WO2019116534A1 - フィルム製造装置 - Google Patents
フィルム製造装置 Download PDFInfo
- Publication number
- WO2019116534A1 WO2019116534A1 PCT/JP2017/045096 JP2017045096W WO2019116534A1 WO 2019116534 A1 WO2019116534 A1 WO 2019116534A1 JP 2017045096 W JP2017045096 W JP 2017045096W WO 2019116534 A1 WO2019116534 A1 WO 2019116534A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- air
- film
- housing
- opening
- jet
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 238000002347 injection Methods 0.000 claims description 35
- 239000007924 injection Substances 0.000 claims description 35
- 238000005192 partition Methods 0.000 claims description 10
- 238000007664 blowing Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 abstract description 8
- 239000003570 air Substances 0.000 description 144
- 238000011144 upstream manufacturing Methods 0.000 description 13
- 230000000052 comparative effect Effects 0.000 description 10
- 238000004088 simulation Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 229920006378 biaxially oriented polypropylene Polymers 0.000 description 1
- 239000011127 biaxially oriented polypropylene Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
-
- 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
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
- B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
-
- 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
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
- B29C35/045—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using gas or flames
- B29C2035/046—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using gas or flames dried air
-
- 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
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/20—Edge clamps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/008—Wide strips, e.g. films, webs
Definitions
- the present invention relates to a film manufacturing apparatus.
- the production of a biaxially oriented film represented by a biaxially oriented polypropylene film, a biaxially oriented polyester film, etc. is generally carried out as follows. First, the solid raw material is melt-plasticized by the extruder, and the resin material in a molten state is discharged from the T-die in a thin and wide sheet form. Then, the discharged resin material is cooled and solidified by a forming roll, and then stretched in a film shape in the respective directions by the longitudinal stretching device and the transverse stretching device.
- the above-described transverse stretching device has a heat treatment device (tenter oven) for heat treatment of the film.
- a heat treatment device for heat treatment of the film.
- the film passes through the inside of the tenter oven, it is heated by the hot air blown from the jet port provided in the duct.
- the film is stretched in the width direction by holding the both ends in the width direction with the clips and widening the distance between the opposing clips.
- the tenter oven is divided into a plurality of temperature control zones disposed along the film transport direction.
- the plurality of temperature control zones are adjusted to different temperatures, and in each temperature control zone, for example, preheating, heating, heat retention, and cooling are performed.
- a plurality of the above-described ducts are respectively disposed above and below the film. Hot air blown out of the ducts is blown onto the film, and then flows mainly through the gaps between the ducts and is recovered from the suction port inside the tenter oven. Then, the recovered air is reheated by a heat exchanger such as a radiator, sent to a duct by a blower or a fan, and reused.
- the housing that defines each temperature control zone of the tenter oven is made of a thick wall material in which a heat insulating material is embedded. Therefore, the heat insulating effect is high, and the internal temperature can be maintained in a stable state.
- openings for communicating the inside and the outside of the housing are formed to allow at least the film to pass through. There is. Therefore, in these zones, for example, the pressure of the space enclosed by the upper and lower ducts of the film and the left and right clips becomes higher than the atmospheric pressure, so that the hot air leaks from the inside to the outside of the housing through the opening. Occurs.
- Patent Document 1 discloses a method of suppressing the influence of the accompanying flow to other zones by setting a specific duct in the temperature control zone to a height defined with respect to the surface of the film. Have been described. Further, Patent Document 2 describes a method of sucking hot air leaking from a tenter oven by a suction device disposed on the upstream side of the tenter oven.
- each temperature control zone of the tenter oven is highly adiabatically effective, and the heater output of the heat exchanger is kept almost constant at a low value except temporarily increasing at the device startup.
- the heater output is higher than in the other zones, and the energy consumption is increased. Therefore, from the viewpoint of energy saving, it is also required to suppress the leak of the hot air and the inflow of the outside air.
- Patent Document 2 In order to suppress the inflow of the outside air due to the accompanying flow using the method described in Patent Document 1, it is necessary to substantially add a zone having the above-described duct further upstream of the inlet zone. . Therefore, this method does not necessarily lead to energy saving of the entire apparatus. Further, the method described in Patent Document 2 is premised on holding the inside of the case at a positive pressure in order to enhance the temperature uniformity in the case, and cope with the increase of the leakage of the hot air as a result thereof. . Therefore, this method does not consider anything about the increase in energy consumption due to the increase in the leakage of the hot air.
- an object of the present invention is to provide a film manufacturing apparatus that manufactures a film with high energy efficiency and high quality.
- the film manufacturing apparatus of the present invention is a housing, which is provided with an opening for communicating the inside and the outside of the housing, and is disposed in the inside of the housing.
- the film manufacturing apparatus which is excellent in energy efficiency and manufactures a high quality film can be provided.
- FIG. 1 is a schematic perspective view of a film manufacturing apparatus (tenter oven) according to an embodiment of the present invention, as viewed from the upstream side in the film transport direction.
- FIG. 2 is a schematic perspective view showing a part of the tenter oven of FIG. 1 in an enlarged manner. In FIG. 2, the film is shown in dotted lines for the sake of clarity.
- FIG. 3 is a schematic perspective view of the main part of the tenter oven of the present embodiment, similarly viewed from the upstream side in the film transport direction.
- MD Machine Direction
- TD Transverse Direction
- the tenter oven 1 performs heat treatment of the film F in the film manufacturing process, and specifically, stretches in the TD direction while heating the film F conveyed in the MD direction (predetermined direction).
- the tenter oven 1 is divided into a plurality of temperature control zones disposed along the MD direction.
- the plurality of temperature control zones are adjusted to different temperatures, and in each temperature control zone, for example, preheating, heating, heat retention, and cooling are performed.
- 1 to 3 show the most upstream zone (inlet zone) among the plurality of temperature control zones.
- the tenter oven 1 includes a housing 2 defining an inlet zone, a pair of clip covers 3 and 4 disposed inside the housing 2, and a first air injection unit 10 similarly disposed inside the housing 2. And a second air injection unit 20 disposed outside the housing 2.
- the housing 2 is disposed such that the front surface (the upstream surface in the MD direction) and the back surface (the downstream surface in the MD direction) are both perpendicular to the MD direction.
- An opening 2a communicating the outside and the inside of the case 2 is formed on the front surface of the case 2, and on the back of the case 2 the inside of the case and the inside of the case 2 adjacent in the MD direction
- a communicating port (not shown) is formed to communicate.
- the film F is conveyed to the inside of the housing 2 through the opening 2a, and is conveyed to the adjacent housing through the communication port.
- the housing 2 is formed of a thick wall material in which a heat insulating material is embedded, and has high heat insulating performance.
- the clip covers 3 and 4 are disposed at both ends of the film F in the TD direction, and accommodate clips traveling in the MD direction while gripping the both ends of the film F in the TD direction.
- the clip covers 3 and 4 extend in the MD direction between the opening 2a of the housing 2 and the communication port, and at least the upstream end of the MD direction is exposed to the outside of the housing 2 through the opening 2a.
- the first air injection unit 10 has a plurality of pairs of ducts 11 and 12 arranged at predetermined intervals along the MD direction, and the ducts 11 and 12 of each pair are opposed to each other across the film F. It is arranged.
- Each of the ducts 11 and 12 has a jet port 13 for jetting heated air toward the surface of the film F on the surface facing the film F.
- the first air injection unit 10 can heat the film F by blowing heated air on both sides of the film F conveyed in the MD direction inside the housing 2.
- the heated air blown to the film F mainly flows through the gap between the ducts 11 and 12 and is recovered from the suction port 14.
- the recovered air is reheated by a heat exchanger (not shown) such as a radiator, sent to the ducts 11 and 12 by a blower (not shown) such as a blower or a fan, and reused.
- a heat exchanger such as a radiator
- a blower such as a blower or a fan
- one injection port 13 is formed in a slit shape in each of the ducts 11 and 12, but a plurality of circular injection ports may be formed.
- the second air injection unit 20 is provided to suppress such leakage of the heated air and the inflow of the outside air.
- the second air jet unit 20 is disposed adjacent to the opening 2 a at the outside of the housing 2, and curtains the air in the direction intersecting the MD direction toward the surface of the film F to be conveyed. It has a function to spray on.
- the second air injection unit 20 forms a so-called air curtain in front of the opening 2a (upstream side in the MD direction), and blocks the flow of air between the inside and the outside of the housing 2 through the opening 2a. be able to.
- the present embodiment it is possible to suppress the leakage of the heated air from the housing 2 and the inflow of the outside air into the housing 2 with a simple structure without adding a large-scale facility. Therefore, the temperature inside the housing 2 can be uniformly maintained without increasing the energy consumption, and the deterioration of the quality of the film produced can be suppressed.
- the air blown from the second air jet unit 20 to the film F may not necessarily be heated as long as leakage of heated air from the housing 2 and inflow of external air into the housing 2 can be suppressed. It is preferable to spray outside air at a normal temperature in terms of suppressing unnecessary energy consumption.
- the second air jet units 20 are disposed to be opposed to each other with the film F to be conveyed interposed therebetween, and include a pair of air nozzles 21 and 22 that jet curtain-like air on both sides of the film F ing.
- the air nozzles 21 and 22 are attached to the partition plates 5 and 6 fixed to the front surface of the housing 2 respectively.
- the partition plates 5 and 6 are vertically disposed across the opening 2a, and each have a portion extending toward the film F so as to cover a portion of the opening 2a. Is attached.
- the partition plates 5 and 6 not only cover a part of the opening 2 a but also the air nozzles 21 and 22 can be disposed closer to the film F, and leakage of heated air from the housing 2 and the housing The effect of suppressing the inflow of outside air to 2 can be further enhanced.
- the shape of the part (part which covers the opening 2a) extended toward the film F of the partition plates 5 and 6 is not limited to the flat form shown in figure.
- the end of the divider plate 5, 6 opposite to the film F is bent so as to extend parallel to the film F It may be That is, it may be bent in the direction away from the opening 2a along the MD direction.
- FIG. 4 is a schematic perspective view of the air nozzle of the present embodiment.
- the air nozzle 21 has a rectangular cylindrical main body 23, an injection slit 24 formed on the ridge of the main body 23, an air supply port 25 provided on the side of the main body 23, and a longitudinal direction of the main body 23. And a pair of brackets 26 attached at both ends.
- the ejection slit 24 is formed on a ridgeline facing the film F of the main body portion 23, and can jet air in a curtain shape in the radial direction of the main body portion 23.
- the air supply port 25 is provided to supply the air jetted from the jet slit 24.
- the pair of brackets 26 is provided to fix the main body 23 to the housing 2, and is attached to the partition plate 5 fixed to the front surface of the housing 2.
- the air nozzle 21 is positioned relative to the housing 2 so that the injection slit 24 extends along the TD direction. As a result, the air nozzle 21 can spray curtain-like air forward of the opening a along the TD direction, and effectively suppresses the leakage of the heated air from the housing 2 and the inflow of the outside air to the housing 2 can do.
- the air nozzle 21 is positioned relative to the housing 2 so as to blow air in a direction away from the opening 2 a along the MD direction with respect to the direction perpendicular to the surface of the film F.
- the air nozzle 21 is positioned with respect to the housing 2 such that the injection angle ⁇ of air with respect to the direction perpendicular to the surface of the film F is inclined to the upstream side in the MD direction.
- the injection angle ⁇ of the air from the air nozzle 21 be adjustable, for example, by rotatably attaching the main body 23 to the bracket 26 about its longitudinal axis.
- the air nozzle 21 can inject air at an arbitrary angle with respect to the direction perpendicular to the surface of the film F in accordance with the transport speed of the film F, that is, the inflow of the outside air due to the accompanying flow. Can be more effectively suppressed.
- the pair of air nozzles 21 and 22 is provided as the second air injection unit 20, but the number of air nozzles, that is, the number of injection slits is not limited to this.
- the number of air nozzles that is, the number of injection slits is not limited to this.
- a plurality of pairs of air nozzles are arranged along the MD direction. May be Alternatively, a plurality of injection slits may be formed along the MD direction in each of the pair of air nozzles.
- the air nozzle as the second air injection unit defines not only the most upstream zone (inlet zone) as in the present embodiment but also the most downstream zone (outlet zone) Similarly, it may be provided at the opening of the housing. In that case, in consideration of the influence by the accompanying flow, it is considered preferable that the injection angle of the air from the air nozzle is inclined to the upstream side in the MD direction (the direction approaching the opening). However, when air is jetted in the direction approaching the opening, the air itself flows into the inside of the housing through the opening, and there is a concern that the temperature uniformity inside the housing is adversely affected. Therefore, when the air nozzle is installed in the outlet zone, it is preferable that the injection angle of air from the air nozzle be inclined to the downstream side in the MD direction (the direction away from the opening).
- the simulation was performed on the tenter oven 1 of FIGS. 1 to 4 under the following conditions. That is, the width of the film F (the distance between the clip covers 3 and 4) is 800 mm, the height of the air nozzles 21 and 22 relative to the surface of the film F is 60 mm, the length of the jet slit 24 is 700 mm, and the distance from the air nozzles 21 and 22 is The injection angle ⁇ of air was set to 20 °.
- the transport speed of the film F was 50 m / min
- the temperature in the housing 2 was 150 ° C.
- the temperature and the jet speed of air jetted from the air nozzles 21 and 22 were 20 ° C. and 5 m / s, respectively.
- FIG. 5 and 6 are diagrams showing simulation results in the example.
- FIG. 5 is a three-dimensionally plotted velocity distribution of air in the opening surface of the housing (the surface defined by the peripheral edge on the upstream side in the MD direction of the opening), and is shown on the surface of the film. It is the figure seen from the perpendicular direction.
- the open surface of the housing is shown by a thick line.
- FIG. 6 is a two-dimensional plot of the temperature distribution of air near the opening of the housing, which is a plot of the temperature distribution on a plane passing through the center of the film in the TD direction and perpendicular to the TD direction. The air flow is also indicated by arrows in FIG. 6 for reference.
- FIG. 7 and FIG. 8 are diagrams showing simulation results in the comparative example, and correspond to FIG. 5 and FIG. 6, respectively.
- FIG. 9 shows the result of measurement under the same conditions as in the example except that the air nozzles 21 and 22 are not provided as a comparative example.
- the heater output always changes at a lower value than in the comparative example, and the average value thereof is 15.48% in the example, but the comparative example Then it was 21.49%. Therefore, in the embodiment, the heater output is suppressed by blocking the flow of air between the inside and the outside of the housing 2 through the opening 2a by the injection of the curtain-like air from the air nozzles 21 and 22. That was confirmed.
- the difference (about 6%) of the heater output of the embodiment and the comparative example is about several kWh in terms of electric energy, but in a film manufacturing apparatus (tenter oven) that it is premised to operate continuously regardless of day and night Is considered to lead to a great energy saving effect.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
Description
本発明の効果を確認するために、筐体2の開口2aを通じた空気の流れと開口2a付近の空気の温度分布について、シミュレーションによる解析を行った。以下、その解析結果について説明する。
2 筐体
3,4 クリップカバー
5,6 仕切板
10 第1の空気噴射部
11,12 ダクト
13 噴射口
14 吸引口
20 第2の空気噴射部
21,22 エアノズル
23 本体部
24 噴射スリット
25 空気供給口
26 ブラケット
Claims (9)
- 筐体であって、該筐体の内部と外部とを連通する開口を備えた筐体と、
前記筐体の内部に配置され、前記開口を通じて前記筐体の内部と外部との間を所定の方向に搬送されるフィルムの表面に向けて加熱空気を吹き付ける第1の空気噴射部と、
前記筐体の外部で前記開口に隣接して配置され、前記搬送されるフィルムの表面に向けて前記所定の方向と交差する方向に空気をカーテン状に吹き付ける第2の空気噴射部と、
を有するフィルム製造装置。 - 前記第2の空気噴射部が、前記搬送されるフィルムを挟んで互いに対向して配置され、前記搬送されるフィルムの両面に空気を噴射する一対の噴射スリットを有する、請求項1に記載のフィルム製造装置。
- 前記第2の空気噴射部が、前記所定の方向に沿って配置された複数対の噴射スリットであって、前記各対の噴射スリットが、前記搬送されるフィルムを挟んで互いに対向して配置され、前記搬送されるフィルムの両面に空気を噴射する、複数対の噴射スリットを有する、請求項1に記載のフィルム製造装置。
- 前記各噴射スリットが、前記所定の方向に垂直な前記フィルムの幅方向に延びている、請求項2または3に記載のフィルム製造装置。
- 前記第2の空気噴射部が、前記搬送されるフィルムの表面に垂直な方向に対して、前記所定の方向に沿って前記開口から離れる方向に空気を吹き付ける、請求項1から4のいずれか1項に記載のフィルム製造装置。
- 前記第2の空気噴射部が、前記搬送されるフィルムの表面に外気を吹き付ける、請求項1から5のいずれか1項に記載のフィルム製造装置。
- 前記第2の空気噴射部が、前記筐体に固定された仕切板に取り付けられている、請求項1から6のいずれか1項に記載のフィルム製造装置。
- 前記仕切板が、前記開口の一部を覆うように前記搬送されるフィルムに向かって延びる部分を有し、前記第2の空気噴射部が、前記仕切板の前記部分に取り付けられている、請求項7に記載のフィルム製造装置。
- 前記仕切板の前記部分の先端が、前記所定の方向に沿って前記開口から離れる方向に折り曲げられている、請求項8に記載のフィルム製造装置。
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HUE17934767A HUE064790T2 (hu) | 2017-12-15 | 2017-12-15 | Filmkészítõ eszköz |
PL17934767.9T PL3725494T3 (pl) | 2017-12-15 | 2017-12-15 | Urządzenie do produkcji folii |
KR1020217042695A KR20220000991A (ko) | 2017-12-15 | 2017-12-15 | 필름 제조 장치 |
KR1020207018247A KR20200086738A (ko) | 2017-12-15 | 2017-12-15 | 필름 제조 장치 |
EP17934767.9A EP3725494B1 (en) | 2017-12-15 | 2017-12-15 | Film manufacturing device |
KR1020247005624A KR20240025723A (ko) | 2017-12-15 | 2017-12-15 | 필름 제조 장치 |
ES17934767T ES2961740T3 (es) | 2017-12-15 | 2017-12-15 | Dispositivo de fabricación de películas |
PCT/JP2017/045096 WO2019116534A1 (ja) | 2017-12-15 | 2017-12-15 | フィルム製造装置 |
JP2019558826A JP6920465B2 (ja) | 2017-12-15 | 2017-12-15 | フィルム製造装置 |
CN201780097600.6A CN111448046B (zh) | 2017-12-15 | 2017-12-15 | 膜制造装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2017/045096 WO2019116534A1 (ja) | 2017-12-15 | 2017-12-15 | フィルム製造装置 |
Publications (1)
Publication Number | Publication Date |
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WO2019116534A1 true WO2019116534A1 (ja) | 2019-06-20 |
Family
ID=66820207
Family Applications (1)
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PCT/JP2017/045096 WO2019116534A1 (ja) | 2017-12-15 | 2017-12-15 | フィルム製造装置 |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP3725494B1 (ja) |
JP (1) | JP6920465B2 (ja) |
KR (3) | KR20240025723A (ja) |
CN (1) | CN111448046B (ja) |
ES (1) | ES2961740T3 (ja) |
HU (1) | HUE064790T2 (ja) |
PL (1) | PL3725494T3 (ja) |
WO (1) | WO2019116534A1 (ja) |
Cited By (1)
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CN112936834A (zh) * | 2021-01-27 | 2021-06-11 | 山东森荣新材料股份有限公司 | Ptfe超精过滤膜生产双向拉伸设备 |
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KR20200086738A (ko) | 2020-07-17 |
CN111448046B (zh) | 2022-05-06 |
JP6920465B2 (ja) | 2021-08-18 |
KR20220000991A (ko) | 2022-01-04 |
CN111448046A (zh) | 2020-07-24 |
HUE064790T2 (hu) | 2024-04-28 |
JPWO2019116534A1 (ja) | 2020-11-26 |
EP3725494A4 (en) | 2021-07-21 |
EP3725494B1 (en) | 2023-10-11 |
ES2961740T3 (es) | 2024-03-13 |
PL3725494T3 (pl) | 2024-04-08 |
KR20240025723A (ko) | 2024-02-27 |
EP3725494A1 (en) | 2020-10-21 |
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