EP3449048A1 - Métier à filer à jet d'air et procédé de production d'un fil - Google Patents

Métier à filer à jet d'air et procédé de production d'un fil

Info

Publication number
EP3449048A1
EP3449048A1 EP17719720.9A EP17719720A EP3449048A1 EP 3449048 A1 EP3449048 A1 EP 3449048A1 EP 17719720 A EP17719720 A EP 17719720A EP 3449048 A1 EP3449048 A1 EP 3449048A1
Authority
EP
European Patent Office
Prior art keywords
air
spindle
vortex chamber
spinning machine
yarn
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.)
Withdrawn
Application number
EP17719720.9A
Other languages
German (de)
English (en)
Inventor
Peter Blankenhorn
Christian Griesshammer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maschinenfabrik Rieter AG
Original Assignee
Maschinenfabrik Rieter AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Publication of EP3449048A1 publication Critical patent/EP3449048A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/11—Spinning by false-twisting
    • D01H1/115—Spinning by false-twisting using pneumatic means
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/02—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques imparting twist by a fluid, e.g. air vortex

Definitions

  • the present invention relates to an air spinning machine for producing a yarn from a fiber structure, wherein the air spinning machine comprises at least one spinneret with a swirl chamber, wherein the swirl chamber has an inlet for the entry of the fiber composite, wherein the spinneret at least partially in the swirl chamber extending Garnsentelement in A spindle having an inlet opening, wherein an annular gap is formed between an outer surface of the spindle and an inner wall of the vortex chamber facing the spindle, wherein the spinneret comprises air nozzles through which air can be introduced into the vortex chamber in order to following a piecing process, spinning the spinneret in the region of the inlet opening of the spindle to give a rotation, and wherein the spindle has an internal and a longitudinal axis having discharge channel through which the yarn from the vortex chamber deductible is.
  • a method for producing a yarn from a fiber strand during a spinning following spinning operation is proposed by means of an air spinning machine, wherein the air spinning machine comprises at least one spinneret with a swirl chamber, wherein the swirl chamber is fed via an inlet a fiber strand, the Spinneret at least partially in the vortex chamber extending Garn avoirselement in the form of an inlet opening having a spindle, wherein between an outer surface of the spindle and an inner wall facing the spindle of the vortex chamber, an annular gap is formed, wherein the spinneret comprises air nozzles, on the during the spinning operation air is introduced into the vortex chamber in order to impart rotation to the fiber structure in the region of the inlet opening of the spindle, and wherein the spindle has an internal and a longitudinal axis having a discharge channel through which the yarn a us the vortex chamber is deducted.
  • Air-jet spinning machines with corresponding spinnerets are known in the art.
  • the outer fibers of the fiber composite are wound around the inner core fibers in the region of an inlet opening of the yarn formation element with the aid of a vortex air flow generated by the air nozzles within the vortex chamber, thereby forming the binder fibers which determine the desired strength of the yarn.
  • B. can be wound on a sleeve.
  • the term yarn generally means a fiber structure in which at least some of the fibers are wound around an inner core.
  • a yarn is included in the traditional sense, which can be processed into a fabric, for example with the aid of a weaving machine.
  • the invention also relates to air spinning machines, with the help of so-called roving (other name: Lunte) can be produced.
  • roving other name: Lunte
  • This type of yarn is characterized by the fact that, despite a certain strength, which is sufficient to transport the yarn to a subsequent textile machine, it is still delayable.
  • the roving can thus with the help of a defaulting device, z.
  • a roving processing textile machine such as a ring spinning machine, are warped before it is finally spun.
  • a fiber guide element is usually arranged, via which the fiber structure is guided into the spinneret and finally into the region of the yarn-forming element, wherein spindles with an internal discharge channel are used as yarn-forming elements.
  • the geometry of the spinneret, in particular of the spindle and of the vortex chamber, is of decisive importance for yarn formation.
  • the object of the present invention is to propose an air-spinning machine or a method with the aid of which a yarn of particularly high quality can be produced.
  • an air-spinning machine for producing a yarn from a fiber structure
  • the air-spinning machine comprises at least one spinneret with a vortex chamber.
  • the vortex chamber has an inlet in the form of an opening, which is preferably defined or defined by a fiber guide element, and via which the fiber structure is introduced into the vortex chamber during the spinning operation or is sucked in by the negative pressure prevailing inside the vortex chamber.
  • spinning is understood to mean the operation of the air-spinning machine in which, with the aid of the corresponding spinneret (s), a yarn is produced from the supplied fiber structure and wound onto a sleeve by means of a winding device.
  • s spinneret
  • a joining operation between the fiber structure and a previously produced yarn end which is necessary in order to enable the subsequent spinning operation at all.
  • Annular gap exists, which forms a part of the vortex chamber and in which at least during the spinning operation, said vortex air flow is formed.
  • the spinneret usually comprises an air extraction, via which the previously introduced via the air nozzles air can escape from the vortex chamber again.
  • the air nozzles In the area of the end face of the spindle, there is an air requirement which is covered by the air nozzles, by the inlet of the vortex chamber and by the withdrawal channel through which the yarn is withdrawn from the spindle.
  • the air flowing through the latter opposite to the direction of transport of the yarn within the withdrawal channel has a negative effect on the yarn, since its flow direction counteracts the movement of the yarn and brakes it or exerts undesired forces on the fiber ends.
  • the air nozzles are aligned in the direction of the end face of the spindle surrounding the inlet opening such that a part of the air introduced via the air nozzles during the spinning operation enters the annular gap and the remaining part of said air enters the outlet channel.
  • the orientation of the air nozzles is thus such that a part of the compressed air introduced via the air nozzles at least partially reaches the extraction channel and counteracts the air flow in the opposite direction within the withdrawal channel.
  • the air pressure of the air nozzles leaving the air and depending on the orientation of the air nozzles entering the exhaust duct via the inlet opening of the spindle now exiting through the discharge channel and thus prevent the undesirable air flow against the transport direction of the yarn within the discharge channel.
  • the air introduced via the inlet opening only reaches a certain distance into the withdrawal channel and there undergoes a reversal of direction due to the air flowing in the opposite direction.
  • different flow directions of the air flowing there prevail in this case, so that at least some of the air coming from the air nozzles also again counter to the transport direction of the yarn can escape from the spindle.
  • the air entering the extraction channel in the opposite direction to the transport direction of the yarn is opposed by a force applied via the spinnerets in the direction of transport of the yarn.
  • this force reduces the volume flow of the air flowing through the extraction channel in the opposite direction to a solution in which the air introduced by the air nozzles is discharged exclusively into the annular gap of the vortex chamber.
  • the air nozzles extend in a plane containing the inlet opening (which runs in particular perpendicular to a longitudinal axis of the spindle) respectively between the inlet opening and a tangent to the inner wall of the vortex chamber running parallel to a central axis of the respective air nozzle.
  • the air nozzles do not open tangentially into the vortex chamber. Rather, they are parallel to a tangential arrangement in the direction of the longitudinal axis of the spindle (which extends along the discharge channel) shifted so that they are compared to the prior art in the radial direction (relative to said longitudinal axis) closer to the inlet opening of the spindle are located. This favors the desired effect that some of the air introduced via the air nozzles enters the extraction duct.
  • the air nozzles are present as holes, each having a central axis.
  • d is the inner diameter of the air nozzle
  • D is the inner diameter of the discharge channel in a subsequent to the inlet opening cylindrical region
  • b the remaining distance between the exhaust duct facing the inside of an air nozzle and the air nozzle facing inner surface of the spindle or its discharge channel in the region of the inlet opening of the spindle downstream cylindrical portion of the discharge duct.
  • a has an amount of -0.7 mm to 8.0 mm (preferably from 0.0 mm to 7.0 mm, particularly preferably from 0.4 mm to 6.5 mm).
  • D has an amount of from 0.4 mm to 12.0 mm (preferably from 0.6 mm to 10.0 mm, more preferably from 0.8 mm to 8.0 mm) and d an amount from 0.2 mm to 2.0 mm (preferably from 0.3 mm to 1, 5 mm, particularly preferably from 0.4 mm to 1, 2 mm).
  • b is an amount of -1.5 mm to 5.0 mm (preferably from -1.0 mm to 3.0 mm, particularly preferably from -0.3 mm to 2.0 mm).
  • the spindle used is a spindle for making roving (ie, yarn that must be subjected to another spinning process before a possible subsequent weaving step)
  • the following values have been found: a: 1, 5 mm to 8.0 mm (preferably: 2.5 mm to 6.5 mm, more preferably: 3.5 mm to 5.5 mm), b: -1, 5 mm to 5.0 mm (preferably: -1, 0 mm to 3 , 0 mm, more preferably: 0.0 mm to 2.0 mm), d: 0.4 mm to 2.0 mm (preferably: 0.5 mm to 1, 2 mm, more preferably: 0.6 mm to 1, 0 mm),
  • D 2.0 mm to 10.0 mm (preferred: 4.0 mm to 8.0 mm, more preferably: 5.0 mm to 7.0 mm).
  • a spindle is used to produce conventional yarn (ie yarn that can be processed into a fabric without further spinning process)
  • the following values have proven particularly advantageous: a: -0.7 mm to 5 , 6 mm (preferred: 0.0 mm to 4.2 mm, more preferably: 0.4 mm up to 3, 1 mm), b: -1, 0 mm to 3.5 mm (preferred: -0.5 mm to 2.75 mm, particularly preferred: -0.25 mm to 2.0 mm), d: 0.3 mm to 1, 2 mm (preferably: 0.4 mm to 0.8 mm, more preferably: 0.5 mm to 0.7 mm),
  • D 0.4 mm to 3.0 mm (preferably: 0.6 mm to 2.0 mm, more preferably: 0.8 mm to 1, 5 mm).
  • b has an amount smaller than half the inner diameter D of the exhaust duct.
  • the respective air nozzle is in this case relatively close to the discharge channel or the inlet opening of the spindle, so that it is ensured that a part of the introduced via the air nozzles air enters the discharge channel.
  • the spinnerets should generally have an air outlet opening which, with respect to the longitudinal axis of the spindle, should lie between the inlet of the vortex chamber and the inlet opening of the spindle.
  • b has an amount which is smaller than the wall thickness of the spindle in a subsequent to the inlet opening cylindrical portion of the spindle.
  • the wall thickness in this case is to be understood with respect to the longitudinal axis of the spindle extending radial thickness of the spindle wall.
  • b has an amount which has between 50% and 90% of the amount of said wall thickness.
  • the air nozzles are formed as bores, with an imaginary rectilinear extension of the respective air nozzle with the spindle, ie with their the discharge channel bounding spindle wall, cuts.
  • said extension through the annular gap of the vortex chamber, without encountering the spindle.
  • the extension having a cylindrical shape can cut the spindle in such a way that the cut surface running perpendicular to the extension has a trough shape.
  • the air nozzles are aligned such that, although the imaginary extension of the spinnerets has a cutting surface with the spindle, the imaginary rectilinear extension of the central axis passes through the spindle, but without cutting them.
  • the extension of the central axis of the respective air nozzle or the extension of the air nozzle itself can intersect with the spindle in the region of its outer surface.
  • the imaginary extension of the respective air nozzle and / or the imaginary extension of the central axis of the respective bore intersects the spindle in the region of its end face. Benefits can also bring with it, especially if the extension of the respective air nozzle cuts the spindle in the region of the front side and in the region of the outer surface.
  • the extension can cut the spindle, for example, first in the region of the front side and in the further course, due to the skewed position of the bore and the discharge channel, in the region of the spindle wall.
  • the air-spinning machine can have one or more of the features described so far or below.
  • the air-spinning machine described so far may have a control and / or regulating unit which is designed to operate the air-spinning machine in accordance with the method described in the context of the present invention.
  • the air introduced into the vortex chamber with the aid of the air nozzles during spinning at least partially encounters an inlet opening of the spindle surrounding end face of the spindle and in this case is divided by the spindle in the manner mentioned.
  • the end face which should generally be formed in a plan view as a ring, acts in this case as a type baffle against which the air strikes and this is divided into the two fractions, which either enter into the annular gap or the discharge channel. While other possibilities of air distribution are not excluded, this possibility can be achieved in terms of design only by the position and orientation of the air nozzles.
  • the air is introduced into the vortex chamber with the aid of the air nozzles during the spinning operation in such a way that the predominant part of the introduced air enters the annular gap.
  • the air flowing in via the air nozzles thus mainly causes the vortex air flow within the vortex chamber required for yarn production, while the remaining portion enters the draw channel and thereby prevents the air flow flowing through the draw channel contrary to the transport direction of the yarn or at least reduces it with respect to the prior art.
  • a maximum of 30%, preferably not more than 10%, more preferably not more than 5%, of the introduced air enters the discharge channel.
  • the remaining part enters the annular gap and finally leaves the spinneret via a corresponding suction.
  • FIG. 1 is a side view of a section of an air-spinning machine
  • FIG. 2 shows a cross-section of a section of a known spinneret
  • FIG. 3 is a sectional view of that shown in FIG.
  • FIGS. 4a, b are sectional views of spinnerets according to the invention.
  • FIG. 5 shows a possible air flow within that shown in FIG. 4b
  • FIG. 6 shows a detail of FIG. 4a
  • FIGS. 7a, b show a plan view of a spinneret in the region of the fiber guiding element
  • Figure 8 is a side view of a section of an air-spinning machine
  • Figure 8 is a plan view of a section of an air-spinning machine.
  • Figure 1 shows a schematic view of a section of an air-spinning machine.
  • the air-spinning machine can be a drafting system with a plurality of drafting rollers 21 and, if necessary, comprise individual straps 22, wherein the drafting system is supplied during the spinning operation with a fiber structure 1, for example in the form of a relined strip conveyor.
  • the air-spinning machine shown comprises one or more spinnerets 2 arranged adjacent to each other, each having an internal swirl chamber 3, in which the fiber structure 1 or at least a part of the fibers of the fiber composite 1 is provided with a rotation (the exact mode of operation of the spinneret 2 will be described below) described in more detail).
  • the air-spinning machine may comprise a plurality of co-operating draw-off rollers 25 and a winding device 25 downstream winding device (not shown), with the aid of which the spinneret 2 via an outlet 26 leaving yarn 27 can be wound onto a sleeve 23 to form a coil 24 ,
  • the air-spinning machine according to the invention need not necessarily have a drafting arrangement, as shown in FIG. Also, the take-off rollers 25 are not mandatory.
  • the spinning machine shown operates on an air spinning process.
  • the fiber structure 1 is guided via an inlet 4, in which preferably a so-called fiber guide element 20 is arranged, into the swirl chamber 3 of the spinneret 2 (see also FIG. 2).
  • a rotation ie at least part of the free fiber ends of the fiber composite 1 is detected by an air flow, which is generated by correspondingly arranged in a vortex chamber 3 surrounding the vortex chamber wall 29 air nozzles 10.
  • a portion of the fibers is hereby pulled out of the fiber structure 1 at least a little bit and wound around the tip of a protruding into the vortex chamber 3 and present as a spindle 6 Garn Strukturselements.
  • the yarn 27 produced can basically be any fiber composite which is characterized in that an outer part of the fibers (so-called binding fibers) is wrapped around an inner, preferably untwisted part of the fibers to give the yarn 27 the desired strength.
  • Roving is a yarn 27 with a relatively small proportion of wraparound fibers, or a yarn 27, in which the wraparound fibers are wound relatively loosely around the inner core, so that the yarn 27 remains deformable. This is crucial if the produced yarn 27 on a subsequent textile machine (for example, a ring spinning machine) is to be distorted again with the help of a drafting system or must, in order to be further processed accordingly.
  • a subsequent textile machine for example, a ring spinning machine
  • the air nozzles 10 it should also be mentioned as a precautionary measure at this point that they should generally be oriented in such a way that together they produce a rectified air flow with a uniform direction of rotation.
  • the individual air nozzles 10 are in this case arranged rotationally symmetrical to one another.
  • FIG. 2 shows that an annular gap 9 is formed between the outer surface 7 of the spindle 6 and the inner wall 8 of the vortex chamber 3 (ie the surface of the vortex chamber wall 29 pointing in the direction of the spindle 6), which is preferably at least largely rotationally symmetrical to the longitudinal axis 11 of the spindle 6 runs.
  • annular gap 9 leaves in the previously known solutions, the entire introduced via the air nozzles 10 air 28, the vortex chamber 3, wherein the air 28 is usually withdrawn via an air suction not shown from the annular gap 9 down (relative to Figure 2) out ,
  • FIG. 3 shows a section of the spinneret 2 shown in FIG. 2 along the sectional plane S.
  • the air nozzles 10 are projected due to the better representability in the cutting plane S. The same applies for the figures 4 to 6 described in more detail below.
  • the air nozzles 10 known in the state of the art are explicitly oriented so that the introduced air 28 passes exclusively into the annular gap 9 between the vortex chamber wall 29 and spindle 6, since one hopes for a particularly homogeneous vortex air flow (this is Incidentally, the reason why the air nozzles 10 known in the prior art open tangentially into the swirl chamber 3).
  • the imaginary extension 16 of the central axis 14 of the respective air nozzle 10 (of which, for reasons of clarity, only one of several is shown in FIGS. 3 to 6) does not cut the spindle wall 17 in this case.
  • While the resulting negative pressure in the area of the fiber guiding element 20 is important for pulling the fiber strand 1 into the spinneret 2 via the inlet 4, it also causes undesirable air flow passing from the outlet 26 of the spinneret 2 through an inner surface 18 of the spinneret 2
  • Spindle 6 limited exhaust duct 12 extends in the direction of the inlet opening 5 of the spindle 6, and has a negative effect on the yarn quality result.
  • the air nozzles 10 are aligned such that the introduced via the air nozzles 10 in the swirl chamber 3 air 28 partially enters the annular gap 9 and partially via the inlet opening 5 in the discharge channel 12.
  • the air nozzles 10 shown in Figures 4a and 4b are shifted in the direction of the discharge channel 12 so that they no longer open tangentially into the swirl chamber 3. While the displacement in Figure 4a was such that the imaginary extension 16 of the central axis 14 of the respective air nozzle 10 extends outside the spindle 6, said extension cuts! 6, the spindle wall 17 in the case of Figure 4b. In both cases, however, the air nozzle 10 is oriented such that its imaginary extension 15 intersects the spindle wall 17. Said extension 15 of the air nozzle 10 and the end face 13 of the spindle 6 thus overlap in the plan view shown in FIGS. 4a and 4b.
  • FIG. 5 The effect of this orientation is shown schematically in FIG. 5, in which the variant shown in FIG. 4b is shown.
  • a portion of the introduced via the air nozzles 10 in the swirl chamber 3 air 28 passes into the annular gap 9, while the remaining part of the air 28 passes into the discharge channel 12.
  • This proportion of the introduced air 28 now causes no or only relatively little air 28 to flow through the withdrawal channel 12 (i.e., from the outlet 26 of the spinneret 2 in the direction of the inlet opening 5 of the spindle 6) against the transport direction of the yarn 27.
  • the production of a yarn 27 with a particularly high quality is possible.
  • FIG. 6 which, for reasons of clarity, only shows a section of a sectional view corresponding to FIGS. 4 and 5.
  • the inner diameter D of the discharge duct 12 in the region of a section following the inlet opening 5 of the spindle 6 is 0.4 mm to 3 in the case of a spindle 6 for spinning conventional yarn.
  • 0 mm and for a spindle 6 for spinning roving has an amount of 2.0 mm to 10.0 mm, wherein the inner diameter d of the spinnerets 2 should preferably have an amount of 0.2 mm to 2.0 mm.
  • the shortest perpendicular to the respective central axis 14 extending distance a between the corresponding central axis 14 and a parallel to this central axis 14 extending and the longitudinal axis 1 1 of the discharge channel 12 reference plane B contained (see Figure 6) an amount having from -0.7 mm to 5.6 mm in spinning conventional yarn and 1.5 to 8.0 mm in spinning roving.
  • This value is in turn composed of half the inner diameter d of the air nozzle 10 and half the inner diameter D of the Discharge channel 12 and a distance b, the amount of -1, 5 mm to 5.0 mm.
  • b should have an amount which is smaller than the amount of the wall thickness W of the spindle wall 17, which is also indicated in FIG.
  • FIG. 6 shows that the air nozzles 10 should preferably be offset by a certain amount and relative to a tangent 19 of the inner wall 8 of the vortex chamber 3 in the direction of the longitudinal axis 11 of the spindle 6.
  • FIGS. 7 and 8 relate to a further advantageous aspect of a new air-spinning machine.
  • the spatial orientation in the majority of the figures is represented by a coordinate system, the multiple representation being dispensed with in the case of figures with the same viewing angle (eg, FIGS. 1 and 8 or 3 to 6 for reasons of clarity).
  • the spinneret 2 is tilted from the position shown in Figures 1 and 8 about the Z-axis, so that the longitudinal axis 1 1 of the spindle 6 and the transport direction of the fiber composite 1 within the drafting system no longer parallel, with a corresponding inclination angle between 0 ° and 15 ° is preferred.
  • the spinneret 2 is tilted about the Y axis or displaced along the Z and / or Y axis.
  • the offset in the direction of the Y-axis should be a maximum of 10 mm, wherein the offset is related to the embodiment in which the drafting passing fiber structure 1 and the longitudinal axis 1 1 of the spindle 6 are co-linear.
  • FIG. 9 This shows in principle a plan view of the section shown in Figure 8, wherein additionally a guide 30 for the fiber structure 1 is shown.
  • the guide 30 serves to guide the fiber composite 1 on its way into or through the drafting system, wherein the guide 30 ensures that the fiber structure 1 on the one hand takes its predetermined path and on the other hand (eg. is laterally compressed by a funnel shape of the guide 30) to a predetermined extent.
  • FIG. 9 shows that it has hitherto been customary to place the spinneret 2 in such a way that the fiber structure 1 enters the spinneret 2 or the inlet 4 of the vortex chamber 3 approximately colinearly with the longitudinal axis 11 of the spindle 6.
  • the amount the displacement should preferably be between 2 mm and 30 mm, d. H. the smallest distance between the longitudinal axis 1 1 of the spindle 6 and a center line of the fiber composite 1 should be between 2 mm and 30 mm.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Abstract

L'invention concerne un métier à filer à jet d'air pour la production d'un fil (27) à partir d'un assemblage de fibres (1). Le métier à filer à jet d'air comprend au moins une filière (2) pourvue d'une chambre de turbulence (3), la chambre de turbulence (3) comportant une entrée (4) pour l'assemblage de fibres (1) pénétrant dans ladite chambre. La filière (2) comprend un élément de formation de fil qui s'étend au moins en partie dans la chambre de turbulence (3) et qui se présente sous la forme d'une broche (6) comportant un orifice d'entrée (5). Une fente annulaire (9) est ménagée entre une surface extérieure (7) de la broche (6) et une paroi intérieure (8), tournée vers la broche (6) de la chambre de turbulence (3). La filière (2) comprend des buses d'air (10) par lesquelles de l'air (28) peut être introduit dans la chambre de turbulence (3), afin d'imprimer un mouvement de rotation à l'assemblage de fibres (1 ) pendant une opération de filage de la filière (2), faisant suite à une procédure de début de filage, dans la zone de l'orifice d'entrée (5) de la broche (6). La broche (6) comporte un canal de levée (12) situé à l'intérieur et présentant un axe longitudinal (11) par lequel le fil (27) peut être levé de la chambre de turbulence (3). Selon l'invention, les buses d'air (10) sont orientées en direction d'une face frontale (13) de la broche (6), laquelle face entoure l'orifice d'entrée (5), de telle manière qu'une partie de l'air (28) introduit par les buses d'air (10) pendant l'opération de filage pénètre dans la fente annulaire (9) et la partie restante de ce même air (28), dans le canal de levée (12).
EP17719720.9A 2016-04-29 2017-04-18 Métier à filer à jet d'air et procédé de production d'un fil Withdrawn EP3449048A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH00568/16A CH712409A1 (de) 2016-04-29 2016-04-29 Luftspinnmaschine sowie Verfahren zur Herstellung eines Garns.
PCT/IB2017/052190 WO2017187293A1 (fr) 2016-04-29 2017-04-18 Métier à filer à jet d'air et procédé de production d'un fil

Publications (1)

Publication Number Publication Date
EP3449048A1 true EP3449048A1 (fr) 2019-03-06

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EP17719720.9A Withdrawn EP3449048A1 (fr) 2016-04-29 2017-04-18 Métier à filer à jet d'air et procédé de production d'un fil

Country Status (6)

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US (1) US10968541B2 (fr)
EP (1) EP3449048A1 (fr)
JP (1) JP7014735B2 (fr)
CN (1) CN109072492B (fr)
CH (1) CH712409A1 (fr)
WO (1) WO2017187293A1 (fr)

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JP2021042508A (ja) * 2019-09-13 2021-03-18 村田機械株式会社 空気紡績装置及び空気紡績機
US11892176B2 (en) 2020-05-28 2024-02-06 Mp Global Products, L.L.C. Universal membrane configured to be divided to form a base membrane and a cover membrane that is couplable to the base membrane to form an uncoupling membrane for installation between a subfloor and floor tiles
US10928075B1 (en) 2020-05-28 2021-02-23 Mp Global Products, L.L.C. Floor heating system including membranes that are configured to be joined together to house a heating cable, and membrane system including such membranes
CN114055867A (zh) * 2020-08-07 2022-02-18 普宁市国兴实业有限公司 一种棉花和稻谷混纺的新型技术面料
EP4043625B1 (fr) * 2021-02-10 2025-04-02 Saurer Intelligent Technology AG Élément de filature

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CN109072492B (zh) 2022-02-18
WO2017187293A1 (fr) 2017-11-02
JP2019516026A (ja) 2019-06-13
CN109072492A (zh) 2018-12-21
CH712409A1 (de) 2017-10-31
US10968541B2 (en) 2021-04-06
JP7014735B2 (ja) 2022-02-01

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