US20020174694A1 - Apparatus for wet treatment of rope fabric - Google Patents
Apparatus for wet treatment of rope fabric Download PDFInfo
- Publication number
- US20020174694A1 US20020174694A1 US10/151,816 US15181602A US2002174694A1 US 20020174694 A1 US20020174694 A1 US 20020174694A1 US 15181602 A US15181602 A US 15181602A US 2002174694 A1 US2002174694 A1 US 2002174694A1
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- United States
- Prior art keywords
- tank
- laps
- fabric
- elements
- liquid
- 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.)
- Abandoned
Links
- 239000004744 fabric Substances 0.000 title claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims description 10
- 230000000284 resting effect Effects 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 3
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 10
- 239000000975 dye Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000002791 soaking Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Images
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
- D06B3/28—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics propelled by, or with the aid of, jets of the treating material
Definitions
- the present invention relates to an for wet treatment of rope fabric, which have the characteristics specified in the preambles of the attached claims 1 and 13, respectively.
- Apparatuses of the above-mentioned type are used in the textile industry for performing operations of finishing of fabrics (such as dyeing, washing, bleaching, etc.).
- a piece or bolt of fabric which is to undergo treatment is loaded in the form of an endless rope into the apparatus and made to circulate repeatedly through a treatment tank in order to be brought into contact with the liquid.
- the piece or bolt is made to fold on itself inside the aforesaid tank to assume a lap conformation.
- the portion in laps of the piece is immersed completely in a bath of liquid which fills the tank of the apparatus.
- the portion in laps of the piece is, instead, wetted inside the tank by means of sprinklers which form part of a treatment-liquid circulation circuit, the bottom area of the laps being immersed in a bath of liquid formed on the bottom of the tank.
- continuous circulation of the piece inside the machine is at least in part carried out pneumatically or hydraulically, i.e., exploiting the effect of a jet of air or of a jet of the treatment liquid itself.
- the purpose of the present invention is to overcome the aforesaid drawback.
- one first purpose of the present invention is to provide an apparatus for wet treatment of rope fabric which will enable the amount of liquid necessary for the treatment process to be contained, i.e., which will enable reduction of the so-called “bath ratio” (understood as the ratio between the amount of the liquid used in the apparatus and the amount of fabric treated).
- An associated purpose of the invention is to provide such an apparatus and such a method in which the quality and effectiveness of treatment will be ensured even in the presence of a modest level of the treatment liquid inside the tank.
- Another associated purpose of the invention is to provide such an apparatus and such a method in which, even in the presence of a modest level of the treatment liquid, an efficient movement of the portion in laps of the piece inside the tank will be ensured.
- a further purpose of the invention is to provide an apparatus that is simple and inexpensive to implement, as well as ensuring safe and reliable operation over time.
- FIG. 1 is a schematic representation, by means of a partial side cross-sectional view, of an apparatus for wet treatment of rope fabric, built according to the present invention
- FIG. 2 is a partial and schematic cross-sectional view, according to the line II-II of FIG. 1, of the apparatus built in accordance with the present invention.
- FIG. 3 represents, by means of respective schematic lateral cross sections, four different operating positions of a crank mechanism that forms part of the apparatus built in accordance with the present invention.
- FIGS. 1 and 2 designates, as a whole, an apparatus for wet treatment of rope fabric built according to the teachings of the present invention.
- the reference number 1 designates a treatment tank of the apparatus AT, inside which a piece T of fabric gathered in the form of an endless rope is made to pass in order to be treated with a liquid.
- the said treatment liquid is a dye.
- the tank 1 is equipped with a front door 2 and has a substantially circular cross section. Inside the tank there are provided two parallel walls, designated by 1 A in FIG. 2, for lateral containment of the piece T.
- the reference number 3 designates sprinkling members set inside the tank 1 and designed to distribute the dye in the form of a spray over the underlying piece T.
- the various sprinklers 3 are connected together by a distribution manifold 4 , the latter being supplied by means of a delivery path 5 which forms part of a dye circulation circuit.
- the reference number 6 designates a pipe for delivery of water from a water supply (not represented) connected to the delivery path 5 for possible washing of the piece T after the latter has been treated with the dye.
- the tank 1 has a through filler 7 to which the end of a tube 8 for conveying the piece T is connected, the said tube 8 branching off from one inlet mouth 9 for soaking.
- a distribution funnel 10 which is designed to bring about, according to known procedures, the laying-out in laps of the piece T as this enters the tank 1 .
- some of the laps obtained for the piece T are designated by FT, whilst the letters TF designate, as a whole, the portion in the form of laps of the said piece T, as this is formed inside the tank 1 .
- the reference number 11 designates a nozzle by means of which dye is introduced into the inlet mouth 9 .
- the nozzle 11 is supplied by means of a respective pump (not illustrated) the delivery of which, designated by 12 , is connected to an intake sump 13 , the said sump 13 having the purpose of taking up some of the dye bath that gathers in the bottom of the front area of the tank 1 . Also reaching the sump 13 , via a pipe 14 provided with inlet mouths 14 A and 14 B, is dye, which gathers in the bottom of the intermediate and rear areas of the tank 1 .
- the reference number 15 designates a motor-driven reel for drawing the piece T that comes out of the tank 1 , the piece being guided for this purpose by a guide element 16 and a feeler 17 , both being designed according to the prior art.
- the reference number 18 designates an idler roller for controlling movement of the piece T, the said control roller being provided for guiding the piece T towards the inlet mouth 9 .
- the reference number 19 designates a meter-counter idler roller of a known type used for measuring the length of the piece T at input to the apparatus according to the invention.
- the reference number 20 designates a reel which is used for carrying out loading of the piece T from an accumulation station 21 to the apparatus AT.
- the reel 20 is likewise used, at the end of the treatment process in the apparatus AT, for discharging the piece T into the station 21 .
- the tank 1 conveying means for conveying the piece T, the said conveying means being designed to bring about stepwise advance of the portion TF set in laps of the piece T and to improve soaking of the said portion.
- the aforementioned conveying means are in particular made up of a series of mobile elements 22 basically in the form of parallel bars, between which there are interspaced fixed elements 23 , which are also made in the form of parallel bars.
- Both the mobile elements 22 and the fixed elements 23 extend longitudinally inside the tank 1 in the bottom portion thereof and for at least one prevalent stretch of its length. It may be noted from FIGS. 1 and 2 how, by means of respective actuating shafts 24 , the various mobile elements 22 may assume a raised position with respect to the fixed elements 23 for the purposes that will be clarified in what follows.
- the shafts 24 by which movement of the elements 22 with respect to the fixed elements 23 is obtained, form part of respective crank mechanisms, designated as a whole by MA 1 , . . . , MA 6 .
- the reference number 25 designates, as a whole, an electric motor designed for producing rotation of a respective shaft.
- an electric motor designed for producing rotation of a respective shaft.
- respective pulleys 26 At the two ends of the aforesaid shaft, which is designated by 25 A in FIG. 2, there are fitted respective pulleys 26 .
- the reference number 27 designates a further two pulleys, each of which is fitted to one end of a shaft 28 . Between the pulleys 26 and 27 are fitted respective belts or chains, designated as a whole by 29 .
- the pulleys 27 likewise define a respective ring gear 27 A, on which there is fitted a chain, designated as a whole by 30 in FIG. 1.
- the chain 30 is fitted on the gears 27 A associated to the crank mechanisms MA 2 , . . . , MA 6 . Instead, no pulley 27 is associated to the crank mechanism MA 1 since it is not necessary.
- the rotation of the shaft 25 A can be transferred by means of the chains 29 to the pulleys 27 and then, via the various gears 27 A and the chains 30 , to the shafts 28 forming part of the crank mechanisms MA 2 , . . . , MA 6 .
- FIG. 3 there may be seen some components of the crank mechanisms MA 1 , . . . , MA 6 in four different operating positions.
- the reference numbers 22 and 23 respectively designate one of the already mentioned mobile elements and one of the already mentioned fixed elements that form part of the means for conveying the piece T.
- the reference number 24 designates one of the aforesaid actuating shafts for operation of a respective mobile element 22 .
- each shaft 24 is rendered fixed, in a known way, to the respective mobile element 22 , whilst the bottom end of each shaft 24 is connected to a joint 31 .
- the joint 31 has a hinge pin 33 for hinging to a disk 33 , the latter being fitted to a respective shaft 28 .
- each shaft 28 of the crank mechanisms MA 1 , . . . , MA 6 Fitted to each shaft 28 of the crank mechanisms MA 1 , . . . , MA 6 are six disks 33 positioned underneath as many fixed elements 23 and aligned to the latter (in particular, underneath the first, third, fifth, seventh, ninth and eleventh fixed element 23 . Articulated to the two opposite surfaces of each of said disks 33 by means of a pin 32 are respective joints 31 and shafts 24 . In this way, rotation of the shaft 28 enables simultaneous movement of all of the mobile elements 22 .
- Part A of FIG. 3 illustrates the same position of operation already illustrated in FIGS. 1 and 2, i.e., the position in which the mobile elements 22 are in a raised position with respect to the fixed elements 23 .
- Part B of FIG. 3 illustrates the condition reached following upon a movement of 90° of the disks 33 .
- the said movement of the disks 33 determines a displacement of the joints 31 and of the shafts 24 such as to produce simultaneously an advance (namely, to the left as viewed in the figure) and a lowering of the mobile elements 22 with respect to the fixed elements 23 until the top surface of the former is aligned or flush with the bottom surface of the latter.
- Part C of FIG. 3 illustrates the condition reached following upon a further movement of 90° of the disks 33 .
- This movement determines a displacement of the joints 31 and of the shafts 24 such as to produce simultaneously a further lowering of the mobile elements 22 with respect to the fixed elements 23 and a recession of the said elements 22 (namely, towards the right as viewed in the figure).
- the top surface of the elements 22 is at a level lower than that of the elements 23 .
- part D of FIG. 3 illustrates the condition reached following upon a further movement of 90° of the disks 33 .
- This movement determines a displacement of the joints 31 and of the shafts 24 such as to produce simultaneously a further recession (namely, towards the right as viewed in the figure) and a raising of the mobile elements 22 with respect to the fixed elements 23 until the top surface of the former is again aligned or flush with the bottom surface of the latter.
- crank mechanism By means of a further movement of 90° of the disks 33 , the crank mechanism is brought back to the initial position illustrated in part A of FIG. 3, thus obtaining a new raising of the mobile elements 22 with respect to the mobile elements 23 and a simultaneous advance of the mobile elements 22 (i.e., towards the left as viewed in the figure).
- the general operating principle of the apparatus AT is implemented according to substantially known procedures.
- the operation envisages activation of the above-mentioned pump that feeds the nozzle 11 .
- the consequent jet of liquid at intake to the inlet mouth 9 brings about, in a way in itself known, progressive advance of the piece T along the conveyance pipe 8 .
- the liquid injected by the nozzle 11 traverses the pipe 8 until it reaches the tank 1 , to be then distributed inside the tank 1 itself, but always beneath the plane identified by the fixed elements 23 .
- the piece T is deposited on top of the translator apparatus, inside the tank 1 and by means of the distribution funnel 10 , in lapped form TF.
- the piece T is guided by the guide element 16 and by the feeler 17 on the reel 15 , which draws along the piece T, the latter being guided by the roller 18 again inside the inlet mouth 9 .
- the piece T is initially soaked in the liquid that flows inside the pipe 8 .
- the laps FT of the portion TF are spray-wetted by means of the sprinklers 3 .
- the primary subject of the present invention regards the fact that there are provided, within the tank 1 , specific conveying means 22 for the piece T, which are designed to produce stepwise advance of the portion TF in laps and to improve soaking of the latter.
- the laps FT of the piece T are raised with respect to the elements 23 and are resting exclusively on the various elements 22 ;
- the elements 22 cause advance of the portion TF in laps, at the same time bringing about lowering thereof towards the elements 23 ; when this position is reached, the laps FT are resting both on the elements 22 and on the elements 23 ;
- the quality and effectiveness of the treatment are in any case guaranteed even in the presence of a reduced level of the liquid bath in the tank 1 .
- advance of the piece T along the pipe 8 is at least, in part obtained by exploiting the effect of the jet at output from the nozzle 11 , namely by means of a hydraulic drawing system. It is however clear that, alternatively, drawing along of the piece T could be obtained by means of an jet of air, i.e., by means of a pneumatic system of a type in itself known.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
An apparatus (AT) for wet treatment of rope fabric (T), in particular endless-rope fabric, of the type comprising at least one treatment tank (1) through which the fabric (T) is made to pass in the presence of a liquid, where at least one portion (TF) of the fabric (T) is gathered in laps (FT) inside the tank (1).
Motor-driven conveying means (22) for causing stepwise advance of the laps (FT) of said portion are provided inside said tank.
Description
- The present invention relates to an for wet treatment of rope fabric, which have the characteristics specified in the preambles of the attached
claims - Apparatuses of the above-mentioned type are used in the textile industry for performing operations of finishing of fabrics (such as dyeing, washing, bleaching, etc.). For processing purposes, a piece or bolt of fabric which is to undergo treatment is loaded in the form of an endless rope into the apparatus and made to circulate repeatedly through a treatment tank in order to be brought into contact with the liquid. For the purposes of the treatment, the piece or bolt is made to fold on itself inside the aforesaid tank to assume a lap conformation.
- In a first type of known apparatus, the portion in laps of the piece is immersed completely in a bath of liquid which fills the tank of the apparatus. In a second type of known apparatus, the portion in laps of the piece is, instead, wetted inside the tank by means of sprinklers which form part of a treatment-liquid circulation circuit, the bottom area of the laps being immersed in a bath of liquid formed on the bottom of the tank. In both of the above-mentioned types of apparatus, continuous circulation of the piece inside the machine is at least in part carried out pneumatically or hydraulically, i.e., exploiting the effect of a jet of air or of a jet of the treatment liquid itself.
- In the present state of the art, in tanks of apparatus belonging to the second type referred to above the level of the aforesaid bath of liquid must be very high in order to reduce the passive resistance to advance of the portion in laps of the piece inside the tank.
- The purpose of the present invention is to overcome the aforesaid drawback.
- In the above general framework, one first purpose of the present invention is to provide an apparatus for wet treatment of rope fabric which will enable the amount of liquid necessary for the treatment process to be contained, i.e., which will enable reduction of the so-called “bath ratio” (understood as the ratio between the amount of the liquid used in the apparatus and the amount of fabric treated).
- An associated purpose of the invention is to provide such an apparatus and such a method in which the quality and effectiveness of treatment will be ensured even in the presence of a modest level of the treatment liquid inside the tank.
- Another associated purpose of the invention is to provide such an apparatus and such a method in which, even in the presence of a modest level of the treatment liquid, an efficient movement of the portion in laps of the piece inside the tank will be ensured.
- A further purpose of the invention is to provide an apparatus that is simple and inexpensive to implement, as well as ensuring safe and reliable operation over time.
- The above and yet other purposes are achieved, according to the present invention, by an apparatus for wet treatment of rope fabric that have the characteristics specified in the attached claims, which are to be understood as forming an integral part of the present description.
- Further purposes, characteristics and advantages of the present invention will emerge clearly from the ensuing detailed description and from the attached drawings, which are provided purely by way of explanatory and non-limiting example, and in which
- FIG. 1 is a schematic representation, by means of a partial side cross-sectional view, of an apparatus for wet treatment of rope fabric, built according to the present invention;
- FIG. 2 is a partial and schematic cross-sectional view, according to the line II-II of FIG. 1, of the apparatus built in accordance with the present invention; and
- FIG. 3 represents, by means of respective schematic lateral cross sections, four different operating positions of a crank mechanism that forms part of the apparatus built in accordance with the present invention.
- In FIGS. 1 and 2, AT designates, as a whole, an apparatus for wet treatment of rope fabric built according to the teachings of the present invention.
- In the above figures, the
reference number 1 designates a treatment tank of the apparatus AT, inside which a piece T of fabric gathered in the form of an endless rope is made to pass in order to be treated with a liquid. By way of example, it is supposed that the said treatment liquid is a dye. - The
tank 1 is equipped with afront door 2 and has a substantially circular cross section. Inside the tank there are provided two parallel walls, designated by 1A in FIG. 2, for lateral containment of the piece T. - The
reference number 3 designates sprinkling members set inside thetank 1 and designed to distribute the dye in the form of a spray over the underlying piece T. Thevarious sprinklers 3 are connected together by adistribution manifold 4, the latter being supplied by means of adelivery path 5 which forms part of a dye circulation circuit. - The
reference number 6 designates a pipe for delivery of water from a water supply (not represented) connected to thedelivery path 5 for possible washing of the piece T after the latter has been treated with the dye. - At the opposite end with respect to the one where the
door 2 is present, thetank 1 has a throughfiller 7 to which the end of atube 8 for conveying the piece T is connected, the saidtube 8 branching off from oneinlet mouth 9 for soaking. From thefiller 7 there branches off, towards the inside of thetank 1, adistribution funnel 10, which is designed to bring about, according to known procedures, the laying-out in laps of the piece T as this enters thetank 1. In this connection, in FIG. 1 some of the laps obtained for the piece T are designated by FT, whilst the letters TF designate, as a whole, the portion in the form of laps of the said piece T, as this is formed inside thetank 1. - The
reference number 11 designates a nozzle by means of which dye is introduced into theinlet mouth 9. Thenozzle 11 is supplied by means of a respective pump (not illustrated) the delivery of which, designated by 12, is connected to anintake sump 13, the saidsump 13 having the purpose of taking up some of the dye bath that gathers in the bottom of the front area of thetank 1. Also reaching thesump 13, via apipe 14 provided with inlet mouths 14A and 14B, is dye, which gathers in the bottom of the intermediate and rear areas of thetank 1. - The
reference number 15 designates a motor-driven reel for drawing the piece T that comes out of thetank 1, the piece being guided for this purpose by aguide element 16 and afeeler 17, both being designed according to the prior art. Thereference number 18 designates an idler roller for controlling movement of the piece T, the said control roller being provided for guiding the piece T towards theinlet mouth 9. Thereference number 19 designates a meter-counter idler roller of a known type used for measuring the length of the piece T at input to the apparatus according to the invention. - The
reference number 20 designates a reel which is used for carrying out loading of the piece T from anaccumulation station 21 to the apparatus AT. Thereel 20 is likewise used, at the end of the treatment process in the apparatus AT, for discharging the piece T into thestation 21. - According to a primary aspect of the present invention, there are provided inside the
tank 1 conveying means for conveying the piece T, the said conveying means being designed to bring about stepwise advance of the portion TF set in laps of the piece T and to improve soaking of the said portion. The aforementioned conveying means are in particular made up of a series ofmobile elements 22 basically in the form of parallel bars, between which there are interspacedfixed elements 23, which are also made in the form of parallel bars. - Both the
mobile elements 22 and thefixed elements 23 extend longitudinally inside thetank 1 in the bottom portion thereof and for at least one prevalent stretch of its length. It may be noted from FIGS. 1 and 2 how, by means of respective actuatingshafts 24, the variousmobile elements 22 may assume a raised position with respect to the fixedelements 23 for the purposes that will be clarified in what follows. - The
shafts 24, by which movement of theelements 22 with respect to thefixed elements 23 is obtained, form part of respective crank mechanisms, designated as a whole by MA1, . . . , MA6. - The
reference number 25 designates, as a whole, an electric motor designed for producing rotation of a respective shaft. As may be noted in FIG. 2, at the two ends of the aforesaid shaft, which is designated by 25A in FIG. 2, there are fittedrespective pulleys 26. - Again in FIG. 2, the
reference number 27 designates a further two pulleys, each of which is fitted to one end of ashaft 28. Between thepulleys - The
pulleys 27 likewise define arespective ring gear 27A, on which there is fitted a chain, designated as a whole by 30 in FIG. 1. Thechain 30 is fitted on thegears 27A associated to the crank mechanisms MA2, . . . , MA6. Instead, nopulley 27 is associated to the crank mechanism MA1 since it is not necessary. - Thanks to the aforesaid arrangement, the rotation of the
shaft 25A can be transferred by means of thechains 29 to thepulleys 27 and then, via thevarious gears 27A and thechains 30, to theshafts 28 forming part of the crank mechanisms MA2, . . . , MA6. - In FIG. 3 there may be seen some components of the crank mechanisms MA1, . . . , MA6 in four different operating positions.
- In the above-mentioned figures, the
reference numbers reference number 24 designates one of the aforesaid actuating shafts for operation of a respectivemobile element 22. - The top end of each
shaft 24 is rendered fixed, in a known way, to the respectivemobile element 22, whilst the bottom end of eachshaft 24 is connected to ajoint 31. Thejoint 31 has ahinge pin 33 for hinging to adisk 33, the latter being fitted to arespective shaft 28. - In the case exemplified in FIG. 2, twelve
mobile elements 22 are provided, between which are interspaced elevenfixed elements 23. Fitted to eachshaft 28 of the crank mechanisms MA1, . . . , MA6 are sixdisks 33 positioned underneath as many fixedelements 23 and aligned to the latter (in particular, underneath the first, third, fifth, seventh, ninth and eleventh fixedelement 23. Articulated to the two opposite surfaces of each of saiddisks 33 by means of apin 32 arerespective joints 31 andshafts 24. In this way, rotation of theshaft 28 enables simultaneous movement of all of themobile elements 22. - Part A of FIG. 3 illustrates the same position of operation already illustrated in FIGS. 1 and 2, i.e., the position in which the
mobile elements 22 are in a raised position with respect to thefixed elements 23. - Following upon operation of the
motor 25, with the consequent movement of theshafts 28, thevarious disks 33 are caused to rotate, in a counter-clockwise direction in the case exemplified. - Part B of FIG. 3 illustrates the condition reached following upon a movement of 90° of the
disks 33. As may be noted, by virtue of the articulated connection constituted by thepin 32, the said movement of thedisks 33 determines a displacement of thejoints 31 and of theshafts 24 such as to produce simultaneously an advance (namely, to the left as viewed in the figure) and a lowering of themobile elements 22 with respect to the fixedelements 23 until the top surface of the former is aligned or flush with the bottom surface of the latter. - Part C of FIG. 3 illustrates the condition reached following upon a further movement of 90° of the
disks 33. This movement determines a displacement of thejoints 31 and of theshafts 24 such as to produce simultaneously a further lowering of themobile elements 22 with respect to the fixedelements 23 and a recession of the said elements 22 (namely, towards the right as viewed in the figure). In this situation, the top surface of theelements 22 is at a level lower than that of theelements 23. - Finally, part D of FIG. 3 illustrates the condition reached following upon a further movement of 90° of the
disks 33. This movement determines a displacement of thejoints 31 and of theshafts 24 such as to produce simultaneously a further recession (namely, towards the right as viewed in the figure) and a raising of themobile elements 22 with respect to the fixedelements 23 until the top surface of the former is again aligned or flush with the bottom surface of the latter. - By means of a further movement of 90° of the
disks 33, the crank mechanism is brought back to the initial position illustrated in part A of FIG. 3, thus obtaining a new raising of themobile elements 22 with respect to themobile elements 23 and a simultaneous advance of the mobile elements 22 (i.e., towards the left as viewed in the figure). - Consequently, from the above description it may be seen how the
mobile elements 22 are driven by means of arrangements basically of the connecting rod-crank type, the joint 31-shaft 24 assembly constituting the connecting rod, and thedisk 33 providing the crank. From another point of view, it emerges clearly how the set of the various crank mechanisms MA1, . . . , MA6 forms a system of articulation for themobile elements 22, which is basically of the articulated-quadrilateral or articulated-parallelogram type. - As regards operation of the apparatus AT, loading of the desired amount of fabric from the
station 21 and its subsequent unloading in thesame station 21 at the end of the treatment process are performed by means of thereel 20 according to procedures which are in themselves known and which, consequently, do not call for a specific description herein. The same applies to the formation of the piece of endless rope fabric T inside the apparatus AT and to the loading of the treatment liquid or dye. Here, however, it will suffice to recall that the amount of liquid used is basically calculated according to the length, and hence the weight, of the piece T to be treated, the latter being measured by means of the meter-counter roller 19. In any case, the said amount of liquid is always underneath the conveying device, thus obtaining the dying process with the fabric always outside the bath. There derives therefrom the advantage represented by the possibility of operating with reduced bath ratios, in so far as the fabric no longer requires any liquid as a conveyance means because it is moved positively by the aforementioned translators. The liquid acts exclusively as a dyeing agent. - Also the general operating principle of the apparatus AT is implemented according to substantially known procedures. In this connection, it will suffice to point out that the operation envisages activation of the above-mentioned pump that feeds the
nozzle 11. The consequent jet of liquid at intake to theinlet mouth 9 brings about, in a way in itself known, progressive advance of the piece T along theconveyance pipe 8. The liquid injected by thenozzle 11 traverses thepipe 8 until it reaches thetank 1, to be then distributed inside thetank 1 itself, but always beneath the plane identified by the fixedelements 23. - The piece T is deposited on top of the translator apparatus, inside the
tank 1 and by means of thedistribution funnel 10, in lapped form TF. - At output from the
tank 1, the piece T is guided by theguide element 16 and by thefeeler 17 on thereel 15, which draws along the piece T, the latter being guided by theroller 18 again inside theinlet mouth 9. - In this way, continuous circulation is obtained of the piece T in the form of an endless rope through the apparatus AT.
- For the purposes of treatment, the piece T is initially soaked in the liquid that flows inside the
pipe 8. Inside thetank 1, the laps FT of the portion TF are spray-wetted by means of thesprinklers 3. - Part of the liquid bath present on the bottom of the
tank 1 passes, via thepipe 14, to the manifold 13, which sends the liquid again to thenozzle 11 and to thedelivery path 5, the latter feeding themanifold 4 of thesprinklers 3. - As has been said, the primary subject of the present invention regards the fact that there are provided, within the
tank 1, specific conveyingmeans 22 for the piece T, which are designed to produce stepwise advance of the portion TF in laps and to improve soaking of the latter. - The said features are obtained by means of cyclic movement of the
elements 22, as previously described with reference to FIG. 3; namely: - in the position referred to in part A of FIG. 3, the laps FT of the piece T are raised with respect to the
elements 23 and are resting exclusively on thevarious elements 22; - during passage to the position illustrated in part B of FIG. 3, the
elements 22 cause advance of the portion TF in laps, at the same time bringing about lowering thereof towards theelements 23; when this position is reached, the laps FT are resting both on theelements 22 and on theelements 23; - during passage to the position illustrated in part C of FIG. 3, the laps FT are resting exclusively on the
elements 23, and the movement of theelements 22 does not bring about any movement of the portion FT; - also during passage to the position illustrated in part D of FIG. 3, the movement of the
elements 22 does not bring about any movement of the portion TF; when the said position is reached, however, the laps FT are again resting both on theelements 22 and on theelements 23; - the subsequent return to the position illustrated in part A of FIG. 3 causes raising of the
elements 22 with respect to theelements 23, whereby the laps FT are again resting only on theelements 22 and the latter bring about new advance of the portion FT in laps. - As may be seen, repetition of the sequence described above brings about progressive advance in successive steps of the portion FT in laps inside the
tank 1. - The action of the conveying means represented by the
elements 22, in addition to improving advance of the portion TF, enables a considerable reduction in the level of the liquid bath, which must be kept below the plane identified by theelements 23. - As mentioned in the introductory part of the present description, in apparatus built according to the prior art the level of the liquid bath must be kept high in order to reduce passive resistance to the advance of the portion in laps of the piece inside the tank.
- The aforesaid need does no longer apply in the present invention thanks to the presence of the
elements 22, which enable elimination of the aforesaid resistance. In this connection, it should be emphasized how, by means of the action of theelements 22, in the apparatus AT according to the invention, dragging of the laps on the bottom of thetank 1 is prevented, the said phenomenon being instead typical of the prior art. - In the apparatus AT according to the invention the quality and effectiveness of the treatment are in any case guaranteed even in the presence of a reduced level of the liquid bath in the
tank 1. - From the above description there emerge clearly the characteristics of the apparatus and method according to the present invention, the said characteristics being summarized in the attached claims. Also the advantages of the present invention emerge clearly from the foregoing description.
- In the case exemplified previously, advance of the piece T along the
pipe 8 is at least, in part obtained by exploiting the effect of the jet at output from thenozzle 11, namely by means of a hydraulic drawing system. It is however clear that, alternatively, drawing along of the piece T could be obtained by means of an jet of air, i.e., by means of a pneumatic system of a type in itself known.
Claims (12)
1. An apparatus for wet treatment of rope fabric, in particular in the form of an endless rope, of the type defining a circulation path for said fabric which comprises:
at least one conveying pipe along which said fabric is forced to advance by the action of drawing means, and
a treatment tank through which said fabric is made to pass in the presence of a liquid,
means for gathering in laps at least one portion of said fabric inside said tank and
motor-driven conveying means for producing stepwise advance of the laps of said portion inside said tank.
2. The apparatus according to claim 1 , wherein said conveying means are operative for producing a cyclic raising of the laps of said portion with respect to a resting surface of said tank, on which said laps are able to come to rest in a reciprocating way.
3. The apparatus according to claim 2 , wherein said conveying means are operative for producing, at least in the course of said cyclic raising, a variation in the relative position of said laps with respect to said resting surface.
4. The apparatus according to claim 2 or claim 3 , wherein said resting surface comprises at least one fixed element that extends longitudinally in the bottom area of said tank, said fixed element being in the form of a bar.
5. The apparatus according to claim 4 , wherein said conveying means comprise at least one mobile element that extends longitudinally in the bottom area of said tank, said mobile element being in the form of a bar.
6. The apparatus according to claim 5 , wherein a plurality of said fixed elements and a plurality of said mobile elements are provided, said fixed and mobile elements extending substantially parallel to one another, for at least one prevalent stretch of the length of said tank.
7. The apparatus according to claim 6 , wherein said mobile elements are actuated by means of one or more crank mechanisms (MA1, . . . , MA6).
8. The apparatus according to claim 7 , wherein said mobile elements are actuated by means of an articulation system basically of the articulated-parallelogram type (MA1, . . . , MA6).
9. The apparatus according to claim 5 , comprising translating means for translating said laps above a bath of said liquid present in said tank, said translating means including said mobile elements.
10. The apparatus according to claim 9 , wherein agitating means are provided for agitating the liquid forming a bath in said tank.
11. The apparatus according to claim 1 , wherein sprinkling means are provided for distributing said liquid in the form of spray on said laps inside said tank.
12. The apparatus according to claim 1 , wherein said drawing means comprise an arrangement for the formation of a jet of fluid.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO2001A000487 | 2001-05-23 | ||
IT2001TO000487A ITTO20010487A1 (en) | 2001-05-23 | 2001-05-23 | APPARATUS AND METHOD FOR WET TREATMENT OF ROPE FABRIC. |
Publications (1)
Publication Number | Publication Date |
---|---|
US20020174694A1 true US20020174694A1 (en) | 2002-11-28 |
Family
ID=11458884
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/151,816 Abandoned US20020174694A1 (en) | 2001-05-23 | 2002-05-22 | Apparatus for wet treatment of rope fabric |
Country Status (5)
Country | Link |
---|---|
US (1) | US20020174694A1 (en) |
EP (1) | EP1260628B1 (en) |
AT (1) | ATE278828T1 (en) |
DE (1) | DE60201460T2 (en) |
IT (1) | ITTO20010487A1 (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100175200A1 (en) * | 2007-08-02 | 2010-07-15 | Then Maschinen Gmbh | Apparatus and method for the treatment of strand-shaped textile products |
KR101227028B1 (en) | 2011-03-03 | 2013-01-28 | 권중형 | Rapid dyeing machine with fabric ejector |
US20150308027A1 (en) * | 2014-04-29 | 2015-10-29 | Chi-Lung Chang | Conveyor Drive Fabric Dyeing Machine Equiped With Seam Detector |
US20150337472A1 (en) * | 2014-05-20 | 2015-11-26 | Chi-Lung Chang | Circulation protection device of conveyor-driven fabric dyeing machine |
US20150337471A1 (en) * | 2014-05-20 | 2015-11-26 | Chi-Lung Chang | Up-Inclined Coveyor-Driving Fabric Dyeing Machine |
US9970141B2 (en) * | 2015-02-18 | 2018-05-15 | Morrison Textile Machinery Company | Apparatus and method for washing an elongate textile article |
US10704175B2 (en) * | 2017-07-25 | 2020-07-07 | Chi-Lung Chang | Recovery container and dye chemical saving structure of conveyor-driven fabric dyeing machine |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100175200A1 (en) * | 2007-08-02 | 2010-07-15 | Then Maschinen Gmbh | Apparatus and method for the treatment of strand-shaped textile products |
US8746018B2 (en) * | 2007-08-02 | 2014-06-10 | Then Maschinen Gmbh | Apparatus and method for the treatment of strand-shaped textile products |
KR101227028B1 (en) | 2011-03-03 | 2013-01-28 | 권중형 | Rapid dyeing machine with fabric ejector |
US20150308027A1 (en) * | 2014-04-29 | 2015-10-29 | Chi-Lung Chang | Conveyor Drive Fabric Dyeing Machine Equiped With Seam Detector |
US20150337472A1 (en) * | 2014-05-20 | 2015-11-26 | Chi-Lung Chang | Circulation protection device of conveyor-driven fabric dyeing machine |
US20150337471A1 (en) * | 2014-05-20 | 2015-11-26 | Chi-Lung Chang | Up-Inclined Coveyor-Driving Fabric Dyeing Machine |
US9551101B2 (en) * | 2014-05-20 | 2017-01-24 | Chi-Lung Chang | Circulation protection device of conveyor-driven fabric dyeing machine |
US9970141B2 (en) * | 2015-02-18 | 2018-05-15 | Morrison Textile Machinery Company | Apparatus and method for washing an elongate textile article |
US10704175B2 (en) * | 2017-07-25 | 2020-07-07 | Chi-Lung Chang | Recovery container and dye chemical saving structure of conveyor-driven fabric dyeing machine |
Also Published As
Publication number | Publication date |
---|---|
EP1260628A1 (en) | 2002-11-27 |
DE60201460T2 (en) | 2005-10-20 |
ITTO20010487A0 (en) | 2001-05-23 |
EP1260628B1 (en) | 2004-10-06 |
ATE278828T1 (en) | 2004-10-15 |
DE60201460D1 (en) | 2004-11-11 |
ITTO20010487A1 (en) | 2002-11-23 |
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Owner name: FLAINOX SRL, ITALY Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:BOZZO, GIOVANNI;REEL/FRAME:012932/0546 Effective date: 20020327 |
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