JPS57118223A - Bend preventing method of film - Google Patents
Bend preventing method of filmInfo
- Publication number
- JPS57118223A JPS57118223A JP442081A JP442081A JPS57118223A JP S57118223 A JPS57118223 A JP S57118223A JP 442081 A JP442081 A JP 442081A JP 442081 A JP442081 A JP 442081A JP S57118223 A JPS57118223 A JP S57118223A
- Authority
- JP
- Japan
- Prior art keywords
- film
- preventing method
- bend preventing
- bending
- exposure
- 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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B1/00—Film strip handling
- G03B1/42—Guiding, framing, or constraining film in desired position relative to lens system
- G03B1/48—Gates or pressure devices, e.g. plate
- G03B1/52—Pneumatic pressure devices
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Holders For Sensitive Materials And Originals (AREA)
Abstract
PURPOSE:To prevent bending of film by spraying air to the film. CONSTITUTION:Compressed air 2 is sprayed from a compressor 3 to a film F which is conveyed by a conveying roller R from the lower part. thus the film F is pressed to a film holding plate A, and accordingly, bending of the film is prevented. As a result, a high-contrast picture is obtained with no out-of-focus phenomenon and without impairing the film surface in case an exposure is carried out by an exposure device C.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP442081A JPS57118223A (en) | 1981-01-14 | 1981-01-14 | Bend preventing method of film |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP442081A JPS57118223A (en) | 1981-01-14 | 1981-01-14 | Bend preventing method of film |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57118223A true JPS57118223A (en) | 1982-07-23 |
Family
ID=11583776
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP442081A Pending JPS57118223A (en) | 1981-01-14 | 1981-01-14 | Bend preventing method of film |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57118223A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109302798A (en) * | 2017-07-25 | 2019-02-01 | 深圳市欧亚建设工程有限公司 | Thin plate support construction |
-
1981
- 1981-01-14 JP JP442081A patent/JPS57118223A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109302798A (en) * | 2017-07-25 | 2019-02-01 | 深圳市欧亚建设工程有限公司 | Thin plate support construction |
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