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Application apparatus having cleaning mechanism, method for cleaning application apparatus and cleaning mechanism for use in application apparatus

A coating device and cleaning mechanism technology, which is applied to the surface coating liquid device, spray device, coating, etc., can solve the problems of damaging the coating surface and taking time to dry

Active Publication Date: 2010-12-08
TOPPAN PRINTING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, when the piping is a resin pipe as described above, or a metal pipe whose internal surface is coated with fluororesin or silicone, there is a problem that the coating surface is damaged by cast iron, or the resin The unevenness on the surface makes it easier for the coating liquid to adhere
At the same time, since the water replacement treatment is performed at the end, there is also a problem that it takes time to dry, etc.

Method used

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  • Application apparatus having cleaning mechanism, method for cleaning application apparatus and cleaning mechanism for use in application apparatus
  • Application apparatus having cleaning mechanism, method for cleaning application apparatus and cleaning mechanism for use in application apparatus
  • Application apparatus having cleaning mechanism, method for cleaning application apparatus and cleaning mechanism for use in application apparatus

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Embodiment Construction

[0036] Embodiments of the present invention will be described below with reference to the drawings.

[0037] Figure 1 to Figure 5 A coating system 1 of an embodiment of the present invention is disclosed. The coating system 1 is suitable for coating components requiring high-precision and high-precision coating, such as color filters, liquid crystal materials, heat-sensitive recording materials, and transdermal preparations, for example.

[0038] Such as figure 2 As shown, the coating system 1 has a coating device 2 and a cleaning mechanism 3 . The cleaning mechanism 3 has a cleaning unit 4 and a drying unit 5 . The coating device 2 has a tank 6, a filter 7, a supply pump 8, a die 9, a tray 10, a waste liquid tank 11, and first to third pipes 12-14. In addition, the piping 14 may not be present. At this time, the terminal of the pipe 13 is connected to the die.

[0039] The storage tank 6 stores a coating liquid for coating. The storage tank 6 is connected to the suct...

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PUM

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Abstract

An application apparatus (1) which comprises a cleaning mechanism (3) having a piping (12 to 14) in which an application fluid flows, a die head (9) provided in the piping (12 to 14) and a plurality of solvent tanks (22a to 22d) for storing solvents of types different from one another. The cleaning mechanism (3) supplies solvents stored in the above solvent tanks (22a to 22d) to the above piping (12 to 14), in such a manner that a solvent compatible with the above application fluid is first supplied and then it is gradually changed to a solvent having a higher detergency, to thereby clean theinside of the piping (12 to 14) and the inside (9a, 9b) of the die head (9).

Description

technical field [0001] The present invention relates to a coating device having a cleaning mechanism for cleaning piping and a die-head through which a coating liquid flows, and a cleaning method for cleaning the coating device. Furthermore, the present invention also relates to a cleaning mechanism that supplies a cleaning solvent to the coating device when cleaning the coating device. Background technique [0002] Conventionally, when using a coating device for coating, gravure coat, roll coat, slide coat, and curtain coat can be used depending on the application. Various methods such as extrusion coating (extrusion coat). Among them, extrusion coating, curtain coating and slide coating can carry out relatively stable high-quality coating at high speed. [0003] When coating in these ways, a die with a slit nozzle is generally used. The die head is connected to a tank storing the coating liquid through piping. In the middle of the piping, a pump for sending the coating...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B05C11/10B05C5/02B05D3/10
CPCB05C5/02B05B15/025B05C11/10B05C11/1036B05B15/55B05D3/10
Inventor 恩田光弘神永纯一赤尾壮介
Owner TOPPAN PRINTING CO LTD