US3453355A - Process for pneumatically tearing and parting fiber flocks - Google Patents

Process for pneumatically tearing and parting fiber flocks Download PDF

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Publication number
US3453355A
US3453355A US535577A US3453355DA US3453355A US 3453355 A US3453355 A US 3453355A US 535577 A US535577 A US 535577A US 3453355D A US3453355D A US 3453355DA US 3453355 A US3453355 A US 3453355A
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Prior art keywords
fibres
flocks
tearing
parting
pneumatically
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US535577A
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English (en)
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Bernard Rudloff
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/14—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas designed for spraying particulate materials
    • B05B7/1404—Arrangements for supplying particulate material
    • B05B7/144—Arrangements for supplying particulate material the means for supplying particulate material comprising moving mechanical means
    • B05B7/145—Arrangements for supplying particulate material the means for supplying particulate material comprising moving mechanical means specially adapted for short fibres or chips
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G9/00—Opening or cleaning fibres, e.g. scutching cotton
    • D01G9/08—Opening or cleaning fibres, e.g. scutching cotton by means of air draught arrangements
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
    • D04H1/732—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by fluid current, e.g. air-lay
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
    • D04H1/736—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged characterised by the apparatus for arranging fibres

Definitions

  • the present invention relates to a process for pneumatically parting fiber flocks, and to the manner of carrying out this process, more especially for the continuous conventional manufacture of unwoven felts of textile webs.
  • this fibreseparating system being, a mechanical system, cannot give complete satisfaction 'by reason of the breakages of the fibres, by reason of being poorly adapted to the working of very short fibres, by reason of the limitation of the tangential speed of beaters equipped with pins or teeth which hardly permits of increasing the production of unwoven fleeces, the quality of which moreover depends upon good distribution of the fibres, perfect regularity of which these machines cannot ensure, and their coating with synthetic binders, whether liquid or in dry powder form, which is a function of the degree of separation of the fibres.
  • the present invention proposes to replace the second group of mechanical elements by a pneumatic device for tearing into fibres with regulable pressure which is particularly adapted to the work of opening up flocks of any origins, without distinction of fineness, flexibility of fibre length, which can be of one single kind or short or can be mixed.
  • variable pressure of the. air jets permits higher jet speeds than the tangential speeds of rotatable mechanical elements.
  • FIGURE 1 is a side elevation of the pneumatic device for opening up or parting of fibres, mounted at the end of a feed table;
  • FIG. 2 is a similar view, the supply of the fibre flocks being effected by an Archimedean screw;
  • FIG. 3 is a similar view, flocks being taken between two fluted cylinders
  • FIG. 4 is a similar view, more especially for long fibres.
  • FIG. 5 is a side elevation of the entire assembly for the continuous manufacture of unwoven fleeces or felts which can comprise one of the systems for pneumatic opening of the fibres according to FIGS. 1, 2, 3 or 4.
  • the opening up of flocks of textile fibres and their separation are effected progressively by means of a pneumatic system replacing the conventional mechanical elements for tearing apart, having lateral or rotating movement, in which pneumatic system air jets act upon the flocks, the controllable air pressure being intro- 3 quizged into the flocks, to cause the fibres to fly individually as they are liberated from the retention of the supply device.
  • the pneumatic system comprises two parallel, juxtaposed and staggered air jets, acting vertically one against the other, which act upon the cushion of fibre flock 2 sliding over the fixed feed table 3 and delivered by the regulable-pressure fluted feed cylinder 1.
  • the flock is presented to a first pneumatic jet 4 which projects the liberated fibers downwards where they encounter the jet 5 which drives them upwards again.
  • the feed table 3 is of a special form. Its nose 3' is of concave, in-curved form in order to lay out the flock delivered by the cylinder 1 of the table 3 under the action of the jet 4 in the form of a tuft. This curvature has the purpose of deviating the jet 4 with the fibres which it detaches from the tuft on to the jet 5, which completes the opening up of the flock not yet opened and torn into fibres by the jet 4.
  • the spacings 6 and 6 of the jets are adjustable by any conventional means.
  • FIG. '2 when the flock is supplied by an Archimedean screw 7 within a tube 8, a nozzle 9 projects a jet of air under a pressure of 7 to 6 kg. violently on to the flock of fibres presented at the exit of the tube 8 at 10.
  • a second jet of air under pressure issues from the tube 8 through the end piece 11 by way of the aperture 12 of an adjustable section. This second air jet, with adjustable pressure and delivery quantity, liberated at 12, projects the opened fibres forward as they are supplied by the screw 7.
  • FIG. 3 the flock 2 supplied by the conveyor belt 13 beneath the equalising cylinder 14 is taken between the two feed cylinders 15 and 16, the upper cylinder being adjustable in pressure upon the lower cylinder.
  • These two cylinders form the point of retention of the fibre flock which is opened out at the exit therefrom by the air jet issuing from the adjustable nozzle 17.
  • the fibres thus separated under the action of the air jet fly ofl and are directed towards elements which subject the fibres to further treatment.
  • FIG. 4 shows another form of embodiment intended more especially for the pneumatic opening up of long fibres of 60 to 100 mm. mixed according to the need with short fibres of irregular lengths of from 5 to 50 mm.
  • the flock of fibres 2 passing beneath the equalising cylinder 14 is brought by the conveyor belt 13 on to the feed table 3 having a concave, in-curved nose 3, and beneath the fluted feed cylinder 1 of regulable pressure, which feeds it and presents it to a cylinder 18 equipped with saw teeth, which rotates clockwise as indicated by the arrow 20, and mechanically tear the flock into fibres.
  • the fibres thus opened up remain hooked in the toothing.
  • a jet of air 19 under adjustable pressure and of very high tangential speed acts circumferentially on the cylinder 18 and causes the fibres to fly towards elements which later separate the fibres.
  • This installation which comprises a series of elements successively carrying out the manufacturing operations, comprises a charging device 22, into which the textile fibres are conducted by a pneumatic conduit 21, which charging device is composed essentially of an endless conveyor belt 23, the apron of which is equipped with pins 23, which in its ascending movement entrains clumps of fibres the quantity of which is determined by a con trolling roller 24, the distance of which from the apron is adjustable.
  • the fibres fall in tufts on to a horizontal endless conveyor belt 25 which carries them towards the position A where one of the pneumatic opening systems as described in FIGS. 1, 2, 3 and 4 is installed, whence they are brought by projection into a chamber 26, where the intimate mixing of fibres and resin is effected.
  • the fibres are blown into this chamber 26 by an air current 27, the direction of which is adjustable by means of direction-regulating devices 28, and the quantity delivered of which is controllable by means of a throttle 29.
  • the open fibres are sucked on to the conveyor belt 30 by means of a suction box 31 fixed beneath the belt 30.
  • the fibres are progressively superimposed and before their engagement between the belts 30 and 32, the device 33 of regulable height permits of their equalisation.
  • This device 33 is in the form of a shoe and is provided with a nozzle through which a controllable air jet drives the fibres accumulating before it.
  • liquid resin When using liquid resin, it can be introduced into the fibres by the air jets 4 and 5 of the pneumatic opening system according to FIG. 1.
  • the air jets 4 and 5 of the pneumatic opening system according to FIG. 1.
  • at 34 in the chamber 26 there are provided nozzles introducing a mist of very finely atomised liquid resins into the chamber, which resins coat the fibres while they fly in the eddy which holds them for a certain time in suspension in the air, which time is adjustable by means of the circuit 35 mounted on the box 31 which places the chamber 26 under suction, by withdrawing a portion of air current 27.
  • An external air entry is provided in the top of the chamber 2 6 with adjustable flaps 37.
  • a second conveyor belt 32 of adjustable height takes the fibre-resin mixture which is thus fed into the tunnel 38 for polymerisation.
  • belts 32 and 30 it is possible to form regular, more or less dense mats or cushions of fibres, with strictly flat surfaces.
  • the air current 27 can be heated in order to pre-heat the fibre-resin mixture.
  • a current of hot air is introduced by means of fans 39 into the polymerisation tunnel 38.
  • This current passes through the fleece and furthermore can be directed either from the top downwards or from the bottom upwards or alternately in both directions, according to the nature, thickness and constituents of the finished product to be obtained.
  • conventional speed-variation means (not shown) permits varying the speed of the endless belts 30 and 32.
  • the unwoven felt is either wound on a spindle or it passes into a guillotine 40 which cuts it in sheets of desired length. It can also be cut into belts, the width of which is adjustable.
  • a process for pneumatically parting fibre flocks comprising (a) feeding said flocks into and out of a confined space, and (b) impinging upon said fiber flocks emerging from said confined space at least a pair of high speed air jets flowing in different directions to thereby cause parting of said fibre flocks.
  • a process of pneumatically parting and tearing fibr flocks comprising (a) feeding said fiber flocks through a tube by rotating a screw therein, and (b) impinging upon said fibre flocks leaving said tube an air jet axially aligned with said tube to cause pneumatic parting and tearing of said fibre flocks.
  • a process for tearing and pneumatically parting fib-re flocks comprising (a) feeding said fibre flocks into and out of a confined space, (b) rotating against said fiber flocks emerging from said confined space a sawtoothed cylinder in which said fibre flocks are booked in the toothing thereof, and -(c) impinging tangentially in the rotational direction of said cylinder and air jet of controllable pressure and flow to cause tearing and pneumatic parting of said fibre flocks.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
US535577A 1965-10-15 1966-03-18 Process for pneumatically tearing and parting fiber flocks Expired - Lifetime US3453355A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8441A FR1478366A (fr) 1965-10-15 1965-10-15 Procédé d'ouvraison et de défibrage pneumatiques de textiles en bourres et sa mise en oeuvre, plus particulièrement, pour la fabrication en continu classique de feutres ou de voiles textiles non tissés

Publications (1)

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US3453355A true US3453355A (en) 1969-07-01

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US (1) US3453355A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE678601A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE1510395B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR1478366A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1143937A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL145288B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3699203A (en) * 1970-02-10 1972-10-17 Sumitomo Bakelite Co Process for production of matrix molding board
US3777231A (en) * 1972-09-27 1973-12-04 A Guschin A device for forming a layer of fibrous material of homogeneous structure
US3888962A (en) * 1972-11-24 1975-06-10 Johns Manville Insulating product and dry process for its manufacture
WO2001023655A1 (en) * 1999-09-27 2001-04-05 Owens Corning Making a fibrous insulation product using a multicomponent polymer binder fiber
WO2002012605A3 (en) * 2000-08-03 2002-05-16 Kimberly Clark Co Multi-chamber process and apparatus for forming a stabilized absorbent web
WO2002012606A3 (en) * 2000-08-03 2002-05-16 Kimberly Clark Co Process and apparatus for forming a stabilized absorbent web
EP1213377A1 (en) * 2000-12-06 2002-06-12 Japan Vilene Company, Ltd. Powders-affixed nonwoven fabric, process for manufacturing same, and sheet material containing same
US6608237B1 (en) 2000-08-03 2003-08-19 Kimberly-Clark Worldwide, Inc. High-strength, stabilized absorbent article
US20060081330A1 (en) * 2000-09-08 2006-04-20 Japan Vilene Co., Ltd. Fine-fibers-dispersed nonwoven fabric, process and apparatus for manufacturing same, and sheet material containing same
CN103526339A (zh) * 2013-09-29 2014-01-22 吴江市科时达纺织有限公司 一种清棉机
CN105002604A (zh) * 2015-08-25 2015-10-28 苏州星原纺织有限公司 一种高效强力清花机
CN112840076A (zh) * 2018-07-09 2021-05-25 T·J·苏塔利亚 使用加压气态流体对纤维材料簇进行开松的设备及其方法
EP3821063A4 (en) * 2018-07-09 2022-03-23 Tarang J SUTARIA METHOD AND APPARATUS FOR SELECTIVELY INJECTING FIBROUS MATERIAL FROM MULTIPLE CHAMBERS INTO A SINGLE CHAMBER

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3793679A (en) * 1971-07-02 1974-02-26 Kendall & Co Pneumatic drafting of fibrous strands
US3981047A (en) * 1975-05-13 1976-09-21 E. I. Du Pont De Nemours And Company Apparatus for forming a batt from staple fibers
JPS54155237A (en) * 1978-05-29 1979-12-07 Nobuo Serizawa Constant quantity feeder
DE3325643C2 (de) * 1982-08-16 1986-10-02 Armstrong World Industries, Inc., Lancaster, Pa. Bauplatte sowie Verfahren und Vorrichtung zu ihrer Herstellung
US5316601A (en) * 1990-10-25 1994-05-31 Absorbent Products, Inc. Fiber blending system
DE4128592A1 (de) * 1991-08-28 1993-03-04 Baehre & Greten Verfahren zum kontinuierlichen herstellen eines vlieses aus faserteilchen sowie vorrichtung zur durchfuehrung des verfahrens
DE10022499A1 (de) * 2000-05-09 2001-11-15 Winkler & Duennebier Ag Vorrichtung zum Bereitstellen eines von Flockenverklumpungen im wesentlichen freien Flocken-Luft-Gemisches sowie Verfahren zum Auflösen von Flockenverklumpungen
RU2374365C1 (ru) * 2008-07-14 2009-11-27 Алексей Михайлович Щепочкин Волокноочиститель
CN112535922A (zh) * 2020-12-16 2021-03-23 温州冰锡环保科技有限公司 一种空气过滤棉制备处理工艺
CN112853551B (zh) * 2021-01-08 2022-05-06 青岛狮诺服装科技有限公司 一种羊绒处理方法

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US2152901A (en) * 1936-09-05 1939-04-04 F W Manning Company Ltd Method of making filter fabric
US2619151A (en) * 1951-02-12 1952-11-25 Gustin Bacon Mfg Co Method and apparatus for manufacturing fibrous mats
US3081207A (en) * 1963-03-12 Fibrous mat and method of manufacture
US3157440A (en) * 1961-01-25 1964-11-17 Nihon Spindle Mfg Co Ltd Fibrous raw material feeding arrangements for spinning machines

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DE1107565B (de) * 1954-03-10 1961-05-25 Curlator Corp Maschine zum Herstellen eines Faservlieses
US2834061A (en) * 1954-05-07 1958-05-13 Lummus Cotton Gin Co Pneumatic fiber cleaning apparatus
DE1035542B (de) * 1955-06-10 1958-07-31 Karl Wandrey Verfahren und Vorrichtung zum OEffnen und Reinigen von Baumwolle
AT205335B (de) * 1957-05-15 1959-09-25 Otto Dr Angleitner Vorrichtung zur Bildung eines Vlieses aus Fasermaterial
GB893564A (en) * 1959-05-15 1962-04-11 Tmm Research Ltd Improved apparatus for opening and cleaning textile fibrous material

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3081207A (en) * 1963-03-12 Fibrous mat and method of manufacture
US2152901A (en) * 1936-09-05 1939-04-04 F W Manning Company Ltd Method of making filter fabric
US2619151A (en) * 1951-02-12 1952-11-25 Gustin Bacon Mfg Co Method and apparatus for manufacturing fibrous mats
US3157440A (en) * 1961-01-25 1964-11-17 Nihon Spindle Mfg Co Ltd Fibrous raw material feeding arrangements for spinning machines

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3699203A (en) * 1970-02-10 1972-10-17 Sumitomo Bakelite Co Process for production of matrix molding board
US3777231A (en) * 1972-09-27 1973-12-04 A Guschin A device for forming a layer of fibrous material of homogeneous structure
US3888962A (en) * 1972-11-24 1975-06-10 Johns Manville Insulating product and dry process for its manufacture
WO2001023655A1 (en) * 1999-09-27 2001-04-05 Owens Corning Making a fibrous insulation product using a multicomponent polymer binder fiber
GB2381541A (en) * 2000-08-03 2003-05-07 Kimberly Clark Co Multi-chamber process and apparatus for forming a stabilized absorbent web
GB2381540B (en) * 2000-08-03 2004-06-23 Kimberly Clark Co Process and apparatus for forming a stabilized absorbent web
US6533989B1 (en) 2000-08-03 2003-03-18 Kimberly-Clark Worldwide, Inc. Multi-chamber process and apparatus for forming a stabilized absorbent web
US6533978B1 (en) 2000-08-03 2003-03-18 Kimberly-Clark Worldwide, Inc. Process and apparatus for forming a stabilized absorbent web
WO2002012605A3 (en) * 2000-08-03 2002-05-16 Kimberly Clark Co Multi-chamber process and apparatus for forming a stabilized absorbent web
GB2381540A (en) * 2000-08-03 2003-05-07 Kimberly Clark Co Process and apparatus for forming a stabilized absorbent web
US6608237B1 (en) 2000-08-03 2003-08-19 Kimberly-Clark Worldwide, Inc. High-strength, stabilized absorbent article
WO2002012606A3 (en) * 2000-08-03 2002-05-16 Kimberly Clark Co Process and apparatus for forming a stabilized absorbent web
US7837814B2 (en) * 2000-09-08 2010-11-23 Japan Vilene Co., Ltd. Fine-fibers-dispersed nonwoven fabric, process and apparatus for manufacturing same, and sheet material containing same
US20060081330A1 (en) * 2000-09-08 2006-04-20 Japan Vilene Co., Ltd. Fine-fibers-dispersed nonwoven fabric, process and apparatus for manufacturing same, and sheet material containing same
US6737372B2 (en) 2000-12-06 2004-05-18 Japan Vilene Company, Ltd. Powders-affixed nonwoven fabric, process for manufacturing same, and sheet material containing same
US20020100548A1 (en) * 2000-12-06 2002-08-01 Japan Vilene Company, Ltd. Powders-affixed nonwoven fabric, process for manufacturing same, and sheet material containing same
EP1213377A1 (en) * 2000-12-06 2002-06-12 Japan Vilene Company, Ltd. Powders-affixed nonwoven fabric, process for manufacturing same, and sheet material containing same
CN103526339A (zh) * 2013-09-29 2014-01-22 吴江市科时达纺织有限公司 一种清棉机
CN105002604A (zh) * 2015-08-25 2015-10-28 苏州星原纺织有限公司 一种高效强力清花机
CN112840076A (zh) * 2018-07-09 2021-05-25 T·J·苏塔利亚 使用加压气态流体对纤维材料簇进行开松的设备及其方法
EP3821063A4 (en) * 2018-07-09 2022-03-23 Tarang J SUTARIA METHOD AND APPARATUS FOR SELECTIVELY INJECTING FIBROUS MATERIAL FROM MULTIPLE CHAMBERS INTO A SINGLE CHAMBER

Also Published As

Publication number Publication date
GB1143937A (en) 1969-02-26
DE1510395B1 (de) 1972-03-23
FR1478366A (fr) 1967-04-28
NL145288B (nl) 1975-03-17
NL6603839A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1967-04-17
BE678601A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1966-09-01

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