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Fixing device and image forming apparatus having the same

A technology of imaging equipment and fixing belt, applied in the field of fixing device and imaging equipment, can solve problems such as prolonged warm-up time

Inactive Publication Date: 2007-01-17
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the synthetic resin and rubber of the elastic layer, the thick metal pipe, etc. have a large heat capacity, the warm-up time for heating the fixing device to a predetermined high temperature is prolonged

Method used

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  • Fixing device and image forming apparatus having the same
  • Fixing device and image forming apparatus having the same
  • Fixing device and image forming apparatus having the same

Examples

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Embodiment Construction

[0026] Reference will now be made in detail to embodiments of the invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout. The embodiments are described below in order to explain the present invention by referring to the figures.

[0027] figure 1 is a side sectional view showing a monochrome electrophotographic type image forming apparatus 100 according to an embodiment of the present invention. The image forming apparatus 100 includes a printing unit that transfers a toner image onto a printing medium P, and a fixing device 175 that fixes the toner image. The printing unit includes an image forming apparatus main body 101 , a light scanning unit 110 and a developing cartridge 120 .

[0028] The light scanning unit 110 scans light L corresponding to image information onto the photosensitive element 130 and forms an electrostatic latent image on the outer circumferential surface of the photo...

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PUM

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Abstract

A fixing device and an image forming apparatus including the fixing device includes a core pipe which is made to be thin to a predetermined thickness or less and having a strength that increases while being aging-treated based on the use time of the fixing device, and a fixing belt to enlarge a fixing. Thus, a warming-up time is shortened, a print speed increases, and a fixing quality is improved.

Description

technical field [0001] The present invention relates to a fixing device and an image forming apparatus including the fixing device, and more particularly, to a fixing device that fixes a toner image transferred to a printing medium by applying heat and pressure to the printing medium, and includes the The image forming device of the fixing unit. Background technique [0002] In general, electrophotographic type image forming apparatuses such as printers, copiers, and multifunction printers include a fixing device that fixes toner images transferred onto printing media such as paper and OHP films by high temperature and high pressure. The heating roller heats the printing medium to a temperature required to fix the toner image on the printing medium. The pressure roller that presses and contacts the heat roller presses the print medium with the pressure required to fix the toner image. A fixing nip having a predetermined length is formed at a position where the heating roll...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03G15/20G03G15/00
CPCG03G2215/208G03G2215/2009G03G15/2057G03G15/2053G03G15/206G03G2215/2016
Inventor 薛东辰
Owner SAMSUNG ELECTRONICS CO LTD