 2nd slot part (G2).

Description

technical field [0001] The present invention relates to a magnetic roller, a flange for the magnetic roller, and a method for manufacturing the magnetic roller used in electrophotographic developing devices such as copiers, facsimiles, and printers. Background technique [0002] Conventionally, as a magnet roller used in an electrophotographic developing device or the like, for example, the following Patent Document 1 discloses a magnet roller including: a magnet (magnet) with a plurality of magnetic poles formed on its surface ; a cylindrical sleeve enclosing the magnet; and a flange inserted into the inside from the open end surface of the sleeve to block them. [0003] In such a magnet roller, only the outer peripheral sleeve is rotated while the shaft of the magnet roller is fixed. Then, the developer contained in a predetermined developer container is sucked up on the pumping area, adsorbed on the surface of the sleeve, and the developer is triboelectrically charged by...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03G15/08
CPCG03G15/0817
Inventor 井上和彦井出顺一
Owner TDK CORPARATION