EP2122032A1 - Machine for the treatment of fabrics - Google Patents

Machine for the treatment of fabrics

Info

Publication number
EP2122032A1
EP2122032A1 EP07848988A EP07848988A EP2122032A1 EP 2122032 A1 EP2122032 A1 EP 2122032A1 EP 07848988 A EP07848988 A EP 07848988A EP 07848988 A EP07848988 A EP 07848988A EP 2122032 A1 EP2122032 A1 EP 2122032A1
Authority
EP
European Patent Office
Prior art keywords
fabric
machine
treatment
strip
cylinders
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
EP07848988A
Other languages
German (de)
French (fr)
Other versions
EP2122032B1 (en
Inventor
Mauro Cagnazzo
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP2122032A1 publication Critical patent/EP2122032A1/en
Application granted granted Critical
Publication of EP2122032B1 publication Critical patent/EP2122032B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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 machine for the treatment of fabrics such as, for example, purging, bleaching, dyeing, washing, in which the fabric is kept in the extended state during the processing.
  • Machines of this type are commonly known as “jiggers” and normally consist of a tank, through which the fabric passes, kept in an extended state by guiding cylinders and in some cases by .bars fixed on oscillating arms during its alternating winding and unwinding movement on two main cylinders.
  • the fabric consists of pieces sewn together to form a long strip which is unrolled from one of the main cylinders and, after passing through the bath, is wound onto the other cylinder and vice versa during the whole treatment of the fabric.
  • Each passage from one cylinder to the other is called “straightening” .
  • the dyeing process in the machine can be run in its various phases by establishing a priori the times of the single phases, or as happens more frequently, by controlling the number of "straightening passages" necessary for completing the single phases . This allows the same dyeing cycle to be used regardless of the length of tissue effectively loaded in the machine.
  • Machines of this type have the advantage of not subjecting the fabric to particular mechanical stress and also treating extremely worn articles, but they also have various limitations.
  • the length of the process times corresponds to that of the strip of fabric to be treated.
  • the treatment time limits the maximum loading capacity of machines currently produced (maximum diameter of the cylinder with the fabric wound 1400 mm approximately) , as a greater quantity of metres would require excessively long treatment times and the risk of non-uniform treatment.
  • the present invention intends to overcome the above drawbacks by proposing a machine in which the strip of fabric to be treated is divided into at least two strips and wherein each strip of fabric is treated on a pair of main cylinders, which are all contained in the same machine unit .
  • the present invention allows a drastic reduction in the dyeing times, energy consumption, vapour and chemical products with respect to the machines so far produced, in addition to guaranteeing greater uniformity and producing machines capable of treating much higher quantities of fabric.
  • An aspect of the present invention relates to a machine for the treatment of fabric
  • a machine unit in which, preferably in the lower portion there is at least one tank containing a treatment bath for the fabric, characterized in that inside said machine unit, there are at least two processing modules of the 'fabric, wherein each of these comprises a pair of winding/unwinding rolls of a strip of fabric, which by rotating in one direction or the other allow the passage of the fabric from one roll to the other passing through said tank.
  • FIG. 2 schematically illustrates a machine for the treatment of fabric according to a second embodiment of the invention
  • the machine comprises a machine unit 2, preferably cylindrically shaped, in which, preferably in the lower portion 3, there is at least one tank containing a treatment bath 4, for example a dye bath.
  • a treatment bath 4 for example a dye bath.
  • processing modules of the fabric wherein each of these comprises a pair of winding/unwinding rolls 51, 51'; 52, 52' of a strip of fabric T, T', which by rotating in one direction or the other allow the passage of the fabric from one roll to the other passing through said tank.
  • Said winding/unwinding rolls are suitably driven by mechanical, oil-dynamic, hydraulic or electric motor groups (not shown) to allow a controlled rotation.
  • the strip is unwound from one of the two rolls of the pair of rolls on which it is wound, and guided by a series of advance cylinders and extenders 53 and 53', it passes into the treatment bath 4, for example when it is situated in the lower part of the tank 3 by means of at least one lower end cylinder 54 and 54' which is normally immersed in the dye bath, and is then rewound onto the other roll of the pair of rolls.
  • the processing modules of the fabric are preferably symmetrical with respect to a central vertical dividing axis Y 'of the machine unit. Furthermore, in the embodiment illustrated in figure 1, the strip of fabric T is rolled onto the winding and unwinding cylinders 51 and 52 so that the portion of unwound fabric is facing the outer side edge of the machine unit. In the embodiment illustrated in figure 2, the strip of fabric T is rolled onto the winding and unwinding cylinders 51 and 52, so that the portion of unwound fabric is facing said central axis Y of the machine unit .
  • the rotation rates of the rolls are normally the same.
  • the same can be compensated by modifying the velocity of the single pairs of cylinders and/or by delaying the inversion of the movement of the cylinder with the strip having the shorter length.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Abstract

A machine for the treatment of fabric comprising a machine, unit (2), in which there is at least one tank (3) containing a treatment bath (4) for the fabric. Inside said machine unit, there are at least two processing modules of the fabric, wherein each of these comprises a pair of winding/unwinding rolls (51, 51'; 52, 52') of a strip of fabric (T, T'), which by rotating in one direction or the other allow the passage of the fabric from one roll to the other passing through said tank (3).

Description

MACHINE FOR THE TREATMENT OF FABRICS
The present invention relates to a machine for the treatment of fabrics such as, for example, purging, bleaching, dyeing, washing, in which the fabric is kept in the extended state during the processing.
Machines of this type are commonly known as "jiggers" and normally consist of a tank, through which the fabric passes, kept in an extended state by guiding cylinders and in some cases by .bars fixed on oscillating arms during its alternating winding and unwinding movement on two main cylinders. The fabric consists of pieces sewn together to form a long strip which is unrolled from one of the main cylinders and, after passing through the bath, is wound onto the other cylinder and vice versa during the whole treatment of the fabric. Each passage from one cylinder to the other is called "straightening" .
The passage rate of the fabric from one cylinder to the other and the tension exerted on the fabric itse If, which vary significantly from the beginning to the end of the piece due to the different diameters, are kept constant by the control of the moving devices of the main cylinders which are effected with the use of various systems, for example by means of oil-dynamic control centres, electric motors, inverters, encoders, charge cell sensors, etc.
The dyeing process in the machine can be run in its various phases by establishing a priori the times of the single phases, or as happens more frequently, by controlling the number of "straightening passages" necessary for completing the single phases . This allows the same dyeing cycle to be used regardless of the length of tissue effectively loaded in the machine.
Machines of this type have the advantage of not subjecting the fabric to particular mechanical stress and also treating extremely worn articles, but they also have various limitations.
With the same characteristics of the fabric and treatment to be effected, for example, the length of the process times corresponds to that of the strip of fabric to be treated.
Considering that in the best of hypotheses the maximum advance rate of the fabric ranges from 100 m to 150 m per minute and that strips over 4000 m long can normally be treated, the time for a single "straightening" can quite often be over 20 minutes and the dyeing cycle exceed well over 8 hours .
This also causes possible non-uniformity during the treatment, making it more difficult to keep the composition constant in the treatment bath during the whole "straightening" passage, and a greater heat differential is created between the fabric wound onto the cylinders and the treatment bath, phenomena which, if not controlled correctly, can cause processing defects .
Furthermore, the treatment time limits the maximum loading capacity of machines currently produced (maximum diameter of the cylinder with the fabric wound 1400 mm approximately) , as a greater quantity of metres would require excessively long treatment times and the risk of non-uniform treatment.
The present invention intends to overcome the above drawbacks by proposing a machine in which the strip of fabric to be treated is divided into at least two strips and wherein each strip of fabric is treated on a pair of main cylinders, which are all contained in the same machine unit .
In this way, the present invention allows a drastic reduction in the dyeing times, energy consumption, vapour and chemical products with respect to the machines so far produced, in addition to guaranteeing greater uniformity and producing machines capable of treating much higher quantities of fabric.
An aspect of the present invention relates to a machine for the treatment of fabric comprising a machine unit, in which, preferably in the lower portion there is at least one tank containing a treatment bath for the fabric, characterized in that inside said machine unit, there are at least two processing modules of the 'fabric, wherein each of these comprises a pair of winding/unwinding rolls of a strip of fabric, which by rotating in one direction or the other allow the passage of the fabric from one roll to the other passing through said tank. The characteristics and advantages of the machine according to the present invention will appear more evident from the following description of two illustrative and non-limiting embodiments, in which the enclosed figures represent: - figure 1 schematically illustrates a machine for the treatment of fabric according to a first embodiment of the invention;
- figure 2 schematically illustrates a machine for the treatment of fabric according to a second embodiment of the invention
With reference to the above figures, the machine according to the present invention comprises a machine unit 2, preferably cylindrically shaped, in which, preferably in the lower portion 3, there is at least one tank containing a treatment bath 4, for example a dye bath. Inside said machine unit, there are at least two processing modules of the fabric, wherein each of these comprises a pair of winding/unwinding rolls 51, 51'; 52, 52' of a strip of fabric T, T', which by rotating in one direction or the other allow the passage of the fabric from one roll to the other passing through said tank. Said winding/unwinding rolls are suitably driven by mechanical, oil-dynamic, hydraulic or electric motor groups (not shown) to allow a controlled rotation.
Once the treatment has been started, the strip is unwound from one of the two rolls of the pair of rolls on which it is wound, and guided by a series of advance cylinders and extenders 53 and 53', it passes into the treatment bath 4, for example when it is situated in the lower part of the tank 3 by means of at least one lower end cylinder 54 and 54' which is normally immersed in the dye bath, and is then rewound onto the other roll of the pair of rolls. This occurs contemporaneously for each module present inside the machine unit (in the figures illustrated, there are two modules) .
The passage called "straightening" is then repeated in the opposite direction. This alternating movement is repeated for as many times are necessary for completing the treatment .
The processing modules of the fabric are preferably symmetrical with respect to a central vertical dividing axis Y 'of the machine unit. Furthermore, in the embodiment illustrated in figure 1, the strip of fabric T is rolled onto the winding and unwinding cylinders 51 and 52 so that the portion of unwound fabric is facing the outer side edge of the machine unit. In the embodiment illustrated in figure 2, the strip of fabric T is rolled onto the winding and unwinding cylinders 51 and 52, so that the portion of unwound fabric is facing said central axis Y of the machine unit .
With this configuration, the strips of fabric complete a "straightening" passage, with the same velocity of the fabric, in half the time with respect to the traditional machines equipped with a single pair of cylinders and a single strip. The shorter duration of the treatment consequently leads to greater saving in energy, vapour, auxiliary products, chemical products and water.
When the strips of fabric of different modules have the same length, the rotation rates of the rolls are normally the same. When there are differences in the length of the strips of tissue T and T' and on the basis of the entity of said difference, the same can be compensated by modifying the velocity of the single pairs of cylinders and/or by delaying the inversion of the movement of the cylinder with the strip having the shorter length.

Claims

1. A machine for the treatment of fabric comprising a machine unit (2) , in which there is at least one tank
(3) containing a treatment bath (4) for the fabric, characterized in that inside said machine unit, there are at least two processing modules of the fabric, wherein each of these comprises a pair of winding/unwinding rolls (51, 51'; 52, 52') of a strip of fabric (T, T' ) , which by rotating in one direction or the other allow the passage of the fabric from one roll to the other passing through said tank (3) .
2. The machine for the treatment of fabric according to claim 1, wherein said processing modules are preferably symmetrical with respect to a central vertical dividing axis (Y) of the machine unit.
3. The machine for the treatment of fabric according to claim 1, wherein the strip of fabric is wound onto winding and unwinding cylinders so that the portion of unwound fabric is facing the outer side edge of the machine unit.
4. The machine for the treatment of fabric according to claim 1, wherein the strip of fabric is wound onto winding and unwinding cylinders so that the portion of unwound fabric is facing said central axis (Y) of the machine unit. - S -
5. The machine for the treatment of fabric according to claim 1, wherein the strip of fabric (T, T') is guided by a series of advance and extending cylinders (53, 5-3') and passes into the treatment bath (4) through the tank (3) by means of a lower end cylinder (54, 54') which is immersed in the treatment bath.
6. The machine for the treatment of fabric according to cla,im 1, wherein, if the strips of fabric of different modules have the same length, the rotation rates of the rolls are the same.
7. The machine for the treatment of fabric according to claim 1, wherein, if there are differences in the length of the strips of fabric, on the basis of the entity of said difference, the same is compensated by modifying the rates of the single pairs of cylinders and/or by delaying the inversion of the movement of the cylinder with the strip having the shorter length.
EP07848988A 2006-12-06 2007-12-03 Machine for the treatment of fabrics Active EP2122032B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT002361A ITMI20062361A1 (en) 2006-12-06 2006-12-06 FABRIC TREATMENT MACHINE
PCT/IB2007/003822 WO2008068609A1 (en) 2006-12-06 2007-12-03 Machine for the treatment of fabrics

Publications (2)

Publication Number Publication Date
EP2122032A1 true EP2122032A1 (en) 2009-11-25
EP2122032B1 EP2122032B1 (en) 2011-02-16

Family

ID=39272218

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07848988A Active EP2122032B1 (en) 2006-12-06 2007-12-03 Machine for the treatment of fabrics

Country Status (9)

Country Link
EP (1) EP2122032B1 (en)
CN (1) CN101600830B (en)
AT (1) ATE498722T1 (en)
BR (1) BRPI0719740B1 (en)
DE (1) DE602007012594D1 (en)
DK (1) DK2122032T3 (en)
ES (1) ES2361254T3 (en)
IT (1) ITMI20062361A1 (en)
WO (1) WO2008068609A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3969656A4 (en) * 2019-05-15 2023-01-25 Twine Solutions Ltd. Treatment system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB432094A (en) * 1935-03-05 1935-07-19 Philibert Deck Improvements in dye jigs
JPH02175963A (en) * 1988-12-26 1990-07-09 Hisaka Works Ltd Fabric-treating apparatus
DK160264C (en) * 1989-02-22 1991-07-22 Henriksen Vald As PROCEDURE FOR COLORING A DUST COURSE ON A JIGGER AND JIGGER FOR EXECUTING THE PROCEDURE
CN2143234Y (en) * 1992-06-30 1993-10-06 胡鸣宏 Textile fabrics finishing machine with two mills
CN2665172Y (en) * 2003-09-27 2004-12-22 浙江丝绸科技有限公司 Multiple units coloring device
CN2780801Y (en) * 2005-03-11 2006-05-17 张琦 Knitting full width horizontal birotary drum rinsing machine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2008068609A1 *

Also Published As

Publication number Publication date
DK2122032T3 (en) 2011-06-06
ES2361254T3 (en) 2011-06-15
CN101600830B (en) 2012-01-04
WO2008068609A1 (en) 2008-06-12
ITMI20062361A1 (en) 2008-06-07
ATE498722T1 (en) 2011-03-15
BRPI0719740A2 (en) 2014-09-16
BRPI0719740B1 (en) 2016-12-06
EP2122032B1 (en) 2011-02-16
CN101600830A (en) 2009-12-09
DE602007012594D1 (en) 2011-03-31

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