US3521998A - Method of and apparatus for treating fibrous materials - Google Patents

Method of and apparatus for treating fibrous materials Download PDF

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Publication number
US3521998A
US3521998A US716010A US3521998DA US3521998A US 3521998 A US3521998 A US 3521998A US 716010 A US716010 A US 716010A US 3521998D A US3521998D A US 3521998DA US 3521998 A US3521998 A US 3521998A
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United States
Prior art keywords
aerosol
fibrous material
fibers
layer
particles
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Expired - Lifetime
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US716010A
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English (en)
Inventor
Pavel Gruner
Jaroslav Janousek
Zdenek Jelinek
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Vyzkumny Ustav Zuslechtovaci
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Vyzkumny Ustav Zuslechtovaci
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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
    • D06B3/02—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fibres, slivers or rovings
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G29/00—Arrangements for lubricating fibres, e.g. in gill boxes
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M14/00—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
    • D06M23/06—Processes in which the treating agent is dispersed in a gas, e.g. aerosols
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/0004—General aspects of dyeing
    • D06P1/0016—Dye baths containing a dyeing agent in a special form such as for instance in melted or solid form, as a floating film or gel, spray or aerosol, or atomised dyes

Definitions

  • Additional fibrous material is continuously added at one end of the treating chamber, and a corresponding quantity of fibrous material is continuously withdrawn at the other end of the treating chamber so that new fibrous material added advances through the treating chamber from one to the other end thereof.
  • An aerosol is introduced into the treating chamber for passage through the fibrous material therewithin either in concurrent flow with the fibrous material, or in counterflow thereto. At the respectively opposite end of the treating chamber the aerosol is withdrawn.
  • the present invention relates to the treatment of fibrous materials, and more particularly to the treatment of fibrous materials with aerosols. Still more specifically, the present invention relates to a method of treating fibrous materials with aerosols and to an apparatus for carrying out the method.
  • a single passage of the aerosol through the layer of fluidized fibrous material is capable of effecting only partial treatment of the fibrous material because of the aforementioned poor separation of aerosol particles, so that this approach required several successive treatment stages in which the aerosol had to be passed through the fluidized fibrous material in each case.
  • another approach has been used, namely the filtration of aerosols through a stationary layer of fibrous material.
  • the amount of aerosol particles separated and adhered to the fibers depends on the concentration of such particles in the respective aerosol being used for the treatment.
  • the concen tration particles in the aerosol shows a decreasing tendency, that is the concentration of particles decreases as the pistons from the entry surface increases, and this decrease involves an approximately non-linear relationship.
  • An analogous phenomenon is observed with respect to the concentration of aerosol particles deposited on the fibers. This decrease in concentration is even more remarkable if polydispersion aerosols are used.
  • a uniform distribution and adherence of aerosol particles within the entire stationary layer of fibrous material is practically impossible.
  • the purpose of the present invention and the basic object of the same is to overcome the aforementioned disadvantages and to significantly improve the treatment of fibrous materials with aerosols.
  • a method of treating fibrous materials with aerosols which comprises the confining of a mass of fibrous material in an enclosed space having two opposite sides, the continuous addition of new fibrous material to this mass at one side of the space and the continuous withdralwal of fibrous material from the mass at the opposite other side, so that the new material which is being added to the mass at the aforementioned one side will advance in this space to the other side thereof.
  • the fibrous material within the enclosed space will undergo uniform movement so that the mass of moving fibers constitutes in effect a filtering medium.
  • the aerosol is either sucked or forced, or both, through this filtering medium.
  • various different types of fibrous materials can be treated in this manner, that is have the aerosol particles adhere thereto during passage of the aerosol through the fibrous material.
  • textile fibers that is fibers suitable for the manufacture of textiles. Different natural and artificial fibers and blends thereof are suitable for this purpose. It should be understood, however, that the method and apparatus according to the present invention are applicable to aerosol treatment of fibers regardless of the intended use of such fibers.
  • each filter layer moves away from the filter surface, it receives fewer and fewer aerosol particles whereas the new filter layer, that is the filter layer which builds up upstream of the one just discussed because of the addition of new fibrous materials, now similarly undergoes treatment with the aerosol particles.
  • the separability of the aerosol particles-that is the distribution and adherence of such particles within the filter layer- is proportional to the thickness of each filter layer.
  • the separability of the aerosol particles can be increased by rendering the filtering medium denser.
  • the desired separation of the aerosol particles on the fibers of the respective filter layer can be obtained by selecting a suitable thickness or density of the filtering medium, respectively.
  • these two parameters should be chosen so as to provide for optimum economy in consumption of the aerosol during a single passage of aerosol particles through the fibrous material.
  • the amount of aerosol particles which adhere uniformly to each of the advancing fibrous layers or filter layers that is to the fibers which make up each such layer can be controlled by varying the concentration of aerosol. Obviously, if low aerosol concentrations are used, the amount of particles adhered to the fibers within a given filter layer Will be smaller than with highly concentrated aerosols, and vice versa.
  • the aerosol is caused to penetrate the mass of fibrous material either in concurrent fiow, that is in the direction of movement of the mass of fibrous material or in counterflow, that is opposite the direction of movement of the fibrous material.
  • concurrent fiow that is in the direction of movement of the mass of fibrous material or in counterflow, that is opposite the direction of movement of the fibrous material.
  • FIG. 1 is a somewhat schematic vertical sectional view of an apparatus for the treatment of fibrous materials with aerosols by a method employing concurrent aerosol flow;
  • FIG. 2 is a view similar to FIG. 1, but illustrating the apparatus employing countercurrent flow of the aerosol.
  • reference numeral 1 identifies a substantially vertical chamber which is advantageously of hollow cylindrical configuration.
  • a fiber feed mechanism 3 In the upper section 2 of this chamber, there is arranged a fiber feed mechanism 3 whereas in the lower section 4, which is of somewhat flared cross-section there is provided a fiber removal mechanism 5.
  • the feed mechanism 3 for the addition of fibrous material comprises a knurled feed roller 6 with a feed table 7 attached thereto.
  • a fiber-opening roller 8 is provided with a saw-tooth type cover 9 whose teeth when they engage the fibrous material, effect opening or separation of the fibers.
  • the feed roller 6 is rotated via a transmission element 10 by a suitable electric motor 11; the fiber-opening roller 8 is similarly operated by an electric motor 13 via the transmission element 12.
  • the direction of rotation of feed roller 6 is indicated by the arrow S1 and that of the fiber-opening roller 8 is indicated by the arrow S2.
  • the fiber-removing or withdrawing mechanism 5 provided in the section 4 of the chamber 1 comprises a knurled roller 14 which cooperates with a suction-type screen cage 15 attached thereto.
  • the cage 15 will be described in more detail but at this point it is sufficient to state that the cage 15 is coupled with the roller 14 via a transmission element 16, and via an additional transmission element 17 with an electric motor 18.
  • the roller 14 and the cage 15 are rotated as indicated by the arrows S3 and S4, respectively.
  • the section 4 of the chamber 1 narrows to an outlet opening 19 below the fiber withdrawing mechanism 5, and this outlet 19 communicates with a hopper-type feeder 20 of a pneumatic delivery tube 21 which latter communicates with a fan 22 whose operation efiects in the tube 21 a stream of moving air, that is a condition of superatmospheric pressure which suffices for conveying fibers entering into the tube 21, through the hopper 20 and for advancing these fibers in the tube 21 in the direction of the arrow S5.
  • Fan 22 is driven via a transmission element 33 by an electric motor 24, as clearly shown.
  • the screen cage is of course of known construction and is located oppositely and in parallelism with the roller 14.
  • the interior of the screen cage 15 communicates via a conduit 26 with the fan 27, the latter being driven by means of a transmission element 28 from an electric motor 29.
  • the purpose of the screen cage 15 is to aspirate or withdraw aerosol from the interior of the chamber 1.
  • An aerosol inlet means 30 is provided in the region of the upper section 2 of the chamber 1 and in this instance consists of a tubular ring having jets 31 through which aerosol can issue.
  • the ring communicates via a conduit 32 with the fan 27.
  • an electric heating element 33 Arranged within the conduit 32 upstream of the ring, that is upstream of the jets 31, there is arranged an electric heating element 33 which is connected to a non-illustrated source of electric energy.
  • a regulating flap or damper 34 is pivotally arranged within the conduit 32 upstream of the heating element 33 and serves for directing the flow of air over the heating element.
  • An aerosol generator 35 of known construction is connected with the conduit 32 via the branch pipes 36 and 37 which respectively communicate with the conduit 32 upstream of the damper 34 and downstream of the heating element 33.
  • the generator 35 is equipped with a known aerosol-concentration controlling device 38. Neither the construction of the generator 35 nor that of the device 38 is of importance for the purposes of the present invention.
  • the arrow S6 and the arrow S7 indicate the direction of flow of an air current produced by the fan 27 and moving through the conduit 32; the direction of the air current entering the aerosol generator 35 from the conduit 32, and reentering the conduit 32 from the aerosol generator 35, is indicated by the arrows S8 and S9, respectively.
  • a known device 39 connected to a source 40 of high voltage, may be arranged in the conduit 32 upstream of the aerosol inlet means 30 for the purpose of charging the aerosol particles by means of corona discharge.
  • the chamber 1 is provided with an external jacket or sleeve 41 to which hot steam or other heat-exchanging fluid is supplied via conduit 42 and withdrawn via a conduit 43.
  • a valve 44 is provided for withdrawal of the condensate.
  • the construction of the chamber 1 and the arrangement of the feed mechanism 3 and the Withdrawal mechanism 5 therewithin is such that the chamber 1 constitutes an integral housing which is closed with reference to ambient atmosphere.
  • the output rate of the feed mechanism 3, and the withdrawal rate of the with drawal mechanism 5 are alike, so that the quantity of new fibrous material supplied into the upper section 2 of the housing 1, that is onto the uppermost surface of the mass of fibrous material already contained in the housing 1, is identical with the amount of fibers withdrawn from this mass at the lower section 4 by the with drawal mechanism 5.
  • the apparatus illustrated in FIG. 1 is particularly suitable for the dyeing of polyester staple fibers with a dispersion dyestulf aerosol.
  • the polyester staple fibers 57 are continuously supplied from a preparatory spinning plant to the feed table 7. They are opened to flocks in the feed mechanism 3, and these flocks are then hurled into the interior of the cylindrical chamber 1 where they are deposited onto the homogeneous fibrous mass contained therewithin.
  • the withdrawal mechanism 5, and the fan 27 and aerosol generator 35 are started simultaneously. Withdrawal of fibrous material by the withdrawing mechanism 5 results in downward movement of the mass 58 of fibrous material in the chamber 1.
  • the uppermost surface or layer of the mass 58 is continuously renewed by the addition of fresh untreated fibers thereto via the feed mechanism 3. This downward movement of the mass 58 is identified with the arrow S16.
  • the aerosol in form of a dispersion dyestutf is introduced into the chamber 1 via the aerosol inlet means 30.
  • the aerosol penetrates the mass 58 of fibrous material in the direction of the arrow S17, that is in concurrent flow with the direction of movement of the fibrous material 58.
  • the aerosol particles adhere to the polyester staple fibers 57 which make up the mass or body 58.
  • the aerosol has passed through the mass 58, and has thus been substantially consumed in the treating process, the remainder is sucked off in the direction of the arrows S18 into the screen cage 15 and to the fan 27 from where it is returned through the conduit 32 over the electric heating element 33 back to the inlet means 30 where it is combined or mixed with fresh aerosol.
  • the electrical charge of the aerosol particles is effected by means of the device 39, if such a device is provided.
  • the chamber 1 is preheated to a suitable dyeing temperature, so that, after the aerosol particles in form of a dispersion dyestuif are uniformly adhered to the polyester staple fibers 57 they are dissolved on these fibers whereby the latter are colored.
  • the concentration of the aerosol is adjusted by means of the device 38.
  • the apparatus illustrated in FIG. 2 is substantially similar to that of FIG. 1. It also comprises a feed mechanism 3 corresponding to that shown in FIG. 1.
  • the withdrawal mechanism 5a utilized in FIG. 2 comprises a pair of knurled rollers 45 and -46 which are coupled for joint rotation by means of a transmission element 47 so that they can be driven simultaneously by an electric motor 48.
  • the arrows S10 and S11 indicate the direction of rotation of the rollers 45 and 46. It will be appreciated that suitable arrangement must be provided for effecting this oppositely directed rotation of the two rollers, but such arrangements are well known to those skilled in the art.
  • rollers 45 and 46 are arranged below a relatively narrow outlet opening 49 in the section '4 of the chamber 1a, and downwardly of this outlet opening 49 and of the rollers 45, 46 there is arranged a hopper feeder 50 which supplies fibers withdrawn by the rollers 45 and 46 and deposited in the hopper feeder 50 onto a conveyor belt 51 which is driven in the direction indicated by the arrow S12 via a transmission element 52 and an electric motor 53.
  • the aerosol inlet means 30a in FIG. 2 is arranged in the section 4 of the chamber 1, that is in the lowermost part of the latter.
  • the tubular ring provided with the outlet jets or nozzles 31a is connected to a main conduit 54 which communicates with the aerosol generator 35 and the fan 27, both of which are identical with constructions shown in FIG. 1.
  • the fan 27 in turn is connected to a suction device consisting of a tubular ring 55 with nozzles 56, this ring being arranged in the uppermost section 2 of the chamber 1a.
  • the arrow S13 indicates the direction in which an air current moves from the ring 55 to the fan 27, and the direction of the air current from the fan 27 to the aerosol inlet means 30a is identified by arrow S14.
  • Arrows S8 and S7 respectively indicate the direction of an air current passing from the conduit 54 into the aerosol generator 35, and from the latter back into the conduit 54 downstream of the air current regulating flap 34 installed in the conduit 54.
  • the nozzles 31a and 56 are covered with a fine tulle knitting (not illustrated).
  • the chamber 1a with the feed mechanism 3 constitutes an integral closed housing. No heating element corresponding to the element 33 of FIG. 1 is provided.
  • the apparatus of FIG. 2 is particularly well suited for lubricating wool fibers 59 with an aerosol lubricating agent.
  • the aerosol is caused to penetrate the layer or mass 58:: of wool fibers, which advances in the direction of the arrow S16, and this penetration re sults from the presence of a sub-atmospheric pressure produced by the suction device 55.
  • the aerosol in this embodiment moves countercurrent to the direction of advancement of the mass 58a, as indicated by the arrows S20 for the movement of aerosol, and the arrows S16 for the movement of the fibrous mass 58a.
  • the lubricating agent adheres to the Wool fibers.
  • the substantially consumed aerosol is aspirated out of the chamber 1, in the direction of the arrow S20, as already indicated and recirculated through the main conduit 54, to the aerosol inlet means 30a. and therefrom back into the chamber 1.
  • a portion of the recirculated aerosol is introduced by means of the flap 34 into the branch pipe 36 and from there into the aerosol generator 35. Therein it is saturated with new aerosol and is then returned via the branch pipe 37 to the conduit 54 and thence to the aerosol inlet means 30a.
  • the aerosol concentration is again determined by the aerosol concentration controlling device 38.
  • the wool fibers lubricated in the embodiment of FIG. 2 are withdrawn at the outlet 49 by the rollers 45 and 46 and are supplied by these rollers into the hopper feeder 50 from where they drop onto the conveyor belt 51 which supplies them to another processing station.
  • the treatment in this embodiment proceeds at room temperature and results in uniform and economic lubrication of the wool fibers.
  • the dispersed phase of the aerosols which are to be used in accordance with the present invention may be solid, liquid or mixed. Aerosols having solid particles dispersed therein may be used, for instance, in processes for optically brightening or dyeing synthetic fibers. Liquid aerosols may be used for lubricating, condition, graphiting or other ways of treating natural or manmade fibers. Aerosol blends comprising solid particles of a dispersion dyestuff and liquid aqueous particles may be used for various different purposes, e.g. for the dyeing of synthetic fibers.
  • the present invention will be carried out at room temperature (embodiment of FIG. 2) or at elevated temperatures (embodiment of FIG. 1).
  • the room temperature processing is preferable in certain circumstances, for example, when liquid aerosols are to be used.
  • Elevated temperatures are particularly advantageous if solid-particle aerosols are employed or in cases where the aerosol particles are to be dissolved on the fibers or into the fibers after having been deposited thereon, or are intended to enter into a chemical reaction with the fibers.
  • the method according to the present invention may be performed at atmospheric pressure, at sub-atmospheric pressure or at super-atmospheric pressure.
  • Sub-atmospheric and superatmospheric pressure may be used, for example, for the purpose of accelerating the dissolution of the aerosol particles in fibers, or for accelerating or retarding a chemical reaction between the fibers and the aerosol particles adhered thereto.
  • Separability of the aerosol particles within the layer or mass of fibrous material is further enhanced if the aerosol particles and/or the fibrous material to be treated are provided with an electric change which may be either unipolar, or bipolar. It is preferred that if the aerosol particles are so charged, they be provided with a unipolar charge because this contributes to an increase of the separability or distribution of these particles.
  • Charging of the aerosol particles can be effected by means of corona discharge, by ultra-violet irradiation, from a radioactive source or the like. All of this is known and is mentioned here only for purposes of complete description.
  • the fibrous material can be charged by moving it in an electrostatic field between elcetrodes of a capacitor connected to a high voltage source. Because of difierent dielectric constants of the aerosol vehicle and the fibrous material to be treated, the strength of the electrostatic field increases in the direction towards the fibers. The particles bearing the opposite charge, as well as the uncharged particles, are attracted to the fibers in the direction of increasing gradient of the electrostatic field. In separating actions caused by electrostatically charged mechanisms natural charges of the aerosol particles can be utilized. Again, this is mentioned here not as a basic concept of the invention, but only for the sake of completeness, such expedients already being known in the art.
  • a method of treating fibrous materials with aerosols in an enclosed space having an upper and a lower portion comprising the steps of introducing into said upper portion of said enclosed space tufts of fibrous material for gravity descent to said lower portion, to thereby provide in said enclosed space a layer of said fibrous material having an upper and a lower side and a thickness smaller than the height of said enclosed space; continuously introducing first quantities of additional tufts of said fibrous material into said upper portion of said enclosed space for gravity descent onto said upper side of said layer, and continuously withdrawing from said lower side of said layer second quantities of fibrous material substantially identical to said first quantities, so that said layer is continuously renewed as a result of gravity descent of said first quantities from said upper side to said lower side of said layer; and continuously passing through the thus constantly renewed layer of fibrous material an aerosol in predetermined direction from one to the other of said sides so as to effect filtration of said aerosol through said layer to thereby treat the fibers of said layer with said aerosol.
  • Apparatus for treating fibrous materials with aerosols comprising, in combination, confining means defining an enclosed space having an upper and a lower portion, for confining a layer of fibrous material which tends to descend under the influence of gravity from said upper portion to said lower portion; feed means for continuously introducing into said upper portion first quantities of tufts of fibrous material for gravity descent onto an upper side of said layer; withdrawing means for continuously withdrawing from a lower side of said layer second quantities of fibrous material which are substantially identical to said first quantities, so that said layer is continuously renewed as a result of gravity descent of said first quantities from said upper side to said lower side of said layer; and treating means for continuously passing an aerosol through said layer from one to the other of said sides thereof, so as to effect filtration of said aerosol through said layer to thereby treat the fibers of said layer with said aerosol.
  • said confining means comprises wall means defining a substantially vertical chamber.
  • said treating means comprises supply means communicating with said upper portion for advancement of the aerosol in direction to said lower portion concurrently With the movement of said fibrous material.
  • Apparatus as defined in claim 10 and further comprising suction-producing means communicating with said enclosed space at said lower portion thereof for facilitating advancement of said aerosol through said layer of fibrous material, and for removing from said enclosed space such aerosol which penetrates through said layer of fibrous material to said lower portion.
  • treating means comprises supply means communicating with said lower portion for advancement of the aerosol in direction to said upper portion countercurrent to the movement of said fibrous material through said chamber.
  • said treating means comprising aerosol supply means communicating with said upper portion for introducing said aerosol into said enclosed space and suction-producing means communicating with said enclosed space at said lower portion for removing residual aerosol from said enclosed space.
  • Apparatus as defined in claim 14 and further comprising returning means for returning the residual aerosol to said aerosol supply means.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Treatment Of Fiber Materials (AREA)
US716010A 1967-03-31 1968-03-26 Method of and apparatus for treating fibrous materials Expired - Lifetime US3521998A (en)

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CS231667 1967-03-31

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US716010A Expired - Lifetime US3521998A (en) 1967-03-31 1968-03-26 Method of and apparatus for treating fibrous materials

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US (1) US3521998A (fr)
AT (1) AT271363B (fr)
CH (3) CH505654A (fr)
DE (1) DE1760047A1 (fr)
FR (1) FR1586647A (fr)
GB (1) GB1156435A (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3660014A (en) * 1970-01-10 1972-05-02 Yamadakuma Senkojo Kk Continuous steam-heating method and apparatus for continuously treating or dyeing cotton and other fibers
US3729290A (en) * 1971-10-04 1973-04-24 P Dillies Process and apparatus for the treatment of loose materials such as textile fibers
US3983723A (en) * 1972-12-20 1976-10-05 Thies Kg Apparatus for wet-treating materials
US5083345A (en) * 1989-08-26 1992-01-28 Trutzschler Gmbh & Co. Kg Apparatus for feeding fiber tufts to a fiber processing machine
CN107385722A (zh) * 2017-09-08 2017-11-24 苏州市远凌纺织有限公司 一种可提升染色效果的布匹用染色机
US20180334762A1 (en) * 2017-05-15 2018-11-22 Temafa Maschinenfabrik Gmbh Fiber feed device and fiber blending unit
WO2021034483A3 (fr) * 2019-08-01 2021-07-08 Diaz Acevedo Maria Mercedes Appareil de séparation et de transport de particules agglomérées, telles que des fibres de carbone

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0080790A3 (fr) * 1981-08-10 1985-09-11 Tokyo Copal Chemical Company Limited Procédé et dispositif pour produire un film extrêmement mince à la surface d'un objet
CN110616477A (zh) * 2019-10-18 2019-12-27 盐城金大纺织机械制造有限公司 一种节能成卷工艺的自动控制系统

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2089992A (en) * 1932-03-14 1937-08-17 Int Paper Co Continuous bleaching process and apparatus
US3175375A (en) * 1962-03-05 1965-03-30 Yazawa Masahide Apparatus for the continuous treatment of slivers

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2089992A (en) * 1932-03-14 1937-08-17 Int Paper Co Continuous bleaching process and apparatus
US3175375A (en) * 1962-03-05 1965-03-30 Yazawa Masahide Apparatus for the continuous treatment of slivers

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3660014A (en) * 1970-01-10 1972-05-02 Yamadakuma Senkojo Kk Continuous steam-heating method and apparatus for continuously treating or dyeing cotton and other fibers
US3729290A (en) * 1971-10-04 1973-04-24 P Dillies Process and apparatus for the treatment of loose materials such as textile fibers
US3983723A (en) * 1972-12-20 1976-10-05 Thies Kg Apparatus for wet-treating materials
US5083345A (en) * 1989-08-26 1992-01-28 Trutzschler Gmbh & Co. Kg Apparatus for feeding fiber tufts to a fiber processing machine
US20180334762A1 (en) * 2017-05-15 2018-11-22 Temafa Maschinenfabrik Gmbh Fiber feed device and fiber blending unit
US10781537B2 (en) * 2017-05-15 2020-09-22 Temafa Maschinenfabrik Gmbh Fiber conveyor and fiber blending unit
CN107385722A (zh) * 2017-09-08 2017-11-24 苏州市远凌纺织有限公司 一种可提升染色效果的布匹用染色机
WO2021034483A3 (fr) * 2019-08-01 2021-07-08 Diaz Acevedo Maria Mercedes Appareil de séparation et de transport de particules agglomérées, telles que des fibres de carbone

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DE1760047A1 (de) 1971-12-30
AT271363B (de) 1969-05-27
CH505654A (de) 1970-12-31
FR1586647A (fr) 1970-02-27
GB1156435A (en) 1969-06-25
CH426468A4 (fr) 1970-12-31
CH506336A (de) 1971-04-30

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