EP2391750B1 - Dispositif de texturation et procédé de texturation de fils continus - Google Patents

Dispositif de texturation et procédé de texturation de fils continus Download PDF

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Publication number
EP2391750B1
EP2391750B1 EP10700434A EP10700434A EP2391750B1 EP 2391750 B1 EP2391750 B1 EP 2391750B1 EP 10700434 A EP10700434 A EP 10700434A EP 10700434 A EP10700434 A EP 10700434A EP 2391750 B1 EP2391750 B1 EP 2391750B1
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EP
European Patent Office
Prior art keywords
yarn
nozzle core
texturing device
texturing
region
Prior art date
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EP10700434A
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German (de)
English (en)
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EP2391750B2 (fr
EP2391750A1 (fr
Inventor
Christian Simmen
Gotthilf Bertsch
Kurt Klesel
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Heberlein AG
Original Assignee
Oerlikon Heberlein Temco Wattwil AG
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Application filed by Oerlikon Heberlein Temco Wattwil AG filed Critical Oerlikon Heberlein Temco Wattwil AG
Priority to EP13157858.5A priority Critical patent/EP2671986B1/fr
Priority to EP10700434.3A priority patent/EP2391750B2/fr
Publication of EP2391750A1 publication Critical patent/EP2391750A1/fr
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Publication of EP2391750B1 publication Critical patent/EP2391750B1/fr
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    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/16—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using jets or streams of turbulent gases, e.g. air, steam
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/16—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using jets or streams of turbulent gases, e.g. air, steam
    • D02G1/161—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using jets or streams of turbulent gases, e.g. air, steam yarn crimping air jets
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
    • D02J1/08—Interlacing constituent filaments without breakage thereof, e.g. by use of turbulent air streams

Definitions

  • the invention relates to a texturing device and a method for texturing at least one of a plurality of filaments continuous yarn, having the features of the preamble of the independent claims.
  • Texturing of an endless yarn is understood here and below to mean the generation of loops and loops on the continuous yarn, the yarn shortening during this process.
  • a texturing apparatus for airblast texturing with a continuous yarn channel will be described.
  • An exit region of the yarn channel of the nozzle core is designed as a supersonic channel.
  • the air supplied via a compressed air bore is accelerated to a speed of more than Mach 2.
  • a spherical impact body Adjacent to the outlet opening, a spherical impact body is also arranged here.
  • a texturing device for airblast texturing which has an exit region corresponding to the EP 0880611 is designed as a supersonic channel.
  • the air is supplied here via at least one compressed air bore at an angle of 48 ° to 80 ° to the axis of the yarn channel.
  • a spherical impact body is also arranged here.
  • a texturing device for airblast texturing is described, which is formed from a ceramic nozzle core with approximately constant wall thickness and a housing.
  • the ceramic nozzle core performs the central texturing functions, and the composite texturing device has external dimensions that are well-known in the art and thus allow their use as a removable core. This division into nozzle core and housing leads to lower manufacturing costs of the texturing device.
  • the embodiment according to the invention relates to a texturing device for texturing at least one continuous filament consisting of a plurality of filaments.
  • This texturing device has at least one housing and at least one nozzle core, which can be charged with a fluid.
  • the housing and the nozzle core are formed in several parts. It is therefore possible to combine different nozzle cores as exchangeable cores with the housing.
  • the nozzle core contains a yarn channel and at least one with fluid component in the yarn channel opening fluid supply channel.
  • a fluid supply channel opening into the yarn channel with a radial component is understood to mean that the angle between the axis of the feed and the axis of the yarn channel is greater than 0 ° and less than 90 °.
  • the nozzle core contains an exit region of the yarn channel, which can expand, for example, in the thread movement direction, and an entry region with an inlet opening of the yarn channel.
  • the exit or entry area of the nozzle core is understood here and below to mean the areas of the entry or exit of the thread when used as intended.
  • the distance between the inlet opening of the inlet region and the opening into the yarn channel fluid supply channel of the nozzle core is a maximum of 12.5 mm.
  • the position of the inlet opening of the fluid supply channel in the yarn channel is defined so that the farthest point of this inlet opening is taken from the entrance opening of the entrance area as a reference.
  • the region which is located in the thread movement direction in front of the inlet region of the nozzle core, has a radial outer boundary surface. This lies outside of a constricting in the direction of yarn movement cone of 20 °. Preferably, the outer boundary surface is outside a cone of 30 °. In other words, this means that no elements of the nozzle core or a housing carrying the nozzle core lie within the imaginary cone surface.
  • the imaginary conical surface has a radius at least equal to that of the inlet opening at the inlet opening of the nozzle core.
  • the advantage of the shorter compared to the prior art nozzle core consists in a higher possible transmission of the filaments in the texturing.
  • a higher transmission of the filaments has the advantage that the production of thicker continuous yarns is possible.
  • Another advantage of this embodiment is a higher, achievable production speed with the same quality.
  • the area which is located in the thread movement direction in front of the inlet area of the nozzle core, has an extent parallel to the axis of the yarn channel of a maximum of 5 mm.
  • the area has a maximum extension of 4 mm and more preferably of a maximum of 3 mm.
  • a nozzle core of the texturing device according to the invention can be formed in one piece.
  • the nozzle core of the texturing device according to the invention can also be designed in two parts, as in the case of the so-called SlideJet construction according to FIG EP 1618236 B1 .
  • Such a nozzle core may for example have a substantially rectangular yarn channel cross-section in the region in which the fluid supply channel opens into the yarn channel.
  • the two-part nozzle core for example, an open position for threading and have a closed position for the operation of the device.
  • a fluid supply channel opening into such a yarn channel with a substantially rectangular cross section has an angle of greater than 0 ° and less than 180 °, preferably between 30 ° and 150 °, more preferably between 45 ° and 90 ° and most preferably between 48 ° and 80 ° between the yarn passage axis and the fluid supply passage axis.
  • an angle of 45 ° means that a fluid with which the yarn channel can be charged via the fluid supply channel has a flow velocity component of the mean flow parallel to the yarn movement direction.
  • the texturing device according to the invention in one-part or two-part form is suitable for use in a false twist texturing, which is also referred to as false twisting.
  • a false twist texturing which is also referred to as false twisting.
  • the continuous yarn composed of a plurality of filaments is entangled so that a cohesion between the filaments is generated without requiring substantial knot formation between the filaments for cohesion.
  • a preferred embodiment includes a nozzle core having a substantially cylindrical portion with a maximum length of 6 mm between the inlet opening the cylindrical portion and the inlet opening of the opening into the yarn channel fluid supply channel.
  • the entire region which is located in front of the cylindrical region of the nozzle core in the direction of thread movement, has a radial outer boundary surface, which lies outside of a tapering cone of 20 ° in the thread movement direction.
  • the outer boundary surface is outside a cone of 30 °.
  • the shorter compared to the prior art cylindrical region also has an advantageous effect on the possible transmission of the filaments in the texturing and on the achievable production speed.
  • the yarn quality of the continuous yarn increases after the texturing process, i. the loops formed by the texturing process on the continuous yarn vary less in length.
  • the general image of the continuous yarn improves, which is used to evaluate the quality.
  • a particularly preferred embodiment comprises a nozzle core with a yarn channel which narrows in the inlet direction in the thread movement direction.
  • This constriction is preferably conical and includes an opening angle between 30 ° and 120 °.
  • a further preferred embodiment of the invention comprises an additional thread guide for guiding the filaments, which in Thread movement direction is arranged in front of the inlet opening of the nozzle core.
  • a thread guide is understood to mean a device which introduces the filaments of the endless yarn in a predetermined manner into the yarn channel of the nozzle core in accordance with the structural design of the thread guide.
  • Such an arrangement allows the adjustability of the feed of the continuous yarn into the yarn passage of the nozzle core for optimum texturing results for different yarns.
  • This can e.g. be achieved by differently shaped thread guide or the type of installation of the thread guide in front of the nozzle core.
  • the different variants can e.g. be matched to different yarn types or different production speeds.
  • a yarn guide exit and the inlet opening of the fluid supply channel are spaced from each other.
  • the distance to a yarn guide exit is defined by a plane passing through the point of the yarn guide closest to the nozzle core, viewed in the yarn movement direction, which is substantially perpendicular to the axis of the yarn channel.
  • the spaced mounting of the thread guide reduces the contamination in the yarn channel.
  • This contamination is caused, for example, by abrasion of the filaments when they are guided in the thread guide or the nozzle core and are in contact with the thread guide or the nozzle core.
  • the use of the thread guide reduces the contact of the filaments with the nozzle core and thus also the contamination of the yarn channel. This leads to a higher lifetime of the texturing device in production.
  • Another advantage of the spaced mounting is the formation of an opening between yarn guide and nozzle core, which can act as a return flow opening.
  • an opening between yarn guide and nozzle core which can act as a return flow opening.
  • the distance of the thread guide is selectable, for example, by choosing differently dimensioned thread guide, so that a predetermined distance is set during assembly. Another possibility is the use of an adjustable thread guide, so that the distance can be adjusted according to the requirements.
  • the distance between yarn guide exit and the inlet opening of the fluid supply channel is preferably at most 14 mm.
  • the yarn guide has a yarn channel which narrows in the yarn movement direction from the diameter of the inlet opening of the yarn guide to an eye diameter of the yarn guide.
  • constriction of the yarn channel of the yarn guide is conical and encloses an angle between 30 ° and 120 °.
  • the yarn guide is arranged such that the opening between the yarn guide and the housing is formed with the nozzle core in the inlet region as a gap.
  • This gap can be constructed, for example, constructively so that the inlet area of the nozzle core and / or the housing conically narrows and that the thread guide is partially inserted in the inlet area of the nozzle core and / or the housing. Furthermore, at least the outer shape of the part of the yarn guide located in the inlet region of the nozzle core and / or of the housing narrows conically. As a result, between the yarn guide and the nozzle core and / or the housing in the inlet region a gap formed. The outer shape of the thread guide in this area extends in particular substantially parallel to the conically narrowing inlet region of the housing, so that an annular gap is formed.
  • the resulting annular gap has the advantage that the backflow can be effectively absorbed for optimum texturing results.
  • the annular gap may be interrupted by webs substantially parallel to the flow direction.
  • a tapering or widening gap can be formed as needed. This structural design allows the optimal adaptation of the texturing device for different flow conditions in the nozzle core when using different fluids and / or different pressures with which the nozzle core can be charged.
  • the diameter of the yarn guide is smaller than the smallest diameter of the yarn channel of the nozzle core.
  • the nozzle core and the housing are formed so that the nozzle core is changeable connected to the housing.
  • nozzle core is integrated in a screw-on housing, so that a change between different nozzle cores with different structural design is possible.
  • the nozzle core and the housing are formed so that the nozzle core is not changeable connected to the housing 10.
  • This structural design can e.g. be realized in that the nozzle core is pressed or glued into the housing and connected to this, that the nozzle core from the housing can not be separated.
  • Another aspect of the invention relates to a texturing apparatus for texturing at least one continuous filament consisting of a plurality of filaments.
  • This texturing device contains at least one yarn channel into which at least one fluid supply channel opens with a radial component.
  • this texturing device contains an exit region of the yarn channel and an entry region of the yarn channel.
  • the texturing device contains at least one return flow opening for receiving a portion of a flow with component opposite to the thread movement direction.
  • the distance of the return flow opening from the inlet opening of the fluid supply channel with a radial component is preferably at most 14 mm.
  • the position of the return flow opening in the yarn channel is defined so that the closest point of this return flow opening is taken from the inlet opening of the texturing device as a reference.
  • the return flow opening of a return flow channel is located in the thread movement direction between the inlet opening of the texturing device and the inlet opening of the fluid supply channel in the yarn channel.
  • the number of return ports may be selected according to the application in relation to the fluid to be used as well as the pressure of the fluid with which the texturing device is chargeable.
  • the cross-sectional area of the return flow openings is generally greater than the cross-sectional area of the yarn channel of the texturing device at the narrowest point. By cross-sectional area is meant here a section along a plane that is perpendicular to the axis along the return flow opening.
  • the individual distance of the return flow opening from the inlet opening can also be chosen according to the application.
  • the angle between the axis of the return flow channel and the axis of the yarn channel is opposite to the yarn movement direction and is more preferably between 15 ° and 80 °.
  • a preferred embodiment has a return flow opening whose cross-sectional area is at least greater than the cross-sectional area of the yarn channel at the location with the smallest diameter.
  • the cross-sectional area of the yarn channel at the smallest diameter point is understood to mean a section along a plane perpendicular to the axis of the yarn channel.
  • Yet another aspect of the invention relates to a texturing apparatus for texturing at least one continuous filament consisting of a plurality of filaments.
  • This texturing device contains at least one nozzle core that can be charged with a fluid.
  • this texturing device contains at least one yarn channel with at least one fluid supply channel which opens into the yarn channel with a radial component.
  • the texturing device includes an exit region of the yarn channel and an entry region of the yarn channel.
  • a baffle body is included for the exit-side boundary of the yarn channel.
  • the impact body according to the invention has the shape of a spherical cap on the side facing the nozzle core. This one is smaller than a hemisphere. The impact body has on the side facing away from the nozzle core subsequent to the spherical cap a discontinuous transition.
  • Ball calotte is understood to mean a spherical segment which is formed by a plane section through a sphere.
  • a spherical segment is used whose height is smaller than the original radius of the ball from which the spherical cap was made.
  • the height of the spherical cap is defined as the length of a straight line perpendicular to the center of the cutting plane, which contacts the ball segment surface. This perpendicular straight line is oriented substantially parallel to the axis of the yarn channel when the baffle is in an operating position.
  • the unsteady transition arises from the fact that another part of the impact body, which serve to hold the impact body can, is designed constructively so that forms an edge.
  • the unsteady transition forms a tear-off edge of the impact body.
  • the advantage of the trailing edge is a change in the flow conditions in the nozzle exit, so that the texturing device is less susceptible to contamination. This leads to the advantageous effect of longer intervals between necessary cleanings of the texturing device, which thus reduces handling in production.
  • the trailing edge has a distance between 0 mm and 2 mm from a plane defined by the outlet opening.
  • This adjustable distance has the advantage that by selecting the appropriate distance for a combination of yarn, fluid and the pressure of the fluid with which the texturing device can be charged, the susceptibility to fouling of the texturing device can be minimized.
  • the texturing device comprises a set of at least two nozzle cores of different lengths, which are receivable by the housing, for adjusting the distance of the trailing edge of the plane defined by the outlet opening.
  • This embodiment for adjusting the distance has the advantage of avoiding operating errors and the possibility of more robust construction of the support of the impact body with respect to an embodiment according to the prior art with variably adjustable distance of the impact body.
  • the largest diameter of the impact body is at least equal to 0.5 times the diameter of the outlet opening.
  • the endless yarn is first guided through a region of the texturing device which has a radial outer boundary surface, which lies outside of a tapering cone of 20 ° in the thread movement direction. Preferably, this outer boundary surface is outside a cone of 30 °. Subsequently, the endless yarn is passed through an area of the yarn channel of the nozzle core with a maximum length of 12.5 mm. This is the distance between the inlet opening of the nozzle core and the inlet opening of the fluid supply channel in the yarn channel.
  • This method can preferably be carried out with the above-described texturing device according to claims 1 to 10.
  • the fluid flow is divided in the yarn passage of the nozzle body into a fluid flow with component in the yarn movement direction and into a fluid flow with component opposite to the yarn movement direction.
  • the countercurrent fluid flow is at least partially removed by a radial component return flow port located upstream of the fluid supply passage in the direction of yarn travel.
  • the distance is a maximum of 14 mm between the inlet opening of the fluid supply channel and the return flow opening.
  • the textured endless yarn is removed via the impact body, on the side facing the nozzle core in the form of a spherical cap has, which is smaller than a hemisphere and on the side facing away from the nozzle core then has a discontinuous transition subsequent to the spherical cap.
  • the method includes the replacement of at least two nozzle cores of different lengths, which are receivable by the housing. These are exchanged to adjust the distance of the trailing edge of the impact body from the plane defined by the outlet opening.
  • Fig. 1a shows a texturing device 1 according to the invention
  • Fig. 1b is an enlarged view of the nozzle core Fig. 1a shown.
  • the texturing device comprises a housing 10 with a rotationally symmetrical nozzle core 20.
  • This nozzle core 20 is usually made of ceramic or high-grade metals.
  • the nozzle core 20 has a yarn channel 21 with a length 11 of 16 mm.
  • the yarn channel 21 has an inlet region 24 with an inlet opening 25. This inlet region 24 narrows conically with an angle A1 of 60 °.
  • the yarn channel 21 then has a substantially cylindrical region 26 in the thread movement direction with a diameter d11 of 1.1 mm and with an opening 28 for the fluid supply 22.
  • the distance d3 between the inlet opening 27 into the cylindrical region 26 and the inlet opening 28 of the fluid supply channel 22 is 4 mm.
  • the distance d1 between the inlet opening 28 and the inlet opening 25 is 6 mm.
  • the area of the yarn channel 21 adjoining it in the thread movement direction expands to the diameter d7 of 12 mm of the exit opening 29. In this widening area the flow is accelerated to a speed so that the texturing of the endless yarn can take place.
  • a region 11 which is delimited by the housing 10 and conically narrows at an angle of 60 °. Within the area 11, there are no parts of the housing 10.
  • a yarn guide 40 is mounted in front of the inlet opening 25, so that it is partially inserted into the area 11 and a gap with the diameter d5 is formed between the outer boundary surface 12 of the inlet region 11 and the outer boundary surface 44 of the yarn guide.
  • This gap with the diameter d5 forms a return flow opening 50.
  • the cross-sectional area of this return flow opening 50 should be adjusted so that it is larger than the cross-sectional area of the cylindrical area 26. Adjustable, the cross-sectional area of the return flow opening 50 by the change in the distance d2 between the inlet opening 28 and the yarn guide exit 41.
  • the distance d2 is 7 mm.
  • the yarn guide 40 has a yarn channel 42 which conically narrows conically at an angle A2 of 60 ° to the diameter d6 of 1 mm.
  • the nozzle core facing side of the thread guide 40 has a yarn guide exit 41st
  • a baffle 60 with a length 12 of 12 mm and a diameter d4 of 9 mm is fastened in a baffle holder 63.
  • This baffle holder 63 is located in the thread moving direction behind the exit region 23 of the nozzle core.
  • the baffle holder 63 is structurally designed so that the baffle body 60 can be swung out. It is e.g. possible to pivot the baffle 60 into an operative position, i. the axis parallel to the length 12 is parallel to the axis of the yarn channel 21 of the nozzle body 20. Another possible position of the impact body 60 is e.g. a swung position. This allows better access to the nozzle body 20 for e.g. Cleaning purposes or replacement of the nozzle body 20.
  • the baffle body 60 is formed on the outlet opening 29 side facing as spherical cap 61 with a height h1 of 1.9 mm and has a tear-off edge 62.
  • This tear-off edge 62 has a distance d9 of 0.7 mm from the exit opening 29.
  • Fig. 1c shows a further embodiment of a novel texturing device 1. This shows in contrast to Fig. 1a a nozzle core 20 which is pressed into the housing 10 and thus is no longer changeable.
  • Fig. 2 shows an alternative section through the texturing device 1, which in Fig. 1 is described. In this illustration, the fluid supply channel 22 with the inlet opening 28 is better visible.
  • the housing 10, which accommodates the nozzle core 20, is constructed in such a way that a connection for a fluid supply to the housing 10 is connected to the fluid supply channel 22 so that the nozzle core 20 can be charged with a fluid via the fluid supply channel 22.
  • the housing may allow the direct connection of a fluid supply to the fluid supply channel 22, so that the nozzle core 20 can be charged with a fluid.
  • Fig. 3 shows comparative experiments on the achievable yarn quality of various inventive texturing device 1 with respect to a texturing device T311, which corresponds to the prior art according to the EP 0088254 A2 ,
  • Fig. 4 shows comparative experiments of the achievable production speed and the achievable tradition with a novel texturing device 1 with respect to the texturing devices T311 (according to FIG EP 0088254 A2 ), A317 (according to WO 2004/085722 A1 ) and S315 (according to EP 0880611 A1 ).
  • the maximum achievable speed with which the continuous yarn can be guided by the texturing device 1 according to the invention increases according to the tests by up to 18% compared to the A317.
  • the maximum achievable transmission with the inventive texturing device 1 improves by up to 50% compared to the T311.
  • Fig. 5 shows calculations of the mass flow in the texturing device 1 compared to the prior art according to the A317.
  • Air the so-called inlet
  • This mass flow is divided into a component in the thread movement direction, the flow, and in a component opposite to the thread movement direction, the return flow.
  • This return flow can be divided into an outflow through the return flow opening 50 and the return flow passage 51 and a flow through the yarn guide exit 41.
  • the entire backflow acts as a flow resistance on the filaments.
  • the texturing device 1 according to the invention with the return flow opening 50, part of the return flow is discharged via the return flow opening 50. This leads to the already described advantages of the structural design of the texturing device 1 with a return flow channel 51.
  • the diameter of the oedes d6 should preferably be smaller than the diameter d11 of the cylindrical portion 26 of the yarn channel 21.
  • Fig. 6 shows a perspective view of the texturing device 1 as in Fig. 1 described.
  • the baffle 60 is swung out, for example, to thread the endless yarn or to clean the texturing device.
  • the housing 10 and the outlet region 23 with the outlet opening 29 are visible.
  • the rotationally symmetric character to. Yarn channel axis of the exit region 23 and the yarn channel 21 can be seen.
  • Fig. 7 shows a further perspective view of the texturing device 1 as in Fig. 1 described.
  • the baffle 60 is in a position that this occupies, for example, during operation.
  • Fig. 8 shows a texturing device 1 according to the invention with a housing 10, a nozzle core 20 and a yarn guide 40 as in Fig. 1 described.
  • the textured endless yarn is discharged here after the texturing over a spherical baffle 60 without trailing edge.
  • the baffle holder 63 is not shown.
  • Fig. 9 shows a section of a novel texturing device 1 with a nozzle core 20.
  • the structural design of the yarn channel 21 of the nozzle core 20 corresponds to the prior art according to the EP 0880611 .
  • the removal of the textured endless yarn takes place here via an impact body 60 according to the invention with a tear-off edge 61. This leads to the minimization of the susceptibility to fouling of the texturing but no increase in production speed.
  • Fig. 10 schematically shows a nozzle core 20 with a structural design of the yarn channel 21 according to the prior art according to the EP 0880611 A1 ,
  • the fluid is supplied via the fluid supply channel 22 with the inlet opening 28 in the yarn channel 21.
  • a channel which has the function of a return flow channel 51 there exists here between the inlet opening 25 and the fluid supply channel 22 for the fluid with the inlet opening 28, a channel which has the function of a return flow channel 51.
  • the distance d10 of the return flow opening 50 from the inlet opening 28 is preferably less than 14 mm.
  • the angle A3 between the axis of the return flow channel 51 and the axis of the yarn channel 21 points opposite to the yarn movement direction and is between 15 ° and 80 °.
  • the fluid 70 is supplied via the fluid supply channel 22.
  • a flow divides into a part with component in the direction of yarn movement, the flow 71, and in a component opposite to the thread movement direction, the return flow 72, up.
  • the return flow 72 is divided into a discharge 73 through the return flow opening 50 and an outflow 74 through the inlet opening 25 of the yarn passage 21.
  • This division leads to the partial discharge of the flow with component opposite to the thread movement direction via the return flow opening 50 and the return flow channel 51.
  • the separate discharge of a portion of the return flow through the return flow channel 51 also has the effect of a producible production speed and an increase in the quality of the textured endless yarn.
  • the baffle 60 corresponds to the prior art and has no spoiler edge.
  • Fig. 11 shows an additional embodiment of a novel texturing device 1.
  • a housing 10 receives the nozzle core 20.
  • the nozzle core 20 has a yarn channel 21 which corresponds to the in Fig. 1b
  • Yarn channel 21 shown corresponds to a fluid supply 22.
  • a region 11 is located in the thread movement direction in front of an inlet region 24 with an inlet opening 25th
  • the area 11 has here in contrast to eg Fig. 1a no outer boundary surface formed by the housing that conically narrows. In the direction of yarn movement in front of the inlet region 24 of the nozzle core 20, the region 11 has an extension parallel to the axis of the yarn channel of 2.9 mm.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Looms (AREA)

Claims (15)

  1. Dispositif de texturation (1) destiné à texturer au moins un fil sans fin constitué de plusieurs filaments, le dispositif comptant au moins un boîtier (10) et au moins une âme de tuyère (20),
    l'âme de tuyère (20) pouvant être alimentée et présentant
    un canal (21) pour fil,
    au moins un canal (22) d'amenée de fluide qui débouche avec une composante radiale dans le canal pour fil,
    une partie de sortie (23) du canal (21) pour fil et
    une partie d'entrée (24) dotée d'une ouverture d'entrée (25) dans le canal (21) pour fil caractérisé en ce que
    la distance (d1) entre l'ouverture d'entrée (25) de la partie d'entrée (24) et le canal (22) d'amenée de fluide qui débouche dans le canal (21) pour fil de l'âme de tuyère (20) vaut au plus 12,5 mm et
    en ce que la totalité de la partie (11) située en amont de la partie d'entrée (24) de l'âme de tuyère (20) dans la direction de déplacement du fil est délimitée par une surface extérieure radiale (12) située à l'extérieur d'un cône de 20° qui se rétrécit dans la direction de déplacement du fil et de préférence à l'extérieur d'un cône de 30°, le cône possédant un rayon au moins égal à celui de l'ouverture d'entrée (25) au niveau de l'ouverture d'entrée (25) de l'âme de tuyère (20).
  2. Dispositif de texturation (1) selon la revendication 1, caractérisé en ce que la totalité de la partie (11) située en amont de la partie d'entrée (24) de l'âme de tuyère (20) dans la direction d'un déplacement du fil présente parallèlement à l'axe du canal pour fil une extension d'au plus 5 mm, de préférence d'au plus 4 mm et de façon particulièrement préférable d'au plus 3 mm.
  3. Dispositif de texturation, notamment selon les revendications 1 ou 2, caractérisé en ce que l'âme de tuyère (20) possède une partie essentiellement cylindrique (26) d'une longueur (d3) d'au plus 6 mm entre l'ouverture d'entrée (27) de la partie cylindrique (26) et l'ouverture d'entrée (28) du canal (22) d'amenée de fluide qui débouche dans le canal (21) pour fil et en ce que la totalité de la partie (24) située en amont de la partie cylindrique (26) de l'âme de tuyère (20) dans la direction de déplacement du fil est délimitée par une surface radiale extérieure (12) située à l'extérieur d'un cône de 20° qui se rétrécit dans la direction de déplacement du fil et de préférence à l'extérieur d'un cône de 30°.
  4. Dispositif de texturation selon l'une des revendications 1 à 3, caractérisé en ce que le canal (21) pour fil de l'âme de tuyère (20) se rétrécit dans la partie d'entrée (24) dans la direction de déplacement du fil, de préférence par un rétrécissement conique dont l'angle d'ouverture (A1) est compris entre 30° et 120°.
  5. Dispositif de texturation selon l'une des revendications 1 à 4, caractérisé en ce qu'un guide-fil (40) qui guide les filaments dans la direction de déplacement du fil est disposé en amont de l'ouverture d'entrée (25) de l'âme de tuyère (20).
  6. Dispositif de texturation selon l'une des revendications 1 à 5, caractérisé en ce qu'une sortie (41) de guide-fil et l'ouverture d'entrée (28) du canal (22) d'amenée de fluide sont disposées à distance mutuelle.
  7. Dispositif de texturation selon la revendication 6, caractérisé en ce que la distance entre la sortie (41) du guide-fil et l'ouverture d'entrée (28) du canal (22) d'amenée de fluide est de préférence d'au plus 14 mm.
  8. Dispositif de texturation selon l'une des revendications 5 à 7, caractérisé en ce que le guide-fil (40) présente un canal (42) pour fil qui se rétrécit dans la direction de déplacement du fil depuis le diamètre de l'ouverture d'entrée du guide-fil (40) jusqu'au diamètre (d6) d'un oeillet du guide-fil (40).
  9. Dispositif de texturation selon l'une des revendications 1 à 8, caractérisé en ce que le rétrécissement du canal (42) pour fil du guide-fil (40) est conique et forme un angle (A2) compris entre 30° et 120°.
  10. Dispositif de texturation selon l'une des revendications 1 à 9, caractérisé en ce que le guide-fil (40) est disposé de telle sorte qu'un interstice soit formé entre le guide-fil (40) et le boîtier (10) avec l'âme de tuyère (20) dans la partie d'entrée (11).
  11. Dispositif de texturation selon l'une des revendications 1 à 10, caractérisé en ce que le diamètre (d6) de l'oeillet du guide-fil est inférieur au plus petit diamètre (d11) de l'âme de tuyère (20).
  12. Dispositif de texturation selon l'une des revendications 1 à 11, caractérisé en ce que l'âme de tuyère (20) est reliée de manière remplaçable au boîtier (10).
  13. Dispositif de texturation selon l'une des revendications 1 à 11, caractérisé en ce que l'âme de tuyère (20) est reliée de manière non remplaçable au boîtier (10).
  14. Procédé de texturation d'au moins un fil sans fin constitué de plusieurs filaments, en particulier à l'aide d'un dispositif de texturation (1) selon l'une des revendications 1 à 13, le procédé étant constitué des étapes qui consistent à :
    amener un fil sans fin au-dessus d'une partie (11),
    alimenter le dispositif de texturation (1) en un fluide par au moins un canal (22) d'amenée de fluide qui débouche avec une composante radiale dans le canal pour fil,
    évacuer le fil texturé dans sa partie de sortie (23),
    et dans lequel
    le fil sans fin est guidé à travers une partie (11) du dispositif de texturation (1) délimitée par une surface radiale extérieure (12) située à l'extérieur d'un cône de 20° qui se rétrécit dans la direction de déplacement du fil et de préférence à l'extérieur d'un cône de 30°, le cône ayant un rayon au moins égal à celui de l'ouverture d'entrée (25) au niveau d'une ouverture d'entrée (25) de l'âme de tuyère (20) et
    ensuite, le fil sans fin est guidé dans une partie située entre l'ouverture d'entrée (25) de l'âme de tuyère (20) et l'ouverture d'entrée (28) du canal (22) d'amenée de fluide dans le canal (21) pour fil du dispositif de texturation (1), la partie présentant une longueur (d1) d'au plus 12,5 mm.
  15. Procédé de texturation d'au moins un fil sans fin constitué de plusieurs filaments, en particulier à l'aide d'un dispositif de texturation (1) selon l'une des revendications 1 à 13, le procédé étant constitué des étapes qui consistent à :
    amener un fil sans fin au-dessus d'une partie d'entrée (24),
    alimenter le dispositif de texturation (1) en un fluide par au moins un canal (22) d'amenée de fluide qui débouche avec une composante radiale dans le canal pour fil,
    évacuer le fil texturé dans sa partie de sortie (23),
    un écoulement de fluide étant divisé dans le dispositif de texturation (1) en un écoulement de fluide avec une composante dans la direction de déplacement du fil et en un écoulement de fluide avec une composante opposée à la direction de déplacement du fil, l'écoulement de fluide présentant la composante opposée étant évacué au moins en partie par une ouverture (50) de renvoi d'écoulement avec une composante radiale qui est située en amont du canal (22) d'amenée de fluide dans la direction de déplacement du fil et en particulier à une distance (d10) d'au plus 14 mm entre l'ouverture d'entrée (28) du canal (22) d'amenée de fluide et l'ouverture (50) de renvoi d'écoulement.
EP10700434.3A 2009-01-30 2010-01-19 Dispositif de texturation et procédé de texturation de fils continus Active EP2391750B2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP13157858.5A EP2671986B1 (fr) 2009-01-30 2010-01-19 Dispositif destiné à texturer et procédé destiné à texturer des fils continus
EP10700434.3A EP2391750B2 (fr) 2009-01-30 2010-01-19 Dispositif de texturation et procédé de texturation de fils continus

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP09151762A EP2213774A1 (fr) 2009-01-30 2009-01-30 Dispositif destiné à texturer et procédé destiné à texturer des fils continus
PCT/EP2010/050584 WO2010086258A1 (fr) 2009-01-30 2010-01-19 Dispositif de texturation et procédé de texturation de fils continus
EP10700434.3A EP2391750B2 (fr) 2009-01-30 2010-01-19 Dispositif de texturation et procédé de texturation de fils continus

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP13157858.5A Division-Into EP2671986B1 (fr) 2009-01-30 2010-01-19 Dispositif destiné à texturer et procédé destiné à texturer des fils continus
EP13157858.5A Division EP2671986B1 (fr) 2009-01-30 2010-01-19 Dispositif destiné à texturer et procédé destiné à texturer des fils continus

Publications (3)

Publication Number Publication Date
EP2391750A1 EP2391750A1 (fr) 2011-12-07
EP2391750B1 true EP2391750B1 (fr) 2013-03-06
EP2391750B2 EP2391750B2 (fr) 2017-05-31

Family

ID=40934130

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EP09151762A Withdrawn EP2213774A1 (fr) 2009-01-30 2009-01-30 Dispositif destiné à texturer et procédé destiné à texturer des fils continus
EP13157858.5A Active EP2671986B1 (fr) 2009-01-30 2010-01-19 Dispositif destiné à texturer et procédé destiné à texturer des fils continus
EP10700434.3A Active EP2391750B2 (fr) 2009-01-30 2010-01-19 Dispositif de texturation et procédé de texturation de fils continus

Family Applications Before (2)

Application Number Title Priority Date Filing Date
EP09151762A Withdrawn EP2213774A1 (fr) 2009-01-30 2009-01-30 Dispositif destiné à texturer et procédé destiné à texturer des fils continus
EP13157858.5A Active EP2671986B1 (fr) 2009-01-30 2010-01-19 Dispositif destiné à texturer et procédé destiné à texturer des fils continus

Country Status (8)

Country Link
US (1) US8726474B2 (fr)
EP (3) EP2213774A1 (fr)
JP (1) JP5744757B2 (fr)
KR (1) KR101737646B1 (fr)
CN (3) CN201883219U (fr)
BR (1) BRPI1007941A2 (fr)
TW (1) TWI521109B (fr)
WO (1) WO2010086258A1 (fr)

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EP2213774A1 (fr) * 2009-01-30 2010-08-04 Oerlikon Heberlein Temco Wattwil AG Dispositif destiné à texturer et procédé destiné à texturer des fils continus
DE102013003408A1 (de) 2013-02-28 2014-08-28 Oerlikon Textile Gmbh & Co. Kg Vorrichtung zum pneumatischen Fördern und Führen eines multifilen Fadens
DE102013011888A1 (de) * 2013-07-17 2015-01-22 Oerlikon Textile Gmbh & Co. Kg Vorrichtung zur Wärmebehandlung eines laufenden Faserstranges
ES2750149T3 (es) * 2013-12-19 2020-03-25 Heberlein Ag Boquilla y procedimiento para producir hilado flameado
CN105887258A (zh) * 2014-09-18 2016-08-24 江苏宝丽斯新材料有限公司 空气变形丝喷嘴
EP3337920B1 (fr) * 2015-06-30 2019-08-14 Heberlein AG Pièce de mise en forme pour un noyau de filière, noyau de filière et dispositif de frisage pour frisage par bourrage, kit d'équipement, dispositif d'arrêt et élément de mise en place, et procédé correspondant
JP7470635B2 (ja) * 2017-08-31 2024-04-18 オウェンス コーニング インテレクチュアル キャピタル リミテッド ライアビリティ カンパニー ストランド材料のテキスチャ化装置
EP3564421A1 (fr) 2018-05-02 2019-11-06 Heberlein AG Procédé et dispositif destinés au traitement des fibres
DE102019001545A1 (de) * 2019-03-05 2020-09-10 Oerlikon Textile Gmbh & Co. Kg Verwirbelungsvorrichtung zum Verwirbeln eines synthetischen, multifilen Fadens
US11708648B2 (en) * 2020-05-05 2023-07-25 Columbia Insurance Company Aspirator for manipulating filaments

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Also Published As

Publication number Publication date
TWI521109B (zh) 2016-02-11
EP2391750B2 (fr) 2017-05-31
JP2012516394A (ja) 2012-07-19
CN101792947A (zh) 2010-08-04
KR20110117205A (ko) 2011-10-26
BRPI1007941A2 (pt) 2016-02-23
EP2213774A1 (fr) 2010-08-04
WO2010086258A1 (fr) 2010-08-05
KR101737646B1 (ko) 2017-05-18
US20110277285A1 (en) 2011-11-17
US8726474B2 (en) 2014-05-20
EP2391750A1 (fr) 2011-12-07
CN101792947B (zh) 2014-06-04
TW201033421A (en) 2010-09-16
EP2671986A3 (fr) 2015-01-14
EP2671986B1 (fr) 2019-03-06
JP5744757B2 (ja) 2015-07-08
CN104018262B (zh) 2017-05-10
EP2671986A2 (fr) 2013-12-11
CN201883219U (zh) 2011-06-29
CN104018262A (zh) 2014-09-03

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