JPS6434593A - Method for cutting and processing film - Google Patents
Method for cutting and processing filmInfo
- Publication number
- JPS6434593A JPS6434593A JP62190417A JP19041787A JPS6434593A JP S6434593 A JPS6434593 A JP S6434593A JP 62190417 A JP62190417 A JP 62190417A JP 19041787 A JP19041787 A JP 19041787A JP S6434593 A JPS6434593 A JP S6434593A
- Authority
- JP
- Japan
- Prior art keywords
- film
- laser beam
- cutting
- roll
- cut
- 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.)
- Granted
Links
Landscapes
- Laser Beam Processing (AREA)
Abstract
PURPOSE:To obtain a roll having the satisfactory winding property by cutting an orientated film by a laser beam and afterward, carrying out pressing processing on a cutting part. CONSTITUTION:After the orientated film 1 is continuously conveyed, lug parts 4 on both sides in the width direction of the film 1 are continuously cut and eliminated by a take-up machine 2 and the film 1 is rewound thereby as a film roll 3. The lug parts are cut by the irradiation of the laser beam 5. The laser beam 5 is projected at almost right angles to the rear of the orientated film 1 from an irradiating device 6. A pressing nip roll 11 is provided immediately after a cutting point of the laser beam and the distance between the cutting point and the pressing nip roll 11 is set before the fused and cut film edge is cooled end solidified by heat radiation. By this method, the satisfactory film winding quality without a lug rise is obtained.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62190417A JPS6434593A (en) | 1987-07-31 | 1987-07-31 | Method for cutting and processing film |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62190417A JPS6434593A (en) | 1987-07-31 | 1987-07-31 | Method for cutting and processing film |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6434593A true JPS6434593A (en) | 1989-02-06 |
JPH0316236B2 JPH0316236B2 (en) | 1991-03-05 |
Family
ID=16257790
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62190417A Granted JPS6434593A (en) | 1987-07-31 | 1987-07-31 | Method for cutting and processing film |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6434593A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0815965B2 (en) * | 1990-10-15 | 1996-02-21 | ベロイト・テクノロジーズ・インコーポレイテッド | Apparatus and method for cutting continuous moving webs |
JP2006307057A (en) * | 2005-04-28 | 2006-11-09 | Nippon Synthetic Chem Ind Co Ltd:The | Method for producing polyvinyl alcohol-based film, polyvinyl alcohol-based film and polarizing film, polarizing plate |
JP2007053308A (en) * | 2005-08-19 | 2007-03-01 | Denso Corp | Ignition coil and method of manufacturing same |
WO2008023672A1 (en) * | 2006-08-23 | 2008-02-28 | Nitto Denko Corporation | Optical film cutting method and optical film |
WO2008035591A1 (en) * | 2006-09-22 | 2008-03-27 | Nitto Denko Corporation | Optical film cutting method, and optical film |
JP2009037228A (en) * | 2007-07-06 | 2009-02-19 | Nitto Denko Corp | Polarization plate |
JP2017114027A (en) * | 2015-12-25 | 2017-06-29 | コニカミノルタ株式会社 | Resin film roll, method for producing resin film roll, polarizing plate and image display device |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013180388A (en) * | 2012-03-05 | 2013-09-12 | Kyodo Printing Co Ltd | Cutting blade, method and apparatus of manufacturing the same, and carton with cutting blade |
-
1987
- 1987-07-31 JP JP62190417A patent/JPS6434593A/en active Granted
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0815965B2 (en) * | 1990-10-15 | 1996-02-21 | ベロイト・テクノロジーズ・インコーポレイテッド | Apparatus and method for cutting continuous moving webs |
JP2006307057A (en) * | 2005-04-28 | 2006-11-09 | Nippon Synthetic Chem Ind Co Ltd:The | Method for producing polyvinyl alcohol-based film, polyvinyl alcohol-based film and polarizing film, polarizing plate |
JP2007053308A (en) * | 2005-08-19 | 2007-03-01 | Denso Corp | Ignition coil and method of manufacturing same |
EP2055423A4 (en) * | 2006-08-23 | 2010-11-24 | Nitto Denko Corp | Optical film cutting method and optical film |
JP2008051964A (en) * | 2006-08-23 | 2008-03-06 | Nitto Denko Corp | Method for cutting optical film, and the optical film |
EP2055423A1 (en) * | 2006-08-23 | 2009-05-06 | Nitto Denko Corporation | Optical film cutting method and optical film |
WO2008023672A1 (en) * | 2006-08-23 | 2008-02-28 | Nitto Denko Corporation | Optical film cutting method and optical film |
KR101249080B1 (en) * | 2006-08-23 | 2013-03-29 | 닛토덴코 가부시키가이샤 | Optical film cutting method and optical film |
TWI402129B (en) * | 2006-08-23 | 2013-07-21 | Nitto Denko Corp | Optical film cutting method and optical film |
WO2008035591A1 (en) * | 2006-09-22 | 2008-03-27 | Nitto Denko Corporation | Optical film cutting method, and optical film |
EP2065119A1 (en) * | 2006-09-22 | 2009-06-03 | Nitto Denko Corporation | Optical film cutting method, and optical film |
EP2065119A4 (en) * | 2006-09-22 | 2013-08-07 | Nitto Denko Corp | Optical film cutting method, and optical film |
JP2009037228A (en) * | 2007-07-06 | 2009-02-19 | Nitto Denko Corp | Polarization plate |
JP2017114027A (en) * | 2015-12-25 | 2017-06-29 | コニカミノルタ株式会社 | Resin film roll, method for producing resin film roll, polarizing plate and image display device |
Also Published As
Publication number | Publication date |
---|---|
JPH0316236B2 (en) | 1991-03-05 |
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