EP0462132A1 - Procede de teinture d'une bande de tissu sur un jigger et jigger de realisation dudit procede. - Google Patents

Procede de teinture d'une bande de tissu sur un jigger et jigger de realisation dudit procede.

Info

Publication number
EP0462132A1
EP0462132A1 EP90903796A EP90903796A EP0462132A1 EP 0462132 A1 EP0462132 A1 EP 0462132A1 EP 90903796 A EP90903796 A EP 90903796A EP 90903796 A EP90903796 A EP 90903796A EP 0462132 A1 EP0462132 A1 EP 0462132A1
Authority
EP
European Patent Office
Prior art keywords
fabric
web
liquid
jigger
passage
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
Application number
EP90903796A
Other languages
German (de)
English (en)
Other versions
EP0462132B1 (fr
Inventor
Erik Henningsen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vald Henriksen AS
Original Assignee
Vald Henriksen AS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Vald Henriksen AS filed Critical Vald Henriksen AS
Publication of EP0462132A1 publication Critical patent/EP0462132A1/fr
Application granted granted Critical
Publication of EP0462132B1 publication Critical patent/EP0462132B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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 a method of dyeing a web of fabric on a jigger where the web of fabric is al ⁇ ternately wound on and unwound from the two rolls of the jigger and during the passage between the rolls passes through a.dye bath and where the speed of the web of fabric increases during a passage.
  • the invention also relates to a jigger to carry out the method.
  • a jigger is a machine for liquid treatment of a web of fabric in which the web of fabric is alternately wound on and unwound from the two rolls of the j igger and during the passage between the rolls passes through a liquid bath.
  • the liquid bath may possibly be replaced by other systems for replacement of the liquid, e.g. spraying of the liquid.
  • the function of the jigger is of particularly critical importance for dyeing a web of fabric because the object here is to obtain a uniform colour of the entire web of fabric.
  • the first known mechanized jiggers were equipped with a simple driving mechanism which drove the wind-up roll at a constant speed of rotation, so that both the speed of the web of fabric and the centrifugal force on the outer ⁇ most layers of the rolls of fabric increase proportional to the diameter of the roll of f bric.
  • Later on jiggers were developed, the two rolls of which were driven through a common differential so that the sum of the speeds of rotation of the rolls remained constant whereby the course of the speed in a passage of fabric describes a symmetrical curve having its maximum in the middle of the passage where the speed of the web of fabric is about 50% higher than at the two ends.
  • the very passage of the bath takes only a few seconds, whereas the web of fabric is for many minutes on a rotating rool, and the proper dyeing process takes place in the fabric roll.
  • the textile receives a certain amount of fresh dye liquid, and dyestuff therein then migrates into the sur ⁇ rounding fibres .
  • the rate of migration varies for a given textile material from one dyestuff to another, and the process can last from some seconds to a few minutes.
  • equilibrium essentially nothing takes place until the next passage of the bath. Only at the ends of the web of fabric can the time difference between two passages of the bath be so short that not all the dyestuff has time to migrate into the fabric which may result in a more light colouration.
  • the cen ⁇ trifugal -force has the effect that there is a constant transport of liquid from the innermost layers of the roll outward.
  • the transport depends on the size of the cen ⁇ trifugal force and the nature of the fabric but will normally result in only insignificant changes in the outermost layers of fabric within the necessary migration times for dyestuffs.
  • moisture content from the innermost to the outermost layers of fabric both in the winding up and the winding off roll, and this may be of importance to the picking up of fresh dye liquid during the passage of the bath.
  • the exchange of dye liquid during the passage of the bath takes place in the way that a certain per ⁇ centage of the free liquid content of the textile material is exchanged with fresh liquid. If the textile material has lost liquid on account of the liquid transport there will be not only an exchange during the passage of the bath but also a supplementation with fresh dye liquid so that the liquid content is again brought to the original level. Thus, hereby the textile material gets an increased dyestuff supply compared to a material which has not lost liquid due to the centrifugal force, and this gives rise to an uneven colouration.
  • German patent No. 3,239,450 is known a igger which has one suction means situated between the bath and the winding up roll with the object of reducing the water content of the web of fabric before drying after the last passage.
  • the drawbacks of the known jiggers are obviated according to the present invention by carrying out a suction out of liquid from the web of fabric at a point between the winding off roll of fabric and the liquid bath so that every part of the web of fabric enters the liquid bath with substantially the same liquid content.
  • Fig. 1 is a sketch of the principle of the jigger
  • Figs. 2-5 are graphs of the speed and acceleration of the fabric when dyeing a web of fabric by various known meth ⁇ ods .
  • Fig. 1 1 is the winding up roll in the situation under consideration
  • 2 is the winding off roll.
  • the web of fabric 3 travels through a dye bath 4 during the passage between the rolls, and the liquid in the rolls of fabric on the two rolls is exposed to the centrifugal force as indicated by the arrows.
  • the invention provides for a suction out of liquid from the web of fabric at a point between the winding off fabric roll and the liquid bath, two suction means 5 which extend over the entire width of the web of fabric being situated between the rolls 1 and 2 and the liquid bath 4, and of these only the right hand suction means is active in the situation under consideration.
  • Fig. 2 is a graph of the speed and acceleration of the web of fabric on the winding up roll as a function of the percentage amount of wound up (or wound off) fabric when dyeing on a directly driven jigger.
  • the ordinate indicates both the speed and the acceleration when they are expressed
  • V 2 - ⁇ as respectively V-100 m/min and r . 10" J m/miii', where r is the radius of the roll of fabric.
  • Fig. 3 is a similar graph of the speed and acceleration of the web of fabric on the winding up roll when dyeing on a jigger with a differential drive.
  • the ordinate also indicates the percentage variation of the speed.
  • Fig. 4 is a similar graph of the speed and acceleration of the web of fabric on the winding up roll when dyeing with constant speed of the web of fabric.
  • the speed curve is a straight line coinciding with the abscissa axis.
  • Fig. 5 is a similar graph of the speed and acceleration of the web of fabric on the winding up roll when dyeing with constant acceleration.
  • the invention relates to a method in which the speed of the web of fabric increases during a passage, e.g. as illustrated in Figs. 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 increase continuously as shown in Figs. 2 and 5.
  • the suction out of liquid from the web of fabric to adjust the amount of liquid in the web of fabric can also in an embodiment according to the invention be supplemented with the measure of periodically reducing the speed of the web of fabric or keeping it constant.
  • the suction out of liquid from the winding off roll of fabric can be increased or reduced during the passage and thereby have an equalizing effect on light ends which can arise on account of a rapidly following second passage of the bath.
  • the invention also relates to a jigger for carrying out the described method which jigger is of the kind which has such driving means that the speed of the web of fabric increases during a passage and which has a suction means between a roll and the dye bath, and the igger is cha ⁇ racterized in that it has suction means between both the rolls and the dye bath which extend over the entire width of the web of fabric.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

La présente invention permet d'obtenir une uniformité optimale de teinture sur un jigger qui fonctionne en augmentant la vitesse de la bande de tissu pendant un passage, grâce à l'extraction par aspiration d'une partie du liquide de la bande de tissu en un point compris entre le cylindre de dévidage du tissu et le bain de liquide, de sorte que chaque partie de la bande de tissu pénètre dans le bain de liquide avec sensiblement la même teneur en liquide.
EP90903796A 1989-02-22 1990-02-19 Procede de teinture d'une bande de tissu sur un jigger et jigger de realisation dudit procede Expired - Lifetime EP0462132B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DK81889A DK160264C (da) 1989-02-22 1989-02-22 Fremgangsmaade til farvning af en stofbane paa en jigger og jigger til udfoerelse af fremgangsmaaden
DK818/89 1989-02-22
PCT/DK1990/000045 WO1990010106A1 (fr) 1989-02-22 1990-02-19 Procede de teinture d'une bande de tissu sur un jigger et jigger de realisation dudit procede

Publications (2)

Publication Number Publication Date
EP0462132A1 true EP0462132A1 (fr) 1991-12-27
EP0462132B1 EP0462132B1 (fr) 1994-05-18

Family

ID=8097910

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90903796A Expired - Lifetime EP0462132B1 (fr) 1989-02-22 1990-02-19 Procede de teinture d'une bande de tissu sur un jigger et jigger de realisation dudit procede

Country Status (4)

Country Link
EP (1) EP0462132B1 (fr)
DE (1) DE69009047T2 (fr)
DK (1) DK160264C (fr)
WO (1) WO1990010106A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20062361A1 (it) * 2006-12-06 2008-06-07 Mcs Off Mecc Spa Macchina per il trattamento di tessuti
ES1243894Y (es) * 2019-06-05 2020-08-24 Nous Projectes Ram Aigua Sl Maquina para el lavado de tejidos

Family Cites Families (2)

* Cited by examiner, † Cited by third party
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 (de) * 1985-05-10 1988-12-30 Benninger Ag Maschf Vorrichtung zum behandeln einer laufenden textilbahn in einem fluessigkeitsbad.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9010106A1 *

Also Published As

Publication number Publication date
DK81889D0 (da) 1989-02-22
DE69009047D1 (de) 1994-06-23
DK160264C (da) 1991-07-22
WO1990010106A1 (fr) 1990-09-07
DE69009047T2 (de) 1994-10-13
DK81889A (da) 1990-08-23
EP0462132B1 (fr) 1994-05-18
DK160264B (da) 1991-02-18

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