US3751224A - Method and apparatus for a continuous fluid treatment of fibrous materials - Google Patents

Method and apparatus for a continuous fluid treatment of fibrous materials Download PDF

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Publication number
US3751224A
US3751224A US00210031A US3751224DA US3751224A US 3751224 A US3751224 A US 3751224A US 00210031 A US00210031 A US 00210031A US 3751224D A US3751224D A US 3751224DA US 3751224 A US3751224 A US 3751224A
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rolls
set forth
chamber
fibrous material
flow
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US00210031A
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English (en)
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P Wackerle
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Airbus Defence and Space GmbH
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Messerschmitt Bolkow Blohm AG
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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
    • D06B3/04—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of yarns, threads or filaments

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  • ABSTRACT Y which the fluid medium flows under pressure in a vortical pattern. Due to the vortical flow, the fluid medium flows in counterflow relationship to the fibrous material for at least a part of its path of travel through the chamber. Further, at the same time it passes in counterflow relationship, the fluid medium also flows transversely into the fibrous material.
  • the chamber can be defined laterally by two pairs of vertically extending rotating rolls.
  • the rolls in one pair are spaced apart and form an inlet gap through which the fibrous material passes into the chamber, while at least one of the rolls in th ,othsrwaaianhasca ireumferem elly extend n groove through which the material exists from the chamber.
  • the rolls in each pair rotate in opposite directions to one another in developing the vortical flow of the fluid medium.
  • the present invention is directed to a method of an apparatus for continuously treating fibrous materials withafluid medium and, more particularly,.itconcerns the formation of a vortical flow in the fluid gmedium treated through impregnating agents, such as oils, wa-
  • Such liquid .or flu d treatment of fibrous materials has been carried out in a liquid :bath .or by .a spraying operation.
  • the wetting .action on the fibrous materials is incomplete or irregular.
  • Wh th fibro ma rials are passed through a bath, the wwetting action is improved, however, it is less effective within the interior of the fibrous material, such as in a bundle of threads or fibers, and, in addition, air contained within the bundle'isdifficultto displace.
  • the treatment affords a uniform wetting action of all of the fibrous material while maintaining the air bubble content of the material at a low level.
  • Another object of the invention is to conduct the fibrous materials through the treatment chamber at a higher velocity than has been possible in the past, for
  • Still another object of the invention is to provide a treatment which is suitable for any fibrous material irrespective of the impregnating properties of the material.
  • This treatment is equally applicable to vegetable and animal fibers as well as to fibers of a chemical or mineral origin.
  • Another object of the invention is to afford an apparatus for carrying out the treatment which is simple in design and compact in arrangement.
  • the fibrous material is passed through a chamber where it is treated with a fluid medium flowing, at least in part, in counterflow relationship with the fibrous material and, at the same time, flowing transversely into the fibrous material.
  • the pressurized flow of the fluid medium' can be provided by imparting a vortical flow to the fluid medium, such as by providing surfaces bounding the fluid medium within the chamber so. that the surfaces contribute to the vortical flow.
  • two pairs of rotating rolls can be arranged with their axes extending in parallel relationship to one another and transversely of the path of travel of the fibrous material so that the rotation of the rolls develops vortices within thefluid medium.
  • the chamber containing the fluid can be-provided with surfaces which develop a single vortex inthe-fluid medium with the vortex arranged to ,provide the counter-and transverse flow of the fluid medium relative to the fibrous material.
  • the vortical flow revolves in the direction opposite to :the direction of movement of the fibrous material-along its path of travel.
  • the fibrous' mate- .rial formed of filamentary elements is firstfanned out as the fluid medium .passes in the direction of movement .of the fibrous material followed by the vortical flow which directs "the fluid medium in counter-and transverse flow through the material and then as the fi- .brous material continues along its path of flow within the chamber it is returned to its original form. Due to the high pressure .in the boundary region of the vortical flows, the fluid medium passes through the fibrous material in a transverse direction.
  • the content of air bubbles within the maerial will be kept at a low level and, because of the intensive flow of the fluid medium,.it is possible to conduct the fibrous material through the treatment chambet. at high velocities.
  • Another advantage of the resent invention is the provision of the fluid medium in a columnar form through which the fibrous materials can pass without deflection.
  • This form of wet treatment of the fibrous'materials is effective regardless of the form in which the materials, whether filamentary or band-shaped, are provided. Further, the treatment is equally suitable for cleaning and for impregnating fibrous materials.
  • two pairs of rolls are provided,positioned within a container,and arranged to define a chamber between their surfaces.
  • the rolls are arranged in lateral relationship with their axes disposed in parallel relationship and, further, one pair of the rolls are spaced apart for defining an inlet gap into the chamber within the rolls in which the vortical flow of the fluid'medium takes place.
  • the pairs of rolls are positioned within a container or tank which holds the fluid medium asthe rolls are rotated, with the rolls in each pair rotating in opposite directions so that they rotate in the direction of passage ofv the fibrous material through the chamber formed within the rolls, the liquid within the tank is lifted upwardly and directed through the gap between the upstream pair of rolls and, within the chamber between the rolls, two vortices are formed each rotating in opposite directions on the opposite sides of the fibrous material passing therethrough.
  • the chamber formed between the rolls can also have upper and lower horizontal boundary surfaces. In such a case the vortices within the chamber form a liquid column of high pressure, depending on the viscosity of'the fluid medium, and also on the feeding action of the rolls.
  • the fluid medium due to its vortical action, is directed back through the-fibrous material toward the inlet gap in the boundary space between the two vortices. After its countercurrent flow through the fibrous material toward the inlet gap the action of the-rotating rolls again defects the fluid-medium'into the vortical path.
  • the downstream pair of rolls defining the chamber afford only a narrow outlet gap for the material with the extent of the gap dependent on the form of the fibrous materials are in a filamentary form as they being treated.
  • the outlet gap can be eliminated and in its place at least one of the rolls can be formed with a circumferentially extending groove through which the fibrous materials can pass.
  • the downstream pair of rolls can rotate in contact with one another at their peripheries so that the excessive outflow of the fluid medium from the chamber is prevented.
  • FIG. 1 is a perspective view of one embodiment of the presentinvention showing the path of travel of the fibrous material
  • FIG. 2 is an enlarged partial top view of the arrangement shown in FIG. 1 in which the rolls are shown defining a vortex chamber;
  • FIG. 3 is a top view of a pair of the rolls, such as shown in FIGS. 1 and 2, with a tank, shown in section, adjacent the outlet from the rolls.
  • FIG. 1 a tank 4 is shown partly filled with a liquid 3, for simplicitys sake, only the lower portion of the tank is represented.
  • a first pair of vertically extending rolls 1,1 and a second pair of vertically extending rolls 2,2 are arranged to rotate about their vertical axes which are all disposed in parallel relationship.
  • the upper part of the tank,which is not shown, forms a lid and at the same time serves as a cover for a chamber 5 defined by the inwardly facing surfaces of the two pairs of rolls. Accordingly, both pairs of rolls 1,1 and 2,2 extend upwardly to the surface of the lid and packing material, for example, O-rings, are arranged between the ends of the rolls and the lid.
  • the rolls 1,1 and 2,2 can be connected at their upper ends with shafts extending through the lid and at their lower ends the rolls can be supported by so-called stop balls.
  • the shafts provided through the top of the tank afford the rotational movement-of the rolls 1,1 and 2,2.
  • the rolls 1,1 in the first pair are spaced laterally from one another forming an inlet gap 6 into the chamber 5 defined by'the oppositely disposed surfaces of the rolls which face inwardly toward the bundle 7 of fibrous material.
  • the rolls 1,1 are positioned 'very closely from the corresponding rolls 2,2 and the rolls 2,2, defining the outlet from the chamber- ,are in contact with one anotherfor limitingthe outflow from the chamber.
  • a circumferentially extending groove extending radially inwardly from the surface of at least oneof the rolls -2 formsian outlet passage through which the bundle of. fibrous material 7 exits from the chambenS.
  • the form or shape of the outlet provided by the groove 8 is adapted to the cross sectional configuration of the bundle or other shape of fibrous material passing through the chamber.
  • several such outlet passages can be provided from the chamber.
  • the rolls 1,1 in the first pair are spaced closely from the rolls 2,2 in the second pair so that they can rotate without friction, but the gap width iskept small to minimize any leakage which might affect the flow within the chamber 5.
  • FIG. 2 the pattern of flow within the chamber 5 is indicated, the fibrous material 7 is introduced into the chamber in the direction of the arrow 15 passing through the inlet gap 6 formed between the laterally spaced rolls 1,1.
  • each of the rolls is rotated, such as by the shafts which pass through the lid of the tank 4 which shafts are in connection with chain drives or the like.
  • rolls 1, 2 are rotated in the direction of the arrows 9 while on the opposite side of the fibrous material the rolls 1,2 are rotated in the direction of the arrows 10,10. It will be noted that therolls rotate in the direction of the path of travel of the fibrous material through the chamber 5 as indicated by the arrow 15.
  • the fluid medium within the tank is drawn through the inlet gap 6 into the chamber 5 and, in providing the desired flow characteristics,the rolls 1,] can be rotated faster than the rolls 2,2 located downstream from them in the direction of travel of the fibrous material. Due to the action of the rolls, the liquid level in the range of the rolls 1,1 and 2,2 located outside the chamber 5 is lifted in a form corresponding to that shown by the line 11 in FIG. 1. As a result, the level of the fluid medium, that is the liquid within the tank, is higher adjacent therolls than at the inner walls of the tank, as mentioned above. In FIG. 1 only the lower portion of the tank is shown.
  • a liquid column 12 of increased pressure is formed in the chamber 5, that is within the space defined by the inwardly facing surfaces of the four rolls, and within the chamber the flow or current generated within the fluid medium follows the course substantially indicated by the arrows 13, note FIG. 2.
  • two vortices 14, each on an opposite side of the fibrous material 7 is formed within the chamber 5 each rotating oppositely about its core axis relative to the other.
  • the current or flow is directed in countercurrent flow relationship to the direction of travel of the fibrous material.
  • the fibrous material passes through the inlet gap 6, out of contact with the rolls 1,1
  • the bundie of fibrous material Due to the action of the fluid medium within the chamber 5, the bundie of fibrous material is fanned out as it passes through the inlet gap 6 and the fluid medium flows in the longitudinal direction through the bundle until it is again deflected by the rotation of the rolls which generate the vortical action. Due to the vortical flow of the fluid medium in both of the vortices l4 and because of the pres sure generated within the fluid medium, there is a transverse flow into the bundle of fibrous material 7 which is in its fanned-out form as it passes through the boundary regions of the vortices 14. With the intensive flow of the medium through the fibrous material it is practically impossible for any air to remain within the material.
  • the materials can be passed through the chamber or impregnation zone between the rolls 1,1 and 2,2 at a relatively high speed and it will still be possible to effect the impregna-tion in a uniform manner.
  • Another characteristic advantage of the invention is the ability to carry out the treatment of the fibrousmaterials, particularly sensitive fibrous materials, without the use of deflection guides. This feature is of special importance in treating graphite fibers which are usually impregnated with a synthetic resin before they are processed further, for example, for the production of fiber-reinforced plastics.
  • this fiber treatment operation for washing substances from the fibrous material which already exist in solution within the material, for example, non-fixed dyes and the like,or for rinsing out loose particles, such as impurities.
  • the vortical flow can also be effected by the configuration of the surfaces enclosing the treatment chamber.
  • Such surfaces can be provided as parts of rotating circular cylindrical rolls or parts of other axially symmetrical bodies, for example, bodies having the form of double cones, truncated cones, and the like.
  • the vortices are formed in chambers which are open along one side, the treating vortex can be bounded by another vortex in the range of the open side or, alternatively, by a rotating roll, a plane surface and the like.
  • the fibrous materials would be directed through the boundary regions of the vortex or vortices.
  • Another mannerof producing the vortical flow can be provided by directing the flow of the fluid medium so that it contacts the vortex in a tangential manner.
  • a pressurized flow which can be variable.
  • the present invention is not limited to the specific apparatus illustrated in FIGS. 1 and 2,'however, such apparatus has been found to be particularly appropriate in carrying out this type of wet treatment.
  • a degasification tank 16 is arranged downstream of the rolls 2,2 and a vacuum or underpressure is produced within the tank. Accordingly, the contact surfaces between the rolls 2,2 and the tank wall would be sealed by packing material, such as O-rings. As the fibrous material 7 passes through the tank 16 any air bubbles contained within the material are removed.
  • Liquid entering the tank from the treatment chamber 5 due to the vacuum within the tank can be eliminated by means of a vacuum line, not shown.
  • the outlet from the degasification tank is designed as a drawing nozzle.
  • two oppositely rotating rolls provided with soft surfaces which provide a sealing effect, because of the vacuum, could be used and a calibratin effect afforded for the liquid content of the fibrous material 7.
  • additional heat treatment of the fibrous material along its length would also be possible.
  • Method for continuously treating moving fibrous material with a fluid medium comprising moving the material through a treatment chamber along a path of travel, directing the fluid medium under pressure in contact with the moving fibrous material along its path of travel so that for at least a portion of the length of contact between the fluid medium and the fibrous material the fluid medium flows in counterflow relationship with the fibrous material and at the same time flows transversely of the direction of the path of travel into the fibrous material.
  • Method as set forth in claim 1, characterized therein by initially directing the flow of the liquid medium in parallel flow relationship with and in the same direction as the path of travel of the fibrous material prior to effecting the counterflow relationship.
  • Method as set forth in claim 4, characterized therein by providing two vortical flows of the fluid medium with the core axes of the two vortical flows disposed in laterally spaced parallel relationship lo each other and with the axes disposed transversely of the path of travel of the fibrous material, and arranging the two vortical flows relative to the fibrous material so that the fibrous material passes through the adjacent boundary regions of the two vortical flows.
  • Method as set forth in claim 4, characterized therein by providing a solid surface bounding the vorti cal flow and directing the fibrous material between the solid surface and the boundary region of the vortical flow.
  • Method as set forth in claim 8, characterized therein by inducing the vortical flow by directing a pressurized flow of the fluid medium tangentially to the boundary of the vortical flow.
  • Method as set forth in claim 4, characterized therein by inducing the vortical flow by directing flow of the fluid medium over surfaces defining the boundaries of the vortical flow.
  • Method as set forth in claim 1, characterized therein by effecting a cleaning action of the fibrous materials within the treatment chamber.
  • Apparatus for continuously treating fibrous materials with a fluid medium comprising means forming a chamber containing the fluid medium, said means including at least one axially extending rotatable member for imparting a vortical flow to the fluid medium within said chamber, and said means providing an inlet gap for introducing the fibrous material into said chamber for passage along a path of travel extending transversely of the axis of said rotatable member.
  • Apparatus as set forth in claim 16, wherein said means forming said chamber comprises a first pair and a second pair of vertically arranged rolls 'with the rolls in each said pair being disposed laterally relative to one another, the axes of said first and second pairs disposed in parallel relationship, said second pair of rolls spaced in the downstream direction of the path of travel of the fibrous material from said first pair of rolls, and in said first and said second pairs of rolls each said roller is arranged to rotate in the opposite direction relative to the other said roll in said pair.
  • said means further comprises horizontal wall members extending transversely of said first and second pairs of rolls at the opposite ends thereof.
  • Apparatus as set forth in claim 17, wherein at least one of said rolls of said second pair of rolls has a circumferentially extending groove formed radially inwardly into its circumferential peripheral surface for forming a passage between said second pair of rolls for the fibrous material exiting from said chamber.
  • a degasification tank is positioned downstream from said second pair of rolls and is located in the path of travel of the fibrous material after it leaves said chamber.
  • Apparatus as set forth in claim 17, wherein a drawing nozzle is positioned downstream relative to the path of travel of the fibrous material from said second pair of rolls.
US00210031A 1970-12-23 1971-12-20 Method and apparatus for a continuous fluid treatment of fibrous materials Expired - Lifetime US3751224A (en)

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DE19702063374 DE2063374B2 (de) 1970-12-23 1970-12-23 Vorrichtung zum kontinuierlichen behandeln von textilem fasergut o.dgl. mit einem fluessigen medium

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DE (1) DE2063374B2 (de)
FR (1) FR2119496A5 (de)
GB (1) GB1346329A (de)
IT (1) IT944239B (de)
ZA (1) ZA718284B (de)

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US3966406A (en) * 1973-09-05 1976-06-29 Teijin Limited Process for jet dyeing fibrous articles containing polyester-type synthetic fibers
US20050275148A1 (en) * 2004-06-15 2005-12-15 Curt G. Joa, Inc. Method and apparatus for securing stretchable film using vacuum
US20060265867A1 (en) * 2005-05-31 2006-11-30 Curt G. Joa, Inc. Use of ultrasonic horn to mechanically secure hooks to a smooth material web
US7452436B2 (en) 2005-03-09 2008-11-18 Curt G. Joa, Inc. Transverse tape application method and apparatus
US7533709B2 (en) 2005-05-31 2009-05-19 Curt G. Joa, Inc. High speed vacuum porting
US7618513B2 (en) 2005-05-31 2009-11-17 Curt G. Joa, Inc. Web stabilization on a slip and cut applicator
US7638014B2 (en) 2004-05-21 2009-12-29 Curt G. Joa, Inc. Method of producing a pants-type diaper
US7640962B2 (en) 2004-04-20 2010-01-05 Curt G. Joa, Inc. Multiple tape application method and apparatus
US7703599B2 (en) 2004-04-19 2010-04-27 Curt G. Joa, Inc. Method and apparatus for reversing direction of an article
US7708849B2 (en) 2004-04-20 2010-05-04 Curt G. Joa, Inc. Apparatus and method for cutting elastic strands between layers of carrier webs
US7770712B2 (en) 2006-02-17 2010-08-10 Curt G. Joa, Inc. Article transfer and placement apparatus with active puck
US7780052B2 (en) 2006-05-18 2010-08-24 Curt G. Joa, Inc. Trim removal system
US7811403B2 (en) 2005-03-09 2010-10-12 Curt G. Joa, Inc. Transverse tab application method and apparatus
US7861756B2 (en) 2004-04-20 2011-01-04 Curt G. Joa, Inc. Staggered cutting knife
US7975584B2 (en) 2007-02-21 2011-07-12 Curt G. Joa, Inc. Single transfer insert placement method and apparatus
US8007484B2 (en) 2005-04-01 2011-08-30 Curt G. Joa, Inc. Pants type product and method of making the same
US8016972B2 (en) 2007-05-09 2011-09-13 Curt G. Joa, Inc. Methods and apparatus for application of nested zero waste ear to traveling web
US8172977B2 (en) 2009-04-06 2012-05-08 Curt G. Joa, Inc. Methods and apparatus for application of nested zero waste ear to traveling web
US8182624B2 (en) 2008-03-12 2012-05-22 Curt G. Joa, Inc. Registered stretch laminate and methods for forming a registered stretch laminate
US8398793B2 (en) 2007-07-20 2013-03-19 Curt G. Joa, Inc. Apparatus and method for minimizing waste and improving quality and production in web processing operations
US8417374B2 (en) 2004-04-19 2013-04-09 Curt G. Joa, Inc. Method and apparatus for changing speed or direction of an article
US8460495B2 (en) 2009-12-30 2013-06-11 Curt G. Joa, Inc. Method for producing absorbent article with stretch film side panel and application of intermittent discrete components of an absorbent article
USD684613S1 (en) 2011-04-14 2013-06-18 Curt G. Joa, Inc. Sliding guard structure
US8656817B2 (en) 2011-03-09 2014-02-25 Curt G. Joa Multi-profile die cutting assembly
US8663411B2 (en) 2010-06-07 2014-03-04 Curt G. Joa, Inc. Apparatus and method for forming a pant-type diaper with refastenable side seams
US8673098B2 (en) 2009-10-28 2014-03-18 Curt G. Joa, Inc. Method and apparatus for stretching segmented stretchable film and application of the segmented film to a moving web
USD703248S1 (en) 2013-08-23 2014-04-22 Curt G. Joa, Inc. Ventilated vacuum commutation structure
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US8820380B2 (en) 2011-07-21 2014-09-02 Curt G. Joa, Inc. Differential speed shafted machines and uses therefor, including discontinuous and continuous side by side bonding
US9089453B2 (en) 2009-12-30 2015-07-28 Curt G. Joa, Inc. Method for producing absorbent article with stretch film side panel and application of intermittent discrete components of an absorbent article
US9283683B2 (en) 2013-07-24 2016-03-15 Curt G. Joa, Inc. Ventilated vacuum commutation structures
US9289329B1 (en) 2013-12-05 2016-03-22 Curt G. Joa, Inc. Method for producing pant type diapers
US9387131B2 (en) 2007-07-20 2016-07-12 Curt G. Joa, Inc. Apparatus and method for minimizing waste and improving quality and production in web processing operations by automated threading and re-threading of web materials
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US10456302B2 (en) 2006-05-18 2019-10-29 Curt G. Joa, Inc. Methods and apparatus for application of nested zero waste ear to traveling web
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US1737149A (en) * 1927-04-12 1929-11-26 Cohoe Processes Inc Machine for and method of dyeing cloth and otherwise treating textiles
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US3966406A (en) * 1973-09-05 1976-06-29 Teijin Limited Process for jet dyeing fibrous articles containing polyester-type synthetic fibers
US8417374B2 (en) 2004-04-19 2013-04-09 Curt G. Joa, Inc. Method and apparatus for changing speed or direction of an article
US7703599B2 (en) 2004-04-19 2010-04-27 Curt G. Joa, Inc. Method and apparatus for reversing direction of an article
US7640962B2 (en) 2004-04-20 2010-01-05 Curt G. Joa, Inc. Multiple tape application method and apparatus
US7708849B2 (en) 2004-04-20 2010-05-04 Curt G. Joa, Inc. Apparatus and method for cutting elastic strands between layers of carrier webs
US7861756B2 (en) 2004-04-20 2011-01-04 Curt G. Joa, Inc. Staggered cutting knife
US7638014B2 (en) 2004-05-21 2009-12-29 Curt G. Joa, Inc. Method of producing a pants-type diaper
US7909956B2 (en) 2004-05-21 2011-03-22 Curt G. Joa, Inc. Method of producing a pants-type diaper
US8557077B2 (en) 2004-05-21 2013-10-15 Curt G. Joa, Inc. Method of producing a pants-type diaper
US20050275148A1 (en) * 2004-06-15 2005-12-15 Curt G. Joa, Inc. Method and apparatus for securing stretchable film using vacuum
US7537215B2 (en) 2004-06-15 2009-05-26 Curt G. Joa, Inc. Method and apparatus for securing stretchable film using vacuum
US7452436B2 (en) 2005-03-09 2008-11-18 Curt G. Joa, Inc. Transverse tape application method and apparatus
US7811403B2 (en) 2005-03-09 2010-10-12 Curt G. Joa, Inc. Transverse tab application method and apparatus
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Also Published As

Publication number Publication date
FR2119496A5 (de) 1972-08-04
ZA718284B (en) 1972-09-27
DE2063374A1 (de) 1972-06-29
GB1346329A (en) 1974-02-06
IT944239B (it) 1973-04-20
DE2063374B2 (de) 1976-04-08

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