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Method of treating image receiving sheets and a hot melt ink jet printer employing this method

一种喷墨打印机、图像接收的技术，应用在打印装置、印刷等方向，能够解决易出现皱褶、纸张湿度梯度增加等问题，达到增加面积的效果

Inactive Publication Date: 2010-05-05
OCE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This results in increased paper moisture gradients within the print station area and is prone to wrinkling

Method used

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  • Method of treating image receiving sheets and a hot melt ink jet printer employing this method
  • Method of treating image receiving sheets and a hot melt ink jet printer employing this method
  • Method of treating image receiving sheets and a hot melt ink jet printer employing this method

Examples

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Embodiment Construction

[0019] Such as figure 1 As shown, the hot melt inkjet printer includes a frame 10 (shown in phantom only) and houses a paper magazine 12 and a paper supply system 14 adapted to supply sheets of paper 16 to a printing station 18 on the top side of the frame 10. Printing station 18, paper 16 is sucked against the flat top surface (printing surface) of perforated paper support plate 20 by vacuum system (not shown). figure 1 Movement back and forth in the direction of the plane of the drawing. Thus, by activating the printhead 24, a column of images is printed on each stroke of the carriage 22. Next, the sheet 16 is advanced a step of an appropriate length in the direction indicated by arrow A such that The next column can be printed. The discharge system 26 discharges the sheet onto a tray 28 which in the example shown holds the already printed sheet 30. The sheet support plate 20 is temperature controlled in order to control the thermal melt that has deposited on the paper. Coo...

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PUM

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Abstract

In a hot melt ink jet printer, in which sheets (16) are advanced to a print surface (20) where hot, molten ink is applied onto the sheets, the sheets, immediately before they reach the print surface (20), are heated to a first temperature that is higher than a second temperature which they will assume on the print surface, so as to prevent the sheets from cockling.

Description

technical field [0001] The invention relates to a method of processing an image receiving sheet in a hot melt inkjet printer, wherein the sheet is advanced to a printing surface where hot melt ink is applied to the sheet, and to a printer employing the method. Background technique [0002] US6196672B1 discloses a hot melt inkjet printer in which in order to accelerate heating of the sheet to a temperature ensuring proper curing of the ink a preheater is provided which preferably has a higher surface temperature than the printing surface. [0003] In printers in which sheets of paper or similar image-receiving sheets are used as recording media, the tendency of paper to wrinkle sometimes poses a serious problem. The wrinkling phenomenon is related to the fact that paper and similar materials tend to absorb moisture from the ambient air and expand and contract according to its humidity. In general, expansion and contraction are not isotropic, and are especially pronounced in ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41J2/01B41J11/00B41J13/00
CPCB41J2/17593B41J11/002B41J11/00244B41J11/0022B41J11/0021
Inventor L·T·霍特曼
Owner OCE TECH