WO2021181968A1 - Filière à fente - Google Patents

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Publication number
WO2021181968A1
WO2021181968A1 PCT/JP2021/004368 JP2021004368W WO2021181968A1 WO 2021181968 A1 WO2021181968 A1 WO 2021181968A1 JP 2021004368 W JP2021004368 W JP 2021004368W WO 2021181968 A1 WO2021181968 A1 WO 2021181968A1
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WO
WIPO (PCT)
Prior art keywords
coating liquid
manifolds
discharge port
slit die
slit
Prior art date
Application number
PCT/JP2021/004368
Other languages
English (en)
Japanese (ja)
Inventor
栗秋　武史
賢司 北島
敦 渡邉
和紀 前田
一茂 中島
Original Assignee
東レエンジニアリング株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 東レエンジニアリング株式会社 filed Critical 東レエンジニアリング株式会社
Priority to CN202180019597.2A priority Critical patent/CN115279503A/zh
Priority to KR1020227026638A priority patent/KR20220149512A/ko
Publication of WO2021181968A1 publication Critical patent/WO2021181968A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0254—Coating heads with slot-shaped outlet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present invention relates to a slit die for applying a coating liquid to a base material.
  • the base material sent by roll-to-roll is coated with a coating liquid from the discharge port of the die to manufacture battery plates and the like.
  • the thickness of the coating film formed on the base material directly affects the charge / discharge amount of the battery, so it is very important to control the film thickness of the coating liquid to be applied to the base material. It becomes. That is, the coating liquid needs to be applied with a uniform thickness along the width direction and the feeding direction of the base material.
  • Patent Document 1 describes a configuration in which the occurrence of coating streaks is suppressed by dispersing local flow velocity fluctuations, and the thickness of the coating film formed on the substrate is made uniform.
  • Patent Document 1 Japanese Patent No. 6425776
  • An object of the present invention is to solve the above problems and to coat a coating film having good quality and uniform thickness.
  • the present invention is a slit die that discharges a coating liquid onto a base material.
  • Each is a space for storing the coating liquid, and there are multiple manifolds provided in the width direction, A plurality of coating liquid supply ports for supplying coating liquid to the plurality of manifolds, respectively.
  • a single discharge port that is connected to the plurality of manifolds via a slit that is wide in the width direction and discharges the coating liquid to the base material.
  • the shim is characterized in that it has end protrusions extending to the discharge port at both ends of the slit die and intermediate protrusions extending from each manifold in the direction of the discharge port between the manifolds. It provides a slit die to be used.
  • the intermediate protrusion may have a tapered shape in the width direction in which the width becomes narrower toward the discharge port.
  • the coating liquids in the plurality of manifolds easily merge near the front of the discharge port, and a stable coating film can be applied.
  • the widthwise taper shape of the intermediate protrusion may be a shape in which the inclination starts from the inside of the manifold in the discharge port direction.
  • the coating liquids in the plurality of manifolds can be more easily merged in the vicinity of the front of the discharge port, and a stable coating film can be applied.
  • the widthwise taper shape of the intermediate protrusion may be a stepped shape.
  • the intermediate protrusion may have a thickness-direction taper shape in which the thickness decreases toward the discharge port.
  • the coating liquids in the plurality of manifolds can be more easily merged in the vicinity of the front of the discharge port, and a stable coating film can be applied.
  • a plurality of the coating liquid supply ports may be provided for each of the manifolds, and the plurality of coating liquid supply ports in one manifold may be configured such that the flow rate ranges of the supplied coating liquids are different from each other.
  • the adjustment range of the coating liquid flow rate can be widened, and a uniform coating film can be applied.
  • Example 1 of the present invention It is a figure explaining the slit die in Example 1 of this invention. It is a view of arrow a in Example 1 of this invention.
  • Example 1 of the present invention (a) is a view taken along the arrow b, and (b) is a plan view of the shim 15.
  • Example 2 of the present invention (a) is a view taken along the arrow b, and (b) is a plan view of the shim 115.
  • Example 3 of the present invention (a) is a view taken along the arrow b, and (b) is a plan view of the shim 215.
  • Example 4 of the present invention (a) is a view taken along the arrow b, and (b) is a plan view of the shim 315. It is a view of arrow a in Example 5 of this invention.
  • FIG. 1 is a diagram illustrating a slit die according to a first embodiment of the present invention.
  • FIG. 2 is a view taken along the line a in Example 1 of the present invention.
  • 3A and 3B are a view taken along the line b in Example 1 of the present invention, and
  • FIG. 3B is a plan view of the shim 15.
  • the slit die 1 in the first embodiment is for applying the coating liquid 3 to the base material 2 sent by roll-to-roll.
  • the coating liquid 3 is coated with a uniform thickness (uniform coating amount) along the feeding direction MD of the base material 2.
  • the width direction TD of the base material 2 is a direction orthogonal to the feed direction MD of the base material 2, and the Y-axis direction in FIG. 1 corresponds to this.
  • the slit die 1 is formed long along the width direction of the base material 2, and the coating liquid 3 is supplied to the slit die 1 from the supply means 20.
  • the longitudinal direction (Y-axis direction in FIG. 1) is referred to as the width direction TD.
  • the roller 5 facing the slit die 1 is installed, and the width direction of the slit die 1 and the direction of the rotation center line of the roller 5 are parallel.
  • the base material 2 is guided by the roller 5, and the distance (gap) between the base material 2 and the slit die 1 is kept constant, and the coating liquid 3 is applied in this state.
  • the slit die 1 sandwiches a shim plate 15 between a first split body 13 having a tapered first lip 13a and a second split body 14 having a tapered second lip 14a.
  • FIG. 2 is a cross-sectional view taken along the line a of FIG.
  • FIG. 3A is a cross-sectional view taken along the line b of FIG. 1, and the shim plate 15 is shown in FIG. 3B.
  • the slit die 1 is provided with three manifolds 11 (11a, 11b, 11c) having a plurality of spaces in the width direction uniformly having the same length in the width direction.
  • One slit 12 connected to the three manifolds 11 (11a, 11b, 11c) is formed, and between the first lip 13a and the second lip 14a, one slit 12 is an open end.
  • the discharge port 4 is formed. That is, the three manifolds 11 (11a, 11b, 11c) and one discharge port 4 are connected via the slit 12.
  • the coating liquid 3 supplied by the supply means 20 is first stored in the three manifolds 11 (11a, 11b, 11c), and then from the wide one discharge port 4 via the slit 12. It is discharged.
  • the slit 12 is formed long in the width direction TD provided with three manifolds 11 (11a, 11b, 11c), and the width direction dimension of the slit 12 is the inner dimension W of the shim plate 15 described later (FIG. 3). (See (b)), the coating liquid 3 flowing out from each of the three manifolds 11 (11a, 11b, 11c) joins at the slit 12, and the coating liquid 3 having a long dimension in the width direction is combined with one. It can be applied onto the base material 2 from the discharge port 4.
  • the gap dimension (height dimension) of the slit 12 is, for example, 0.4 to 1.5 mm.
  • the slit die 1 is installed in a posture in which the gap direction of the slit 12 is the vertical direction and the width direction is the horizontal direction. That is, the slit die 1 is installed in a posture in which the three manifolds 11 (11a, 11b, 11c) and the slits 12 are arranged side by side in the horizontal direction. Therefore, the direction in which the coating liquid 3 stored in the three manifolds 11 (11a, 11b, 11c) flows to the base material 2 through the slit 12 and the discharge port 4 is the horizontal direction.
  • the pressure (coating pressure) inside the three manifolds 11 (11a, 11b, 11c) can be adjusted, and this adjustment has various characteristics. It is possible to apply a uniform film thickness with the coating liquid 3.
  • the direction in which the coating liquid 3 flows to the base material 2 through the discharge port 4 is set to the horizontal direction, but the direction is not necessarily limited to this and can be changed as appropriate. For example, it may be in the upward direction or in the downward direction, and can be set in any direction.
  • Three coating liquid supply ports 16 (16a, 16b, 16c) are provided for each of the three manifolds 11 (11a, 11b, 11c) in the width direction of the slit die 1, and the coating liquid supply ports 16 (16a, 16b, 16c) are provided.
  • 16a, 16b, 16c) are composed of through holes (inflow ports) connected to the three manifolds 11 (11a, 11b, 11c) from the outside of the slit die 1.
  • the supply means 20 includes an inflow pipe 21 having one end connected to the coating liquid supply port 16 (16a, 16b, 16c), a tank 22 storing the coating liquid 3, and a coating liquid in the tank 22.
  • the supply means 20 individually limits the flow rate with the valves 24 (24a, 24b, 24c), and enters the respective manifolds 11 (11a, 11b, 11c) from the coating liquid supply port 16 (16a, 16b, 16c).
  • the coating liquid 3 can be supplied.
  • the coating liquid supply port 16 (16a, 16b, 16c) is connected to the bottom 17 (17a, 17b, 17c) of the manifold 11 (11a, 11b, 11c).
  • the coating liquid 3 is made to flow from the bottom 17 (17a, 17b, 17c) into the respective manifolds 11 (11a, 11b, 11c).
  • the three manifolds 11 can store the coating liquid 3 supplied from the supply means 20, and the coatings stored in the three manifolds 11 (11a, 11b, 11c) can be stored.
  • the liquid 3 can be merged through the slit 12 and discharged from one discharge port 4 to the base material 2 sent by roll-to-roll, and the coating liquid 3 can be continuously applied to the base material 2. can.
  • the gap size of the slit 12 is constant in the width direction, and the thickness of the coating liquid 3 coated on the base material 2 is constant in the width direction.
  • the coating is applied to the plurality of manifolds 11 (11a, 11b, 11c) from the coating liquid supply port 16 (16a, 16b, 16c) via the bottom 17 (17a, 17b, 17c).
  • the liquid 3 is made to flow in, and the coating liquids 3 stored in the three manifolds 11 (11a, 11b, 11c) are merged and discharged at one discharge port 4.
  • the shim 15 In the slit die 1, it is the shim 15 that separates the three manifolds 11 (11a, 11b, 11c).
  • the shim 15 will be described in detail.
  • the shim 15 has end protrusions 18 (18a, 18b) extending to the discharge port 4 at both ends of the slit die 1, and each manifold 11 (11a, 11b). , 11c) each have a comb-like shape having intermediate protrusions 19 (19a, 19b) extending from the manifolds 11 (11a, 11b, 11c) in the four directions of the discharge port.
  • the length of the shim 15 in the width direction (Y direction) is substantially the same as the length of the slit die 1 in the width direction, and the length in the thickness direction (Z direction) defines the height of the slit 12. Is.
  • the length of the end protrusions 18 (18a, 18b) in the X direction orthogonal to the TD direction is almost the same as the length of the slit die 1 in the X direction.
  • the length of the intermediate protrusions 19 (19a, 19b) in the X direction extends in the discharge port 4 directions from each manifold 11 (11a, 11b, 11c) and is shorter than the end protrusions 18 (18a, 18b). Has been done. Further, the ends of the intermediate protrusions 18 (18a, 18b) on the discharge port 4 (X direction) side are formed linearly in a direction orthogonal to the discharge port 4 direction. With these configurations, the coating liquid 3 stored in each manifold 11 (11a, 11b, 11c) can be merged in the slit 12 before reaching the discharge port 4, and smooth and stable coating can be performed. can.
  • the manifolds 11 are separated to form independent manifolds 11 (11a, 11b, 11c).
  • Each manifold 11 (11a, 11b, 11c) becomes independent, and by supplying the coating liquid 3 from different valves 24 (24a, 24b, 24c), each manifold 11 (11a, 11b, 11c) becomes a slit 12. The amount of the flowing coating liquid 3 can be easily controlled.
  • the coating that flows out from each manifold 11 (11a, 11b, 11c) The liquid 3 can be easily merged in the slit 12 before reaching the discharge port 4.
  • the amount of the coating liquid 3 to be discharged can be remarkably controlled in the width direction, and the amount of the coating liquid 3 can be discontinuously changed for each of the manifolds 11 (11a, 11b, 11c). Since there is no dent in the coating film, it is possible to keep the coated film thickness constant.
  • the number of manifolds is set to three, and the configurations are provided so as to have the same length in the width direction, but the configuration is not necessarily limited to this and can be changed as appropriate.
  • the number of manifolds may be two or four or more.
  • the lengths between the manifolds are not uniform, and the length in the width direction of any of the manifolds may be long. That is, the number of manifolds and the length of each manifold may be determined so that the film thickness can be controlled based on the length of the slit die 1 in the width direction. Further, the number of intermediate protrusions and the number of coating liquid supply ports may be determined based on the number of manifolds.
  • the direction in which the coating liquid 3 stored in the plurality of manifolds 11 (11a, 11b, 11c) flows to the base material 2 through the slit 12 and the discharge port 4 is a horizontal direction, but it is not always the case. Not limited to this, it can be changed as appropriate. For example, it may be in the vertical direction (upward or downward) or diagonally.
  • the valve 24 (24a, 24b, 24c) is configured to control the amount of the coating liquid 3 flowing into each manifold 11 (11a, 11b, 11c), but the present invention is not necessarily limited to this. It can be changed as appropriate. For example, instead of the valves 24 (24a, 24b, 24c), three pumps are connected to the respective manifolds 11 (11a, 11b, 11c) to control the amount of the inflowing liquid 3. May be good.
  • the slit die 1 in the first embodiment is fixed and has a configuration in which the coating liquid 3 is applied to the base material 2 transported by low-to-roll, but the present invention is not necessarily limited to this and can be changed as appropriate. be.
  • the slit die 1 may move to a stationary piece of base material to coat the coating liquid 3.
  • the slit die that discharges the coating liquid onto the base material.
  • Each is a space for storing the coating liquid, and there are multiple manifolds provided in the width direction, A plurality of coating liquid supply ports for supplying coating liquid to the plurality of manifolds, respectively.
  • a single discharge port that is connected to the plurality of manifolds via a slit that is wide in the width direction and discharges the coating liquid to the base material.
  • the shim is characterized in that both ends of the slit die have end protrusions extending to the discharge port, and each manifold has intermediate protrusions extending from each manifold in the direction of the discharge port. It is possible to control the discharge amount in the width direction by using the slit die, and it is possible to apply a coating film having good quality and a uniform thickness.
  • the second embodiment of the present invention is different from the first embodiment in that the intermediate protrusion has a tapered shape in the width direction in which the width becomes narrower toward the discharge port.
  • the second embodiment will be described with reference to FIG. 4A and 4B are a view taken along the line b in Example 2 of the present invention, and FIG. 4B is a plan view of the shim 115.
  • the slit 115 of the slit die 101 in the second embodiment As shown in FIGS. In the direction, it has a width taper shape in which the inclination starts from the discharge port 4 side of the manifold 11 (11a, 11b, 11c) and the width in the Y direction becomes linearly narrower toward the center of the width.
  • the coating liquids 3 in the plurality of manifolds 11 (11a, 11b, 11c) can easily merge on the manifold 11 (11a, 11b, 11c) side of the discharge port 4, and a stable coating film can be applied. ..
  • the intermediate protrusion 119 (119a, 119b) has a tapered shape in the width direction in which the width linearly narrows toward the center of the width, but the present invention is not necessarily limited to this. It can be changed as appropriate.
  • the intermediate protrusion 119 (119a, 119b) may have a tapered shape in the width direction in which the width is curved toward the center of the width.
  • the intermediate protrusion has a taper shape in the width direction in which the width becomes narrower toward the discharge port, so that the coating liquid in the plurality of manifolds is near the front of the discharge port. It is easy to merge and a stable coating film can be applied.
  • the third embodiment of the present invention is different from the first and second embodiments in that the tapered shape in the width direction at the intermediate protrusion is a shape in which the inclination starts from the inside of the manifold in the discharge port direction.
  • the third embodiment will be described with reference to FIG. 5A and 5B are a view taken along the line b in Example 3 of the present invention, and FIG. 5B is a plan view of the shim 215.
  • the coating liquids in the plurality of manifolds can be more easily merged in the vicinity of the discharge port, and a stable coating film can be applied.
  • the width of the intermediate protrusions 219 (219a and 219b) has a taper shape in the width direction that is linearly narrowed toward the center of the width, but the present invention is not necessarily limited to this. It can be changed as appropriate.
  • the intermediate protrusions 219 (219a and 219b) may have a tapered shape in the width direction in which the width is curved toward the center of the width.
  • the widthwise taper shape in the intermediate protrusion is a shape in which the inclination starts from the inside of the manifold toward the discharge port, so that the coating liquid in the plurality of manifolds is further applied in the vicinity of the front of the discharge port. It is easy to merge and a stable coating film can be applied.
  • Example 4 of the present invention is different from Examples 1 to 3 in that the tapered shape in the width direction at the intermediate protrusion is a stepped shape.
  • the fourth embodiment will be described with reference to FIG. 6A and 6B are views taken along the arrow b in Example 4 of the present invention, and FIG. 6B is a plan view of the shim 315.
  • the slit 315 of the slit die 301 in the fourth embodiment has a tapered shape in the width direction in which the inclination starts from the discharge port 4 side of the manifold 11 (11a, 11b, 11c) and the width becomes narrower in a stepwise manner toward the center of the width.
  • the coating liquid can easily merge in the vicinity of the front of the discharge port, and a stable coating film can be applied.
  • the intermediate protrusions 319 (319a, 319b) are inclined from the discharge port 4 side of the manifold 11 (11a, 11b, 11c) in the discharge port direction from the manifold 11 (11a, 11b, 11c).
  • the width is tapered in a stepwise manner toward the center of the width. It may have a shape.
  • the widthwise taper shape in the intermediate protrusion is a stepped shape, so that the coating liquid easily merges in the vicinity of the discharge port and is stable while maintaining the independence of the plurality of manifolds.
  • the coated coating film can be applied.
  • Example 5 of the present invention is different from Examples 1 to 4 in that the intermediate protrusion has a thickness-direction taper shape in which the thickness decreases toward the discharge port.
  • the fifth embodiment will be described with reference to FIG.
  • FIG. 7 is a view taken along the line a in Example 5 of the present invention.
  • the intermediate protrusions 419 (419a, 419b) have the manifold 11 (11a, 11a) in the discharge port 4 direction from the manifold 11 (11a, 11b, 11c). It has a thickness-direction taper shape in which the thickness in the Z direction is linearly reduced toward the center of the thickness by starting the inclination from the discharge port 4 side with respect to 11b and 11c).
  • the coating liquids in the plurality of manifolds can be more easily merged in the vicinity of the front of the discharge port, and a stable coating film can be applied.
  • the intermediate protrusions 419 (419a, 419b) are inclined from the discharge port 4 side of the manifold 11 (11a, 11b, 11c) in the discharge port direction from the manifold 11 (11a, 11b, 11c).
  • Is configured to have a taper shape in the width direction in which the thickness decreases linearly toward the center of the thickness but the thickness is not necessarily limited to this and can be changed as appropriate.
  • the thickness direction taper in the manifold 11 (11a, 11b, 11c), that is, from the root of the intermediate protrusion 419 (419a, 419b) toward the discharge port 4 direction the thickness is curvedly reduced toward the thickness center. It may have a shape, or it may have a taper shape in the thickness direction that becomes thinner in a stepped manner.
  • the intermediate protrusion has a taper shape in the thickness direction in which the thickness decreases toward the discharge port, the coating liquids in the plurality of manifolds further merge in the vicinity of the front of the discharge port. It is easy to apply and a stable coating film can be applied.
  • a plurality of coating liquid supply ports are provided for each manifold, and the plurality of coating liquid supply ports in one manifold have different flow rate ranges of the coated liquid from each other. It is different from 5.
  • the slit die (not shown) in the sixth embodiment is provided with two coating liquid supply ports for each manifold 11 (11a, 11b, 11c), and is connected to different valves so as to be able to supply different flow rates of the coating liquid. doing. With this configuration, the adjustment range of the coating liquid flow rate can be widened, and a uniform coating film can be applied.
  • each manifold 11 11a, 11b, 11c
  • the configuration is not necessarily limited to this and can be changed as appropriate. It is possible.
  • each manifold 11 11a, 11b, 11c
  • the manifold 11 (11a, 11b, 11c) is provided with two coating liquid supply ports, but the configuration is not necessarily limited to this, and changes can be made as appropriate.
  • each manifold 11 (11a, 11b, 11c) may be provided with three or more coating liquid supply ports. Thereby, the adjustment range of the coating liquid flow rate can be further widened.
  • a plurality of coating liquid supply ports are provided for each manifold, and the plurality of coating liquid supply ports in one manifold have different coating liquid flow rate ranges.
  • the flow rate adjustment range can be widened, and a uniform coating film can be applied.
  • the present invention can be widely applied to a slit die for applying a coating liquid to a base material.
  • Slit die 2 Base material 3: Coating liquid 5: Roller 4: Discharge port 11: Manifold 11 (11a, 11b, 11c) 12: Slit 15: Sim 16 (16a, 16b, 16c): Coating liquid supply port 17 (17a, 17b, 17c): Bottom 18 (18a, 18b): End protrusion 19 (19a, 19b, 19c): Intermediate protrusion 20: Supply means 22: Tank 23: Pump 24 (24a, 24b, 24c) : Valve 101: Slit die 115: Sim 119 (119a, 119b): Intermediate protrusion 201: Slit die 215: Sim 219 (219a, 219b): Intermediate protrusion 301: Slit die 315: Sim 319 (319a, 319b): Intermediate protrusion

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  • Coating Apparatus (AREA)

Abstract

L'invention concerne une filière à fente qui applique un film de revêtement présentant une bonne qualité et une épaisseur uniforme. En particulier, l'invention concerne une filière à fente 1 pour distribuer un fluide de revêtement sur un substrat, caractérisée en ce qu'elle comprend une pluralité de collecteurs 11 disposés dans une direction transversale, chacun définissant un volume pour stocker le fluide de revêtement, une pluralité d'entrées d'alimentation 16 en fluide de revêtement pour introduire le fluide de revêtement dans la pluralité de collecteurs respectifs, une sortie de distribution unique 4 reliée à la pluralité de collecteurs par l'intermédiaire d'une fente 12, qui est large dans la direction transversale, pour distribuer le fluide de revêtement sur le substrat, et une cale 15 disposée de façon à configurer la hauteur de la fente, la cale étant pourvue de sections saillantes d'extrémité 18 aux extrémités opposées de la filière à fente, les sections saillantes d'extrémité 18 s'étendant jusqu'à la sortie de distribution et des sections saillantes intermédiaires 19 entre les collecteurs, chacune des sections saillantes intermédiaires 19 s'étendant plus loin que les collecteurs respectifs dans la direction de la sortie de distribution.
PCT/JP2021/004368 2020-03-13 2021-02-05 Filière à fente WO2021181968A1 (fr)

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CN202180019597.2A CN115279503A (zh) 2020-03-13 2021-02-05 缝隙模
KR1020227026638A KR20220149512A (ko) 2020-03-13 2021-02-05 슬릿 다이

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JP2020-043583 2020-03-13
JP2020043583A JP7163334B2 (ja) 2020-03-13 2020-03-13 スリットダイ

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JP2023148939A (ja) * 2022-03-30 2023-10-13 東レエンジニアリング株式会社 スリットダイ
CN115155978A (zh) * 2022-09-07 2022-10-11 江苏时代新能源科技有限公司 一种垫片、涂布装置、极片、电池单体以及用电装置
CN116273756A (zh) * 2023-03-13 2023-06-23 合肥三利谱光电科技有限公司 一种压敏胶的涂布方法

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JPH09103728A (ja) * 1995-08-19 1997-04-22 Hoechst Ag コーティング溶液塗布装置
JP2014160564A (ja) * 2013-02-19 2014-09-04 Toray Eng Co Ltd 電池用極板の製造装置及びその製造方法
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