JP6988014B1 - 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
JP6988014B1
JP6988014B1 JP2021057328A JP2021057328A JP6988014B1 JP 6988014 B1 JP6988014 B1 JP 6988014B1 JP 2021057328 A JP2021057328 A JP 2021057328A JP 2021057328 A JP2021057328 A JP 2021057328A JP 6988014 B1 JP6988014 B1 JP 6988014B1
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JP
Japan
Prior art keywords
film
clip
roll
pitch
stretched film
Prior art date
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Active
Application number
JP2021057328A
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English (en)
Japanese (ja)
Other versions
JP2022154340A (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
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Nitto Denko Corp
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Filing date
Publication date
Application filed by Nitto Denko Corp filed Critical Nitto Denko Corp
Priority to JP2021057328A priority Critical patent/JP6988014B1/ja
Application granted granted Critical
Publication of JP6988014B1 publication Critical patent/JP6988014B1/ja
Priority to KR1020220038887A priority patent/KR20220136224A/ko
Priority to CN202210328663.0A priority patent/CN115139505A/zh
Publication of JP2022154340A publication Critical patent/JP2022154340A/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
    • 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
    • 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
    • B29C55/18—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets by squeezing between surfaces, e.g. rollers
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
    • G02B5/3041—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3083—Birefringent or phase retarding elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Polarising Elements (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
JP2021057328A 2021-03-30 2021-03-30 延伸フィルムの製造方法 Active JP6988014B1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2021057328A JP6988014B1 (ja) 2021-03-30 2021-03-30 延伸フィルムの製造方法
KR1020220038887A KR20220136224A (ko) 2021-03-30 2022-03-29 연신 필름의 제조 방법
CN202210328663.0A CN115139505A (zh) 2021-03-30 2022-03-30 拉伸膜的制造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2021057328A JP6988014B1 (ja) 2021-03-30 2021-03-30 延伸フィルムの製造方法

Publications (2)

Publication Number Publication Date
JP6988014B1 true JP6988014B1 (ja) 2022-01-05
JP2022154340A JP2022154340A (ja) 2022-10-13

Family

ID=79239697

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021057328A Active JP6988014B1 (ja) 2021-03-30 2021-03-30 延伸フィルムの製造方法

Country Status (3)

Country Link
JP (1) JP6988014B1 (ko)
KR (1) KR20220136224A (ko)
CN (1) CN115139505A (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114368176B (zh) * 2022-01-14 2023-07-04 宿迁市金田塑业有限公司 双向拉伸聚乙烯热封薄膜的制备工艺及自动化流水线

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005227650A (ja) * 2004-02-16 2005-08-25 Sumitomo Chemical Co Ltd 偏光フィルムの製造方法、偏光板および光学積層体
JP2007076313A (ja) * 2005-09-16 2007-03-29 Sekisui Chem Co Ltd 延伸熱可塑性ポリエステル系樹脂シートの製造方法
JP2012027459A (ja) * 2010-06-22 2012-02-09 Sumitomo Chemical Co Ltd 偏光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
WO2016152384A1 (ja) * 2015-03-20 2016-09-29 コニカミノルタ株式会社 斜め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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4697964B2 (ja) * 2006-02-24 2011-06-08 日東電工株式会社 偏光子の製造方法および洗浄装置
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
CN101909857B (zh) * 2007-12-27 2013-07-10 株式会社钟化 拉伸膜的制造方法、膜的制造方法及膜
CN203759287U (zh) * 2014-02-28 2014-08-06 日东电工株式会社 偏光膜的制造装置
JP6811537B2 (ja) * 2016-02-19 2021-01-13 住友化学株式会社 エキスパンダ装置、多孔質フィルム製造装置、及び多孔質フィルム製造方法
JP7253412B2 (ja) * 2019-03-20 2023-04-06 日東電工株式会社 延伸フィルムの製造方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005227650A (ja) * 2004-02-16 2005-08-25 Sumitomo Chemical Co Ltd 偏光フィルムの製造方法、偏光板および光学積層体
JP2007076313A (ja) * 2005-09-16 2007-03-29 Sekisui Chem Co Ltd 延伸熱可塑性ポリエステル系樹脂シートの製造方法
JP2012027459A (ja) * 2010-06-22 2012-02-09 Sumitomo Chemical Co Ltd 偏光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
WO2016152384A1 (ja) * 2015-03-20 2016-09-29 コニカミノルタ株式会社 斜め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

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Publication number Publication date
CN115139505A (zh) 2022-10-04
KR20220136224A (ko) 2022-10-07
JP2022154340A (ja) 2022-10-13

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