JPS56133135A - Controlling method for thickness of film - Google Patents
Controlling method for thickness of filmInfo
- Publication number
- JPS56133135A JPS56133135A JP3489880A JP3489880A JPS56133135A JP S56133135 A JPS56133135 A JP S56133135A JP 3489880 A JP3489880 A JP 3489880A JP 3489880 A JP3489880 A JP 3489880A JP S56133135 A JPS56133135 A JP S56133135A
- Authority
- JP
- Japan
- Prior art keywords
- thickness
- profile
- bolt
- film
- deviation
- 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
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3489880A JPS56133135A (en) | 1980-03-21 | 1980-03-21 | Controlling method for thickness of film |
DE8181300758T DE3176317D1 (en) | 1980-02-28 | 1981-02-24 | Method and apparatus for controlling the thickness of a film product |
EP81300758A EP0035356B1 (en) | 1980-02-28 | 1981-02-24 | Method and apparatus for controlling the thickness of a film product |
US06/238,358 US4409160A (en) | 1980-02-28 | 1981-02-25 | Method for controlling the thickness of a film product |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3489880A JPS56133135A (en) | 1980-03-21 | 1980-03-21 | Controlling method for thickness of film |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56133135A true JPS56133135A (en) | 1981-10-19 |
JPS6359856B2 JPS6359856B2 (en) | 1988-11-21 |
Family
ID=12426993
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3489880A Granted JPS56133135A (en) | 1980-02-28 | 1980-03-21 | Controlling method for thickness of film |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56133135A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4931982A (en) * | 1987-07-17 | 1990-06-05 | Toray Industries, Inc. | Method for controlling the thickness of a sheet material and method for monitoring a correspondence relationship between the thickness distribution across a sheet material and means for adjusting the thickness |
US4994976A (en) * | 1988-02-17 | 1991-02-19 | Mitsubishi Jukogyo Kabushiki Kaisha | Film thickness controller |
JPH1110728A (en) * | 1997-05-01 | 1999-01-19 | Mitsui Chem Inc | Equipment for manufacture of oriented film, and birefringence measuring method |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5236165A (en) * | 1975-09-18 | 1977-03-19 | Mitsubishi Plastics Ind | Method of adjusting thickness of thermoplastic resin film |
JPS5271573A (en) * | 1975-12-12 | 1977-06-15 | Mitsubishi Plastics Ind | Method of adjusting margin thickness of thermoplastic resin elongation film |
JPS5272772A (en) * | 1975-12-15 | 1977-06-17 | Mitsubishi Plastics Ind | Method of adjusting margin thickness of thermoplastic resin elongation film |
-
1980
- 1980-03-21 JP JP3489880A patent/JPS56133135A/en active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5236165A (en) * | 1975-09-18 | 1977-03-19 | Mitsubishi Plastics Ind | Method of adjusting thickness of thermoplastic resin film |
JPS5271573A (en) * | 1975-12-12 | 1977-06-15 | Mitsubishi Plastics Ind | Method of adjusting margin thickness of thermoplastic resin elongation film |
JPS5272772A (en) * | 1975-12-15 | 1977-06-17 | Mitsubishi Plastics Ind | Method of adjusting margin thickness of thermoplastic resin elongation film |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4931982A (en) * | 1987-07-17 | 1990-06-05 | Toray Industries, Inc. | Method for controlling the thickness of a sheet material and method for monitoring a correspondence relationship between the thickness distribution across a sheet material and means for adjusting the thickness |
US4994976A (en) * | 1988-02-17 | 1991-02-19 | Mitsubishi Jukogyo Kabushiki Kaisha | Film thickness controller |
JPH1110728A (en) * | 1997-05-01 | 1999-01-19 | Mitsui Chem Inc | Equipment for manufacture of oriented film, and birefringence measuring method |
Also Published As
Publication number | Publication date |
---|---|
JPS6359856B2 (en) | 1988-11-21 |
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