EP2554733B1 - Machine pour fournir une adéquation pour le tissage d'un fil mince et/ou chaîne fabriqués par fibres animales et/ou végétales et/ou artificielles et/ou synthétiques à un état pur ou un mélange - Google Patents

Machine pour fournir une adéquation pour le tissage d'un fil mince et/ou chaîne fabriqués par fibres animales et/ou végétales et/ou artificielles et/ou synthétiques à un état pur ou un mélange Download PDF

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Publication number
EP2554733B1
EP2554733B1 EP20110425217 EP11425217A EP2554733B1 EP 2554733 B1 EP2554733 B1 EP 2554733B1 EP 20110425217 EP20110425217 EP 20110425217 EP 11425217 A EP11425217 A EP 11425217A EP 2554733 B1 EP2554733 B1 EP 2554733B1
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EP
European Patent Office
Prior art keywords
cylinder
warp
weaving
axis
yarn
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EP20110425217
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German (de)
English (en)
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EP2554733A1 (fr
Inventor
Alfonso Saibene
Carlotta Saibene
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CANEPA SpA
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Canepa SpA
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    • 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
    • D06B5/00—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating
    • D06B5/02—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating through moving materials of indefinite length
    • D06B5/06—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating through moving materials of indefinite length through yarns, threads or filaments

Definitions

  • the present invention refers to a machine for providing suitability for weaving a thin yarn or warp made by animal and/or vegetal and/or artificial and/or synthetic fibers at a pure state or in a mixture of the same.
  • thin yarn or warp it is meant the one having a titre not less than 60 Nm.
  • animal fibers fibers obtained from insects (for example silkworms) or from fleece (for example wool, alpaca, vicunia, cashmere, etc.)
  • vegetal fibers all the fibers obtained from plants, shrubs, fluorescence, roots, leaves (for example ramie fiber, bamboo, cotton, linen, etc.)
  • the spinning plant is provided with a first machine, which confers a spinning twist S or Z to the wick of natural fibers, for creating a natural yarn, a second doubling machine of the natural yarn with the hydro-soluble wire and a third machine, in which the doubled natural yarn with the hydro-soluble wire is subjected to a new twist in the same or opposed direction to that of the preceding twist in the spinning of the yarn.
  • the spinning technique used to confer to the thin yarn a suitability for spinning necessarily introduces an additional twist to the thin yarn, which can modify its physical final characteristics with respect to those actually required.
  • Such a spinning technique laments first of all the drawback of an excessive complexity of the spinning where various operations must be realized, among which as already said the first twist of the wick, the doubling of the natural yarn and the second twist of the doubled natural yarn.
  • a further disadvantageous aspect provides the fact that the natural yarn has protected areas for the presence of the hydro-soluble reinforcing yarn and areas that are more or less directly exposed to parts of the weaving frame, for example to the comb dividing the warp wires, and they can be subjected to wearing caused by friction or even a breaking during the weaving.
  • Document DE 19522830A1 discloses a well known apparatus to size a band of yarns and having a main mangle station with an immersed roller and initial mangle roller located in front of it as a pair of rollers on a common lift/pressure system.
  • the initial mangle roller is pressed against the upper roller (3) of the main mangle station (1) by a lift/pressure system to develop pressure in the leading mangle gap and to press the immersed roller against the initial mangle roller for a scraping force.
  • Document US 3441992 A relates to an apparatus for applying size solution to textile yarns and having a pair of main squeeze rolls cooperating with upper and lower squeeze rolls which are sandwiched between and maintained in pressure engagement with the main squeeze rolls to form yarn squeezing nips therewith.
  • Document US 4674437 discloses a size applicator having first and second spaced-apart squeeze rolls supported for rotation on a common horizontal axis and having their lower peripheral surface portions at least partially submerged in size solution contained in an open top pan.
  • the technical aim of the present invention is therefore to realize a machine which confers suitability to the weaving of a thin yarn or warp of natural, animal and/or vegetal and/or artificial and/or synthetic fibers which are pure or in a mixture of the same, by eliminating the technical drawbacks lamented in the known technique.
  • an aim of the invention is that to realize a machine which provides suitability for weaving a thin yarn and/or warp of natural, animal and/or vegetal and/or artificial and/or synthetic fibers at the pure state or in a mixture of the same, without changing its initial physical characteristics.
  • Another aim of the invention is that to realize a machine which provides suitability for weaving a thin yarn or warp of natural, animal and/or vegetal and/or artificial and/or synthetic fibers at the pure state or in a mixture of the same, by reinforcing in a uniform way the yarn or the warp.
  • Another aim of the invention is that to realize a machine which provides suitability for weaving a thin yarn or warp of natural, animal and/or vegetal and/or artificial and/or synthetic fibers at the pure state or in a mixture of the same, by adapting itself in a versatile way to yarns or warps and reinforcing products of a different type, in order to always guarantee optimal performances.
  • Not ultimate aim of the invention is that to realize a machine which provides suitability for weaving a thin yarn or warp of natural, animal and/or vegetal and/or artificial and/or synthetic fibers at the pure state or in a mixture of the same, which also results to be adaptable in a versatile way, according to the result to be obtained.
  • the technical scope, and also these and other aims, according to the present invention are reached by realizing a machine for providing suitability for weaving a thin yarn or warp of natural, animal and/or vegetal and/or artificial and/or synthetic fibers at the pure state or in a mixture of the according to claim 1.
  • the aim of the invention is achieved by the use of chitin and/or chitosan according to claim 7.
  • the machine makes a process for the yarn or warp in such a way to reinforce it, to increase its cohesion among the fibers, by rendering its external surface smoother and by avoiding tangles and by lubricating it in order to reduce its friction during the weaving.
  • the regulation of the position at least of the impregnating cylinders can advantageously be both individual and collective.
  • At least the impregnating cylinders are supported with a possible oscillation around a common axis and they are individually supported with a possible translation in the radial direction, with respect to said axis.
  • the rotation speed of at least each impregnating cylinder can be individually regulated.
  • the machine 1 comprises in sequence a beam 2 for discharging the warp 3, a sizing station 4 comprising an impregnating section 5 and a following squeezing section 6 of the warp 3, a waxing station 7 of the warp 3, a drying station 8 of the reinforcing product applied to the warp 3 in the sizing station 4, and a beam 9 for charging the warp 3 that is ready for weaving.
  • the machine can obviously in a conceptive way process a yarn instead of a warp, and in such a case it will be necessary to adapt the size of the organs.
  • the machine 1 provides return rolls 10 among adjacent stations, between the discharging beam 2 and the sizing station 4, between the drying station 8 and the charging beam 9.
  • the impregnating section 5 comprises cylinders 11, 12 for impregnating the warp with a reinforcing product 13, able to provide to the warp the mechanical properties which make it suitable for weaving, and the squeezing section 6 comprises squeezing cylinders 12, 14 of the impregnated warp 3, for eliminating the excess quantity of the reinforcing product 13.
  • the cylinder 12 is shared with the impregnating section 5 and the squeezing section 6 and it acts both as impregnating cylinder in cooperation with the impregnating cylinder 11, and as squeezing cylinder in cooperation with the squeezing cylinder 14.
  • the sizing station 4 therefore comprises at the end in the preferred solution three single cylinders 11, 12, 14 of which the first cylinder 11 for impregnating the warp 3, the second cylinder 12 both for impregnating and squeezing the warp 3 and the third cylinder 14 for squeezing the warp 3.
  • the sizing station 4 also has regulating means of the position of the axis at least of the impregnating cylinders 11, 12 and preferably also of the squeezing cylinders 12, 14.
  • the regulating means comprise a support frame 15, which is common to at least the impregnating cylinders 11, 12 and in particular also for the squeezing cylinders 12, 14.
  • the frame 15 has an axis 16, parallel and distanced from the axis 17 of the impregnating cylinder 11, from the axis 18 of the impregnating and squeezing cylinder 12 and from the axis 19 of the squeezing cylinder 14, such that the impregnating cylinders 11, 12 and the squeezing cylinders 12, 14 by means of the oscillation of the frame 15 around the axis 16 can be subjected to a flushing movement along an arched trajectory.
  • the regulating means also comprise at least for each impregnating cylinder 11, 12 and in particular also for each squeezing cylinder 12, 14 an independent device 20, 21, 22 for its translation in the radial direction with respect to the axis 16 of the frame 15 (the translation direction of the cylinders 11, 12, 14 is indicated in the figure by a corresponding bi-directional arrow.
  • the impregnating cylinders 11, 12 are opposed in such a way to delimit a recess 23 for the accumulation of the reinforcing product 13, which is supplied from suitable spraying nozzles 24.
  • the configuration of the recess 23 can be suitably modified by actuating the regulating means in such a way to regulate the level of impregnation also according to the application.
  • the angle ⁇ between the radius linking the axis 17 of the first cylinder 11 and the axis 16 of the frame 15 and the radius linking the axis 19 of the third cylinder 14 to the axis 16 of the frame 15 is equal to 90° and the axis 18 of the second cylinder 12 is positioned on the bisecting line of the angle ⁇ .
  • the frame 15 supports the second cylinder by impregnating and squeezing 12 substantially in tangential contact with the first cylinder 11 and the third cylinder for the squeezing 14 substantially with a tangential contact with the second cylinder 12.
  • Such a configuration is naturally modifiable by actuating in a selective translation of at least one of the cylinders 11, 12, 14.
  • each impregnating cylinder 11, 12 and in particular also each squeezing cylinder 12, 14 has an independent engine for a rotary actuation.
  • the independent regulation of the rotary speed of the cylinders 11, 12, 14 permits to optimize both the stresses on the warp 3 and the level of impregnation and squeeze.
  • the drying station 8 comprises drying means for drying the reinforcing product applied to the warp 3, for example a plurality of cylinders 25, coated in a non sticking material, and heated by an internal circulation of a flow of steam, which guarantee a rapid and uniform drying, eventually, as shown, in cooperation with a room 26 in which hot air at constant temperature has been circulated.
  • it is provided to control the rotation of the heating cylinders 25 with peripheral speeds which can be singularly regulated in order to subject the warp 3 to stresses permitting to keep parallel their wires.
  • the reinforcing product used in the sizing station 4 can be of various kind, for example PVA (polyvynil acid).
  • Reinforcing products 3 particularly suitable are acethyl-glucosammine chitine (C8H13N05)n and/or chitosan, which are materials of animal origin, derived from the processing of crustaceans.
  • Such materials are widely available at a low cost, they are non toxic, bio-compatible and completely biodegradable.
  • the chitosan is soluble in diluted acid solutions, for example in acetic acid and is adapted to form a web by means of ultraviolet rays.
  • the polymer of the chitosan also in low concentrations provides the warp 3 with the required washing and adhesion properties and it can be eliminated by hot washing, producing return flows easily biodegradable, with a consistent advantage in terms of ambience impact with respect to the use of PVA.
  • the drying means can also comprise infrared devices, ultraviolet devices, radio-frequence devices, which make easier the sizing of the web component of the reinforcing product 13.
  • a system with double tangential waxing comprising at least a first waxing cylinder 27 partially soaked in a first waxing bath 28, at least a second waxing cylinder 29, partially soaked in a second waxing bath 30, which can be equal or different from the first waxing bath 28 and at least one return cylinder 31, having a parallel axis with respect to the cylinders 27 and 29 between which it is interposed.
  • the waxing cylinders 27, 29 are rotary actuated in order to catch the lubricant solution from the waxing baths 28, 30 and to deposit it by contact on the warp wires 2.
  • the return cylinder 31 is advantageously supported in an orthogonal way and in translation with respect its own axis 32, for regulating the tangential waxing angles ⁇ 1, ⁇ 2 which generate on the first waxing cylinder 27 and on the second waxing cylinder 29.
  • the regulation of the position of the return cylinder 31 permits in particular to modify the friction pressure on the warp 3 and therefore the waxing level on the two sides A and B of the warp 3, by changing it at ease.
  • the machine 1 processes the warp 3 in the following way.
  • the warp 3 is unrolled from the discharging beam 2 and in sequence it passes through the opposed cylinders 11, 12 for the impregnation with the reinforcing product 13, between the opposed cylinders 12, 14 for squeezing the reinforcing product 13 in excess on the cylinder 27 for waxing one of its side, on the cylinder 29 for waxing its other side, through the drying station 8 and finally it is rolled on the charging beam 9.
  • the reinforcing product 13 is PVA-based
  • a starting bath with water is prepared, to which acetic acid is added, to bring pH between 4 and 5.
  • the bath relationship (the relationship between the weight of the fabric and the quantity of the solution) is fixed at 1:5.
  • the bath is heated up to a temperature comprised between 40°C and 70°C.
  • the fabric is treated for a treatment time of 45 minutes and then it is rinsed for 15 minutes with water, at a temperature comprised between 45°C and 55°C.
  • the following steps are performed: the drying, the dyeing of patch of fabric and the chemical, physical, mechanical or combined finishing in function of the desired effect.
  • the used materials, and also their size can be of any kind, according to the needs and the state of the art.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Textile Engineering (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Claims (7)

  1. Une machine (1) pour fournir l'aptitude au tissage à un fil ou une chaîne mince (3) de fibres naturelles, animales et/ou végétales et/ou artificielles et/ou synthétiques dans un état pur ou dans un mélange de celles-ci, comprenant des premier et deuxième cylindres d'imprégnation (11, 12) du fil ou de la chaîne (3), avec un produit de renforcement (13) capable de fournir au fil ou à la chaîne (3) des propriétés mécaniques qui les rendent appropriés pour le tissage, des cylindres exprimeurs (12, 14) du fil imprégné ou de la chaîne imprégnée (3) pour éliminer la quantité en excès dudit produit de renforcement (13), des moyens de séchage pour sécher le produit de renforcement (13), appliqué au fil ou à la chaîne (3), et des moyens de réglage de la position de l'axe (17, 18) d'au moins les cylindres d'imprégnation (11, 12), dans laquelle :
    - lesdits moyens de réglage comprennent au moins un châssis oscillant de support (15), qui est commun au moins pour lesdits cylindres d'imprégnation (11, 12), ledit châssis (15) ayant un axe (16) parallèle et écarté de l'axe (17, 18) desdits cylindres d'imprégnation (11, 12) de manière qu'au moins lesdits cylindres d'imprégnation (11, 12), par l'action dudit châssis oscillant (15), puissent être soumis à un mouvement d'effleurement suivant une trajectoire arquée ;
    - lesdits moyens de réglage comprennent pour chaque cylindre d'imprégnation (11, 12) un dispositif indépendant (20, 21) pour sa translation dans une direction radiale par rapport audit axe (16) du châssis (15) ;
    - lesdits premier et 'deuxième cylindre d'imprégnation (11, 12) sont opposés de manière à délimiter un creux (23) pour l'accumulation du produit de renforcement (13), délivré par des buses de pulvérisation (24) appropriées ;
    - ledit deuxième cylindre (12) coopère avec un troisième cylindre (14), opposé pour exprimer ledit fil ou ladite chaîne (3), et
    - ledit deuxième cylindre (12) est sensiblement en contact tangentiel à la fois avec le premier (11) et le troisième (14) cylindre.
  2. Machine (1) pour fournir l'aptitude au tissage à un fil ou une chaîne mince de fibres selon la revendication 1, caractérisée en ce que ledit troisième cylindre (14) comprend également un dispositif (22) pour sa translation dans une direction radiale par rapport audit axe (16) du châssis (15).
  3. Machine (1) pour fournir l'aptitude au tissage à un fil ou une chaîne mince de fibres selon l'une quelconque des revendications 1 à 2, caractérisée en ce que l'angle (α) entre le rayon de liaison de l'axe (17) du premier cylindre (11) et de l'axe (16) du châssis (15) et le rayon de liaison de l'axe (19) du troisième cylindre (14) à l'axe (16) du châssis (15) est égal à 90° et l'axe (18) du deuxième cylindre (12) est positionné sur la bissectrice dudit angle (α).
  4. Machine (1) pour fournir l'aptitude au tissage à un fil ou une chaîne mince de fibres selon l'une quelconque des revendications 1 à 3, caractérisée en ce que chacun desdits premier, deuxième et troisième cylindres (11, 12, 14) comprend un moteur indépendant pour son entraînement en rotation.
  5. Machine (1) pour fournir l'aptitude au tissage à un fil ou une chaîne mince de fibres selon l'une quelconque des revendications précédentes, caractérisée en ce qu'elle comprend un système avec double paraffinage tangentiel, comprenant au moins un premier cylindre de paraffinage (27), trempant partiellement dans un premier bain de paraffinage (28), au moins un deuxième cylindre de paraffinage (29), trempant partiellement dans un deuxième bain de paraffinage (30) et au moins un cylindre de retour (31), interposé entre les premier et deuxième cylindres de paraffinage (27, 29), ledit cylindre de retour (31) étant déplaçable par translation dans une direction orthogonale par rapport à son axe (32) pour le réglage des angles de paraffinage tangentiel (β1, β2) qui se génèrent sur les premier et deuxième cylindres de paraffinage (27, 29).
  6. Machine (1) pour fournir l'aptitude au tissage à un fil ou une chaîne mince de fibres selon une quelconque revendication précédente, caractérisée en ce que lesdits moyens de séchage comprennent au moins un dispositif à infrarouge et/ou au moins un dispositif à rayons ultraviolets et/ou un dispositif à radiofréquence.
  7. Utilisation de chitine et/ou chitosan comme produit de renforcement (13) dans une machine (1) pour fournir l'aptitude au tissage à un fil ou une chaîne mince de fibres selon une quelconque revendication précédente.
EP20110425217 2011-08-05 2011-08-05 Machine pour fournir une adéquation pour le tissage d'un fil mince et/ou chaîne fabriqués par fibres animales et/ou végétales et/ou artificielles et/ou synthétiques à un état pur ou un mélange Active EP2554733B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20110425217 EP2554733B1 (fr) 2011-08-05 2011-08-05 Machine pour fournir une adéquation pour le tissage d'un fil mince et/ou chaîne fabriqués par fibres animales et/ou végétales et/ou artificielles et/ou synthétiques à un état pur ou un mélange

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20110425217 EP2554733B1 (fr) 2011-08-05 2011-08-05 Machine pour fournir une adéquation pour le tissage d'un fil mince et/ou chaîne fabriqués par fibres animales et/ou végétales et/ou artificielles et/ou synthétiques à un état pur ou un mélange

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EP2554733A1 EP2554733A1 (fr) 2013-02-06
EP2554733B1 true EP2554733B1 (fr) 2014-11-19

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20111901A1 (it) 2011-10-19 2013-04-20 Alfonso Saibene Procedimento per il conferimento di idoneita' alla tessitura ad un filato e/o ordito sottili
EP2986772B1 (fr) * 2013-04-18 2018-07-25 Canepa, Elisabetta Procédé pour fabriquer un fil adapté au tissage
ITMI20132090A1 (it) * 2013-12-13 2015-06-14 Canepa S P A Procedimento per la produzione di un filato con caratteristiche di idoneità alla tessitura e relativo procedimento di tessitura di tale filato
CN112928184B (zh) * 2021-01-26 2022-05-31 徐州中辉光伏科技有限公司 一种便于均匀接触溶液的硅片制绒装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB502444A (en) * 1938-04-21 1939-03-17 Joseph Cornet Improvements in or relating to the sizing of yarn
US3512232A (en) * 1966-11-23 1970-05-19 Deering Milliken Res Corp Process for preparing twistless yarns
US3441992A (en) * 1968-01-16 1969-05-06 Ira L Griffin & Sons Inc Size applicator having auxiliary squeeze rolls
FR2312579A1 (fr) * 1975-05-27 1976-12-24 Inst Textile De France Procede et installation de fabrication de meches ou files textiles aptes a etre utilises en bonneterie ou en tissage
US4674437A (en) * 1986-05-30 1987-06-23 Ira L. Griffin Sons, Inc. Size applicator
DE19522830A1 (de) * 1995-06-23 1997-01-02 Sucker Mueller Hacoba Gmbh Vorrichtung zum Beschlichten einer bahnförmig geführten Fadenschar
GB9903842D0 (en) * 1999-02-20 1999-04-14 Arcasorb Technolgy Limited Substrates and substrate treatment process
US20030134120A1 (en) * 2001-12-24 2003-07-17 Ibeks Technologies Co., Ltd. Natural fiber coated with chitosan and a method for producing the same
DE102005017376B4 (de) * 2004-04-17 2008-02-28 Pd Glasfaser Gmbh Brattendorf Schichtträgermaterial für Bitumenbahnen
ITMI20070467A1 (it) * 2007-03-09 2008-09-10 Jacopo Geraldini Processo per la produzione di un tessuti in

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