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Liquid drop spray head and ink-jet recording apparatus

A liquid droplet jetting and spraying liquid technology, which is applied in the direction of liquid variable displacement machinery, printing, machine/engine, etc., can solve the problems of cost increase and complicated manufacturing process, and achieve the reduction of diffusion, the dispersion of prevention performance, and the stability of liquid droplets Effect of Jetting Performance

Inactive Publication Date: 2003-03-19
RICOH KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to form a larger number of pressurized liquid chambers 114 without dispersion, the manufacturing process becomes complicated, therefore, various devices need to be improved, and the cost may increase

Method used

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  • Liquid drop spray head and ink-jet recording apparatus
  • Liquid drop spray head and ink-jet recording apparatus
  • Liquid drop spray head and ink-jet recording apparatus

Examples

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Embodiment Construction

[0085] With reference to the attached Figures 7 to 27 , an explanation will be given.

[0086] First, refer to the attached Figures 7 to 11 A first embodiment of the present invention will be described. Figure 7 is an exploded perspective view of the ink jet head of the first embodiment of the liquid jet head of the present invention. Figure 8 is a sectional view along the long side direction of the liquid chamber of the ink jet head of the first embodiment of the liquid jet head of the present invention. Figure 9 for figure 2 Enlarged view of the portion shown. Figure 10 is a sectional view along the short side direction of the liquid chamber of the ink jet head of the first embodiment of the liquid jet head of the present invention. Figure 11 It is a partially enlarged perspective view of the ink jet head of the first embodiment of the liquid jet head of the present invention.

[0087] The inkjet head includes a channel forming substrate (liquid substrate), a v...

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PUM

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Abstract

A liquid drop jet head includes a nozzle, a liquid room, a vibration board forming a wall surface of the liquid room, driving means, a support substrate to which an end part of the driving means is connected without connecting to the vibration board, and a gap between the support substrate and the vibration board at a position corresponding to a partition of the liquid room, wherein the vibration board comprises a thin part and a thick part and the area of the thin part is divided by the thick part with which the driving means comes in contact.

Description

technical field [0001] The present invention relates to a droplet ejection head and an inkjet recording device. Background technique [0002] The ink jet recording device is used as an image recording device or an image forming device such as a printer, facsimile machine, copier or plotter. The inkjet head is used in an inkjet recording device as a droplet ejection head. The inkjet head includes a nozzle, a liquid chamber, and a driving device (pressure generating device). Ink droplets are ejected through the nozzles. The nozzle is connected to the liquid chamber. This liquid chamber is called a pressurized liquid chamber, a pressure chamber, an ejection chamber or an ink channel. The ink in the liquid chamber is pressurized by the driving means (pressure generating means). Ink droplets are ejected from the nozzles due to the pressure generated in the liquid chamber by the pressure generating means. Although there are several types of droplet ejection heads such as a d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J2/14F04B43/04
CPCF04B43/046B41J2/14274B41J2002/14411
Inventor 江口裕俊松本修三尾方贤一山口清日吉隆之新行内充楠雅统
Owner RICOH KK