KR20090039718A - 광학 필름 제조용 캘린더링 공정 - Google Patents
광학 필름 제조용 캘린더링 공정 Download PDFInfo
- Publication number
- KR20090039718A KR20090039718A KR1020097000925A KR20097000925A KR20090039718A KR 20090039718 A KR20090039718 A KR 20090039718A KR 1020097000925 A KR1020097000925 A KR 1020097000925A KR 20097000925 A KR20097000925 A KR 20097000925A KR 20090039718 A KR20090039718 A KR 20090039718A
- Authority
- KR
- South Korea
- Prior art keywords
- optical film
- film
- roll
- polymeric material
- recited
- 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.)
- Withdrawn
Links
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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
- B29C43/24—Calendering
-
- 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
- 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
- B29C55/023—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets using multilayered 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
- 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
- B29C55/06—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
- B29C55/065—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed in several stretching steps
-
- 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
- B29C55/14—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively
- B29C55/143—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively firstly parallel to the direction of feed and then transversely thereto
-
- 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
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B23/00—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose
- B32B23/04—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose comprising such cellulosic plastic substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B23/08—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose comprising such cellulosic plastic substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
- B29K2995/0031—Refractive
- B29K2995/0032—Birefringent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
- B29K2995/0034—Polarising
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
- Y10T428/2457—Parallel ribs and/or grooves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ophthalmology & Optometry (AREA)
- Polarising Elements (AREA)
- Laminated Bodies (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Optical Elements Other Than Lenses (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US80765506P | 2006-07-18 | 2006-07-18 | |
| US60/807,655 | 2006-07-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20090039718A true KR20090039718A (ko) | 2009-04-22 |
Family
ID=38957106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020097000925A Withdrawn KR20090039718A (ko) | 2006-07-18 | 2007-07-18 | 광학 필름 제조용 캘린더링 공정 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20080020186A1 (enExample) |
| EP (1) | EP2040910A4 (enExample) |
| JP (1) | JP2009544062A (enExample) |
| KR (1) | KR20090039718A (enExample) |
| CN (1) | CN101489770A (enExample) |
| TW (1) | TW200815181A (enExample) |
| WO (1) | WO2008011464A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200031794A (ko) * | 2018-09-17 | 2020-03-25 | 주식회사 창영기계 | 시트/필름의 롤 성형 장치 및 롤 성형 방법 |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2020339B1 (de) * | 2007-07-31 | 2012-03-28 | Micronas GmbH | Auslösevorrichtung für eine Sicherheitseinrichtung in einem Kraftfahrzeug |
| US20110051040A1 (en) * | 2008-03-28 | 2011-03-03 | Johnson Stephen A | Thick polyester films for optical articles and optical articles |
| US8012571B2 (en) * | 2008-05-02 | 2011-09-06 | 3M Innovative Properties Company | Optical film comprising birefringent naphthalate copolyester having branched or cyclic C4-C10 alkyl units |
| KR100886206B1 (ko) * | 2008-09-01 | 2009-02-27 | 바이엘쉬트코리아 주식회사 | 광학 시트 및 광학 시트 제조방법 |
| CN101885219A (zh) * | 2010-06-29 | 2010-11-17 | 苏州奥美光学材料有限公司 | 一种超薄型高透明聚碳酸酯薄膜的制造装置及其制造方法 |
| WO2012003213A1 (en) | 2010-06-30 | 2012-01-05 | 3M Innovative Properties Company | Diffuse reflective optical films with spatially selective birefringence reduction |
| CN103038681B (zh) | 2010-06-30 | 2016-09-28 | 3M创新有限公司 | 使用具有空间选择性双折射减小的膜的掩模加工 |
| CN103038680B (zh) | 2010-06-30 | 2015-12-02 | 3M创新有限公司 | 具有空间选择性双折射减小的延迟膜组合 |
| JPWO2012035874A1 (ja) * | 2010-09-14 | 2014-02-03 | 日立化成株式会社 | ノルボルナン骨格を有するポリエステル及びその製造方法 |
| AU2011309426B2 (en) * | 2010-09-28 | 2015-04-23 | Kuraray Co., Ltd. | Film for plant cultivation |
| EP2511614B1 (en) * | 2011-04-14 | 2016-07-06 | Electrolux Home Products Corporation N.V. | Method for operating a steam oven and steam oven |
| US20140264979A1 (en) * | 2013-03-13 | 2014-09-18 | Transitions Opticals, Inc. | Method of preparing photochromic-dichroic films having reduced optical distortion |
| WO2014153014A1 (en) * | 2013-03-15 | 2014-09-25 | Davis-Standard, Llc | Apparatus and method for manufacturing and processing films having strips of increased thickness |
| JP6454468B2 (ja) * | 2013-12-26 | 2019-01-16 | 日東電工株式会社 | 延伸積層体の製造方法、該製造方法により得られる延伸積層体、該延伸積層体を用いた偏光膜の製造方法、および延伸装置 |
| JP6527505B2 (ja) * | 2014-03-31 | 2019-06-05 | 株式会社クラレ | 二軸延伸フィルムの製造方法 |
| US9720155B2 (en) | 2014-05-02 | 2017-08-01 | Sabic Global Technologies | Multilayered articles with low optical retardation |
| JP6370190B2 (ja) * | 2014-10-24 | 2018-08-08 | 住友化学株式会社 | 偏光板ロール |
| JP6502059B2 (ja) * | 2014-10-24 | 2019-04-17 | 住友化学株式会社 | 偏光板ロール |
| KR101915110B1 (ko) * | 2015-12-29 | 2018-11-05 | 도레이케미칼 주식회사 | 복합 반사편광 필름의 제조방법 |
| CN110622046B (zh) * | 2017-05-15 | 2022-07-08 | 日本电气硝子株式会社 | 透明物品以及透明物品的制造方法 |
| JP2021162622A (ja) * | 2020-03-30 | 2021-10-11 | 住友ベークライト株式会社 | 反射偏光板 |
| CN116721074B (zh) * | 2023-06-07 | 2024-02-13 | 昊泽吉顺新材料(深圳)有限公司 | 基于图像分析的手机保护膜生产质量检测系统 |
Family Cites Families (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB740393A (en) * | 1952-06-05 | 1955-11-09 | Du Pont | Improvements relating to the stretching of film of synthetic linear organic polymeric material |
| GB1328255A (en) * | 1970-08-27 | 1973-08-30 | Toyo Boseki | Process and apparatus for stretching films of polymeric material |
| GB1419972A (en) * | 1972-11-23 | 1975-12-31 | Mccall J D | Method and apparatus for stretching plastic material |
| US4734229A (en) * | 1984-11-13 | 1988-03-29 | Entek Manufacturing Inc. | Method for calendering temperature-critical thermoplastic material using a two-phase heat transfer medium |
| US6498683B2 (en) * | 1999-11-22 | 2002-12-24 | 3M Innovative Properties Company | Multilayer optical bodies |
| US5882774A (en) * | 1993-12-21 | 1999-03-16 | Minnesota Mining And Manufacturing Company | Optical film |
| US5867316A (en) * | 1996-02-29 | 1999-02-02 | Minnesota Mining And Manufacturing Company | Multilayer film having a continuous and disperse phase |
| AU2124597A (en) * | 1996-02-29 | 1997-09-16 | Minnesota Mining And Manufacturing Company | An optical film with co-continuous phases |
| US5825543A (en) * | 1996-02-29 | 1998-10-20 | Minnesota Mining And Manufacturing Company | Diffusely reflecting polarizing element including a first birefringent phase and a second phase |
| JP3825143B2 (ja) * | 1997-07-07 | 2006-09-20 | 株式会社興人 | 易接着性ポリアミドフィルム |
| US6808658B2 (en) * | 1998-01-13 | 2004-10-26 | 3M Innovative Properties Company | Method for making texture multilayer optical films |
| US6531230B1 (en) * | 1998-01-13 | 2003-03-11 | 3M Innovative Properties Company | Color shifting film |
| US6157490A (en) * | 1998-01-13 | 2000-12-05 | 3M Innovative Properties Company | Optical film with sharpened bandedge |
| US6179948B1 (en) * | 1998-01-13 | 2001-01-30 | 3M Innovative Properties Company | Optical film and process for manufacture thereof |
| EP1047551B1 (en) * | 1998-01-13 | 2005-03-23 | Minnesota Mining And Manufacturing Company | Modified copolyesters and improved multilayer reflective films |
| HUP0101089A3 (en) * | 1998-03-11 | 2002-12-28 | Novartis Ag | Novel plant plastid promoter sequence |
| TW452659B (en) * | 1999-06-07 | 2001-09-01 | Nitto Denko Corp | Diffusing adhesive layer, optical member and liquid-crystal display device |
| WO2001025826A1 (en) * | 1999-10-04 | 2001-04-12 | Sekisui Chemical Co., Ltd. | Protecting film for polarizing plate and polarizing plate |
| JP2002365435A (ja) * | 2001-04-03 | 2002-12-18 | Nitto Denko Corp | 配向フィルムの製造方法、偏光フィルム、偏光板および液晶表示装置 |
| JP4818531B2 (ja) * | 2001-05-07 | 2011-11-16 | 日東電工株式会社 | 配向フィルムの製造方法、偏光フィルム、偏光板および液晶表示装置 |
| US7462381B2 (en) * | 2002-04-26 | 2008-12-09 | Nitto Denko Corporation | Method for producing birefringent film |
| JP3957700B2 (ja) * | 2003-04-25 | 2007-08-15 | 日東電工株式会社 | 偏光フィルムの製造方法 |
| JP4236098B2 (ja) * | 2003-08-01 | 2009-03-11 | 日東電工株式会社 | 複屈折性光学フィルム |
| JP3783958B2 (ja) * | 2003-09-01 | 2006-06-07 | 日東電工株式会社 | 複合複屈折部材 |
| JP3802544B2 (ja) * | 2004-07-29 | 2006-07-26 | 日東電工株式会社 | 位相差板、及び新規ポリマー、及び光学フィルム、及び画像表示装置 |
| EP1791005A1 (en) * | 2004-09-15 | 2007-05-30 | Teijin Limited | Retardation film |
| CN101180554B (zh) * | 2005-04-08 | 2012-03-21 | 3M创新有限公司 | 热定形光学薄膜 |
-
2007
- 2007-07-18 WO PCT/US2007/073786 patent/WO2008011464A1/en not_active Ceased
- 2007-07-18 JP JP2009520976A patent/JP2009544062A/ja not_active Withdrawn
- 2007-07-18 KR KR1020097000925A patent/KR20090039718A/ko not_active Withdrawn
- 2007-07-18 TW TW096126162A patent/TW200815181A/zh unknown
- 2007-07-18 CN CNA2007800268831A patent/CN101489770A/zh active Pending
- 2007-07-18 US US11/779,701 patent/US20080020186A1/en not_active Abandoned
- 2007-07-18 EP EP07799680A patent/EP2040910A4/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200031794A (ko) * | 2018-09-17 | 2020-03-25 | 주식회사 창영기계 | 시트/필름의 롤 성형 장치 및 롤 성형 방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20080020186A1 (en) | 2008-01-24 |
| EP2040910A4 (en) | 2012-03-07 |
| EP2040910A1 (en) | 2009-04-01 |
| WO2008011464A1 (en) | 2008-01-24 |
| JP2009544062A (ja) | 2009-12-10 |
| CN101489770A (zh) | 2009-07-22 |
| TW200815181A (en) | 2008-04-01 |
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| KR20090077764A (ko) | 광학 필름의 롤 |
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