JPS55139652A - Tape taking-up method - Google Patents
Tape taking-up methodInfo
- Publication number
- JPS55139652A JPS55139652A JP4493479A JP4493479A JPS55139652A JP S55139652 A JPS55139652 A JP S55139652A JP 4493479 A JP4493479 A JP 4493479A JP 4493479 A JP4493479 A JP 4493479A JP S55139652 A JPS55139652 A JP S55139652A
- Authority
- JP
- Japan
- Prior art keywords
- tape
- take
- column
- width
- diameter
- 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
Landscapes
- Advancing Webs (AREA)
Abstract
PURPOSE: To prevent a tape from damaging by changing an air column tape loop according to the variation of a take-up diameter by winding the tape around a take- up reel.
CONSTITUTION: According to predetermined pattern 14, width H of an air column is varied corresponding to tape take-up diameter (d) measured by take-up reel 5. The tension of a tape generated in the air column is found by a fixed formula of the tape width, column width H, atmospheric pressure Pa, and column negative pressure Pc. As a result, varying column width H makes it possible to set the take-up tension of the tape corresponding to the variation of tape take-up diameter (d) of the take-up reel according to the predetermined variation pattern.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4493479A JPS55139652A (en) | 1979-04-12 | 1979-04-12 | Tape taking-up method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4493479A JPS55139652A (en) | 1979-04-12 | 1979-04-12 | Tape taking-up method |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55139652A true JPS55139652A (en) | 1980-10-31 |
Family
ID=12705297
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4493479A Pending JPS55139652A (en) | 1979-04-12 | 1979-04-12 | Tape taking-up method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55139652A (en) |
-
1979
- 1979-04-12 JP JP4493479A patent/JPS55139652A/en active Pending
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