JPS5649223A - Method and device for transversely stretching film - Google Patents
Method and device for transversely stretching filmInfo
- Publication number
- JPS5649223A JPS5649223A JP12485079A JP12485079A JPS5649223A JP S5649223 A JPS5649223 A JP S5649223A JP 12485079 A JP12485079 A JP 12485079A JP 12485079 A JP12485079 A JP 12485079A JP S5649223 A JPS5649223 A JP S5649223A
- Authority
- JP
- Japan
- Prior art keywords
- film
- rolls
- stretching mechanism
- width
- space
- 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.)
- Pending
Links
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
- B29C55/28—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12485079A JPS5649223A (en) | 1979-09-27 | 1979-09-27 | Method and device for transversely stretching film |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12485079A JPS5649223A (en) | 1979-09-27 | 1979-09-27 | Method and device for transversely stretching film |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5649223A true JPS5649223A (en) | 1981-05-02 |
Family
ID=14895632
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12485079A Pending JPS5649223A (en) | 1979-09-27 | 1979-09-27 | Method and device for transversely stretching film |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5649223A (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6180231U (ja) * | 1984-10-31 | 1986-05-28 | ||
US6916440B2 (en) | 2001-05-31 | 2005-07-12 | 3M Innovative Properties Company | Processes and apparatus for making transversely drawn films with substantially uniaxial character |
US6936209B2 (en) | 2002-11-27 | 2005-08-30 | 3M Innovative Properties Company | Methods and devices for processing polymer films |
US6949212B2 (en) | 2002-11-27 | 2005-09-27 | 3M Innovative Properties Company | Methods and devices for stretching polymer films |
US7153122B2 (en) | 2002-05-28 | 2006-12-26 | 3M Innovative Properties Company | Apparatus for making transversely drawn films with substantially uniaxial character |
US10350818B2 (en) | 2005-04-08 | 2019-07-16 | 3M Innovative Properties Company | Heat setting optical films |
-
1979
- 1979-09-27 JP JP12485079A patent/JPS5649223A/ja active Pending
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6180231U (ja) * | 1984-10-31 | 1986-05-28 | ||
US7229271B2 (en) | 2001-05-31 | 2007-06-12 | 3M Innovative Properties Company | Apparatus for making transversely drawn films with substantially uniaxial character |
US6916440B2 (en) | 2001-05-31 | 2005-07-12 | 3M Innovative Properties Company | Processes and apparatus for making transversely drawn films with substantially uniaxial character |
US10913199B2 (en) | 2001-05-31 | 2021-02-09 | 3M Innovative Properties Company | Processes and apparatus for making transversely drawn films with substantially uniaxial character |
US9314961B2 (en) | 2001-05-31 | 2016-04-19 | 3M Innovative Properties Company | Processes and apparatus for making transversely drawn films with substantially uniaxial character |
US7740470B2 (en) | 2001-05-31 | 2010-06-22 | 3M Innovative Properties Company | Processes and apparatus for making transversely drawn films with substantially uniaxial character |
US7153122B2 (en) | 2002-05-28 | 2006-12-26 | 3M Innovative Properties Company | Apparatus for making transversely drawn films with substantially uniaxial character |
US6949212B2 (en) | 2002-11-27 | 2005-09-27 | 3M Innovative Properties Company | Methods and devices for stretching polymer films |
US7316558B2 (en) | 2002-11-27 | 2008-01-08 | 3M Innovative Properties Company | Devices for stretching polymer films |
US7153123B2 (en) | 2002-11-27 | 2006-12-26 | 3M Innovative Properties Company | Devices for conveying, stretching, and taking-away polymer films |
US7104776B2 (en) | 2002-11-27 | 2006-09-12 | 3M Innovative Properties Company | Methods and devices for stretching polymer films |
US6936209B2 (en) | 2002-11-27 | 2005-08-30 | 3M Innovative Properties Company | Methods and devices for processing polymer films |
US10350818B2 (en) | 2005-04-08 | 2019-07-16 | 3M Innovative Properties Company | Heat setting optical films |
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