WO2024004473A1 - 被膜剥離機構および被膜剥離装置 - Google Patents

被膜剥離機構および被膜剥離装置 Download PDF

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Publication number
WO2024004473A1
WO2024004473A1 PCT/JP2023/019709 JP2023019709W WO2024004473A1 WO 2024004473 A1 WO2024004473 A1 WO 2024004473A1 JP 2023019709 W JP2023019709 W JP 2023019709W WO 2024004473 A1 WO2024004473 A1 WO 2024004473A1
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WO
WIPO (PCT)
Prior art keywords
film
peeling
coating
peeled
opening
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2023/019709
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
佳久 東田
聖 谷野
浩正 渡辺
一敬 渡邊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
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 Toray Industries Inc filed Critical Toray Industries Inc
Priority to CN202380043585.2A priority Critical patent/CN119278123A/zh
Priority to EP23830924.9A priority patent/EP4549119A1/en
Priority to KR1020247038267A priority patent/KR20250026763A/ko
Priority to JP2023535422A priority patent/JPWO2024004473A1/ja
Publication of WO2024004473A1 publication Critical patent/WO2024004473A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/0004—Component parts, details or accessories; Auxiliary operations
    • B29C63/0013—Removing old coatings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • B29B2017/0213—Specific separating techniques
    • B29B2017/0217—Mechanical separating techniques; devices therefor
    • 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 film peeling mechanism and a film peeling device equipped with the film peeling mechanism.
  • MLCC multilayer ceramic capacitors
  • a recycled film may be obtained by collecting it, crushing it, making it into resin chips, and then remelting it to form a film.
  • the components of the release layer contained in the release film generally have a different composition from those that make up the base film. If the resin chips are crushed into resin chips and then remelted to form a film, it becomes difficult to form a stable film because the components of the mold release layer exist as foreign matter. Furthermore, even if a film can be formed, since the release layer is present as a foreign substance in the resulting film, quality deterioration due to coloring of the film and changes in surface composition is unavoidable, making it different from the original base film.
  • Patent Document 1 discloses that a rotary brush having metal fiber bristles as a peeling member is rotated and brought into direct contact with the film on the surface of the film, thereby peeling off the film, and A method has been disclosed in which a plurality of suction nozzles are installed in the circumferential direction of a rotating brush in order to remove coating pieces (hereinafter referred to as peeled objects) that adhere to the rotating brush.
  • Patent Document 2 as a method for removing foreign substances on the film surface, a rotating rod member is wetted with a solvent, and then brought into contact with the film surface to cause the foreign substances to adhere to the outer peripheral surface of the rod member, thereby collecting the foreign substances.
  • a method for removing it is disclosed.
  • a suction nozzle is disclosed which is provided with a slit portion that can reduce pressure to remove foreign matter from the outer circumferential surface of the rod member. ing.
  • the suction nozzle would need to be installed between the rotating brush and the film being transported, but since both are moving, it must be installed at a certain distance from both. , cannot be brought into close proximity. That is, the peeled film pieces cannot be sufficiently collected and removed, and the peeled pieces cannot be prevented from re-adhering to the film, resulting in deterioration in the quality of the recycled film.
  • the peeled substances are once peeled off by the rod member and then transferred to the outer circumferential surface to be removed, but when the rod rotates at high speed, the peeled substances are scattered around. , and may re-adhere to the film. Further, the transferred detached material falls off on the holding member of the rod member, but the position at which it falls off is right next to the slit-shaped opening, that is, at the edge of the opening. When comparing the edge of the opening and the area directly above the opening, it is possible to increase the suction air velocity directly above the opening where the suction airflow travels straight, but at the edge of the opening, there is a suction airflow that travels straight.
  • the airflow drawn in from the surroundings acts, and the suction wind speed becomes extremely low.
  • the suction and removal performance of the peeled materials becomes low at the edge of the opening, and the peeled materials cannot be sufficiently collected and removed.As a result, the peeled materials remain on the rod member, and the recycled film is damaged. The quality will deteriorate.
  • the internal shape of the slit has a constant gap up to the bottom, it is not possible to form a sufficient flow in the film width direction inside the suction nozzle. That is, for a wide film, it is not possible to obtain a uniform suction wind speed in the width direction of the film.
  • the suction wind speed is particularly high at locations where suction equipment such as blowers and vacuum pumps are connected, and the suction wind speed is low at locations far from the suction equipment in the film width direction, resulting in A problem arises in that the suction removal performance is insufficient.
  • the present invention provides a mechanism for peeling off a coating from a base film having a coating, by reliably suctioning and removing the peeled substances while suppressing the scattering and accumulation of the peeled substances, thereby preventing the peeled substances from re-adhering to the film.
  • a film peeling mechanism capable of continuously and stably peeling a film over a long period of time while preventing contamination.
  • the film peeling mechanism of the present invention that solves the above problems is a mechanism for peeling a film from a coated film that has a film on at least one side of a base film and is being transported, and is a mechanism that peels off a film from a film with a film that is conveyed.
  • the peeling member and the nozzle member constitute a suction nozzle that sucks the film peeled off by the tip, and the downstream side surface of the peeling member in the film conveyance direction and the film conveyance of the nozzle member
  • the side surfaces on the upstream side in the direction are inclined such that they approach each other toward the tip.
  • the film peeling mechanism of the present invention has any of the following embodiments [2] to [5].
  • the suction nozzle has an opening that extends in the film width direction and opens near the tip, and a slit that extends in the film width direction and is a flow path that communicates with the opening.
  • the film peeling mechanism according to [1] above comprising a decompression chamber that communicates with the slit and has a larger cross-sectional area perpendicular to the suction direction than the slit.
  • [3] The film peeling according to [2] above, wherein the suction nozzle forms the opening, the slit, and the decompression chamber with the nozzle member and the upstream side surface of the peeling member in the film transport direction. mechanism.
  • a spacer member is provided between the peeling member and the nozzle member, and the nozzle member, the spacer member, and the side surface of the peeling member on the upstream side in the film conveyance direction, the opening, the slit, and the The film peeling mechanism according to [2] above, which forms a decompression chamber.
  • the film peeling device of the present invention includes an unwinding device for unwinding the film with the film wound into a roll, and a winding device for winding up the base film from which the film has been peeled off. and a film peeling mechanism according to any one of [1] to [6] above, which is installed between the unwinding device and the winding device and peels the film from the film with the film being transported. It is equipped with
  • the film peeling mechanism of the present invention when peeling a film from a base film having a film, the peeled film does not re-adhere to the base film, and the film can be peeled off stably and continuously. Can be done.
  • FIG. 1 is a schematic diagram of a film stripping device of the present invention.
  • FIG. 2 is a schematic cross-sectional view of the film peeling mechanism used in FIG. 1.
  • FIG. 3 is a perspective view of the inside of the film peeling mechanism of FIG. 2;
  • FIG. 4 is a perspective view of the inside of the film peeling mechanism of the present invention in a different embodiment from FIG. 3;
  • 3 is a schematic top view of the film peeling mechanism shown in FIG. 2.
  • FIG. FIG. 6 is a schematic top view of the film peeling mechanism of the present invention in a different embodiment from FIG. 5;
  • FIG. 3 is a schematic diagram showing a conveying direction velocity vector of a coated film and a suction direction velocity vector of a suction nozzle in the film peeling mechanism shown in FIG. 2.
  • FIG. FIG. 3 is a schematic diagram showing a conveyance direction velocity vector of a coated film and a suction direction velocity vector of a suction nozzle in a coating peeling mechanism of the present
  • FIG. 1 is a schematic diagram of a film stripping device 101 of the present invention.
  • a film peeling device 101 includes an unwinding device 2 that unwinds a film 1 having a film 3 on one side of a base film 4 (hereinafter sometimes referred to as a film with a film), and a film peeling device 2 that unwinds a film 1 having a film 3 on one side of a base film 4; It is equipped with a winding device 5 for winding up the base film 4 after peeling, and a conveying device 6 for conveying the film in the direction of arrow X while applying tension to the film.
  • a winding device 5 for winding up the base film 4 after peeling
  • a conveying device 6 for conveying the film in the direction of arrow X while applying tension to the film.
  • a film peeling mechanism 7 is provided between the unwinding device 2 and the winding device 5 for peeling off the film 3 from the film 1 with a film 1 and sucking the peeled material 21 and discharging it from the device.
  • the film peeling mechanism 7 includes a peeling member 8 for peeling off the film 3 by directly contacting the surface of the film 3 of the coated film 1, and a nozzle member 9 on the upstream side of the peeling member 8 in the film transport direction. Note that the peeling member 8 and the nozzle member 9 are fastened to each other and extend in the width direction of the base film 4.
  • the peeling member 8 and the nozzle member 9 constituting the film peeling mechanism 7 may be fastened together using, for example, bolts or clamps, but are not limited thereto.
  • the film peeling mechanism 7 is connected to a tank 10 for temporarily storing the peeled material 21 after being peeled off, and by connecting a suction device 12 to the tank 10, the peeled material 21 after being peeled off by the film peeling mechanism 7 can be removed. can be aspirated.
  • FIG. 2 is a central sectional view of the film peeling mechanism 7 used in FIG. 1 in the film width direction.
  • the nozzle member 9 By arranging the nozzle member 9 on the upstream side and the peeling member 8 on the downstream side in the transport direction (arrow There is.
  • the peeled material 21 peeled off by the peeling member 8 can be immediately suctioned and removed.
  • the peeling member 8 has a tip portion 15 that extends in the film width direction and contacts the coated film 1 .
  • the upstream side surface 14 of the nozzle member 9 and the downstream side surface 19 of the peeling member 8 have an inclined shape such that they approach each other toward the tip 15. With such a shape, the nozzle member 9 can be installed without contacting the coated film 1, and the peeling member 8 can be installed without contacting the base film 4. In order to reliably peel the coating 3 from the coating film 1, it is necessary to press the tip 15 strongly against the coating film 1, so the angle between the coating film 1 and the base film 4 needs to be small. . With the aspect of the film peeling mechanism 7 of the present invention, the film peeling mechanism 7 can be installed even if the angle formed between the coated film 1 and the base film 4 is small. Furthermore, the opening 16 can be positioned close to the tip 15. As a result, the peeled matter 21 can be immediately removed by suction, so that the peeled matter 21 does not accumulate on the peeling member 8 or scatter around after being deposited, and the film can be stably and continuously removed. Can be peeled off.
  • FIG. 7 is a schematic diagram showing the conveyance direction velocity vector 22 of the coated film 1 and the suction direction velocity vector 24 of the suction nozzle in the film peeling mechanism 7 shown in FIG.
  • a vector component 23 which is a suction direction component of the conveyance direction velocity vector 22, is opposite in direction to the suction direction velocity vector 24 generated by the suction mechanism 12. This is a direction that reduces the fluidity of the peeled material 21 in the suction direction, leading to a decrease in suction efficiency. Therefore, it is preferable that the vector component 23 is smaller.
  • the vector component 23 increases or decreases, or its direction is reversed, depending on the angle ⁇ formed between the coated film 1 and the upstream side surface of the peeling member 8 in the film transport direction, but in order to reduce the upward vector component 23, , the angle ⁇ between the coated film 1 and the upstream side surface of the peeling member 8 may be increased.
  • FIG. 8 is a schematic diagram showing the conveyance direction velocity vector 22 of the coated film 1 and the suction direction velocity vector 24 of the suction nozzle in the film peeling mechanism 7 of the present invention, which is different from FIG. 2.
  • the film peeling mechanism 7 is arranged so that the angle ⁇ between the coated film 1 and the upstream side surface of the peeling member 8 is greater than 90°.
  • the vector component 23 is in the same direction as the suction direction velocity vector 24, and the vector that adds these together is the peeled object. 21, the fluidity of the peeled material 21 is improved, and the suction efficiency is increased.
  • the peelability of the film peeling device 101 of the present invention will be explained.
  • it is necessary to forcefully press the tip portion 15 against the coated film 1.
  • it is effective to reduce the angle formed between the coated film 1 and the base film 4.
  • it is also effective to increase the tension applied to the film.
  • the angle ⁇ between the coated film 1 and the upstream side surface of the peeling member 8 is preferably 30° to 120°.
  • the tension applied to the film may be increased, and the tip portion 15 of the coated film 1 may be It is preferable to press firmly.
  • the angle ⁇ between the coated film 1 and the upstream side surface of the peeling member 8 is more preferably 30° to 90°. In this range, although there is an upward vector component 23 as shown in FIG. 7, its magnitude is small (zero at 90°), and it can be considered that it has almost no effect on the fluidity reduction of the peeled material 21.
  • the angle formed between the coated film 1 and the base film 4 can also be made small, and releasability will not deteriorate.
  • FIG. 3 is a perspective view of the inside of the film peeling mechanism 7 with the peeling member 8 removed from the film peeling mechanism 7.
  • the suction nozzle constituted by the nozzle member 9 and the peeling member 8 includes an opening 16, a slit 17, and a reduced pressure chamber 18, and the opening 16, slit 17, and reduced pressure chamber 18 are in communication.
  • a piping connection part 20 is provided at the lower part of the decompression chamber 16, and the viewing connection part 20 is connected to the tank 10 via piping.
  • the slit section 17 from the opening section 16 to the decompression chamber 18 is designed to have a narrow flow path to increase the pressure loss at this point, and conversely, it is designed to be a space with a larger cross-sectional area perpendicular to the suction direction than the slit section 17. It is preferable to increase the volume of a certain decompression chamber 18 and design the pressure loss at that location to be low. Thereby, it is possible to easily generate an airflow in the film width direction in the decompression chamber 18, so that the suction wind speed generated at the opening 16 can be made substantially uniform in the film width direction.
  • the gap in the conveyance direction of the slit part 17, the length of the slit part 17 from the opening part 16 to the decompression chamber 18, and the volume of the decompression chamber 18 are appropriately adjusted according to the properties of the generated peeled material. do it. For example, if the peeled material 21 has no fluidity and is likely to clog the narrow flow path of the slit section 17, it is preferable to widen the gap between the slit sections 17 or shorten the length of the slit section 17. . If the gap between the slits 17 is widened or the length of the slits 17 is shortened, the suction wind speed generated at the openings 16 becomes uneven in the film width direction, so the volume of the decompression chamber 18 is expanded. It is preferable to adjust the suction air velocity as appropriate so that it becomes approximately uniform.
  • the piping connection part 20 is arranged at the center of the nozzle member 9 in the film width direction, but the pipe connection part 20 is not limited to this, and it may be arranged at the end or in plural. good.
  • FIG. 4 Another embodiment of the film peeling mechanism 7 of the present invention is shown in FIG. 4.
  • the flow path of the slit portion 17 is not formed in the nozzle member 9 as in the embodiment of FIG.
  • a slit portion 17 is formed.
  • the gap between the slit portions 17 and the opening width of the opening portion 16 in the film width direction can be freely changed using the spacer member 13. That is, when the film width of the coated film 1 is various, it can be easily changed to have an appropriate opening width.
  • the nozzle member 9 is installed on the upstream side surface of the peeling member 8 in the film transport direction, and the wall surface of the peeling member 8 is used as one of the inner wall surfaces of the film peeling mechanism 7.
  • FIG. 5 is a schematic top view of a state in which the coating 3 is peeled from the coated film 1 in the coating peeling mechanism 7 shown in FIG. 2, as seen from above through the film.
  • the opening 16 extends in the film width direction, and the opening width is wider than the width of the base film 4. Since the opening 16 extends in the width direction of the film, the peeled material 21 peeled off by the peeling member 8 can be immediately sucked across the entire width of the film. Further, even when the coated film 1 meanders in the film width direction, the peeled material 21 can be immediately suctioned within the range of the opening width because the opening width is wider than the width of the base film 4.
  • the opening width is too wide relative to the film width, air will be sucked preferentially from the openings 16 outside the film width, which will reduce the ability to suction the important peeled material 21. I end up.
  • the inventors found that by setting the opening width of the opening 16 to 150% or less of the film width of the coated film 1 to be peeled, the peeled object 21 can be immediately attracted. I confirmed that it can be done. When the opening width exceeded 150% of the film width, it became difficult to suction the peeled material 21.
  • FIG. 6 is a schematic top view of the film peeling mechanism of the present invention, which is different from that shown in FIG. .
  • the coating peeling mechanism 7B shown in FIG. 6 is suitable when the peeled material 21 peeled off by the peeling member 8B has high fluidity, and is particularly preferably used, for example, when peeling a coating containing a cleaning liquid or the like. Due to the fluidity of the peeled material 21, the peeled material 21 flows in the film width direction to the opening 16B while passing through the peeling member 8B. Therefore, even when the coated film 1 meanders in the film width direction, the peeled material 21 flows along the peeling member 8B to the opening 16B. 21 can be removed by suction.
  • the opening area of the opening 16B becomes narrower, the suction air velocity or the suction pressure at the opening 16B can be increased, which may result in more efficient suction removal.
  • the opening width is set to be 4% or more of the film width of the coated film 1 to be peeled, so that the peeled object 21 can be suctioned and removed. I confirmed that it can be done. If it is narrower than that, a phenomenon may be observed in which the peeled material 21 blocks the opening 16B.
  • the tank 10 connected to the piping connection 20 of the film stripping mechanisms 7 and 7B not only accumulates the peeled material 21 sucked by the suction device 12, but also accumulates the peeled material 21 after the device is stopped or during continuous operation. In addition, it is preferable that the liquid can be discharged to the outside from the discharge port 11. By accumulating the peeled substances 21 in the tank 10 and appropriately discharging the peeled substances 21 from the discharge port 11 of the tank 10, the peeled substances 21 do not flow into the suction device 12, and failure of the suction device 12 can be prevented.
  • the coated film 1 is set in the film peeling device 101 and transported from the unwinding device 2 to the winding device 5.
  • the coat 3 on the surface of the coated film 1 comes into contact with the tip 15 of the peeling member 8, so that the coat 3 is peeled off.
  • the coating 3 is peeled off, it is sucked as a peeled material 21 through the opening 16 of the coating peeling mechanism 7.
  • the peeled material 21 passes through the slit section 17 from the opening section 16, moves to the decompression chamber 18, the piping connection section 20, and is accumulated in the tank 10. At this time, the velocity of the air sucked through the opening 16 is uniform in the width direction of the film, so that the opening 16 can suck the peeled matter 21 generated over the entire width of the film.
  • the cleaning liquid application device may include a water tank for storing water as a cleaning liquid upstream of the film peeling mechanism 7 in the film transport direction, and may be used to immerse the coated film 1 in the cleaning water, or to immerse the coated film 1 in the cleaning water.
  • a device may be provided that directly applies a cleaning liquid to the surface of the substrate. Examples of devices that directly apply the cleaning liquid include high-pressure washers, shower nozzles, spray nozzles, steam nozzles, and the like.
  • the cleaning liquid may be sucked together with the peeled material 21 by the film stripping mechanism 7, and it is preferable that both the cleaning liquid and the peeled material 21 are accumulated in the tank 10 and discharged to the outside after the device is stopped or during continuous operation. .
  • the pipe connection portion 20 has one connection location, but may have multiple connection locations.
  • the amount of suction air is increased compared to the case where the piping is connected at one location, and the speed of suction air can be increased.
  • the peeled substances 21 are in a string-like manner, each of the plurality of piping connection points attracts the string-shaped peeled substances 21 to each other, and as a result, the peeled substances 21 are inside the coating peeling mechanism 7. may be accumulated.
  • the coating 3 is peeled off from the coated film 1 having the coating 3 on one side of the base film 4 is explained, but the coating is removed from the coated film 1 having the coating 3 on both sides of the base film 4.
  • the same method can be used when removing 3.
  • the coating 3 on one side of the coated film 1 is peeled off by the coating peeling mechanism 7, and then, after the coated film 1 is turned upside down, The coating 3 on the other side of the coated film 1 may be peeled off by another coating peeling mechanism 7.
  • ⁇ Base film with coating (film with coating)>
  • a base film of polyethylene terephthalate with a thickness of 30 ⁇ m and a width of 200 mm
  • a polyvinyl alcohol resin was formed as a water-soluble resin to a thickness of 0.1 ⁇ m, and on top of that, a curable silicone resin was applied as a mold release component to a thickness of 0.1 ⁇ m.
  • a coated film 1 was produced.
  • Example 1 The coated film 1 was set in the unwinding device 2 of the coating peeling device 101.
  • the conveyance speed was 50 m/min, and a spray nozzle was used as a cleaning liquid application device to spray water as a cleaning liquid onto the surface of the coating 3 of the coated film 1 from a position 400 mm apart in the film conveyance direction upstream of the coating peeling mechanism 7.
  • the coating was peeled from the coated film 1 while applying the amount of 0.1 L/m 2 .
  • the film peeling mechanism 7 has a length of the tip portion 15 in the film width direction of 500 mm, an opening width of the opening portion 16 and a width of the slit portion 17 of 200 mm, a gap between the slit portions 17 of 2 mm, and the upper and lower sides of the slit portion 17 in FIG.
  • the length (d1) in the direction was 3 mm.
  • the center positions of the tip portion 15 and the opening portion 16 in the film width direction were made to coincide with each other.
  • the position (d2) of the opening 16 was set close to the tip 15 of the peeling member 8 at a distance of 3 mm.
  • the angle ⁇ between the coated film 1 and the upstream side surface of the peeling member 8 was 45°, and the angle between the coated film 1 and the base film 4 was 90°.
  • a ring blower manufactured by TERAL
  • :VFC608Z was connected, and the suction wind speed at the opening 16 was set to 6 m/s, so that it was in constant operation during the film peeling.
  • the suction wind speed was measured using a Climomaster (manufactured by KANOMAX) with the opening 16 and the tip 15 of the peeling member 8 at the same height, and with no base film in contact with the tip 15. :MODEL6501-C0).
  • the peeled matter 21 peeled off from the coated film 1 can be immediately sucked without the peeled matter 21 accumulating on the peeling member 8 or clogging the opening 16. I confirmed that there is. Furthermore, although the coated film 1 meandered by a maximum of 10 mm in the film width direction, since the peeled material 21 containing water had fluidity, the peeled material 21 flowed in the film width direction and was sucked into the opening 16 without any problem. It was also confirmed that the peeled material 21 was reattached to the edge of the base film 4 during 10 minutes. When the film wound up by the winding device 5 was analyzed using SEM-EDX, no component of the peeled material 21 was detected.
  • Example 2 The opening width of the opening 16 of the film peeling mechanism 7 and the width of the slit portion 17 were each 300 mm.
  • the coating was removed under the same conditions as in Example 1 except for the above conditions.
  • the coated film 1 was conveyed for 10 minutes, and the meandering of the coated film 1 occurred by a maximum of 10 mm in the film width direction, but the peeled matter 21 accumulated on the peeling member 8 and the opening 16 of the coated peeling mechanism 7 was clogged. It was confirmed that the peeled material 21 peeled off from the coated film 1 could be immediately suctioned without doing anything, and there was no sign that the peeled material 21 was re-adhering to the edge of the base film 4. When the film wound up by the winding device 5 was analyzed using SEM-EDX, no components of the peeled product were detected.
  • Example 3 The widths of the opening 16 and the slit 17 of the film peeling mechanism 7 were each 8 mm.
  • the coating was removed under the same conditions as in Example 1 except for the above conditions.
  • the coated film 1 was conveyed for 10 minutes, and the meandering of the coated film 1 occurred by a maximum of 10 mm in the film width direction, but the peeled material 21 did not clog the opening 16 of the film peeling mechanism 7 and the water-containing peeled material 21 It was confirmed that the liquid flowed in the vicinity of the tip 15 of the peeling member 8 in the width direction of the film and could be suctioned through the opening 16 without any problem. Moreover, there was no sign that the film was re-adhering to the edge of the base film 1. When the film wound up by the winding device 5 was analyzed using SEM-EDX, no components of the peeled product were detected. The results of each example are summarized in Table 1.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Coating Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
PCT/JP2023/019709 2022-07-01 2023-05-26 被膜剥離機構および被膜剥離装置 Ceased WO2024004473A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN202380043585.2A CN119278123A (zh) 2022-07-01 2023-05-26 被膜剥离机构及被膜剥离装置
EP23830924.9A EP4549119A1 (en) 2022-07-01 2023-05-26 Coating detachment mechanism and coating detachment device
KR1020247038267A KR20250026763A (ko) 2022-07-01 2023-05-26 피막 박리 기구 및 피막 박리 장치
JP2023535422A JPWO2024004473A1 (https=) 2022-07-01 2023-05-26

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JP2022106831 2022-07-01
JP2022-106831 2022-07-01

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JP (1) JPWO2024004473A1 (https=)
KR (1) KR20250026763A (https=)
CN (1) CN119278123A (https=)
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* Cited by examiner, † Cited by third party
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JPS5720319A (en) * 1980-07-11 1982-02-02 Azuma Kogyo Kk Production of elongated tape from magnetic substance-removed magnetic tape
JPS6260749A (ja) 1985-09-12 1987-03-17 Fuji Photo Film Co Ltd 可撓性支持体の除塵方法及び装置
JP2001179741A (ja) * 1999-12-28 2001-07-03 N Tsuu Syst Kk シート上の塗布物の剥離方法及び剥離装置
JP2001259538A (ja) * 2000-03-21 2001-09-25 Chuki Seiki Kk フィルムから付着物を除去する方法及びその装置
JP2012171276A (ja) 2011-02-23 2012-09-10 Teijin Dupont Films Japan Ltd 熱可塑性樹脂フィルムの製造装置及び製造方法
JP2013159094A (ja) * 2012-02-08 2013-08-19 Teijin Dupont Films Japan Ltd 熱可塑性樹脂フィルムの製造装置及び製造方法
JP2020100119A (ja) * 2018-12-25 2020-07-02 セイコーエプソン株式会社 処理装置および処理方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5720319A (en) * 1980-07-11 1982-02-02 Azuma Kogyo Kk Production of elongated tape from magnetic substance-removed magnetic tape
JPS6260749A (ja) 1985-09-12 1987-03-17 Fuji Photo Film Co Ltd 可撓性支持体の除塵方法及び装置
JP2001179741A (ja) * 1999-12-28 2001-07-03 N Tsuu Syst Kk シート上の塗布物の剥離方法及び剥離装置
JP2001259538A (ja) * 2000-03-21 2001-09-25 Chuki Seiki Kk フィルムから付着物を除去する方法及びその装置
JP2012171276A (ja) 2011-02-23 2012-09-10 Teijin Dupont Films Japan Ltd 熱可塑性樹脂フィルムの製造装置及び製造方法
JP2013159094A (ja) * 2012-02-08 2013-08-19 Teijin Dupont Films Japan Ltd 熱可塑性樹脂フィルムの製造装置及び製造方法
JP2020100119A (ja) * 2018-12-25 2020-07-02 セイコーエプソン株式会社 処理装置および処理方法

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KR20250026763A (ko) 2025-02-25

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