JP7039757B1 - 延伸フィルムの製造方法 - Google Patents

延伸フィルムの製造方法 Download PDF

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Publication number
JP7039757B1
JP7039757B1 JP2021134531A JP2021134531A JP7039757B1 JP 7039757 B1 JP7039757 B1 JP 7039757B1 JP 2021134531 A JP2021134531 A JP 2021134531A JP 2021134531 A JP2021134531 A JP 2021134531A JP 7039757 B1 JP7039757 B1 JP 7039757B1
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JP
Japan
Prior art keywords
clip
film
pitch
stretching
stretched film
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.)
Active
Application number
JP2021134531A
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English (en)
Japanese (ja)
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JP2022151494A (ja
Inventor
歩夢 中原
享 清水
一志 北岸
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.)
Nitto Denko Corp
Original Assignee
Nitto Denko Corp
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 Nitto Denko Corp filed Critical Nitto Denko Corp
Priority to KR1020220032677A priority Critical patent/KR20220133101A/ko
Application granted granted Critical
Publication of JP7039757B1 publication Critical patent/JP7039757B1/ja
Priority to CN202210298206.1A priority patent/CN115122617A/zh
Publication of JP2022151494A publication Critical patent/JP2022151494A/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
    • B29C55/045—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique in a direction which is not parallel or transverse to the direction of feed, e.g. oblique
    • 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
    • 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • 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
    • 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
    • B29C63/02—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material
    • 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
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00634—Production of filters
    • B29D11/00644—Production of filters polarizing
    • 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
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/0073—Optical laminates
    • 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
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/0074—Production of other optical elements not provided for in B29D11/00009- B29D11/0073
    • B29D11/00788—Producing optical films
    • 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C2037/90—Measuring, controlling or regulating

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Polarising Elements (AREA)
  • Electroluminescent Light Sources (AREA)
  • Laminated Bodies (AREA)
JP2021134531A 2021-03-24 2021-08-20 延伸フィルムの製造方法 Active JP7039757B1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020220032677A KR20220133101A (ko) 2021-03-24 2022-03-16 연신 필름의 제조 방법
CN202210298206.1A CN115122617A (zh) 2021-03-24 2022-03-24 拉伸膜的制造方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021050076 2021-03-24
JP2021050076 2021-03-24

Publications (2)

Publication Number Publication Date
JP7039757B1 true JP7039757B1 (ja) 2022-03-22
JP2022151494A JP2022151494A (ja) 2022-10-07

Family

ID=81214274

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021134531A Active JP7039757B1 (ja) 2021-03-24 2021-08-20 延伸フィルムの製造方法

Country Status (3)

Country Link
JP (1) JP7039757B1 (zh)
KR (1) KR20220133101A (zh)
CN (1) CN115122617A (zh)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003042756A (ja) 2001-07-27 2003-02-13 Teijin Ltd フィルムのしわ検出方法及びそれを用いたフィルムの製造方法
WO2014073021A1 (ja) 2012-11-06 2014-05-15 コニカミノルタ株式会社 長尺延伸フィルムの製造方法
JP2017009883A (ja) 2015-06-25 2017-01-12 コニカミノルタ株式会社 光学フィルムの製造方法、光学フィルム、円偏光板及び表示装置
JP2020151960A (ja) 2019-03-20 2020-09-24 日東電工株式会社 延伸フィルムの製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4845619B2 (ja) 2006-07-19 2011-12-28 東芝機械株式会社 シート・フィルムの斜め延伸方法およびクリップ式シート・フィルム延伸装置
KR101723318B1 (ko) * 2012-10-25 2017-04-04 코니카 미놀타 가부시키가이샤 긴 연신 필름의 제조 방법, 긴 연신 필름, 상기 긴 연신 필름을 사용한 원편광판 및 유기 el 디스플레이
JP5755674B2 (ja) * 2013-03-29 2015-07-29 日東電工株式会社 位相差フィルムの製造方法および円偏光板の製造方法
JP6563201B2 (ja) * 2015-01-14 2019-08-21 日東電工株式会社 偏光膜の製造方法
JP7037950B2 (ja) * 2018-02-07 2022-03-17 日東電工株式会社 フィルム延伸装置および位相差フィルムの製造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003042756A (ja) 2001-07-27 2003-02-13 Teijin Ltd フィルムのしわ検出方法及びそれを用いたフィルムの製造方法
WO2014073021A1 (ja) 2012-11-06 2014-05-15 コニカミノルタ株式会社 長尺延伸フィルムの製造方法
JP2017009883A (ja) 2015-06-25 2017-01-12 コニカミノルタ株式会社 光学フィルムの製造方法、光学フィルム、円偏光板及び表示装置
JP2020151960A (ja) 2019-03-20 2020-09-24 日東電工株式会社 延伸フィルムの製造方法

Also Published As

Publication number Publication date
KR20220133101A (ko) 2022-10-04
CN115122617A (zh) 2022-09-30
JP2022151494A (ja) 2022-10-07

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