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Fluid supplying apparatus, fluid ejecting apparatus, and fluid supplying method

A fluid supply and fluid ejection technology, applied in the field of fluid supply devices, can solve the problems of decreased printing quality, uneven ink supply, deviation of ink ejection amount, etc.

Active Publication Date: 2008-12-17
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, ink supply unevenness occurs between the recording heads 64, which will cause a deviation in the ink ejection amount between the recording heads 64, and there is a problem that the printing quality is reduced accordingly.

Method used

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  • Fluid supplying apparatus, fluid ejecting apparatus, and fluid supplying method
  • Fluid supplying apparatus, fluid ejecting apparatus, and fluid supplying method
  • Fluid supplying apparatus, fluid ejecting apparatus, and fluid supplying method

Examples

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Embodiment Construction

[0034] Below, combined with Figure 1~ image 3 A specific embodiment of the present invention will be described.

[0035] FIG. 1 shows a schematic front cross-sectional view of an ink jet recording device as a fluid ejecting device.

[0036] An inkjet recording device (hereinafter referred to simply as a printer 11 ) as a fluid ejecting device is a line printer including a line jet head 12 capable of printing over the entire area of ​​the maximum paper width. In the box-shaped main body casing 11A of the upper side opening, for example, four (only two are shown in Fig. 1 ) drive shafts 13 (screw shafts) are vertically arranged, and the screw holes passing through the four corners are connected with the four drive shafts. On the ejection head holding member 14 (supporting frame) that the drive shaft 13 is screwed, a plurality of recording heads 15 (unit heads) are supported. The width direction Y is arranged in two columns (refer to image 3 ). One of the four drive shafts ...

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PUM

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Abstract

The invention provides a fluid supplying apparatus, a fluid ejecting apparatus and a fluid supplying method. In an ink supplying mode with water level pressure, each supply of the supplied fluid from a fluid accepting body to a fluid supply opening of a fluid ejector can be controlled. In the fluid supplying apparatus, a plurality of ink supply pipes (26) extended from an ink supplying source of a same color, namely an ink box (25Y) (fluid accepting body) are branched into a plurality of (such as three or four) branch pipe portions (26B) in the way, each branch pipe portion (26B) being connected with the connecting portion (15C) of each recording head (15) composing a line type ejector (12).

Description

technical field [0001] The present invention relates to a fluid supply device for supplying fluid to a fluid ejection head of the fluid ejection device, a fluid ejection device, and a fluid supply method, which are mounted and used in a fluid ejection device such as an inkjet printer. Background technique [0002] For example, Patent Document 1 discloses an ink supply device in which a flow path extends from the main storage tank (fluid storage body), and branch paths branched from the flow path are respectively connected to a plurality of fluid ejection heads. . In this ink supply device, ink as a fluid is supplied from a main storage tank and supplied to each unit head constituting a recording head. In addition, this fluid supply path is an ink circulation method in which the ink sent from the main storage tank is returned to the main storage tank again. In addition, many inkjet printers employ a non-circulation system (one-way supply system) in which ink supplied from t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J2/175
Inventor 高桥宣仁
Owner SEIKO EPSON CORP