WO2001032402A1 - Dispositif et procede permettant la production d'un film - Google Patents

Dispositif et procede permettant la production d'un film Download PDF

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Publication number
WO2001032402A1
WO2001032402A1 PCT/JP2000/007688 JP0007688W WO0132402A1 WO 2001032402 A1 WO2001032402 A1 WO 2001032402A1 JP 0007688 W JP0007688 W JP 0007688W WO 0132402 A1 WO0132402 A1 WO 0132402A1
Authority
WO
WIPO (PCT)
Prior art keywords
film
width
take
adjusting device
roll
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/JP2000/007688
Other languages
English (en)
Japanese (ja)
Inventor
Tadashi Fujii
Toshiaki Matsubara
Hiroaki Hironaka
Tsutomu Akitomo
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.)
Toyo Kohan Co Ltd
Original Assignee
Toyo Kohan Co Ltd
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 Toyo Kohan Co Ltd filed Critical Toyo Kohan Co Ltd
Priority to AU10529/01A priority Critical patent/AU1052901A/en
Publication of WO2001032402A1 publication Critical patent/WO2001032402A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
    • B65H23/188—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
    • B65H23/192—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web motor-controlled
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
    • B29C48/31—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets being adjustable, i.e. having adjustable exit sections
    • B29C48/313—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets being adjustable, i.e. having adjustable exit sections by positioning the die lips
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92114—Dimensions
    • B29C2948/92133—Width or height
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92114—Dimensions
    • B29C2948/92152—Thickness
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92323—Location or phase of measurement
    • B29C2948/92438—Conveying, transporting or storage of articles
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • B29C2948/926—Flow or feed rate
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92609—Dimensions
    • B29C2948/92628—Width or height
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92609—Dimensions
    • B29C2948/92647—Thickness
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92923—Calibration, after-treatment or cooling zone
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92933—Conveying, transporting or storage of articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10—Size; Dimensions
    • B65H2511/12—Width
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10—Size; Dimensions
    • B65H2511/13—Thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/10—Speed

Definitions

  • the present invention achieves the target width and thickness at the same time by using a film width adjustment device that changes and adjusts the width and thickness of the film by stretching the film in the manufacturing process of the film used for resin-coated steel sheet etc. Further, the present invention relates to a film manufacturing apparatus and a film manufacturing method capable of improving the yield by reducing the cut-off amount and improving the productivity by controlling the thickness at the maximum extrusion amount.
  • the width of the T die exit at the time of film formation was adjusted to reduce the amount of ear dust in order to meet the target width and to improve the yield, and a method of cutting off the parts other than the product width and re-cutting the cut parts The method of using repro has been used.
  • the latter method is generally used by repro.However, when a film of two or more layers is used, the quality is deteriorated due to the material change by repro and the repro rate cannot be increased. There was a problem. In addition, when the product width is narrow, the amount of cut-off increases, and the increase in the amount of product does not increase with the increase in the extrusion amount of the T-die. There was a problem that it was difficult to achieve.
  • the present invention solves the problem of poor quality in improving the yield by the above-described width adjustment, particularly, the problem that it is difficult to improve the productivity when the product width is narrow, and the extrusion amount of the extruder is solved. It is an object of the present invention to provide a film manufacturing apparatus and a method capable of adjusting a film to an El standard width even when the film has a large capacity. Disclosure of the invention
  • the film manufacturing apparatus is a film manufacturing apparatus including an extruder such as a T-die, which is sequentially arranged in series from the upstream side to the downstream side, a take-up roll, and a take-up reel.
  • the film width adjusting device is incorporated at a position downstream of the take-up roll and upstream of the take-up reel.
  • the film manufacturing apparatus comprises a width measuring device and a film thickness measuring device for measuring the width and thickness of the film stretched by the
  • the film manufacturing apparatus is characterized in that the stretching magnification is adjusted and the peripheral speed of the film from the take-up reel to the take-up reel or the amount of the film pushed out from the extruder is automatically adjusted. It is characterized by.
  • a film manufacturing method is a method for manufacturing a film, comprising: using the above-described film manufacturing apparatus, adjusting a film width by a film width adjusting device, and adjusting a film thickness of the film to a peripheral speed of a take-off roll immediately after the extruder. It is characterized in that it is adjusted by the amount of film extruded from the T die.
  • a width measuring device and a film thickness measuring device for measuring a width and a film thickness of the film stretched by the film width adjusting device are arranged downstream of the film width adjusting device. After adjusting the stretching ratio of the film in the film width adjusting device based on the film width measured by the width measuring device after passing through the film width adjusting device, The peripheral speed of the film from the take-up roll to the take-up reel or the amount of film extruded from the extruder is adjusted based on the film thickness measured by the film thickness measuring device after passing through the film width adjusting device. .
  • the adjustment of the stretching magnification and the adjustment of the peripheral speed of the film from the take-up reel to the take-up reel or the amount of extruding the film from the extruder are automatically performed. It is characterized by the following. BRIEF DESCRIPTION OF THE FIGURES
  • FIG. 1 is a process diagram showing the overall configuration of a film manufacturing apparatus according to a first embodiment of the present invention.
  • FIG. 2 is a conceptual perspective view of a film width adjusting device of the film manufacturing apparatus.
  • FIG. 3 is a specific perspective view of a film width adjusting device of the film manufacturing apparatus.
  • FIG. 4 is a block diagram showing the overall configuration of the film manufacturing apparatus according to the second embodiment of the present invention. BEST MODE FOR CARRYING OUT THE INVENTION
  • a film manufacturing apparatus and a film manufacturing method according to the present invention are directed to a film manufacturing apparatus including: an extruder such as a T-die, which is sequentially arranged in series from an upstream side to a downstream side; a take-up roll; and a take-up reel.
  • an extruder such as a T-die
  • a take-up roll By incorporating a film width adjustment device downstream of the take-up roll, the film width and film thickness can be adjusted as desired before the film is taken up by the take-up reel.
  • the target width shrinkage is calculated from the film width after take-off and the target film width, and the stretching ratio is calculated based on the target width shrinkage. If the stretching magnification is known, the target film thickness of the film after the take-up roll can be calculated from the product film thickness. From these, the stretching magnification and the target thickness of the film after the drawing can be calculated as, so that the film formation and the stretching can be performed using these as initial conditions.
  • the difference between the calculated value and the actual value is calculated using the film thickness measuring device and film width measuring device.
  • the film width are measured, and the difference is fed back.
  • the film width is adjusted by increasing or decreasing the stretching ratio of the film width adjusting device, and the film thickness is adjusted by the peripheral speed of the take-up roll immediately after the extruder or the amount of film extruded from the extruder.
  • a film having a good film thickness distribution in the width direction can be formed with a film thickness distribution measuring device. In this case, the film quality does not deteriorate, and the width and thickness can be adjusted at the same time because each adjustment unit is separate.
  • the film can be adjusted to the target width and the target film thickness by increasing the stretching ratio of the film width adjusting device and increasing the film thickness on the entrance side of the film width adjusting device.
  • the adjustment of the target width and the target film thickness of the film is performed by taking the actual width value from the width measuring device after passing through the film width adjusting device, adjusting the stretching magnification, and measuring the film thickness after passing through the film width adjusting device.
  • This can be realized by taking in the actual film thickness value from the device, and adjusting the peripheral speed of the take-up port immediately after the extruder or the amount of film extruded from the extruder.
  • the adjustment of the stretching magnification and the peripheral speed of the take-up roll immediately after the extruder or the amount of the film extruded from the extruder may be manually adjusted, or may be automatically adjusted by utilizing the above system.
  • the intermesh amount of the vertical stripes added to the film is changed in conjunction with the enlargement magnification.
  • a T-die 10 an example of an extruder, a take-up roll 11, a film width adjusting device 12, and a take-up reel 13 are arranged in this order from the upstream side to the downstream side.
  • the T-die 10 is used to cause the film material in a molten state to flow out through an outlet adjusting section 14 that regulates the opening width and the opening length.
  • the take-up roll 1 1/0 takes up the film 15 by its rotational drive and forms a film in cooperation with the T-die 10.
  • the take-up roll 11 is a first drive capable of controlling the number of rotations. Linked to motor 16
  • the film width adjusting device 12 is a device that adjusts the width of the film 15 to a target width by stretching the film 15, and as shown in FIGS. 1 to 3, substantially, / 5 ′′
  • a heated fluid tank 17 composed of a hot water tank, etc.
  • a width direction restraining portion 19 composed of a roll 18 arranged upstream of the heated fluid tank 17, and a roll arranged downstream of the heated fluid tank 17 20 and a reversing roll 22 arranged in the heating fluid tank 17 and reversing the film 15.
  • the stretching roll 21 includes a bow I stretching roll.
  • a second drive motor 23 that makes the stretching speed of the unit 21 variable is interlockingly connected.
  • the take-up reel 13 is for taking up the film 15 adjusted to the target width.
  • the film manufacturing apparatus having the above configuration further has the following configuration.
  • a film width measuring device 25 is provided downstream of the film width adjusting device 12 to measure the width of the film 15 after the width is adjusted by the 5 ′′ film width adjusting device 12. Then, the measured film width value of the film width measuring device 25 is compared with the target width value, and the difference is fed back to the second drive motor 23 of the stretching roll unit 21. It is configured.
  • a film thickness measuring device 26 for measuring / measuring / measuring the film thickness (average value) of the film 15 is provided downstream of the film width adjusting device 12. Then, the film thickness measurement value of the film thickness measuring device 26 is compared with the target film thickness value, and the difference is fed back to the first drive motor 16 of the take-off roll 11. .
  • the target width shrinkage is calculated from the width of the film 15 after the take-off and the target width of the film 15, and the stretching magnification is calculated based on the target width shrinkage.
  • the target film thickness after the take-off roll 11 can be calculated from the product film thickness. From these, it is possible to calculate the stretching magnification and the target of the film thickness after the drawing, so that the film formation and the stretching can be performed as follows using these as initial conditions.
  • the film 15 formed with a predetermined width and a predetermined film thickness by the T die 10 and the take-up roll 11 is conveyed to the film width adjusting device 12, and the width direction restraining portion 19, the predetermined temperature is controlled.
  • the heating fluid tank 17 can be stretched while being heated through the inside of the heated fluid tank 17 and the stretching roll 21.
  • the peripheral speed of the roll 20 of the stretching roll portion 21 is equal to the roll speed of the width direction restraining portion 19.
  • the film 15 is stretched as shown in FIG. At the same time, it is conveyed at room temperature from the width direction restraining portion 19 to the reversing roll 22 at a predetermined distance D to the warming-out intermediary temperature A, and then the predetermined temperature is set in the heating fluid tank 17. Heat evenly at temperature.
  • the film 15 can be more uniformly heated over the entire width as compared with a gas. Therefore, the film 15 after the heating and stretching temperature ⁇ can be stretched almost in an unconstrained state, can be uniformly shrunk in the lateral direction, and can be smoothly adjusted in width.
  • the width and thickness of the film 15 can be accurately adjusted as desired before winding by the winding reel 13.
  • the film width and the film thickness of the film 15 are measured by the film width measuring device 25 and the film thickness measuring device 26, and feedback is performed based on a difference between the target value (calculated value) and the measured value (actual value). That is, the film width is adjusted by driving the second drive motor 23 to adjust the peripheral speed of the roll 20 of the stretching roll section 21 to increase or decrease the stretching magnification of the film width adjusting device 12. Done by On the other hand, the adjustment of the film thickness is performed by driving the first drive motor 16 to adjust the peripheral speed of the take-up roll 11 immediately after the T-die 10.
  • the width direction film thickness distribution is measured by the film thickness distribution measuring device 24, and the exit adjusting portion 14 of the T-die 10 is driven based on the difference between the target value and the measured value, and the thickness from the exit is measured.
  • the extrusion amount 2 mm By adjusting the extrusion amount 2 mm, a film 15 having a good film thickness distribution in the width direction can be formed.
  • the quality of the film 15 does not deteriorate, and the film width and the film thickness adjusting unit are provided independently of each other. The thickness can be adjusted.
  • the target width and the target film can be increased by increasing the stretching ratio of the film width adjuster 12 and increasing the film thickness of the film 15 on the entry side of the film width adjuster 12. Thickness can be adjusted.
  • the width measurement value (actual width value) is taken from the film width measuring device 25 after passing through the film width adjusting device K 12, the stretching magnification is automatically adjusted, and the film width after passing through the film width adjusting device 12.
  • the film thickness measurement value (actual film thickness value) is taken in from the thickness measurement device 26, and the peripheral speed of the take-up port 11 immediately after the die 10 is automatically adjusted.
  • the width and thickness of the film 15 are measured by measuring the thickness distribution in the width direction and driving the exit adjustment unit 14 of the die 10 to adjust the amount of extrusion from the exit based on the difference between the target value and the measured value. Can be automatically adjusted. At this time, the extruded amount of the film 15 can be almost maximized except for the automatically adjusted amount, so that the productivity of the film 15 can be maximized.
  • the present embodiment is different from the first embodiment in that the film thickness distribution measuring device 24 is arranged downstream of the film width adjusting device 12. . Also in this case, the film thickness distribution in the width direction is measured by the film thickness distribution measuring device 24, and a film 15 having a good film thickness distribution in the width direction can be formed by the difference between the target value and the measured value.
  • the film manufacturing apparatus and method of the present invention can maintain the film with the target width even at the maximum extrusion amount without deteriorating the quality irrespective of the film configuration (number of layers, etc.). Thickness can be adjusted to improve yield and productivity Can be realized simultaneously,

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)

Abstract

L'invention concerne un dispositif et procédé permettant la production d'un film capables de résoudre le problème de qualité, notamment le problème lié à une augmentation difficile de la productivité en raison de la faible épaisseur du produit, en ajustant la largeur du produit pour en augmenter la production et capables d'ajuster une largeur et une épaisseur cible même si la quantité de produit extrudé à partir d'une matrice en T atteint le maximum de sa capacité. Le dispositif de production du film comprend une matrice en T (10), un rouleau de transmission (11) et une bobine d'enroulement (13). Le procédé de production du film consiste à monter un dispositif de réglage (12) de la largeur du film dans le dispositif de production, à ajuster la largeur du film à l'aide du dispositif (12) et à régler l'épaisseur du film grâce à une vitesse périphérique du rouleau (11) qui se trouve immédiatement après la matrice en T (10) ou après la quantité de produit extrudé de la matrice en T (10).
PCT/JP2000/007688 1999-11-02 2000-11-01 Dispositif et procede permettant la production d'un film Ceased WO2001032402A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU10529/01A AU1052901A (en) 1999-11-02 2000-11-01 Device and method for manufacturing film

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11/312768 1999-11-02
JP31276899 1999-11-02

Publications (1)

Publication Number Publication Date
WO2001032402A1 true WO2001032402A1 (fr) 2001-05-10

Family

ID=18033195

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2000/007688 Ceased WO2001032402A1 (fr) 1999-11-02 2000-11-01 Dispositif et procede permettant la production d'un film

Country Status (4)

Country Link
AU (1) AU1052901A (fr)
MY (1) MY132001A (fr)
TW (1) TW464609B (fr)
WO (1) WO2001032402A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008119991A (ja) * 2006-11-14 2008-05-29 Toshiba Mach Co Ltd シート成形装置の制御方法
JP2019177643A (ja) * 2018-03-30 2019-10-17 住友重機械工業株式会社 フィルム成形装置および制御装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4318480B1 (fr) * 1965-07-27 1968-08-07
JPS6049912A (ja) * 1983-08-31 1985-03-19 Toray Ind Inc 膜または板状物の製造装置
JPS63246222A (ja) * 1987-04-02 1988-10-13 Johoku Seikosho:Kk Ｔダイ
US4978289A (en) * 1989-10-05 1990-12-18 Jyohoku Seiko Co., Ltd. Film extrusion die
JPH10175254A (ja) * 1996-12-19 1998-06-30 Diafoil Co Ltd 二軸延伸フイルムの製造方法およびそれに使用するテンター装置
JPH1120001A (ja) * 1997-07-07 1999-01-26 Toray Ind Inc シート状物の製造装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4318480B1 (fr) * 1965-07-27 1968-08-07
JPS6049912A (ja) * 1983-08-31 1985-03-19 Toray Ind Inc 膜または板状物の製造装置
JPS63246222A (ja) * 1987-04-02 1988-10-13 Johoku Seikosho:Kk Ｔダイ
US4978289A (en) * 1989-10-05 1990-12-18 Jyohoku Seiko Co., Ltd. Film extrusion die
JPH10175254A (ja) * 1996-12-19 1998-06-30 Diafoil Co Ltd 二軸延伸フイルムの製造方法およびそれに使用するテンター装置
JPH1120001A (ja) * 1997-07-07 1999-01-26 Toray Ind Inc シート状物の製造装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008119991A (ja) * 2006-11-14 2008-05-29 Toshiba Mach Co Ltd シート成形装置の制御方法
JP2019177643A (ja) * 2018-03-30 2019-10-17 住友重機械工業株式会社 フィルム成形装置および制御装置
JP7045242B2 (ja) 2018-03-30 2022-03-31 住友重機械工業株式会社 フィルム成形装置および制御装置

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