EP0357670A1 - Jig. - Google Patents
Jig.Info
- Publication number
- EP0357670A1 EP0357670A1 EP88904234A EP88904234A EP0357670A1 EP 0357670 A1 EP0357670 A1 EP 0357670A1 EP 88904234 A EP88904234 A EP 88904234A EP 88904234 A EP88904234 A EP 88904234A EP 0357670 A1 EP0357670 A1 EP 0357670A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roller
- fabric
- take
- speed
- wound
- 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
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/32—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of open-width materials backwards and forwards between beaming rollers during treatment; Jiggers
Definitions
- the present invention relates to dyeing machines comprising two rollers on which the fabric to be dyed is wound.
- the fabric passes from one roll to the other while passing through the dye bath and thus impregnates with dye which gradually settles on the fiber.
- the object of the present invention is to obtain on the wound fabric, after it has passed through the bath, a substantially constant rate of rearing (percentage of bath contained in the fabric) from one end of the fabric to the other.
- this control is carried out electronically by controlling the direct current motor, which drives the tractor roller, to measure the acceleration.
- the third driven by a free roller moved tangentially by the fabric, gives a proportional signal at the linear speed v of the latter.
- the motor can be an electric direct current motor comprising an adjustable excitation by means of a thyristor variator.
- the angular speed ⁇ of the winding cylinder as well as the number n of turns wound at each moment is detected by tachometric dynamo as above and the angular speed of the winding cylinder is adjusted. - so as to keep constant the express-i ⁇ (1 + n —s-) » m being the ratio of the final radius of the winding cylinder to its initial radius and N the number of turns of the fabric wound, at the end of the winding.
- Another improvement which is also the subject of the invention and which pursues the same goal - obtaining a regular rearing rate over the entire surface of the fabric - concerns the small cylinders which guide the fabric to the point of winding (and unwinding) on the winding rollers.
- These small cylinders press more or less on the fabric. They are each mounted on two articulated arms to be able to follow the variation of the diameter of the rollers. Now it happens that, either by wear of the bearings, or by poor alignment of the joints, the support of these cylinders on the roller which concerns them is no longer equal from one edge to the other of the fabric. It follows a different spin and a gradient of the color from one edge to the other.
- FIG 1 is a schematic view of a JIGGER type dyeing machine.
- FIG. 2 is a diagram illustrating an embodiment of the invention.
- FIG. 3 schematically shows another 25- embodiment of a regulation in accordance with the invention.
- Figures 6 and 7 show in elevation and in perspective 30 the device for mounting the small spin cylin ⁇ dre.
- the machine shown in FIG. 1 comprises a tank 1 filled with the dye bath 2 and through which passes the strip of fabric 3 to be dyed, this strip unwinding from a roll 4 to be wound on a roller 5.
- This is the tractor roller and is driven in rotation by an electric motor with adjustable speed. Electric motors with electronic adjustment are currently well known.
- a variable speed hydraulic transmission can also be used to drive the roller from the electric motor.
- the strip of fabric is guided by passing over small cylinders 6 mounted mad on their axes. It also passes over an intermediate cylinder 7 placed above the dye bath and which it drives in rotation at the same time as a tachometric dynamo linked to this cylinder 7. This dynamo generates a signal proportional to the tangential speed of the roller 7 and consequently at the linear speed of displacement of the fabric, symbolized by v.
- Another tachometer dynamo linked to the movement of the roller 5, gives an image of the angular speed ⁇ of this roller.
- the product v. Image of centrifugal acceleration can thus be produced provided, however, that the raw values are brought back to compatible and homogeneous values - which can be done using simple heatstone bridges.
- This motor can be a direct current motor supplied by a conventional thyristor variator.
- the program is shown diagrammatically in FIG. 2 and can be implemented by any electronics engineer.
- N the number of turns of the fabric wound at the end of the winding. This number is determined at the first winding ” *
- a computer is provided in which the values of m and N. are stored in memory for each fabric during assembly.
- an up-down counter is associated with each of the cylinders 4 and 5 and gives at each moment the number n of turns wound on that of the cylinders which is reel.
- the number n is transmitted to the computer as well as the electric voltage, a measure of the angular speed ⁇ of the winding cylinder.
- the thickness of the fabric that is to say that of each turn, is equal to Rm - Ro _ Ro - Ro _ - ⁇ m — 1
- n Cte ⁇ 2_R. (, m1 +, nm-lv O —N—) or R being constant,
- This signal and that proportional to the linear speed v, supplied by the tachometric dynamo of the cylinder 7 are summed in the electronic device 9.
- the corresponding signal is compared at 10 to the set value K and the resulting signal taken at 11 is sent to the motor servo device.
- FIGS. 4 and 5 have been drawn by considering the numerical example in which the radius of the roller 5 varies between 1 and 3. On these figures, the rays have been plotted on the abscissa and the values of the centrifugal acceleration in ordered.
- FIG. 5 shows the very large variation of the centrifugal acceleration for a radius of the roller 5 varying from 1 to 3 when it is sought to maintain constant the linear speed of the fabric, at a value which is in this example of the order of 70 meters per minute.
- Curve 12 presents a maximum of 7.48 m / s for values of 6.9 m / s 2 at the two extreme points.
- the cylinder 14 is held against the fabric which is wound on the roller 5, by the tension of the fabric as it passes over the widening bars, or by springs or by these means combined.
- the cylinder 14 only rests on the fabric occasionally, instead of resting along it. a generator, as is necessary to obtain a regular rate of rearing of the dye liquid from one edge to the other of the width.
- the illustrated embodiment provides for the passage of the assembly bolts 20, oval holes 21, both on the flanges 19 and on the arms 16 and, moreover, the bolts are not fully tightened, the nuts being locked by locknuts.
- the arms 16 can take different inclinations relative to each other and in both directions by allowing the cylinder 14 to rest on the entire length of a generator.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
- Coloring (AREA)
- Physical Deposition Of Substances That Are Components Of Semiconductor Devices (AREA)
- Cable Accessories (AREA)
- Adornments (AREA)
- Pens And Brushes (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Spark Plugs (AREA)
- Sampling And Sample Adjustment (AREA)
- Physical Vapour Deposition (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT88904234T ATE79912T1 (en) | 1987-05-15 | 1988-05-04 | JIGGER. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8706825 | 1987-05-15 | ||
FR8706825A FR2615213B1 (en) | 1987-05-15 | 1987-05-15 | IMPROVEMENTS ON DYEING MACHINES |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0357670A1 true EP0357670A1 (en) | 1990-03-14 |
EP0357670B1 EP0357670B1 (en) | 1992-08-26 |
Family
ID=9351121
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88904234A Expired - Lifetime EP0357670B1 (en) | 1987-05-15 | 1988-05-04 | Jig |
Country Status (11)
Country | Link |
---|---|
US (1) | US5172444A (en) |
EP (1) | EP0357670B1 (en) |
JP (1) | JPH02501318A (en) |
AT (1) | ATE79912T1 (en) |
DE (1) | DE3874137T2 (en) |
DK (1) | DK165335C (en) |
ES (1) | ES2011333A6 (en) |
FR (1) | FR2615213B1 (en) |
GR (1) | GR1000505B (en) |
PT (1) | PT87476B (en) |
WO (1) | WO1988008895A1 (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2120335B1 (en) * | 1995-09-07 | 1999-03-16 | Turbang Prototips Sl | APPARATUS FOR DRY TREATMENT OF A TISSUE. |
EP1010795A3 (en) * | 1998-12-14 | 2001-06-13 | Tve-Escale Europe, S.A. | Machine for the scouring and bleaching of webs of fabric and the like |
US6439004B1 (en) * | 2000-09-19 | 2002-08-27 | Chi-Lung Chang | Fabric tension control device for a dyeing machine |
NL1021097C2 (en) * | 2002-07-17 | 2004-01-20 | Rudolf Busser | Device is for feeding web to printer and has at least one first rotatable web carrier, which carries at least a part of the web |
JPWO2007083483A1 (en) | 2006-01-19 | 2009-06-11 | コニカミノルタホールディングス株式会社 | Display element |
EP2026122B1 (en) | 2006-06-02 | 2010-01-27 | Konica Minolta Holdings, Inc. | Display element |
EP2028539B1 (en) | 2006-06-15 | 2012-08-01 | Konica Minolta Holdings, Inc. | Display element |
WO2008029669A1 (en) | 2006-09-08 | 2008-03-13 | Konica Minolta Holdings, Inc. | Display element |
EP2096490A4 (en) | 2006-12-21 | 2014-01-22 | Konica Minolta Holdings Inc | Display element and method of driving the same |
WO2008087790A1 (en) | 2007-01-17 | 2008-07-24 | Konica Minolta Holdings, Inc. | Display element and method for driving display element |
CN108249193B (en) * | 2018-01-11 | 2019-07-05 | 桐乡市恒源印染有限公司 | A kind of cloth dragger for capableing of rapid airing dyed cloth |
CN108163592B (en) * | 2018-01-11 | 2019-07-23 | 安徽舜发服装有限公司 | A kind of cloth support construction on cloth traction device |
US10322308B1 (en) | 2018-02-26 | 2019-06-18 | Atom Alloys, LLC | Systems, methods, and assemblies for improvement of explosion and fire resistant properties in fluid containers |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1848663A (en) * | 1932-03-08 | A coepobation of | ||
US1869900A (en) * | 1931-06-27 | 1932-08-02 | Westinghouse Electric & Mfg Co | Motor control system |
US2108313A (en) * | 1935-03-25 | 1938-02-15 | Cutler Hammer Inc | Motor control system |
US3411055A (en) * | 1965-07-06 | 1968-11-12 | Westinghouse Electric Corp | Apparatus for operating as a function of the changing diameter of a rotating roll of traveling strip material |
FR1459915A (en) * | 1965-09-16 | 1966-06-17 | Poensgen Gebr Gmbh | Compensating detection and pre-tensioning device for winding devices |
FR1525192A (en) * | 1967-03-30 | 1968-05-17 | Control device for alternating winding and unwinding dyeing machines, and similar machines | |
US3648338A (en) * | 1970-10-14 | 1972-03-14 | Mdc Technology Corp | Automatic tension control apparatus |
US3910521A (en) * | 1972-12-21 | 1975-10-07 | Eaton Corp | Winder control |
BE855968A (en) * | 1976-07-05 | 1977-10-17 | Staar Sa | METHOD AND DEVICE FOR MONITORING AND COMMANDING THE TRANSFER OF MATERIAL FROM A DEBITRING COIL TO A RECEIVING COIL |
DE2704610C2 (en) * | 1977-02-04 | 1984-03-15 | Hoechst Ag, 6230 Frankfurt | Control arrangement with a controller for controlling the speed of a connected motor |
JPS57169956A (en) * | 1981-04-14 | 1982-10-19 | Sony Corp | Control circuit for tape speed |
-
1987
- 1987-05-15 FR FR8706825A patent/FR2615213B1/en not_active Expired
-
1988
- 1988-05-04 DE DE8888904234T patent/DE3874137T2/en not_active Expired - Fee Related
- 1988-05-04 WO PCT/FR1988/000216 patent/WO1988008895A1/en active IP Right Grant
- 1988-05-04 AT AT88904234T patent/ATE79912T1/en not_active IP Right Cessation
- 1988-05-04 JP JP63504098A patent/JPH02501318A/en active Granted
- 1988-05-04 EP EP88904234A patent/EP0357670B1/en not_active Expired - Lifetime
- 1988-05-12 GR GR880100312A patent/GR1000505B/en unknown
- 1988-05-13 PT PT87476A patent/PT87476B/en not_active IP Right Cessation
- 1988-05-13 ES ES8801510A patent/ES2011333A6/en not_active Expired - Fee Related
-
1989
- 1989-11-15 DK DK572389A patent/DK165335C/en not_active IP Right Cessation
-
1991
- 1991-07-18 US US07/732,119 patent/US5172444A/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO8808895A1 * |
Also Published As
Publication number | Publication date |
---|---|
US5172444A (en) | 1992-12-22 |
PT87476A (en) | 1989-05-31 |
PT87476B (en) | 1993-09-30 |
ATE79912T1 (en) | 1992-09-15 |
DK165335B (en) | 1992-11-09 |
JPH02501318A (en) | 1990-05-10 |
EP0357670B1 (en) | 1992-08-26 |
FR2615213B1 (en) | 1989-07-07 |
WO1988008895A1 (en) | 1988-11-17 |
DK572389D0 (en) | 1989-11-15 |
GR880100312A (en) | 1989-02-23 |
JPH0366426B2 (en) | 1991-10-17 |
DE3874137D1 (en) | 1992-10-01 |
DE3874137T2 (en) | 1993-01-07 |
ES2011333A6 (en) | 1990-01-01 |
GR1000505B (en) | 1992-07-30 |
DK572389A (en) | 1989-11-15 |
FR2615213A1 (en) | 1988-11-18 |
DK165335C (en) | 1993-03-29 |
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