EP1802797B1 - Method and plant for printing a chain of warp yarns - Google Patents
Method and plant for printing a chain of warp yarns Download PDFInfo
- Publication number
- EP1802797B1 EP1802797B1 EP05761506A EP05761506A EP1802797B1 EP 1802797 B1 EP1802797 B1 EP 1802797B1 EP 05761506 A EP05761506 A EP 05761506A EP 05761506 A EP05761506 A EP 05761506A EP 1802797 B1 EP1802797 B1 EP 1802797B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chain
- yarns
- plant
- ink
- sensor
- 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.)
- Not-in-force
Links
- 238000000034 method Methods 0.000 title claims description 35
- 239000004744 fabric Substances 0.000 claims description 23
- 238000005470 impregnation Methods 0.000 claims description 20
- 238000001035 drying Methods 0.000 claims description 12
- 238000005507 spraying Methods 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 230000001276 controlling effect Effects 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 238000007654 immersion Methods 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims 1
- 239000011347 resin Substances 0.000 description 8
- 229920005989 resin Polymers 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 125000002091 cationic group Chemical group 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- ISIPQAHMLLFSFR-GDNBJRDFSA-N [(z)-3-acetylsulfanyl-4-[(4-amino-2-methylpyrimidin-5-yl)methyl-formylamino]pent-3-enyl] acetate Chemical compound CC(=O)OCC\C(SC(C)=O)=C(/C)N(C=O)CC1=CN=C(C)N=C1N ISIPQAHMLLFSFR-GDNBJRDFSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000004202 carbamide Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- FHVDTGUDJYJELY-UHFFFAOYSA-N 6-{[2-carboxy-4,5-dihydroxy-6-(phosphanyloxy)oxan-3-yl]oxy}-4,5-dihydroxy-3-phosphanyloxane-2-carboxylic acid Chemical compound O1C(C(O)=O)C(P)C(O)C(O)C1OC1C(C(O)=O)OC(OP)C(O)C1O FHVDTGUDJYJELY-UHFFFAOYSA-N 0.000 description 1
- SJEYSFABYSGQBG-UHFFFAOYSA-M Patent blue Chemical compound [Na+].C1=CC(N(CC)CC)=CC=C1C(C=1C(=CC(=CC=1)S([O-])(=O)=O)S([O-])(=O)=O)=C1C=CC(=[N+](CC)CC)C=C1 SJEYSFABYSGQBG-UHFFFAOYSA-M 0.000 description 1
- 239000000980 acid dye Substances 0.000 description 1
- 229940072056 alginate Drugs 0.000 description 1
- 235000010443 alginic acid Nutrition 0.000 description 1
- 229920000615 alginic acid Polymers 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
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- 238000012544 monitoring process Methods 0.000 description 1
- 239000000985 reactive dye Substances 0.000 description 1
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- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
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- 238000010025 steaming Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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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
- D06B11/00—Treatment of selected parts of textile materials, e.g. partial dyeing
- D06B11/0056—Treatment of selected parts of textile materials, e.g. partial dyeing of fabrics
- D06B11/0059—Treatment of selected parts of textile materials, e.g. partial dyeing of fabrics by spraying
-
- 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
- D06B3/04—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of yarns, threads or filaments
-
- 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
- D06B11/00—Treatment of selected parts of textile materials, e.g. partial dyeing
-
- 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
- D06B11/00—Treatment of selected parts of textile materials, e.g. partial dyeing
- D06B11/002—Treatment of selected parts of textile materials, e.g. partial dyeing of moving yarns
- D06B11/0023—Treatment of selected parts of textile materials, e.g. partial dyeing of moving yarns by spraying or pouring
Definitions
- the present invention relates to a method and plant for printing a chain of warp yarns, the method and plant of the invention in particular being arranged to form chine' fabrics.
- Fabrics are composed of warp yarns woven with weft yarns; the totality of warp yarns (not yet woven with weft yarns) is known as a chain.
- the chain i.e. the totality of warp yarns
- the chain is previously fed to a loom to form a fabric presenting very few wefts per centimetre, to obtain a fabric presenting characteristics similar to those of a gauze.
- This fabric is fed to a printing table of traditional type to form the desired decorative motifs thereon.
- the weft yarns are extracted manually from the fabric in a discontinuous manner (usually 50 centimetres at a time), the released chain portions (i.e. The warp yarns) then being rewound on a warp beam.
- the warp beam can then be fed to a loom to weave the previously printed chain yarns with new weft yarns (very densely) and form a fabric (by using the already printed chain and non-printed weft yarns).
- This method is also discontinuous and manual (proceeding in about 50 centimetre steps), resulting in lengthy dead periods and consequent limited production.
- the traditional method also requires the preparation of print frames or paper representing the motif to be transferred onto the chain by thermal transfer; the costs and commitment that this involves make the use of this method very uneconomical, especially for limited production.
- the technical aim of the present invention is therefore to provide a method and plant for printing a chain of warp yarns which enable the stated drawbacks of the known art to be eliminated.
- an object of the invention is to provide a method and plant with which chine' fabric can be produced more quickly and at lower cost than in the known art.
- the method and plant of the invention do not require the formation of fabric to be printed by traditional methods, from which the weft yarns are then removed to obtain the printed chain.
- Another object of the invention is to provide a method and plant which enable chine' fabric to be produced continuously and which present very high productivity.
- a further object of the present invention is to provide a method and plant which do not require the provision of print frames or paper reproducing the motifs to be thermally transferred onto the chain.
- the finished product obtained using the method and plant of the invention presents very high printing quality and, at the same time, high flexibility in producing the designs.
- sampling can be organized easily and economically.
- the method for printing a chain of warp yarns according to the invention consists of spraying ink onto the yarn chain by a plotter, to form a predetermined decorative motif thereon; "ink” means any colouring product which is sprayed onto the yarn chain.
- the yarn chain After receiving the ink, the yarn chain is dried, whereas before spraying ink the yarn chain is impregnated with a product facilitating ink absorption.
- the yarn chain is impregnated by immersion in a tank containing the impregnating product, after which the yarn chain is wrung out.
- the yarn chain is dried.
- the tension of the chain yarns is measured before their impregnation, their tensioning then being regulated to maintain it within a predetermined range.
- Drying can also influence the chain yarn tension, consequently the method also includes measuring the tension of the chain yarns 3 after drying, and regulating their tensioning to maintain it within a predetermined range.
- the tension is suitably regulated by monitoring the average of the tensions in the chain yarns, measured before impregnation and after drying.
- the yarn chain is unwound from a support and sprayed with ink continuously.
- the present invention also relates to a plant for printing a chain of warp yarns, which is indicated overall by the reference numeral 1.
- the plant 1 comprises means 2 for feeding the yarn chain 3 to an ink application device 4 comprising an ink jet plotter as the ink spray means.
- the plant 1 also comprises an adhesive belt 5 for carrying the yarn chain 3 to the plotter 4.
- the adhesive belt 5 is operated by a first motor 6 connected to the plotter 4 which controls its operation, the plotter being connected to a plant operation control unit 7 and to a PC for transmitting all data relative to the printing (e.g. shapes and colours).
- the plant also comprises a drying device 9, positioned downstream of the plotter 4, to dry the chain yarn portions leaving the plotter 4.
- the product consists of a mixture prepared by mixing 100 grams/litre of urea with 20 grams/litre of liquid oxidol (anti-reducing agent) and 20 grams/litre of sodium bicarbonate. 10 litres of water are then prepared, to which there are added (by spray-mixing) 100 grams/litre of "alginate ALG 30 MB" produced by D.A.T.T. Chimica and 10 grams/litre of tersene hexaliquid sequestrant (in water) and 10 grams/litre of imbibing agent.
- the product in a second embodiment (for acid dyes), consists of a mixture prepared by mixing 30 grams/litre of urea with 30 grams/litre of "acidat" produced by D.A.T.T. Chimica. 10 litres of water are then prepared, to which there are added (by spray-mixing) 100 grams/litre of "my program SN 12 AZ" and 10 grams/litre of "diaselin RB" imbibing agent.
- the impregnation device 11 consists in the illustrated example of a tank containing the impregnating product into which the chain 3 is immersed.
- the plant Downstream of the impregnation device 11 the plant presents a wringing device 12 for removing any excess of impregnating product from the yarns of the chain 3.
- the wringing device 12 comprises a pair of rollers 13 rotatable by a second motor 14 connected to a unit 7 for controlling plant operation.
- rollers 13 are mutually associated (at 15) along one of their generating lines, so that during operation the yarns of the chain 3 are pressed between the mutually associated rollers 13.
- the plant To control the tension of the chain yarns the plant presents a first sensor 17 for measuring the tension of the yarns of the chain 3.
- the sensor 17 is disposed upstream of the impregnation device 11 and is connected to the plant operation control unit 7.
- the plant 1 also presents a drying device 19 positioned downstream of the wringing device 12; it dries the chain yarns after they have been immersed in the impregnating product, so that they are ready to receive the ink.
- the plant 1 also presents a seconds sensor 20 for measuring the tension of the yarns of the chain 3; this second sensor 20 is positioned downstream of the drying device 19 and is connected to the plant operation control unit 7.
- the feed means 2 comprise a support rotatable by a third motor 22; a beam 21 for feeding the chain yarns 3 to be processed can be housed on this support.
- the third motor 22 is also connected to the plant operation control unit 7.
- the plant also comprises a discharge support rotatable by a fourth motor 25, this discharge support housing a discharge beam on which the chain yarns 3 are rewound after processing.
- the motor 25 is controlled by a sensor 26 disposed downstream of the plotter 4 (the motor 25 although independent presents friction deriving from the sensor 26 in the form of a feeler); the sensor 26 measures the tension of the chain yarns and regulates the speed of the motor 25 to maintain this tension within a predetermined range.
- the chain yarns 3 are unwound from the beam 21 and pass by the first sensor 17 where their tension is measured; the chain yarns are then immersed in the tank 11 where they are impregnated with impregnating product.
- the chain yarns 3 then pass between the rollers 13 where excess product is removed.
- the chain yarns 3 then pass through the dryer 19 where they are perfectly dried and prepared to receive the ink.
- the sensor 20 measures the tension of the chain yarns 3 and transmits it to the control unit to enable the control unit 7 to regulate the plant on the basis of the average of the tensions measured by the first and second sensor 17, 20.
- the chain yarns 3 are then deposited on the adhesive belt 5 which guides them to the plotter 4 where they receive the ink, and after drying through the dryer 9 are rewound onto the beam 23.
- the method of the invention enables just the chain yarns themselves to be printed continuously without the need to produce a fabric to be printed and from which the weft yarns have then to be removed to obtain the warp yarns (to be wound on a beam to obtain a printed chain).
- the present invention also relates to software for controlling the plant printing the chain of warp yarns.
- the software comprises means for controlling printing by the plotter 4 and regulator means for operating the first and second motor 6, 14 feeding the chain yarns 3 from the feed beam 21 to the plotter 4 in relation to the plotter printing speed.
- the software also presents means for acquiring (from the first sensor 17 and from the second sensor 20) those values indicative of the tension of the chain yarns 3 and means for regulating the speed at least of the second motor 14, to maintain the tension measured by the first and second sensor 17, 20 within a predetermined range.
- the software also comprises means for regulating the speed at least of the first motor 6 to maintain the tension measured by the second sensor 20 within a predetermined range.
- Figure 2 shows an embodiment of the plant particularly suitable to be fed with pre-impregnated chain yarns. i.e. having undergone impregnation before being placed on the machine.
- the plant comprises a yarn feeder composed of a yarn tension sensor 50 (for example equal to the sensor 20) connected to the motor 22 operating the beam 21, the adhesive belt 5, the plotter 4 and the dryer 9.
- a yarn tension sensor 50 for example equal to the sensor 20
- the second sensor 20 controls the chain yarns to ensure processing quality
- the chain yarns 3 can be prepared by the device of Figure 3 , which comprises the impregnation device, the wringing device and the drying device, followed by rewinding the chain yarns on the discharge beam 23.
- Figure 4 shows a different embodiment of the impregnation device; this comprises a roller over which the chain yarns slide; this roller is immersed in the impregnating product and entrains it during its rotation, to wet the chain yarns.
- Figure 5 shows an embodiment of the impregnation device provided with fixed or movable spray nozzles which spray the impregnating product onto the chain yarns.
- Figure 6 shows a beam about which the chain yarns are wound, and having a body provided with a plurality of through holes 28; this beam (with the chain yarns wound thereon)) is inserted into a suitable tank from which the impregnating product passes into the beam through the holes 28, then passes to the outside of the beam, so that in passing through the beam the impregnating product wets the chain yarns.
- the method and plant of the invention can also be conveniently used together with the (known) delave' process.
- the chain yarns are immersed in mixtures of cationic resins (of known type for the delave' process) and water.
- the quantity of resin mixed with water can vary by ⁇ 50%; the utilization range is at least between 5 and 95 grams/litre (grams of resin per litre of water).
- the impregnating product contained in the tank 11 is hence (in this case) the described cationic resin mixture.
- the cationic resin mixture can also be used in the plant of Figure 3 to produce yarns to be wound on a beam.
- the delave' impregnation enables particularly brilliant colours to be obtained on the yarns (and hence on the finished fabric), this being useful for forming particular decorative motifs (this is true especially for cotton and linen).
- delave' treatment with cationic resins can be implemented on any type of fabric or yarn, as preparatory treatment allowing subsequent printing of fabrics or yarns by a plotter.
- the delave' process can also be implemented directly during preparation of the yarn in dyeing machines to hence prepare a beam carrying chain yarns ready for printing (hence without the need to immerse the chain yarns in the bath containing the impregnation product).
- the method and plant for printing a chain of warp yarns according to the invention are particularly advantageous because they enable chine' fabric to be produced very quickly at very low cost; they also enable a very limited production to be achieved quickly at low cost.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
- Coloring (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Abstract
Description
- The present invention relates to a method and plant for printing a chain of warp yarns, the method and plant of the invention in particular being arranged to form chine' fabrics.
- Fabrics are composed of warp yarns woven with weft yarns; the totality of warp yarns (not yet woven with weft yarns) is known as a chain.
- Chine' fabrics in particular present decorative motifs which appear with confused jagged edges as they are formed by printing the decorative motifs not on the fabric, but only on the warp (i.e. by printing only on the chain prior to forming the fabric).
- In the traditional method of forming chine' fabrics, the chain (i.e. the totality of warp yarns) is previously fed to a loom to form a fabric presenting very few wefts per centimetre, to obtain a fabric presenting characteristics similar to those of a gauze.
- This fabric is fed to a printing table of traditional type to form the desired decorative motifs thereon.
- After printing, steaming is carried out to fix the printed colour to the fibres, followed by washing to eliminate the excess colour.
- After these operations, the weft yarns are extracted manually from the fabric in a discontinuous manner (usually 50 centimetres at a time), the released chain portions (i.e. The warp yarns) then being rewound on a warp beam.
- The warp beam can then be fed to a loom to weave the previously printed chain yarns with new weft yarns (very densely) and form a fabric (by using the already printed chain and non-printed weft yarns).
- During weaving the chain yarns tend to shift slightly one relative to another to generate the desired shading effect with confused jagged edges.
-
US 3 785 179 ,EP 0 942 084 andUS 5 983 678 disclose a method and a plant according to the pre-characterising part ofclaims 1 and 6. - However the described traditional method is extremely lengthy, complicated and costly to implement as it involves prior formation of the fabric to be printed, then removal of the weft yarns and rewinding of the warp yarns on a warp beam.
- This method is also discontinuous and manual (proceeding in about 50 centimetre steps), resulting in lengthy dead periods and consequent limited production.
- The traditional method also requires the preparation of print frames or paper representing the motif to be transferred onto the chain by thermal transfer; the costs and commitment that this involves make the use of this method very uneconomical, especially for limited production.
- In particular, the process of thermal transfer onto warp yarns from suitably prepared paper is extremely costly because it requires the preparation of several metres of paper, or alternatively it can be implemented using just a small quantity of paper, but this is extremely costly. Moreover the finished product formed in this manner presents very poor print quality and lacks design exclusivity. All this means that sampling in particular cannot be organized easily or economically.
- The technical aim of the present invention is therefore to provide a method and plant for printing a chain of warp yarns which enable the stated drawbacks of the known art to be eliminated.
- Within the scope of this technical aim, an object of the invention is to provide a method and plant with which chine' fabric can be produced more quickly and at lower cost than in the known art.
- In particular, the method and plant of the invention do not require the formation of fabric to be printed by traditional methods, from which the weft yarns are then removed to obtain the printed chain.
- Another object of the invention is to provide a method and plant which enable chine' fabric to be produced continuously and which present very high productivity.
- A further object of the present invention is to provide a method and plant which do not require the provision of print frames or paper reproducing the motifs to be thermally transferred onto the chain.
- This makes the production of chine' fabrics extremely flexible, rapid and economical, even when limited production is required.
- The technical aim, together with these and further objects, are attained according to the invention by providing a method and plant for printing a chain of warp yarns in accordance with the accompanying claims.
- Advantageously, the finished product obtained using the method and plant of the invention presents very high printing quality and, at the same time, high flexibility in producing the designs.
- Moreover with the method and plant of the invention sampling can be organized easily and economically.
- Further characteristics and advantages of the invention will be more apparent from the description of a preferred but non-exclusive embodiment of the method and plant for printing a chain of warp yarns according to the invention, illustrated by way of non-limiting example in the accompanying drawings, in which:
-
Figure 1 is a schematic view of a plant according to the invention; -
Figures 2 and 3 are two different embodiments of the plant of the invention for processing a chain the yarns of which have been previously treated to undergo preparation to receive ink and, respectively, for preparing the chain to receive ink; and -
Figures 4, 5 and 6 show a detail of three different embodiments of a chain impregnation device. - The method for printing a chain of warp yarns according to the invention consists of spraying ink onto the yarn chain by a plotter, to form a predetermined decorative motif thereon; "ink" means any colouring product which is sprayed onto the yarn chain.
- After receiving the ink, the yarn chain is dried, whereas before spraying ink the yarn chain is impregnated with a product facilitating ink absorption.
- Preferably the yarn chain is impregnated by immersion in a tank containing the impregnating product, after which the yarn chain is wrung out.
- After wringing, the yarn chain is dried.
- During the impregnation and wringing operations the tension of the chain yarns varies, the tension being maintained under control to ensure production quality.
- For this purpose the tension of the chain yarns is measured before their impregnation, their tensioning then being regulated to maintain it within a predetermined range.
- Drying can also influence the chain yarn tension, consequently the method also includes measuring the tension of the
chain yarns 3 after drying, and regulating their tensioning to maintain it within a predetermined range. - The tension is suitably regulated by monitoring the average of the tensions in the chain yarns, measured before impregnation and after drying.
- Advantageously, the yarn chain is unwound from a support and sprayed with ink continuously.
- The present invention also relates to a plant for printing a chain of warp yarns, which is indicated overall by the reference numeral 1.
- The plant 1 comprises means 2 for feeding the
yarn chain 3 to an ink application device 4 comprising an ink jet plotter as the ink spray means. - The plant 1 also comprises an
adhesive belt 5 for carrying theyarn chain 3 to the plotter 4. - The
adhesive belt 5 is operated by afirst motor 6 connected to the plotter 4 which controls its operation, the plotter being connected to a plantoperation control unit 7 and to a PC for transmitting all data relative to the printing (e.g. shapes and colours). - The plant also comprises a
drying device 9, positioned downstream of the plotter 4, to dry the chain yarn portions leaving the plotter 4. - Upstream of the plotter 4 there is a
device 11 for impregnating the yarns of thechain 3; it impregnates the yarns with a product (of known type) for facilitating ink absorption. - In a first embodiment (for reactive dyes), the product consists of a mixture prepared by mixing 100 grams/litre of urea with 20 grams/litre of liquid oxidol (anti-reducing agent) and 20 grams/litre of sodium bicarbonate. 10 litres of water are then prepared, to which there are added (by spray-mixing) 100 grams/litre of "alginate ALG 30 MB" produced by D.A.T.T. Chimica and 10 grams/litre of tersene hexaliquid sequestrant (in water) and 10 grams/litre of imbibing agent.
- In a second embodiment (for acid dyes), the product consists of a mixture prepared by mixing 30 grams/litre of urea with 30 grams/litre of "acidat" produced by D.A.T.T. Chimica. 10 litres of water are then prepared, to which there are added (by spray-mixing) 100 grams/litre of "my program SN 12 AZ" and 10 grams/litre of "diaselin RB" imbibing agent.
- The
impregnation device 11 consists in the illustrated example of a tank containing the impregnating product into which thechain 3 is immersed. - Downstream of the
impregnation device 11 the plant presents a wringing device 12 for removing any excess of impregnating product from the yarns of thechain 3. - The wringing device 12 comprises a pair of
rollers 13 rotatable by asecond motor 14 connected to aunit 7 for controlling plant operation. - The
rollers 13 are mutually associated (at 15) along one of their generating lines, so that during operation the yarns of thechain 3 are pressed between the mutually associatedrollers 13. - To control the tension of the chain yarns the plant presents a
first sensor 17 for measuring the tension of the yarns of thechain 3. - The
sensor 17 is disposed upstream of theimpregnation device 11 and is connected to the plantoperation control unit 7. - The plant 1 also presents a
drying device 19 positioned downstream of the wringing device 12; it dries the chain yarns after they have been immersed in the impregnating product, so that they are ready to receive the ink. - The plant 1 also presents a
seconds sensor 20 for measuring the tension of the yarns of thechain 3; thissecond sensor 20 is positioned downstream of thedrying device 19 and is connected to the plantoperation control unit 7. - The feed means 2 comprise a support rotatable by a
third motor 22; abeam 21 for feeding thechain yarns 3 to be processed can be housed on this support. - The
third motor 22 is also connected to the plantoperation control unit 7. - The plant also comprises a discharge support rotatable by a
fourth motor 25, this discharge support housing a discharge beam on which thechain yarns 3 are rewound after processing. - The
motor 25 is controlled by asensor 26 disposed downstream of the plotter 4 (themotor 25 although independent presents friction deriving from thesensor 26 in the form of a feeler); thesensor 26 measures the tension of the chain yarns and regulates the speed of themotor 25 to maintain this tension within a predetermined range. - The operation of the plant of the invention is apparent from that described and illustrated and is substantially as follows.
- The
chain yarns 3 are unwound from thebeam 21 and pass by thefirst sensor 17 where their tension is measured; the chain yarns are then immersed in thetank 11 where they are impregnated with impregnating product. - The
chain yarns 3 then pass between therollers 13 where excess product is removed. - The
chain yarns 3 then pass through thedryer 19 where they are perfectly dried and prepared to receive the ink. - At this point the
sensor 20 measures the tension of thechain yarns 3 and transmits it to the control unit to enable thecontrol unit 7 to regulate the plant on the basis of the average of the tensions measured by the first andsecond sensor - The
chain yarns 3 are then deposited on theadhesive belt 5 which guides them to the plotter 4 where they receive the ink, and after drying through thedryer 9 are rewound onto thebeam 23. - Hence in practice the method of the invention enables just the chain yarns themselves to be printed continuously without the need to produce a fabric to be printed and from which the weft yarns have then to be removed to obtain the warp yarns (to be wound on a beam to obtain a printed chain).
- The present invention also relates to software for controlling the plant printing the chain of warp yarns.
- The software comprises means for controlling printing by the plotter 4 and regulator means for operating the first and
second motor chain yarns 3 from thefeed beam 21 to the plotter 4 in relation to the plotter printing speed. - The software also presents means for acquiring (from the
first sensor 17 and from the second sensor 20) those values indicative of the tension of thechain yarns 3 and means for regulating the speed at least of thesecond motor 14, to maintain the tension measured by the first andsecond sensor - The software also comprises means for regulating the speed at least of the
first motor 6 to maintain the tension measured by thesecond sensor 20 within a predetermined range. - Modifications and variants in addition to those already stated are possible, for example
Figure 2 shows an embodiment of the plant particularly suitable to be fed with pre-impregnated chain yarns. i.e. having undergone impregnation before being placed on the machine. - In this case the plant comprises a yarn feeder composed of a yarn tension sensor 50 (for example equal to the sensor 20) connected to the
motor 22 operating thebeam 21, theadhesive belt 5, the plotter 4 and thedryer 9. - It should be noted that in this embodiment the
second sensor 20 controls the chain yarns to ensure processing quality - The
chain yarns 3 can be prepared by the device ofFigure 3 , which comprises the impregnation device, the wringing device and the drying device, followed by rewinding the chain yarns on thedischarge beam 23. -
Figure 4 shows a different embodiment of the impregnation device; this comprises a roller over which the chain yarns slide; this roller is immersed in the impregnating product and entrains it during its rotation, to wet the chain yarns. -
Figure 5 shows an embodiment of the impregnation device provided with fixed or movable spray nozzles which spray the impregnating product onto the chain yarns. -
Figure 6 shows a beam about which the chain yarns are wound, and having a body provided with a plurality of throughholes 28; this beam (with the chain yarns wound thereon)) is inserted into a suitable tank from which the impregnating product passes into the beam through theholes 28, then passes to the outside of the beam, so that in passing through the beam the impregnating product wets the chain yarns. - The method and plant of the invention can also be conveniently used together with the (known) delave' process.
- It has been found that traditional delave' treatment with resins is useful and is advantageously usable in preparing chain yarns or fabrics or yarns which are to be decorated by a plotter.
- For this purpose the chain yarns are immersed in mixtures of cationic resins (of known type for the delave' process) and water.
- For example, 30 grams/litre of the cationic resin "fissat tx" produced by the firm Bozzetto are mixed with water; the chain yarns are immersed in this mixture in known manner.
- Depending on the required results, the quantity of resin mixed with water can vary by ±50%; the utilization range is at least between 5 and 95 grams/litre (grams of resin per litre of water).
- The impregnating product contained in the
tank 11 is hence (in this case) the described cationic resin mixture. - The cationic resin mixture can also be used in the plant of
Figure 3 to produce yarns to be wound on a beam. - It has been found that impregnating the yarns by the delave' process gives excellent results when the yarns are of vegetable fibre (for example cotton or linen) or animal fibre (wool-cashmere-silk).
- Moreover, with both vegetable fibres and animal fibres, the delave' impregnation enables particularly brilliant colours to be obtained on the yarns (and hence on the finished fabric), this being useful for forming particular decorative motifs (this is true especially for cotton and linen).
- It has also been surprisingly discovered that the delave' treatment with cationic resins can be implemented on any type of fabric or yarn, as preparatory treatment allowing subsequent printing of fabrics or yarns by a plotter.
- The delave' process can also be implemented directly during preparation of the yarn in dyeing machines to hence prepare a beam carrying chain yarns ready for printing (hence without the need to immerse the chain yarns in the bath containing the impregnation product).
- It has been found in practice that the method and plant for printing a chain of warp yarns according to the invention are particularly advantageous because they enable chine' fabric to be produced very quickly at very low cost; they also enable a very limited production to be achieved quickly at low cost.
- The method and plant for printing a chain of warp yarns conceived in this manner are susceptible to numerous modifications and variants, all falling within the scope of the inventive concept; moreover all details can be replaced by technically equivalent elements.
- In practice the materials used and the dimensions can be chosen at will according to requirements and to the state of the art.
Claims (20)
- A method for printing a chain of warp yarns (3) by spraying ink onto the chain of yarns (3) to produce thereon a predetermined decorative motif, characterised at least by the following steps:- unwounding said chain of warp (3) yarns from a first beam (21),- measuring the tension of the chain yarns (3), and regulating their tensioning to maintain it within a predetermined range before printing said chain,- depositing said a chain of warp yarns on adhesive belt (5);- guiding said chain of warp yarns (3) to a plotter (4);- spraying said ink by said plotter (4);- rewounding said chain of warp yarns (3) on a second beam;- feeding said second beam (23) to a loom to weave said printing chain of warp yarns (3) with weft yarns in order to obtain a fabric.
- A method as claimed in claim 1, characterised in that after receiving the ink the yarn chain (3) is dried and in that before spraying ink, the yarn chain (3) is impregnated with a product facilitating ink absorption.
- A method as claimed in claim 2, characterised in that the yarn chain (3) is impregnated by immersion in a tank containing said product, in that after immersion, the yarn chain (3) is subjected to wringing and in that after said wringing, the yarn chain (3) is dried.
- A method as claimed in claim 3, characterised in that the measuring the tension of the chain yarns is made before their impregnation.
- A method as claimed in claim 3 , characterised in that the measuring the tension of the chain yarns is made after drying.
- A plant for printing a chain of warp yarns (3), comprising means for feeding the yarn chain (3) to an ink application device comprising means for spraying ink onto said chain to reproduce a predetermined motif, characterised by comprising:- a first beam (21) where said chain of warp yarns (3) are wounded, said first beam (21) housed on a support rotatable by a first motor (22),- a first sensor (20, 50) disposed downstream to said first beam (21) and upstream to said ink application device, for measuring the tension of the chain yarns (3) in order to controlling their tensioning to maintain it within a predetermined range,- an adhesive belt (5) for conveying the chain of warp yarns (3) to said ink spraying means, said adhesive belt being operable by at least one second motor (6),- said ink spraying means comprising a plotter (4) of ink jet type,- a second beam (23) where said chain of warp yarns (3) are rewounded.
- A plant as claimed in claim 6, characterised in that said first motor (22) and second motor (6) are connected to a plant operation control unit (7).
- A plant as claimed in claim 6, characterised in that second motor (6) is connected to the plotter (4) which controls its operation, the plotter being connected to a plant operation control unit (7) and to a PC for transmitting all data relative to the printing.
- A plant as claimed in claim 6, characterised by comprising a drying device (9), positioned downstream of said plotter (4), to dry the portions of chain yarns (3) leaving said plotter (4).
- A plant as claimed in claim 6 onwards, characterised by comprising, upstream of said plotter (4), a yarn chain impregnation device (11) for impregnating said yarns with a product facilitating ink absorption, by comprising, downstream of said impregnation device (11), a wringing device (12) for removing any excess product from said chain yarns (3) and in that said wringing device (12) comprises a pair of rollers (13) rotatable by at least one third motor (14) connected to a plant operation control unit (7), said rollers (13) being mutually associated along one of their generating lines such that during operation, the chain yarns (3) are pressed between said mutually associated rollers (13).
- A plant as claimed in claim 10, characterised by comprising, for measuring the tension of said chain yarns (3), a second sensor (17) disposed upstream of said impregnation device (11), said second sensor (17) being connected to a plant operation control unit (7).
- A plant as claimed in claim 10, characterised by comprising a drying device (19) positioned downstream of said wringing device (12).
- A plant as claimed claim 12, characterised in that, said first sensor (20) is positioned downstream of said drying device (19).
- A plant as claimed claim 6, characterised in that said first sensor (20) is connected to said plant operation control unit (7).
- A plant as claimed claim 6, characterised in said second beam (23) is housed on a support rotatable by a fourth motor (25) connected to a tension measuring sensor (26).
- A plant as claimed in claim 10, characterised in that said impregnation device (11) comprises a roller (13) over which the chain yarns (3) slide, the roller (13) being immersed in the impregnating product and entraining it during rotation, to wet the chain yarns (3).
- A plant as claimed in claim 10, characterised in that said impregnation device (11) comprises fixed or movable spray nozzles which spray the impregnating product onto the chain yarns (3).
- A plant as claimed claims 6, characterised in that the first sensor (50) is connected to the first motor (22).
- A plant as claimed claims 10, characterised by comprising a software for controlling the plant comprising means for controlling printing by the ink spraying means and regulator means for operating the first, the second and the third motor feeding the chain yarns (3) from the first beam to the ink spraying means in relation to the printing speed of the ink spraying means, the plant also comprises a second chain yarn tension sensor (17) disposed upstream of the impregnation device (11), said software presenting means for acquiring, from the second sensor (17), values indicative of the tension of the chain yarns (3), and means for regulating the speed of at least the second and third motor, to maintain the tension measured by the second sensor (17) within a predetermined range.
- A plant as claimed in claim 19, characterised in that said software comprises means for acquiring, from the first sensor (20), values indicative of the tension chain yarns, and means for regulating the speed of at least the second motor, to maintain the tension measured by the first sensor within a predetermined range.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI200530662T SI1802797T1 (en) | 2005-05-19 | 2005-05-19 | Method and plant for printing a chain of warp yarns |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IT2005/000283 WO2006123372A1 (en) | 2005-05-19 | 2005-05-19 | Method and plant for printing a chain of warp yarns |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1802797A1 EP1802797A1 (en) | 2007-07-04 |
EP1802797B1 true EP1802797B1 (en) | 2009-01-28 |
Family
ID=35515673
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05761506A Not-in-force EP1802797B1 (en) | 2005-05-19 | 2005-05-19 | Method and plant for printing a chain of warp yarns |
Country Status (12)
Country | Link |
---|---|
US (1) | US20080314091A1 (en) |
EP (1) | EP1802797B1 (en) |
JP (1) | JP5265352B2 (en) |
KR (1) | KR101295391B1 (en) |
CN (1) | CN101203642A (en) |
AT (1) | ATE422001T1 (en) |
CA (1) | CA2608735A1 (en) |
DE (1) | DE602005012595D1 (en) |
ES (1) | ES2321635T3 (en) |
PT (1) | PT1802797E (en) |
SI (1) | SI1802797T1 (en) |
WO (1) | WO2006123372A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3070196B1 (en) * | 2015-03-17 | 2019-05-08 | Dyeberg S.p.A. | Apparatus and method for the finishing of yarns |
EP3633090A1 (en) * | 2018-10-04 | 2020-04-08 | Gitalia Jacquard S.r.l. | Machine and method for manufacturing printed yarns |
KR102434682B1 (en) | 2021-07-22 | 2022-08-23 | 한국기계연구원 | An apparatus for continuously performing fiber processing and 3d printing, and a method for manufacturing a functional yarn using the same |
CN115139585B (en) * | 2022-06-23 | 2024-01-12 | 红豆集团无锡红豆童装有限公司 | Skin-friendly fabric for children's garments and preparation process thereof |
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BE790231A (en) * | 1971-10-18 | 1973-02-15 | North American Mills | APPARATUS AND METHOD FOR APPLYING COLORANTS AND / OR CHEMICALS TO FABRICS, TABLECLOTHS, STRANDS OR THREADS |
DE2422373A1 (en) * | 1973-08-09 | 1975-02-20 | Rueti Ag Maschf | METHOD AND EQUIPMENT FOR MANUFACTURING FABRICS WITH DIFFERENT COLORED WEFT FEEDS |
US4009513A (en) * | 1976-02-02 | 1977-03-01 | Andersen Bjorn A | Production of warp of textured yarns of uniform properties |
US4106416A (en) * | 1976-12-02 | 1978-08-15 | Westpoint Pepperell, Inc. | Control apparatus for textile dyeing and tufting machinery |
JPH0740650A (en) * | 1993-07-30 | 1995-02-10 | Canon Inc | Printing medium, method for grasping state of printing means and printing apparatus |
EP0714779B1 (en) * | 1994-11-30 | 2003-03-12 | Canon Kabushiki Kaisha | Ink-jet printing apparatus |
FR2739880B1 (en) * | 1995-10-13 | 1997-12-05 | Superba Sa | CONTINUOUS YARN DYING PROCESS, IN PARTICULAR BASED ON CELLULOSIC FIBERS WITH REACTIVE DYES, AND DEVICE FOR IMPLEMENTING THIS PROCESS |
JPH1053973A (en) * | 1996-07-31 | 1998-02-24 | Canon Inc | Knitted fabric for ink jet printing, its production, ink jet printing and ink jet printed product |
US5983952A (en) * | 1998-03-13 | 1999-11-16 | Tietex International, Ltd. | System and method for forming a fabric having a synchronized woven design and printed design |
JP4058161B2 (en) * | 1998-05-15 | 2008-03-05 | ゼネラル株式会社 | Ink-receiving fiber cloth and method for producing the same |
JP3708777B2 (en) * | 2000-01-31 | 2005-10-19 | 株式会社名機製作所 | Disc substrate molding method |
BE1013539A6 (en) * | 2000-05-25 | 2002-03-05 | Picanol Nv | Method and device for applying material on a wire in a textile machine. |
JP2002029110A (en) * | 2000-07-18 | 2002-01-29 | Canon Inc | Recording medium conveying device and recording device |
US6413632B1 (en) * | 2001-01-25 | 2002-07-02 | Milliken & Company | Space dyed yarn |
JP2002249267A (en) * | 2001-02-22 | 2002-09-03 | Konica Corp | Ink jet printer |
JP2002294540A (en) * | 2001-03-30 | 2002-10-09 | Gifu Prefecture | Colored pattern-knitting machine |
JP2003213534A (en) * | 2002-01-16 | 2003-07-30 | Taka Senko Kk | Dyed yarn, fabric by using the same, method for producing dyed yarn and device for producing dyed yarn |
JP3805716B2 (en) * | 2002-05-27 | 2006-08-09 | 稲岡工業株式会社 | Method for dyeing warp of pile fabric |
US7017244B2 (en) * | 2002-06-03 | 2006-03-28 | Hunter Douglas Inc. | Beam winding apparatus |
MY144216A (en) * | 2003-07-10 | 2011-08-15 | Ciba Holding Inc | Polycondensates as dyeing promoters for hydrophobic polymer articles |
-
2005
- 2005-05-19 DE DE602005012595T patent/DE602005012595D1/en active Active
- 2005-05-19 CA CA002608735A patent/CA2608735A1/en not_active Abandoned
- 2005-05-19 PT PT05761506T patent/PT1802797E/en unknown
- 2005-05-19 KR KR1020077029568A patent/KR101295391B1/en not_active IP Right Cessation
- 2005-05-19 JP JP2008511870A patent/JP5265352B2/en not_active Expired - Fee Related
- 2005-05-19 ES ES05761506T patent/ES2321635T3/en active Active
- 2005-05-19 AT AT05761506T patent/ATE422001T1/en not_active IP Right Cessation
- 2005-05-19 CN CNA2005800498317A patent/CN101203642A/en active Pending
- 2005-05-19 SI SI200530662T patent/SI1802797T1/en unknown
- 2005-05-19 EP EP05761506A patent/EP1802797B1/en not_active Not-in-force
- 2005-05-19 WO PCT/IT2005/000283 patent/WO2006123372A1/en active Application Filing
- 2005-05-19 US US11/914,887 patent/US20080314091A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
JP2008540867A (en) | 2008-11-20 |
SI1802797T1 (en) | 2009-06-30 |
JP5265352B2 (en) | 2013-08-14 |
WO2006123372A1 (en) | 2006-11-23 |
CN101203642A (en) | 2008-06-18 |
PT1802797E (en) | 2009-05-05 |
DE602005012595D1 (en) | 2009-03-19 |
ATE422001T1 (en) | 2009-02-15 |
EP1802797A1 (en) | 2007-07-04 |
CA2608735A1 (en) | 2006-11-23 |
ES2321635T3 (en) | 2009-06-09 |
US20080314091A1 (en) | 2008-12-25 |
KR20080038277A (en) | 2008-05-06 |
KR101295391B1 (en) | 2013-08-09 |
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