EP3850140B1 - Machine pour le traitement continu de tissu, en particulier pour la commande de la stabilité dimensionnelle - Google Patents

Machine pour le traitement continu de tissu, en particulier pour la commande de la stabilité dimensionnelle Download PDF

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Publication number
EP3850140B1
EP3850140B1 EP19780447.9A EP19780447A EP3850140B1 EP 3850140 B1 EP3850140 B1 EP 3850140B1 EP 19780447 A EP19780447 A EP 19780447A EP 3850140 B1 EP3850140 B1 EP 3850140B1
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EP
European Patent Office
Prior art keywords
fabric
machine
module
treatment
fact
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.)
Active
Application number
EP19780447.9A
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German (de)
English (en)
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EP3850140C0 (fr
EP3850140A1 (fr
Inventor
Luigi SALVADÈ
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Salvade Srl
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Salvade Srl
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Publication of EP3850140C0 publication Critical patent/EP3850140C0/fr
Publication of EP3850140B1 publication Critical patent/EP3850140B1/fr
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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
    • D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
    • D06B3/34—Driving arrangements of machines or apparatus
    • D06B3/36—Drive control
    • 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
    • D06B21/00—Successive treatments of textile materials by liquids, gases or vapours
    • 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
    • D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
    • F26B13/10—Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
    • F26B13/101—Supporting materials without tension, e.g. on or between foraminous belts
    • F26B13/104—Supporting materials without tension, e.g. on or between foraminous belts supported by fluid jets only; Fluid blowing arrangements for flotation dryers, e.g. coanda nozzles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
    • F26B13/10—Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
    • F26B13/107—Arrangements for guiding the feed end or trailing end of the materials, e.g. threading of webs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
    • F26B13/10—Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
    • F26B13/12—Controlling movement, tension or position of material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/22—Controlling the drying process in dependence on liquid content of solid materials or objects

Definitions

  • This invention regards a machine for the industrial processing of fabric, and more specifically for finishing treatments.
  • This system calls for the fabric to be inserted into a machine equipped with one or more slotted drums and be subjected to the mechanical action generated by the rotation of the drum, which alternatively rotates clockwise and counterclockwise.
  • the drums may be equipped with protruding wings to increase the agitation of the fabric and jets of hot air and steam for the drying of the fabric.
  • the drum system is therefore a discontinuous processing system that, although it has the advantage of guaranteeing a soft hand and puffs ups the fabric, has the disadvantage of being unproductive and costly, above all for those who must process significant volumes on a daily basis. Moreover, it can be confirmed that during the treatment the fabric is tangled and forms marked folds.
  • tumblers To improve the softness and the hand of the fabric, other machines called tumblers are used, which subject the fabric to a mechanical action of agitation and vibration that compacts the fibers, resulting therefore in a satisfactory shrinkage of the fabric.
  • Tumblers cause the fabric, whether wet or dry, to be moved at high speed using jets of air that sustain it and transport it cyclically between the extremes of a special duct.
  • the fabric may also be pushed, during its course inside the duct or at the end of it, against one or more protruding elements, preferably gridded. In this way the tumblers make it possible to grant the fabric a good dimensional stability, as well as softness and a fluffy hand.
  • the patent for industrial invention N.1374887 describes a tumbler in which the fabric to be treated is subjected to the action of vibration obtained with jets of hot hair produced by oscillating nozzles and the impact against gridded objects on which it is tossed at high speed in a duct for pneumatic transport.
  • US 4,922,567 discloses a machine for fabric treatment including a first imbibing module, second air drying module and a third module in form of a pneumatic tumbler drier.
  • WO 2013/171710 describes a treatment line for shrinking and increasing the volume of a fabric, and a method for treatment of a fabric.
  • US 5,309,613 describes a process and apparatus for improving the handle and surface of textile fabrics and knitted materials.
  • GB 2,158,472 describes a method and apparatus for the dry treatment of fabric.
  • the scope of this invention is that of creating a machine for the treatment of various types of fabric that, having guaranteed the conditions listed above, makes it possible to obtain, with a gradual and continuous process, an optimal dimensional stability of the fabric as well as a good hand.
  • the invention obtains this scope by means of a machine for the continuous treatment of fabric that comprises a first module for the soaking and relaxing of the fabric in water, a second module for the controlled drying of the fabric, to the point of reaching a set value of humidity, and a third module consisting of a tumbler to treat the fabric to the point of being completely dry, as described in Claim 1, which is here intended to be referred to herein.
  • the machine makes it possible, with a gradual and continuous process, to finalize all phases of the shrink treatment of the fabric, eliminating all the tensions that the fabric is subjected to during discontinuous processes.
  • the fabric inside the machine is moved by means of motorized cylinders synchronized by means of a control unit that calculates and corrects every variation of pulling by means of the feedback given by the fabric during its course through the treatment modules.
  • the solution proposed enables the appreciable improvement of the results that would be obtained with the treatment of the fabric in a traditional tumbler, as the predrying of the fabric, still in absence of pulling and with controlled residual humidity, makes it possible for the tumbler to function under optimal conditions.
  • the tumbling treatment of a fabric with a set degree of residual humidity makes it possible to respect, on one hand, the time necessary for the tumbler to provide the hand, and on the other not to add that level of inertia to the fabric in movement that would prevent it from reaching its primary objective, namely the near-total shrinkage of the fabric.
  • Fig. 1 is a schematic view of the longitudinal cross-section of a machine according to the invention.
  • the machine according to the invention is essentially made of a module 1 for the soaking of the fabric, a module 2 for the controlled and partial drying of the fabric, and by a tumbler 3, connected together and equipped with a feeding system for the continuous treatment of a fabric 20.
  • the feeding system designed to introduce the fabric 20 into the machine is preferably made up of an idle reel or cylinder 5 and a motorized reel or cylinder 25 that, cooperating with a system of stretching and tautening rollers 18, making it possible to pick up the fabric 20 from a transporting trolley 4, and convey it to the inside of module 1 of the machine in a wide and taut position.
  • the module for the soaking of the fabric 1 consists essentially of a tank 7 designed to contain the bath, equipped in a known way with ducts with intake and draining valves and a bath recirculation system, not illustrated in the figure.
  • a series of two or more spray nozzles 19 is arranged above the tank 7.
  • a slide 6, or equivalent means, is installed in proximity to the zone where the fabric 20 enters the tank 7, to facilitate the formation of uniform and regular small folds.
  • the tank 7 is equipped with a conveyor belt 8, of a mesh type, designed to prevent the folds formed in the fabric 20 from being immersed excessively in the bath.
  • the conveyor belt 8 is also configured in such a way as to favor a gradual extraction of the fabric from the tank 7.
  • a feeler pin 9 and a pair of pressing cylinders 10, 10' are installed, preferably with pressure that can be regulated.
  • the feed system consists of a motorized wheel or cylinder 26, that cooperates with the cylinder 10, which is also motorized, and a pair of opposing belts 11 and 11', to contain the small folds of the fabric 20.
  • the belt 11 can be equipped with a pin chain or replaced with a known type of pin chain.
  • Module 2 for the controlled and partial drying of the fabric consists of two opposing lines of ventilation boxes 12 and 12', connected to a heating and air supply unit, not illustrated in the figure.
  • the ventilation boxes that make up rows 12 and 12' are preferably arranged in offset positions along the course that the fabric follows inside the dryer 2.
  • a tumbler 3 of a known type, schematically indicated in the figure, is installed downstream from the dryer 2 to receive the fabric treated therein.
  • a probe 22 designed to detect the degree of humidity or the temperature of the fabric 20 exiting the dryer 2.
  • the probe 22 transmits the values detected to a machine control unit.
  • the tumbler 3 essentially comprises a duct 15 designed for the pneumatic transport of the fabric between two tanks 13 and 14, preferably equipped with a weighing system, which alternately collects the fabric incoming and outgoing from said duct 15. It is equipped in a known way with air supply ducts, in communication with a ventilation and supply unit not illustrated in the figure.
  • the duct 15 is of the type equipped, in proximity to the entrances, with two pairs of mobile shutters 27 and 28 that, when activated alternately,make it possible to move the fabric, without tensions, due only to the thrust provided by the air directed onto it from below upwards, as described in the patent for the utility model N.202017000051242.
  • the tumbler 3 can usefully be of the known type with movement of the air in pure thrust, with no impact on the grids, of the type with more marked air movement and consequential thrust of variable impact against the grids to obtain more intense hands, without in any case interfering with the shrinkage effect of the fabric, for example as described in the patent for industrial invention N. 1374887.
  • the tumbler 3 may in any case be of a different type but designed to treat the fabric, in absence of pulling, until totally dry.
  • the loading of the machine occurs, in a known way, by sewing the head of the fabric 20 to a drawing-in machine cloth that completes the course through modules 1, 2, and 3 of the machine, from the trolley 4 to the crosslapper device 23.
  • the fabric 20, arranged in folds in the trolley 4, is pickedup using the feed system consisting of cylinders 5, 25 and introduced in the soaking module 1 passing through the cylinders 18, where it is stretched and tautened for its entire length, including the selvage.
  • the fabric 20 After having intercepted the slide 6, which facilitates the formation of small folds in a uniform and regular fashion, the fabric 20 reaches a mesh belt 8 and is introduced into the bath in the tank 7.
  • the fabric 20 will then be sprinkled and accompanied by the mesh belt 8 until it reaches the synchronism device or feeler pin 9.
  • the machine allows the folds of the fabric 20 to float on the water or simply be transported by the belt 8 and wet exclusively by a series of spray nozzles 19 arranged above it.
  • the machine advantageously uses the mesh conveyor belt 8 to prevent the folds in the fabric 20 from being excessively immersed in the water and to be able to arrange them evenly.
  • Another purpose of the belt 8 is to accompany the folds during the floating phase to be able to then gradually remove them from the water and bring them into contact with the synchronism device 9.
  • the feeler pin 9 makes it possible to synchronize the speed of the belt 8 with the pressing cylinders 10, 10' and, still in perfect synchronism, arrange the fabric onto the conveyor belt 11 of the dryer 2, overfeeding it by a percentage set by the operator.
  • the conveyor belts 11, 11' accompany the fabric in a loose fashion, so with no tension whatsoever, to the rocker 13 of the tumbler 3.
  • the probe 22 may be of the type designed to directly detect the degree of residual humidity of the fabric exiting module 2, but preferably, for greater precision due to the limits of measurement of the humidity detectors, the probe 22 is of the type designed to detect the temperature at which the fabric exits module 2.
  • the value detected by the probe 22 is sent to the control unit that, based on the fabric to be treated and the results required, verifies if this value corresponds to an ideal and set value that makes it possible to optimize the function of the tumbler 3.
  • the change from one basin to the other is determined according to the values detected by the weighing devices connected to the basins 13 and 14, but the machine may also provide other types of sensors, for example loading cells.
  • the speed of the fabric can be regulated by varying the air flow inside the duct 15, according to algorithms known by the sector technician, based on the weight of the fabric, the type of fabric to be treated, and the results required.
  • the fabric 20 transported by the belt 24, is arranged in folds in a trolley 17.
  • the control unit not illustrated in the figure, equipped with a command interface, therefore allows the setting of the machine operating parameters and the processing of the data detected by the sensors installed inside the machine and makes the suitable corrective interventions.
  • the time and temperatures of the treatment are set, based on a sample, to obtain the value of residual humidity that enables the tumbler 3 to perform under optimal conditions and obtain the best results.
  • the machine makes use of a probe 22 that detects the temperature of the fabric and not the humidity
  • the weighing of the test sample of the fabric is performed to determine the relationship between the temperature and the residual humidity of the fabric.
  • control device based on the values detected by the probe 22, may therefore vary the speed of advancement of the fabric passing inside modules 1 and 2, commanding the fabric feed system for the purpose of increasing or reducing the treatment times of the fabric in the dryer 2 and, as a consequence, relaxation in the tank 7.
  • the movement of the belt and/or chain 11 is governed by the control unit that synchronizes the speed with the rotation of the pressing cylinders 10 so that the fabric 20 is arranged on the belt and/or chain 11 loosely, overfed at a percentage set by the operator.
  • the machine therefore makes it possible to obtain a shrinkage of the treated fabric and a dimensional stability very near zero, both in width (weft) and in length (warp, as the fabric can be treated gradually, by humidity treatment and without being subject to any tension, with pre-set and controllable values of the drying times and processing temperatures.

Claims (13)

  1. Machine de traitement continu d'un tissu (20) comprenant :
    - un premier module (1) d'imprégnation et de relâchement dudit tissu (20) agencé en petits plis, équipé d'une cuve (7) pour contenir le bain ;
    - un deuxième module (2) de séchage commandé dudit tissu (20) agencé en petits plis, équipé d'un moyen de ventilation (12, 12') et d'une sonde (22) pour détecter la valeur d'humidité résiduelle et/ou de température du tissu sortant dudit module (2) ;
    - un troisième module (3) comprenant un tube (15) équipé d'un moyen de transport pneumatique dudit tissu (20) entre les ouvertures dudit tube (15) jusqu'au séchage du tissu ;
    - un système d'entraînement dudit tissu (20) entre lesdits premier (1), deuxième (2) et troisième (3) modules capable de suralimenter le tissu dans lesdits premier (1) et deuxième (2) modules pour l'agencer et le déplacer en petits plis ;
    - un moyen de commande et de régulation de la vitesse dudit système d'entraînement prévu pour faire varier la vitesse d'avancement du tissu (20) à l'intérieur desdits premier (1) et deuxième (2) modules sur la base des valeurs détectées par ladite sonde (22).
  2. Machine de traitement d'un tissu (20) selon la revendication précédente, caractérisée par le fait que ledit système d'entraînement de tissu (20) consiste en au moins une paire d'enrouleurs ou de cylindres motorisés (25, 26), agencés respectivement au niveau des entrées desdits premier (1) et deuxième (2) modules, et au moins deux bandes transporteuses (8, 11) capables de déplacer le tissu en petits plis dans les premier (2) et deuxième (2) modules respectifs.
  3. Machine d'entraînement de tissu (20) selon la revendication 2, caractérisée par le fait qu'à proximité de la zone de prélèvement de tissu (20) dans la cuve (7) dudit premier module (1),
    se trouve une paire de cylindres de pressage (10, 10') à pression réglable.
  4. Machine de traitement d'un tissu (20) selon la revendication 3, caractérisée par le fait que ledit moyen de commande et de régulation de la vitesse dudit système d'entraînement comprend un palpeur (9) capable de synchroniser la vitesse de la bande transporteuse (8) dudit premier module (1) avec les cylindres de pressage (10, 10') et d'agencer le tissu (20) sur la bande transporteuse (11) du deuxième module (2) en le suralimentant à un pourcentage défini par l'opérateur.
  5. Machine de traitement d'un tissu (20) selon l'une des revendications 2 à 4, caractérisée par le fait que la bande transporteuse (8) du premier module (1) est d'un type à mailles et configurée pour contenir le tissu (20) et favoriser une extraction progressive de la cuve (7).
  6. Machine de traitement d'un tissu (20) selon l'une des revendications 2 à 5, caractérisée par le fait que ledit deuxième module (2) est équipé d'une autre bande transporteuse (11') opposée à la bande transporteuse (11) du deuxième module (2) pour la rétention des plis de tissu (20).
  7. Machine de traitement d'un tissu (20) selon l'une des revendications 2 à 6, caractérisée par le fait que la bande transporteuse (11) du deuxième module (2) est équipée d'une chaîne à rouleaux.
  8. Machine de traitement d'un tissu (20) selon l'une des revendications précédentes, caractérisée par le fait que la cuve (7) est équipée de deux buses de pulvérisation (19) ou plus agencées au-dessus de celle-ci.
  9. Machine de traitement d'un tissu (20) selon l'une des revendications précédentes, caractérisée par le fait que ledit premier module (1) est équipé d'une glissière (6) capable de faciliter la formation de petits plis dans le tissu entrant dans ladite cuve (7).
  10. Machine de traitement d'un tissu (20) selon l'une des revendications précédentes, caractérisée par le fait qu'un système de rouleaux élargisseurs et tendeurs (18) et une paire de cellules photoélectriques (21) pour la commande d'alignement du tissu (20) sont installés au niveau de l'entrée dudit premier module (1).
  11. Machine de traitement de tissu (20) selon l'une des revendications précédentes, caractérisée par le fait que ledit troisième module (3) consiste en un type connu de culbuteur dans lequel le tube (15) présente une forme de U inversé et est équipé, à proximité de l'ouverture, de deux paires de volets mobiles (27, 28) capables de déplacer le tissu (20) par le seul effet de la force de l'air dirigé sur celui-ci du bas vers le haut.
  12. Machine de traitement de tissu (20) selon l'une des revendications 1 à 10, caractérisée par le fait que ledit troisième module (3) consiste en un culbuteur capable de traiter le tissu, en l'absence de traction, dans ledit tube pour le transport pneumatique (15), en le soumettant à l'action d'un souffle d'air chaud et à l'impact contre des obstacles sur lesquels il est lancé à grande vitesse.
  13. Machine de traitement d'un tissu (20) selon l'une des revendications précédentes, caractérisée par le fait qu'une unité de commande, équipée d'une interface de commande, permet de définir les paramètres de fonctionnement de la machine et d'élaborer les données détectées par des capteurs pour adopter les interventions correctives les plus appropriées sur le système d'entraînement de tissu dans lesdits premier (1), deuxième (2) et troisième (3) modules et commander les températures de fonctionnement.
EP19780447.9A 2018-09-13 2019-09-11 Machine pour le traitement continu de tissu, en particulier pour la commande de la stabilité dimensionnelle Active EP3850140B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT201800008580 2018-09-13
PCT/IT2019/050201 WO2020053910A1 (fr) 2018-09-13 2019-09-11 Machine pour le traitement continu de tissu, en particulier pour la commande de la stabilité dimensionnelle

Publications (3)

Publication Number Publication Date
EP3850140A1 EP3850140A1 (fr) 2021-07-21
EP3850140C0 EP3850140C0 (fr) 2023-06-07
EP3850140B1 true EP3850140B1 (fr) 2023-06-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19780447.9A Active EP3850140B1 (fr) 2018-09-13 2019-09-11 Machine pour le traitement continu de tissu, en particulier pour la commande de la stabilité dimensionnelle

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EP (1) EP3850140B1 (fr)
KR (1) KR20210056360A (fr)
CN (1) CN112654740B (fr)
ES (1) ES2947448T3 (fr)
WO (1) WO2020053910A1 (fr)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES8503828A1 (es) * 1984-05-11 1985-04-01 Vinas Jaime Anglada Metodo para el tratamiento en seco de un tejido y aparato correspondiente para su realizacion
US4922567A (en) * 1989-06-28 1990-05-08 J. E. Morgan Knitting Mills, Inc. Treating fabrics
ES2085981T5 (es) * 1991-09-21 2002-03-01 Solipat Ag Procedimiento y dispositivo para mejorar el tacto y la superficie de tejidos textiles y generos de punto por urdimbre.
AUPO304296A0 (en) * 1996-10-17 1996-11-14 Commonwealth Scientific And Industrial Research Organisation Continuous decatising process and apparatus
IT1305000B1 (it) * 1998-09-17 2001-04-05 Flainox Srl Procedimento e macchina per il finissaggio di tessuto.
ITFI20010125A1 (it) * 2001-07-06 2003-01-06 Biancalani S P A Macchina per asciugare e trattare tessuti in continuo con cesto ruotante e condotti di trasferimento del tessuto
ITFI20010168A1 (it) * 2001-09-12 2003-03-12 Coramtex Srl Macchina e metodo per il trattamento in continuo di un tessuto
IT1392227B1 (it) * 2008-12-03 2012-02-22 Biancalani S P A Macchina e metodo per il trattamento combinato meccanico e termico di tessuti
ITFI20120096A1 (it) * 2012-05-18 2013-11-19 Coramtex Srl "linea di trattamento per far rientrare e voluminizzare un tessuto e relativo metodo di trattamento di un tessuto"
CN105442232A (zh) * 2016-01-22 2016-03-30 泉州晨鑫自动化科技有限公司 一种针织物烘干热定型一步加工方法

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Publication number Publication date
CN112654740B (zh) 2023-08-25
CN112654740A (zh) 2021-04-13
WO2020053910A1 (fr) 2020-03-19
ES2947448T3 (es) 2023-08-09
EP3850140C0 (fr) 2023-06-07
KR20210056360A (ko) 2021-05-18
EP3850140A1 (fr) 2021-07-21

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