DK160264B - PROCEDURE FOR COLORING A DUST COURSE ON A JIGGER AND JIGGER FOR EXECUTING THE PROCEDURE - Google Patents
PROCEDURE FOR COLORING A DUST COURSE ON A JIGGER AND JIGGER FOR EXECUTING THE PROCEDURE Download PDFInfo
- Publication number
- DK160264B DK160264B DK81889A DK81889A DK160264B DK 160264 B DK160264 B DK 160264B DK 81889 A DK81889 A DK 81889A DK 81889 A DK81889 A DK 81889A DK 160264 B DK160264 B DK 160264B
- Authority
- DK
- Denmark
- Prior art keywords
- fabric web
- fabric
- bath
- liquid
- jigger
- Prior art date
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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
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
Description
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Den foreliggende opfindelse angår en fremgangsmåde til farvning af en stofbane på en jigger, hvor stofbanen skiftevis op-vikles på og afvikles fra jiggerens to valser, idet den under passagen mellem valserne forløber gennem et farvebånd, og hvor 5 stofbanens hastighed vokser under en passage.The present invention relates to a method of dyeing a fabric web on a jig, in which the fabric web is alternately wound on and unwound from the two rollers of the jig, as it passes through a color band during the passage between the rollers and where the fabric web speed increases during a pass.
Opfindelsen angår endvidere en jigger til udøvelse af fremgangsmåden .The invention further relates to a jigger for practicing the method.
10 En jigger er en maskine til væskebehandling af en stofbane, hvori stofbanen skiftevis opvikles på og afvikles fra jiggerens to valser, idet den under passagen mellem valserne forløber gennem et væskebad. Væskebadet kan eventuelt være erstattet af andre systemer til udskiftning af væsken, f.eks.A jigger is a fluid treatment machine of a fabric web in which the fabric web is alternately wound on and unwound from the two rollers of the jigger as it passes through a liquid bath during the passage between the rollers. The liquid bath may optionally be replaced by other fluid replacement systems, e.g.
15 påsprøjtning af væsken.15 spraying the liquid.
Jiggerens funktion er af særlig afgørende betydning til farvning af en stofbane, fordi formålet her er at opnå en ensartet farve af hele stofbanen.The function of the jigger is of particular importance for coloring a fabric web, because the purpose here is to achieve a uniform color of the entire fabric web.
2020
De først kendte mekaniserede jiggere var udstyret med en simpel drivanordning, som drev opviklevalsen med konstant omdrejningshastighed, således at både stofbanens hastighed og centrifugalkraften på stofrullens yderste lag voksede proportio-25 nalt med stofrullens diameter.The first known mechanized jiggers were equipped with a simple drive device that drives the winding roller at a constant speed, so that both the velocity of the fabric web and the centrifugal force on the outermost layer of the fabric roll increased proportionally to the diameter of the fabric roll.
Senere blev udviklet jiggere, hvis to valser blev drevet gennem et fælles differentiale, således at summen af omdrejningshastighederne af valserne blev konstant, hvorved hastigheds-30 forløbet ved en stofpassage beskriver en symmetrisk kurve med maksimum midt på passagen, hvor stofbanens hastighed er ca.Later, jiggers were developed whose two rollers were driven through a common differential, so that the sum of the rotational speeds of the rollers became constant, whereby the velocity of a fabric passage describes a symmetrical curve with a maximum center of the passage where the velocity of the fabric web is approx.
50% større end ved de to ender.50% larger than at the two ends.
De jiggere, der er praktisk taget enerådende i den vestlige 35 verden i dag, drives på en sådan måde, at stofbanens hastighed forbliver konstant eller så konstant som mulig, f.eks. med en drivmekanisme som beskrevet i patent nr. 81440 og de talrigeThe jiggers that are practically exclusive in the western world today are operated in such a way that the velocity of the fabric web remains constant or as constant as possible, e.g. with a drive mechanism as described in Patent No. 81440 and the numerous
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2 variationer af dette princip, der er beskrevet f.eks. i patenterne nr. 98233, 98422 og 140.765.2 variations of this principle described e.g. in patents Nos. 98233, 98422 and 140,765.
Allersenest har man erkendt, at princippet med den konstante 5 hastighed af stofbanen er forkert og i uoverensstemmelse med teorien om, hvorledes en stofbane optager farve fra en farve-flotte. Det er ikke stofbanens korte opholdstid i badet, der betyder noget for farveoptagelsen, og stofbanens hastighed gennem badet behøver derfor ikke være konstant, men kan tvært-10 imod øges under en passage ligesom i de først kendte mekaniske jiggere, og dermed udnyttes til at opnå den optimale farveha-stighed og egalitet. Ifølge fransk offentliggørelsesskrift nr. 2.615.213 øges således stofbanens hastighed under en passage ved i stedet at drive jiggeren på en sådan måde, at centrifu-15 galkraften på de yderste lag af den opviklende stofrulle holdes konstant. Hermed opnås en reduktion af behandlingstiden, idet det er muligt at arbejde med en større gennemsnitshastighed af stofbanen end, når hastigheden holdes konstant, eller når den varierer symmetrisk som i de jiggere, der drives gen-20 nem et differentiale.Most recently, it has been recognized that the principle of the constant velocity of the fabric web is wrong and inconsistent with the theory of how a fabric web absorbs color from a color fleet. It is not the short residence time of the fabric in the bath that matters for the color absorption, and therefore the velocity of the fabric through the bath does not have to be constant, but can be increased during a passage just like in the first known mechanical jiggers and thus used to achieve the optimal color speed and evenness. According to French Patent Specification No. 2,615,213, thus, the velocity of the fabric web is increased during one passage by instead driving the jig in such a way that the centrifugal force on the outermost layers of the winding fabric roll is kept constant. This results in a reduction in processing time, since it is possible to work at a greater average velocity of the fabric web than when the velocity is kept constant or when it varies symmetrically as in the jiggers driven by a differential.
Teorien bag anvendelse af en stadigt stigende stofhastighed under en passage er følgende.The theory behind using a steadily increasing drug velocity during a passage is as follows.
25 Selve passagen af badet varer kun få sekunder, hvorimod stofbanen befinder sig i mange minutter på en i rotation værende valse, og den egentlige farveproces foregår i stofrullen. Tekstilmaterialet modtager ved sin passage gennem badet en vis mængde frisk farveflotte, og farvestoffet heri migrerer så ind 30 i de omliggende fibre. Hastigheden heraf varierer for et givet tekstilmateriale fra farvestof til farvestof, og processen kan vare fra nogle sekunder til nogle få minutter. Når der er indtrådt ligevægt, sker der i det væsentlige intet før næste passage af badet. Kun for enderne af stofbanen kan tidsforskellen 35 mellem to badpassager være så kort, at alt farvestoffet ikke når at migrere ind, hvilket kan føre til lysere indfarvning.25 The passage of the bath itself takes only a few seconds, whereas the fabric web is for many minutes on a roller in rotation, and the actual color process takes place in the fabric roll. Upon passing through the bath, the textile material receives a certain amount of fresh dye, and the dye herein migrates into the surrounding fibers. The speed thereof varies for a given textile material from dye to dye, and the process can last from a few seconds to a few minutes. When equilibrium has occurred, essentially nothing happens until the next passage of the bath. Only for the ends of the fabric web, the time difference 35 between two bath passages can be so short that all the dye fails to migrate in, which can lead to lighter coloring.
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33
Det, der først og fremmest betyder noget, er derimod den væskemængde, som stofbanen optager ved passagen af badet, og her spiller centrifugalkraften en væsentlig rolle. Et væskelag på rullens yderside er påvirket af to kræfter: tyngdekraften, som 5 i toppen af rullen påvirker væsken ind mod centrum, og som i bunden af rullen påvirker væsken bort fra centrum, således at tyngdekraften som følge af den stadige rotation af rullen, kommer til at virke neutral for så vidt angår væskefordelingen, og centrifugalkraften, der overalt påvirker væsken bort 10 fra centrum, og som kan blive flere gange større end tyngdekraften og bevirke, at væske slynges bort fra rullens overflade. Hvis der sker en sådan ukontrolleret afslyngning af væske fra de yderste stoflag, er farvestoftilbudet naturligvis ikke længere konstant under en passage, og farvningen kan 15 blive ujævn.What matters first, on the other hand, is the amount of fluid that the fabric web absorbs as the bath passes, and here the centrifugal force plays a significant role. A fluid layer on the outside of the roller is affected by two forces: gravity, which at the top of the roller affects the liquid towards the center, and which at the bottom of the roller affects the liquid away from the center, so that gravity due to the constant rotation of the roller comes to act neutral with respect to the fluid distribution, and the centrifugal force, which everywhere affects the liquid away from the center, and which may be several times greater than gravity and cause liquid to be thrown away from the surface of the roller. Of course, if such an uncontrolled flow of fluid from the outer fabric layers occurs, the dye supply is no longer constant during a passage and the staining may become uneven.
Men under forudsætning af, at der ikke sker nogen afslyngning af væske, har centrifugalkraften den virkning, at der sker en stadig transport af væske fra rullens inderste lag udefter.However, provided that there is no discharge of fluid, the centrifugal force has the effect that a continuous transport of fluid from the inner layer of the roller occurs outward.
20 Transporten afhænger af centr ifugalkraftens størrelse og stoffets karakter, men vil normalt kun give ubetydelige forandringer i de yderste stoflag indenfor den nødvendige migrationstid for farvestoffer. Der vil imidlertid under kørslen ske en ændring af fugtighedsindho1 det fra de inderste til de yderste 25 stoflag i både den opviklende og den afviklende rulle, og dette kan have betydning for optagelsen af frisk flotte ved badpassagen.20 Transport depends on the size of the centrifugal force and the nature of the fabric, but will usually only cause insignificant changes in the outermost fabric layers within the required migration time for dyes. However, while driving, there will be a change of moisture content from the innermost to the outermost 25 layers of fabric in both the winding and the unwinding roller, and this may have an effect on the uptake of the fresh look at the bath passage.
Normalt sker flotteudveksl i ngen ved passagen af badet på den 30 måde, at en vis procentdel af tekstilmaterialets fri væskeindhold udveksles med frisk flotte. Såfremt tekstilmaterialet har mistet væskeindhold på grund af flottetransporten, vil der ved passagen af badet ikke blot ske en udveksling, men også en supplering med frisk flotte, således at væskeindholdet igen 35 bringes op på det oprindelige niveau. Tekstilmaterialet får altså herved forøget sit farvestoftiIbud i forhold til et materiale, der ikke har mistet væskeindhold på grund af centrifugalkraften, og dette giver anledning til uensartet farvning.Normally, nice exchanges occur at the passage of the bath in such a way that a certain percentage of the free liquid content of the textile material is exchanged with fresh good looking. If the textile material has lost liquid content due to the float transport, the passage of the bath will not only be an exchange but also a supplement with fresh float, so that the liquid content is brought back to the original level. Thus, the textile material increases its dye content compared to a material that has not lost liquid content due to centrifugal force, and this gives rise to uneven staining.
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Selv om der kan opnås fordele ved at arbejde med en voksende hastighed af stofbanen på en jigger, kan denne fremgangsmåde altså give uensartet farvning.Thus, while benefits can be gained from working at a growing rate of the web of fabric on a jigger, this approach can provide uneven coloration.
5 Fra DK patentansøgning nr. 6212/68 og de franske patenter nr. 1.118921 og 1.403.791 kendes jiggere, som i badet har afsu-gningsorganer med henblik på at opnå størst mulig udskiftning af væsken i stofbanen, medens den passerer badet. Med afsug-ningsorganer anbragt på dette sted udskiftes altid kun en vis 10 procentdel, og systemet kan derfor ikke udligne forskelle, der skyldes varierende fugtighedsindhold ved neddykningen.5 From DK Patent Application No. 6212/68 and French Patents Nos. 1.118921 and 1.403.791, jiggers which have suction means in the bath are known to achieve the greatest possible replacement of the liquid in the fabric web as it passes the bath. With suction means placed at this location, only a certain 10 percent is always replaced, and the system therefore cannot compensate for differences due to varying humidity levels during immersion.
Fra tysk patent nr. 3.239.450 kendes en jigger, som har en sugeanordning anbragt mellem badet og opviklingsrullen med det 15 formål at reducere vandindholdet i stofbanen før tørring efter den sidste passage.German Patent No. 3,239,450 discloses a jigger having a suction device arranged between the bath and the winding roller for the purpose of reducing the water content of the fabric web before drying after the last pass.
Ulemperne ved de kendte jiggere afhjælpes ifølge opfindelsen ved, at der foretages en væskeafsugning fra stofbanen på et 20 punkt mellem den afviklende stofrulle og væskebadet, således at enhver del af stofbanen indtræder i væskebadet med i hovedsagen samme væskeindhold.The disadvantages of the known jiggers are remedied according to the invention by making a liquid extraction from the fabric web at a point between the unwinding fabric roll and the liquid bath, so that every part of the fabric web enters the liquid bath with substantially the same liquid content.
Opfindelsen er nærmere anskueliggjort på tegningen, hvor 25 fig. 1 er en principskitse af en jigger, fig. 2-5 er diagrammer over stofhast ighed og acceleration ved farvning af en stofbane på forskellige kendte fremgangsmåder.The invention is further illustrated in the drawing, in which FIG. 1 is a schematic sketch of a jigger; FIG. 2-5 are diagrams of fabric velocity and acceleration by staining a fabric web in various known methods.
30 På fig. 1 er 1 den opviklende valse i den betragtede situation, og 2 er den afviklende valse. Stofbanen 3 forløber gennem et farvebad 4 under passagen mellem valserne, og væsken i stofrullerne på de to valser er udsat for centrifugalkraften 35 som vist med pilene. For at udligne den forskel i væskeindhold, som stofbanen kan få som følge af centrifugalkraften, foretages der ifølge opfindelsen en væskeafsugn ing fra stofba-30 In FIG. 1 is 1 the winding roller in the considered situation and 2 is the winding roller. The fabric web 3 passes through a color bath 4 during the passage between the rollers, and the liquid in the fabric rollers of the two rollers is subjected to centrifugal force 35 as shown by the arrows. In order to compensate for the difference in liquid content that the dust web can have as a result of the centrifugal force, according to the invention, a liquid extraction from the dust base is carried out.
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5 nen på et punkt mellem den afviklende stofrulle og væskebadet, idet der er indrettet afsugningsorganer 5, der strækker sig over hele stofbanens bredde mellem valserne 1 og 2 og væskebadet 4, hvoraf i den betragtede situation kun det højre af-5 sugningsorgan er virksomt.5 at a point between the unwinding fabric roller and the liquid bath, with suction means 5 extending over the entire width of the fabric web between the rollers 1 and 2 and the liquid bath 4, of which, in the considered situation, only the right suction means is operable.
Fig. 2 er et diagram over stofbanens hastighed og accellera-tion på den opviklende valse som funktion af den procentiske mængde opviklet (eller afviklet) stof ved farvning på en j i g— 10 ger med direkte drev. Ordinaten angiver både hastigheden og accelleratignen, når disse udtrykkes som henholdsvis V-100 m/min. og ~ · 10“3 m/min2, hvor r er radius af stofrullen.FIG. 2 is a diagram of the velocity and acceleration of the fabric web on the winding roller as a function of the percentage amount of wound (or wound) fabric dyed on a j in 10 with direct drive. The ordinate indicates both the velocity and the acceleration signal when expressed as V-100 m / min, respectively. and ~ 10 ”3 m / min 2, where r is the radius of the fabric roll.
Fig. 3 er et lignende diagram over stofbanens hastighed og ac-celleration på den opviklende valse ved farvning på en jigger med differentialedrev. Her angiver ordinaten samtidig den procentiske variation af hastigheden.FIG. 3 is a similar diagram of the velocity and ac cell ration of the fabric web on the winding roller by staining on a differential drive jigger. Here, the ordinate also indicates the percentage variation in speed.
20 Fig. 4 et lignende diagram over stofbanens hastighed og accel-leration på den opviklende valse ved farvning med konstant hastighed af stofbanen. Hastighedskurven er her en ret linie, der falder sammen med abscisseaksen.FIG. 4 shows a similar diagram of the fabric web speed and acceleration of the winding roller by staining at a constant velocity of the fabric web. Here, the velocity curve is a straight line that coincides with the abscissa axis.
25 Fig. 5 et lignende diagram over stofbanens hastighed og accel-leration på den opviklende valse ved farvning med konstant ac-celleration.FIG. 5 shows a similar diagram of the velocity and acceleration of the fabric web on the winding roller by staining with constant ac cell ration.
Opfindelsen angår en fremgangsmåde, ved hvilken stofbanens ha-30 stighed vokser under en passage, f.eks. som illustreret på fig. 2 og 5, dvs. har en højere værdi ved afslutningen af en passage end ved begyndelsen af passagen, men ikke nødvendigvis vokser kontinuerligt som vist på fig. 2 og 5. Væskeafsugningen fra den afviklende stofbane til indstilling af væskemængden i 35 stofbanen kan nemlig i en udførelsesform ifølge opfindelsen suppleres med, at stofbanens hastighed periodisk reduceres eller holdes konstant.The invention relates to a method in which the velocity of the fabric web grows during a passage, e.g. as illustrated in FIG. 2 and 5, i.e. has a higher value at the end of a passage than at the beginning of the passage, but does not necessarily grow continuously as shown in FIG. Namely, in an embodiment according to the invention, the liquid extraction from the unwinding fabric web for adjusting the amount of liquid in the fabric web can be supplemented by periodically reducing or maintaining the fabric web speed.
Claims (5)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK81889A DK160264C (en) | 1989-02-22 | 1989-02-22 | PROCEDURE FOR COLORING A DUST COURSE ON A JIGGER AND JIGGER FOR EXECUTING THE PROCEDURE |
| EP90903796A EP0462132B1 (en) | 1989-02-22 | 1990-02-19 | A method of dyeing a web of fabric on a jigger and a jigger to carry out the method |
| PCT/DK1990/000045 WO1990010106A1 (en) | 1989-02-22 | 1990-02-19 | A method of dyeing a web of fabric on a jigger and a jigger to carry out the method |
| DE69009047T DE69009047T2 (en) | 1989-02-22 | 1990-02-19 | METHOD FOR DYING A FABRIC ON A JIGGER AND JIGGER FOR CARRYING OUT THIS METHOD. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK81889A DK160264C (en) | 1989-02-22 | 1989-02-22 | PROCEDURE FOR COLORING A DUST COURSE ON A JIGGER AND JIGGER FOR EXECUTING THE PROCEDURE |
| DK81889 | 1989-02-22 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| DK81889D0 DK81889D0 (en) | 1989-02-22 |
| DK81889A DK81889A (en) | 1990-08-23 |
| DK160264B true DK160264B (en) | 1991-02-18 |
| DK160264C DK160264C (en) | 1991-07-22 |
Family
ID=8097910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK81889A DK160264C (en) | 1989-02-22 | 1989-02-22 | PROCEDURE FOR COLORING A DUST COURSE ON A JIGGER AND JIGGER FOR EXECUTING THE PROCEDURE |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0462132B1 (en) |
| DE (1) | DE69009047T2 (en) |
| DK (1) | DK160264C (en) |
| WO (1) | WO1990010106A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI20062361A1 (en) * | 2006-12-06 | 2008-06-07 | Mcs Off Mecc Spa | FABRIC TREATMENT MACHINE |
| ES1243894Y (en) * | 2019-06-05 | 2020-08-24 | Nous Projectes Ram Aigua Sl | FABRIC WASHING MACHINE |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2724254A (en) * | 1951-05-16 | 1955-11-22 | Zanger Arnold | Apparatus for dyeing continuous lengths of fabric |
| CH668446A5 (en) * | 1985-05-10 | 1988-12-30 | Benninger Ag Maschf | DEVICE FOR TREATING A RUNNING TEXTILE TRACK IN A LIQUID BATH. |
-
1989
- 1989-02-22 DK DK81889A patent/DK160264C/en not_active IP Right Cessation
-
1990
- 1990-02-19 EP EP90903796A patent/EP0462132B1/en not_active Expired - Lifetime
- 1990-02-19 DE DE69009047T patent/DE69009047T2/en not_active Expired - Fee Related
- 1990-02-19 WO PCT/DK1990/000045 patent/WO1990010106A1/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| DK160264C (en) | 1991-07-22 |
| EP0462132A1 (en) | 1991-12-27 |
| DK81889D0 (en) | 1989-02-22 |
| DK81889A (en) | 1990-08-23 |
| DE69009047T2 (en) | 1994-10-13 |
| WO1990010106A1 (en) | 1990-09-07 |
| DE69009047D1 (en) | 1994-06-23 |
| EP0462132B1 (en) | 1994-05-18 |
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| PBP | Patent lapsed |