GB1346961A - Apparatus for maintining a constant winding pull during winding and unwinding of a web of fabric - Google Patents
Apparatus for maintining a constant winding pull during winding and unwinding of a web of fabricInfo
- Publication number
- GB1346961A GB1346961A GB1935072A GB1935072A GB1346961A GB 1346961 A GB1346961 A GB 1346961A GB 1935072 A GB1935072 A GB 1935072A GB 1935072 A GB1935072 A GB 1935072A GB 1346961 A GB1346961 A GB 1346961A
- Authority
- GB
- United Kingdom
- Prior art keywords
- web
- unwinding
- signals
- winding
- maintining
- 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.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
- B65H23/195—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in winding mechanisms or in connection with winding operations
- B65H23/1955—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in winding mechanisms or in connection with winding operations and controlling web tension
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/044—Sensing web tension
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/06—Registering, tensioning, smoothing or guiding webs longitudinally by retarding devices, e.g. acting on web-roll spindle
- B65H23/063—Registering, tensioning, smoothing or guiding webs longitudinally by retarding devices, e.g. acting on web-roll spindle and controlling web tension
Landscapes
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
1346961 Automatic control of web tension HYDREL A G 26 April 1972 [26 April 1971] 19350/72 Heading G3R In a system for keeping constant tension in a web 1 during winding or unwinding by controlling the speed of a hydraulic reel motor 6 in response to electrical signals indicative of the position of a compensating roller 2 in a loop of the material, additional control signals are provided by tachogenerators 17, 18 on guide rollers 3, 4 on either side of the loop. Under stable conditions the tachogenerator signals are equal and of opposite polarity, and so cancel out, but they are effective during acceleration or deceleration to prevent oscillations of the compensating roller 2. The signals are summed in an amplifier 15, with gain adjuster 16, to control a regulator 12 of a hydraulic pump 7. 10 is a "brake valve".
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH611271A CH536774A (en) | 1971-04-26 | 1971-04-26 | Winding drive with constant winding tension for lengths of fabric |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1346961A true GB1346961A (en) | 1974-02-13 |
Family
ID=4304445
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1935072A Expired GB1346961A (en) | 1971-04-26 | 1972-04-26 | Apparatus for maintining a constant winding pull during winding and unwinding of a web of fabric |
Country Status (4)
Country | Link |
---|---|
AT (1) | AT305188B (en) |
CH (1) | CH536774A (en) |
DE (1) | DE2219207A1 (en) |
GB (1) | GB1346961A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2078134B1 (en) * | 1991-07-08 | 1996-08-01 | Rural De Almeria Sociedad Caja | BRAKE SYSTEM FOR COIL HOLDERS |
DE4241353C2 (en) * | 1992-11-11 | 1996-10-02 | Kisters Maschinenbau Gmbh | Dancer for a web-like material processing machine |
DE19617652A1 (en) * | 1996-05-03 | 1997-11-06 | Kuesters Zittauer Maschf Gmbh | Assembly for continuous web processing |
DE19620670C2 (en) * | 1996-05-22 | 1998-07-23 | Liba Maschf | Device for winding a knitted fabric web |
DE19927118C2 (en) * | 1999-06-15 | 2003-12-24 | Bernhard Engel | Device for controlling the speed of rotation of a motor-driven winding body and method |
-
1971
- 1971-04-26 CH CH611271A patent/CH536774A/en not_active IP Right Cessation
- 1971-08-13 AT AT709271A patent/AT305188B/en active
-
1972
- 1972-04-20 DE DE19722219207 patent/DE2219207A1/en active Pending
- 1972-04-26 GB GB1935072A patent/GB1346961A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AT305188B (en) | 1973-02-12 |
DE2219207A1 (en) | 1972-11-02 |
CH536774A (en) | 1973-05-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |