JPS5520421A - Measuring method of web irregularity of card - Google Patents
Measuring method of web irregularity of cardInfo
- Publication number
- JPS5520421A JPS5520421A JP9304978A JP9304978A JPS5520421A JP S5520421 A JPS5520421 A JP S5520421A JP 9304978 A JP9304978 A JP 9304978A JP 9304978 A JP9304978 A JP 9304978A JP S5520421 A JPS5520421 A JP S5520421A
- Authority
- JP
- Japan
- Prior art keywords
- web
- equipments
- irregularity
- light receiving
- light
- 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
- Preliminary Treatment Of Fibers (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
PURPOSE: To measure the state of web irregularity without contact with a high precision by arranging plural photoelectric detectors in the card width direction and using obtained electric signals.
CONSTITUTION: Plural light flux projection equipments 51 to 5n and plural light receiving equipments 71 to 7n are arranged in the upper side of web 4 and the lower side of web 4 respectively between doffing unit 2, which takes off web 4 from doffer 1 and transfers it, and calender roller 3 which makes web 4 into a silver and pulls out it. Through light fluxes 61 to 6n from projection equipments 51 to 5n reach light receiving equipments 71 to 7n through web 4, they have intensity changed according to the thickness of web 4, and electric signals according to light quantities of light receiving equipments 71 to 7n are generated. The average value in each measuring point is calculated from values of them, thereby detecting the state of web irregularity.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9304978A JPS5520421A (en) | 1978-07-29 | 1978-07-29 | Measuring method of web irregularity of card |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9304978A JPS5520421A (en) | 1978-07-29 | 1978-07-29 | Measuring method of web irregularity of card |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5520421A true JPS5520421A (en) | 1980-02-13 |
Family
ID=14071645
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9304978A Pending JPS5520421A (en) | 1978-07-29 | 1978-07-29 | Measuring method of web irregularity of card |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5520421A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03122556A (en) * | 1989-10-04 | 1991-05-24 | Nikka Densoku Kk | Method and apparatus of checking translucent sheet-like material |
KR20190056449A (en) | 2016-10-27 | 2019-05-24 | 골드 플래그 가부시키가이샤 | Women's Underwear |
-
1978
- 1978-07-29 JP JP9304978A patent/JPS5520421A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03122556A (en) * | 1989-10-04 | 1991-05-24 | Nikka Densoku Kk | Method and apparatus of checking translucent sheet-like material |
KR20190056449A (en) | 2016-10-27 | 2019-05-24 | 골드 플래그 가부시키가이샤 | Women's Underwear |
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