Coating device and coated sheet production method
A technology for coating devices and sheets, which is applied to devices for coating liquids on surfaces, coatings, etc., can solve problems such as the inability to completely suppress the deterioration of ink quality.
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no. 1 example
[0039] [Coating device]
[0040] figure 1 and figure 2 The coating device shown mainly includes an assembly (advancing assembly 1) for advancing the strip-shaped sheet S in the longitudinal direction, and an assembly (coating assembly 1) for coating the surface of the strip-shaped sheet S with ink while the strip-shaped sheet S is traveling. 2) and a component that supplies ink to the coating component 2 (supply component 3). The coating device is used to form a coating film F of ink on the surface of the sheet S in the form of a strip.
[0041] The coating assembly 2 includes a slot-type coating head 4 arranged above the strip-shaped sheet S in such a manner as to straddle the strip-shaped sheet S in the width direction. The slot-type coater head 4 includes an ink storage portion P that becomes wider toward the strip-shaped sheet S in a cross-sectional view, and an ink supply path L that communicates with an upper portion of the ink storage portion P. As shown in FIG.
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no. 2 example
[0104] [Coating device]
[0105] Figure 4 The coating device shown mainly includes an assembly (advancing assembly 1) for advancing the strip-shaped sheet S in the longitudinal direction, and an assembly (coating assembly 1) for coating the surface of the strip-shaped sheet S with ink while the strip-shaped sheet S is traveling. 2a) and a component that supplies ink to the coating component 2a (supply component 3).
[0106] The coating assembly 2a includes a slot-type coating head 4a disposed above the strip-shaped sheet S in a manner to straddle the strip-shaped sheet S in the width direction. The slot-type coating head 4 a includes an ink storage portion P that widens toward the strip-shaped sheet S in cross-sectional view, and a slit-shaped ink supply path L communicating with an upper portion of the ink storage portion P.
[0107] Figure 4 The travel assembly 1 and the supply assembly 3 of the coating device shown with figure 1 The travel assembly 1 and supply assemb...
no. 3 example
[0127] Figure 5 The coating device shown mainly includes an assembly (advancing assembly 1) for advancing the strip-shaped sheet S in the longitudinal direction, and an assembly (coating assembly 1) for coating the surface of the strip-shaped sheet S with ink while the strip-shaped sheet S is traveling. 2b) and a component that supplies ink to the coating component 2b (supply component 3).
[0128]The coating assembly 2b includes a slot-type coating head 4b disposed above the strip-shaped sheet S in a manner to straddle the strip-shaped sheet S in the width direction. The slot-type coater head 4b includes an ink storage portion P that widens toward the belt-shaped sheet in cross-sectional view, and a slit-shaped ink supply path L communicating with an upper portion of the ink storage portion P.
[0129] Figure 5 The travel assembly 1 of the coating device shown is with figure 1 The travel assembly 1 of the coating device shown is identical. Except that the nozzle 10 is c...
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Abstract
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