EP3859061A1 - Dispositif de réception d'une mèche de fibres - Google Patents

Dispositif de réception d'une mèche de fibres Download PDF

Info

Publication number
EP3859061A1
EP3859061A1 EP20154601.7A EP20154601A EP3859061A1 EP 3859061 A1 EP3859061 A1 EP 3859061A1 EP 20154601 A EP20154601 A EP 20154601A EP 3859061 A1 EP3859061 A1 EP 3859061A1
Authority
EP
European Patent Office
Prior art keywords
sliver
receiving device
spinning
base body
inlet opening
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.)
Pending
Application number
EP20154601.7A
Other languages
German (de)
English (en)
Inventor
Jochen Dressen
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.)
Saurer Intelligent Technology AG
Original Assignee
Saurer Intelligent Technology 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 Saurer Intelligent Technology AG filed Critical Saurer Intelligent Technology AG
Priority to EP20154601.7A priority Critical patent/EP3859061A1/fr
Priority to JP2022546423A priority patent/JP2023512257A/ja
Priority to PCT/EP2021/051898 priority patent/WO2021151968A1/fr
Priority to US17/759,115 priority patent/US12054856B2/en
Priority to CN202180011535.7A priority patent/CN115003868A/zh
Publication of EP3859061A1 publication Critical patent/EP3859061A1/fr
Pending legal-status Critical Current

Links

Images

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H9/00—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine
    • D01H9/18—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine for supplying bobbins, cores, receptacles, or completed packages to, or transporting from, paying-out or take-up stations ; Arrangements to prevent unwinding of roving from roving bobbins
    • 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

Definitions

  • the invention relates to a sliver pick-up device for feeding a sliver coming from a drafting system to a yarn-forming element of a spinning device, an air-jet spinning device with a sliver pick-up device and a method for forming a sliver pick-up device for feeding a sliver coming from a drafting device to a yarn-forming element of a spinning device.
  • Sliver receiving devices for spinning devices are known in various configurations from the prior art and are commonly used to feed a sliver coming from a drafting system in a controlled manner to a spinneret or a yarn forming element having a spinneret.
  • the sliver receiving devices are typically formed from several components made of different materials.
  • a fiber sliver guide device is typically arranged on a base body and a blown air nozzle is arranged downstream in the fiber sliver direction.
  • An air-jet spinning device is, for example, from DE 10 2008 006 379 A1 known in which the sliver receiving device is formed from several components. Due to the fluid flows used for spinning, on the one hand for transporting the sliver and on the other hand for spinning the sliver into a yarn by means of spinning compressed air, a particularly precise and tight connection must be made between the individual components, which results in a particularly complex and expensive production with very low component tolerances is necessary and, moreover, the assembly of the spinning device is particularly complicated.
  • the devices of the prior art also have the disadvantage that fibers of the sliver are at separation points during transport from the drafting system through the sliver receiving device to the spinneret of the individual components are caught and thereby detached from the sliver, which on the one hand leads to a reduction in the fibers that can be spun into the yarn and thus to a lower efficiency of the device and on the other hand to an accumulation of the detached fibers in the area of the yarn forming element, which then leads to the spinning result worsen and the Can affect the functionality of the device.
  • the invention is therefore based on the object of providing a sliver pick-up device for feeding a sliver coming from a drafting system to a yarn-forming element of a spinning device, an air-jet spinning device and a method for forming a sliver pick-up device which enables a spinning process with high accuracy and efficiency, with the contamination of the Device reduced by detached fibers during operation and at the same time the device can be manufactured and assembled particularly easily, inexpensively and without errors.
  • the invention also relates to a spinning device, in particular an air-jet spinning device, with a spinning nozzle having a spinning cone, a sliver receiving device according to the invention being arranged along the sliver receiving direction in front of the spinning cone or in front of the spinning nozzle.
  • a sliver guide device which is arranged behind an inlet opening and is formed from a single needle, for the defined feeding of the fiber sliver to the yarn forming element is formed in one piece with a base body of the sliver receiving device alternatively, in the case of a sliver guiding device arranged behind an inlet opening and formed from two needles arranged next to one another, a blown air nozzle section for generating a rotating air flow in the spinning device is formed in one piece with a base body of the sliver receiving device.
  • the sliver receiving device advantageously enables a faster, more error-free and more precise production of a yarn from a sliver, in particular due to a more precise and severing point-free structure of the sliver receiving device.
  • a particularly simple, inexpensive and error-free production and assembly is made possible.
  • a sliver receiving device is basically a component or an assembly which supplies fiber material, in particular a sliver coming from a drafting system, in a controlled manner to a spinneret, in particular a spinning cone, or any other yarn forming element.
  • the sliver receiving device can in principle be formed in several pieces as an assembly or in one piece as a single component and from any materials.
  • the sliver receiving device is preferably fixed directly on a spinning device, in particular on an outer housing of a spinning device.
  • the yarn-forming element can in principle be any functional unit or a structural unit composed of one or more components, the yarn-forming element being intended to produce a yarn from individual fibers and in particular from a sliver.
  • the yarn-forming element preferably comprises a spinning nozzle, in particular an air-spinning nozzle, and particularly preferably the yarn-forming element has a spinning cone Air nozzle on.
  • the spinning device is preferably an air-jet spinning device, within which a sliver in the area of a spinning cone and in particular in an area between the end of the sliver guide device and the spinning cone is swirled by a rotating compressed air stream or blown air stream in such a way that a yarn is formed.
  • the sliver receiving device has a base body on which all other structural and component parts of the sliver receiving device are arranged, fixed and / or molded.
  • the base body is preferably formed in one piece.
  • the base body according to the invention has an inlet opening through which the sliver extends.
  • the inlet opening preferably encloses the sliver over the entire circumference.
  • the inlet opening can be arranged exactly in the center or in the area of a central longitudinal axis of the fiber sliver receiving device, and also shifted and / or angled in relation to it.
  • the inlet opening runs parallel and very particularly preferably precisely on the central longitudinal axis of the sliver receiving device.
  • the shape and / or the diameter of the inlet opening are also preferably selected in such a way that the sliver runs guided on all sides and / or can come into contact with a surface of the inlet opening over the entire circumference.
  • the sliver guide device is provided to guide the sliver guided through the inlet opening into the sliver receiving device, at least in sections, in a controlled or defined manner to a yarn forming element.
  • the sliver guide device preferably also acts as a twist stop device, which prevents all of the fibers of the sliver from being swirled in the blown air nozzle section.
  • the sliver guide device enables only the fiber ends protruding from the sliver to be swirled around the fibers in the interior of the sliver.
  • a fiber sliver coming from a drafting device is particularly preferably fed directly to the sliver receiving device, in particular through the inlet opening and / or via the sliver table.
  • the sliver guide device is arranged along the sliver receiving direction behind the inlet opening, that is to say that the Sliver guide device in the sliver transport direction following the inlet opening and / or is arranged in the interior of the sliver receiving device.
  • the sliver guiding device can in principle be formed as desired for guiding the sliver in sections, the sliver receiving device preferably being formed in one piece or from two needles that are each one in one piece.
  • the sliver guide device is furthermore preferably formed entirely as part of the base body and / or in one piece with the base body.
  • the sliver guide device likewise preferably projects out of the base body on one side, in particular on a side opposite the inlet opening, and / or up to or in front of or into the blown air nozzle section.
  • the sliver guide device is preferably arranged at least in sections in front of or in the area of the blown air nozzle section in order to guide the fiber sliver at least in sections in the area of the blown air nozzles and / or to protect it from complete capture and turbulence.
  • the tip of the sliver guide device and in particular the tip of the one or more needles are each arranged directly in front of or in the opening area of an air spinning nozzle and in particular a spinning cone of an air spinning nozzle.
  • the sliver guide device can be formed as a single needle and / or with a single point, the individual needle preferably being rotationally symmetrical in the area of its point and particularly preferably essentially over the entire length. Furthermore, the individual needle is preferably arranged along or in a central longitudinal axis of the inlet opening or as an extension of this central longitudinal axis. According to the invention, the at least one needle is formed in one piece with the base body.
  • the sliver guide device can, however, also be formed as two needles or points arranged next to one another at least in sections, the two needles preferably forming a pair of tweezers.
  • the sliver receiving device is very particularly preferably a tweezer nozzle, in which particularly preferably the two mutually identical needles arranged next to one another form a tweezers.
  • the two needles of the sliver guide device can also be formed with a shape that differs from one another.
  • the two needles arranged next to one another are preferably formed in one piece and particularly preferably in one piece with the base body. Furthermore, the two needles are preferably arranged parallel to one another and / or are of the same length. The two needles are likewise preferably arranged at the same distance from a central longitudinal axis of the inlet opening or from its extension and / or opposite one another in relation to the central longitudinal axis.
  • the blown air nozzle section can in principle be formed by a separate component or a part of another component, in particular the base body of the thread take-up device.
  • the blown air nozzle section is arranged in the direction of the sliver run behind the section of the sliver receiving device having the inlet opening and / or is provided for supplying compressed spinning air.
  • the blown air nozzle section of a sliver guide unit with a single needle is also preferably formed in one piece with the base body.
  • the blown air nozzle section is preferably formed as a nozzle block with at least one, preferably a plurality of blown air nozzles.
  • the nozzle block particularly preferably has a closed jacket section surrounding the at least one blown air nozzle, and the nozzle block is very particularly preferably cylindrical.
  • a plurality of blown air nozzles are preferably distributed over the circumference of the blown air nozzle section, in particular of the nozzle block, the blown air nozzles very particularly preferably being distributed equally spaced from one another along the circumference.
  • the blast air nozzles in the blast air nozzle section are preferably oriented tangentially to a spinning cone in the area of an inlet opening of a spinneret, so that a rotating air flow is established.
  • the orientation of the blast air nozzles is furthermore preferably selected such that the air flow impinges on an inner surface of an expansion housing surrounding the spinning cone in a plane spaced axially from the plane of the inlet opening.
  • the base body and the sliver guiding device are made of an identical one Material formed, the blown air nozzle section being particularly preferably formed from the same material as the base body and / or as the sliver guide device, which enables particularly simple manufacture and at the same time a design free of separation and connection points.
  • the sliver receiving device can consist of any material, the entire sliver receiving device is formed from ceramic in a preferred embodiment, whereby a particularly good guidance of the sliver and a particularly separation and connection point-free surface can be designed in a simple manner.
  • Another embodiment of the fiber tape receiving device according to the invention provides that the fiber tape receiving device has a ceramic coating at least on all fiber-guiding surface sections in order to provide a particularly smooth, stable and resistant surface.
  • at least the surface of the needle or needles and / or of a fiber sliver table has a ceramic coating, with the entire fiber sliver receiving device particularly preferably having a ceramic coating.
  • the sliver receiving device or at least a part thereof has a ceramic coating if the sliver receiving device is formed from a plastic or from metal.
  • the two needles are formed mirror-symmetrically to one another and / or arranged mirror-symmetrically to one another.
  • the two needles can also be arranged rotationally symmetrically and / or mirror-symmetrically to the inlet opening or to a central longitudinal axis of the inlet opening.
  • Such an alignment is particularly preferred when the two needles are each not shaped in a rotationally symmetrical manner, so that the surface of each needle is adapted to its function and arrangement.
  • the entire needle can not be rotationally symmetrical or only a section of the needle, in particular a section of the needle adjoining the base body or a sliver table.
  • a preferred embodiment of the sliver receiving device provides that a sliver table is arranged between the inlet opening and the sliver guide device, over which the sliver can be guided or in the operating state of the Sliver receiving device is guided, wherein the sliver table preferably has a closed and uninterrupted surface.
  • the needle or needles preferably protrude beyond the sliver table and particularly preferably the sliver receiving device has no connection point between the components, particularly in the area of the sliver table and / or in the transition area to the needle or needles.
  • the entire inner contour and in particular the surface of the sliver table and / or the needle or needles is formed without edges and / or angles.
  • the sliver receiving device particularly preferably has continuous transition surfaces between the base body and the needle or needles.
  • the surface of the sliver table can in principle be designed as desired, but it also preferably has no edges and the surface design of the inner contour or the sliver table is particularly preferred in sections or completely helically and / or concave and / or convex.
  • the sliver guide device of the sliver receiving device protrudes at least in sections into the blown air nozzle section and / or in sections into an opening of the spinning cone, whereby a particularly precise guidance can be achieved with sufficient swirling of the fiber ends for yarn formation.
  • the sliver guide device can also end directly in front of the spinning cone in the blast air nozzle section.
  • the sliver receiving device is formed by means of an additive manufacturing method, whereby a fiber sliver receiving device with a complex shape can be manufactured in a simple manner.
  • separating and connecting points can be reliably avoided by means of an additive manufacturing process.
  • Possible additive manufacturing processes can be, for example, 3D printing, Selective Laser Melting (SLM), Electron Beam Melting (EBM), Binder Jetting (BJ), Fused Deposition Modeling (FDM) or laser sintering, in particular with materials made of metal.
  • SLM Selective Laser Melting
  • EBM Electron Beam Melting
  • BJ Binder Jetting
  • FDM Fused Deposition Modeling
  • the workpiece can also be sintered.
  • the sliver receiving device is formed from ceramic and / or by means of stereolithography (SLA) is particularly preferred.
  • the sliver receiving device is to be formed from metal, production by means of laser sintering, in particular selective laser sintering (SLS), is preferred.
  • SLS selective laser sintering
  • the sliver receiving device can also be formed in another way, in particular from metal, and then sintered.
  • the sliver receiving device 1 shown has a one-piece base body 4 and is arranged in an air-jet spinning device opposite a thread-forming element 2 of the air-jet spinning device, the thread-forming element 2 being a Has spinneret 10 with a spinning cone 9.
  • the sliver receiving device 1 has an inlet opening 3 through which a sliver coming from a drafting device can be fed to the sliver receiving device 1.
  • the surface of the sliver receiving device 1 is formed following the inlet opening 3 in the transport direction of the sliver as a sliver table 8 via which the sliver is fed to a sliver guide device 5.
  • the sliver guide device 5 has the function of feeding the sliver to the yarn forming element 2 in a controlled and defined manner.
  • the sliver guide device 5 acts as a twist stop device, which prevents the entire sliver or at least too large portions of the sliver from being swirled during the air-spinning process.
  • the sliver guide device 5 is formed as a tweezer nozzle from two needles 6a, b arranged parallel to one another, the needles 6a, b each being formed in one piece with the base body 4 and extending from the sliver table 8 in the direction of the spinning cone 9.
  • a blown air nozzle section 7 is provided, which is formed in one piece with the base body 4 and is arranged in the region of the yarn forming element 2 (see FIG Figure 3b ).
  • the two needles 6a, b of the sliver guide device 5 extend in sections into the blown air nozzle section 7, so that the rear, free ends of the edge fibers of the sliver, after leaving the sliver guide device 5, are exposed to an air flow in the blower air nozzle section 7 from blown air nozzles 12 Ends are lifted or detached from the sliver.
  • the front ends of the fibers are generally not completely detached, since they are already captured by the wrapping fibers and introduced into the spinneret 10.
  • the free fiber ends detached from the sliver are looped around the spinning cone 9 by a rotating air flow generated by means of the blown air nozzles 12 and subjected to a rotation. Due to the continuous movement of the sliver in the sliver transport direction, the rear free end of the fibers is continuously in a Opening 11 of the spinneret 10 is drawn in, the edge fibers being looped helically around the core fibers of the sliver.
  • a one-piece design of the sliver receiving device 1 is advantageous.
  • the one-piece design prevents leaks between the components, which allows a more precise formation of a rotating air flow in the blown air nozzle section 7.
  • the sliver guide device 5 is formed from two identical needles 6a, b arranged parallel to one another on both sides of the inlet opening 3 in the region of the sliver table 8 (see FIG Figure 3a ).
  • the tips of the needles 6a, b in each case are arranged in the blown air nozzle section 7 in the area of the outlet openings of the blown air nozzles 12.
  • the two needles 6a, b each have a non-rotationally symmetrical shape over the entire length and are in particular flattened on the surface section facing the respectively opposite needle 6a, b.
  • the two needles 6a, b continuously adjoin the surface of the sliver table 8, the two needles 6a, b being arranged opposite one another in mirror symmetry.
  • the sliver table 8 has a curved, edgeless surface.
  • the illustrated second embodiment of a sliver receiving device 1 differs from the first, in Figure 1
  • the illustrated embodiment is largely due to the fact that, on the one hand, the blown air nozzle section 7 with the blown air nozzles 12 is not formed in one piece with the base body 4 and, on the other hand, the sliver guide device 5 is formed from a single needle 6, which is arranged in the entire blown air nozzle section 7 and into the opening 11 the spinneret 10 protrudes.
  • the inlet opening 3 is offset and at the same time arranged parallel to a central longitudinal axis of the base body 4, while the needle 6 extends along this central longitudinal axis.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP20154601.7A 2020-01-30 2020-01-30 Dispositif de réception d'une mèche de fibres Pending EP3859061A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP20154601.7A EP3859061A1 (fr) 2020-01-30 2020-01-30 Dispositif de réception d'une mèche de fibres
JP2022546423A JP2023512257A (ja) 2020-01-30 2021-01-28 スライバ収容装置およびスライバ収容装置を形成する方法
PCT/EP2021/051898 WO2021151968A1 (fr) 2020-01-30 2021-01-28 Dispositif de réception de ruban et procédé de formation associé
US17/759,115 US12054856B2 (en) 2020-01-30 2021-01-28 Sliver receiving device and method for forming same
CN202180011535.7A CN115003868A (zh) 2020-01-30 2021-01-28 纤维条子接收机构及其形成方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20154601.7A EP3859061A1 (fr) 2020-01-30 2020-01-30 Dispositif de réception d'une mèche de fibres

Publications (1)

Publication Number Publication Date
EP3859061A1 true EP3859061A1 (fr) 2021-08-04

Family

ID=69411320

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20154601.7A Pending EP3859061A1 (fr) 2020-01-30 2020-01-30 Dispositif de réception d'une mèche de fibres

Country Status (5)

Country Link
US (1) US12054856B2 (fr)
EP (1) EP3859061A1 (fr)
JP (1) JP2023512257A (fr)
CN (1) CN115003868A (fr)
WO (1) WO2021151968A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4036119A1 (de) * 1989-11-14 1991-05-16 Murata Machinery Ltd Verfahren und vorrichtung zur herstellung gesponnener faeden
DE19603291A1 (de) * 1995-02-10 1996-08-22 Murata Machinery Ltd Luftdüsen-Spinnverfahren und -vorrichtung
EP0854214A2 (fr) * 1997-01-16 1998-07-22 Murata Kikai Kabushiki Kaisha Appareil de filage
EP1217111A2 (fr) * 2000-12-22 2002-06-26 Maschinenfabrik Rieter Ag Dispositif de filage pneumatic
EP2009151A1 (fr) * 2007-06-21 2008-12-31 Murata Machinery, Ltd. Dispositif de filature à jet d'air
DE102008006379A1 (de) 2008-01-29 2009-07-30 Oerlikon Textile Gmbh & Co. Kg Luftspinnvorrichtung

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4635435A (en) * 1984-12-03 1987-01-13 Burlington Industries, Inc. Vacuum spinning from sliver
JP2600417B2 (ja) * 1990-02-20 1997-04-16 村田機械株式会社 紡績装置
JPH0465535A (ja) * 1990-07-04 1992-03-02 Murata Mach Ltd 紡績装置
EP0990719B1 (fr) * 1998-10-02 2003-05-28 W. SCHLAFHORST AG & CO. Métier à filer
DE10261011A1 (de) * 2002-12-17 2004-07-08 Wilhelm Stahlecker Gmbh Vorrichtung zum Herstellen eines gesponnenen Fadens
DE10304823A1 (de) * 2003-01-31 2004-08-12 Wilhelm Stahlecker Gmbh Vorrichtung zum Herstellen eines gesponnenen Fadens
CN2830433Y (zh) * 2005-08-30 2006-10-25 浙江泰坦股份有限公司 喷气纺纱机涡流喷嘴
DE102011053810A1 (de) * 2011-09-21 2013-05-16 Maschinenfabrik Rieter Ag Garnbildungselement für eine Spinnstelle einer Luftspinnmaschine sowie Verfahren zur Vorbereitung eines Anspinnvorgangs an einer Luftspinnmaschine
CH706923A1 (de) * 2012-09-07 2014-03-14 Rieter Ag Maschf Spinnstelle einer Luftspinnmaschine.
EP3318350A1 (fr) * 2016-11-02 2018-05-09 Linde Aktiengesellschaft Procédé de fabrication additive d'un composant tridimensionnel
DE102017122851A1 (de) * 2017-10-02 2019-04-04 Maschinenfabrik Rieter Ag Vorrichtung zum Ansetzen eines Fadens an einer Arbeitsstelle einer Textilmaschine mit einer Saugdüse und mit einem Zubringerorgan
FR3074800B1 (fr) * 2017-12-11 2019-11-01 S.A.S 3Dceram-Sinto Procede de fabrication de pieces en materiau ceramique par la technique des procedes additifs

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4036119A1 (de) * 1989-11-14 1991-05-16 Murata Machinery Ltd Verfahren und vorrichtung zur herstellung gesponnener faeden
DE19603291A1 (de) * 1995-02-10 1996-08-22 Murata Machinery Ltd Luftdüsen-Spinnverfahren und -vorrichtung
EP0854214A2 (fr) * 1997-01-16 1998-07-22 Murata Kikai Kabushiki Kaisha Appareil de filage
EP1217111A2 (fr) * 2000-12-22 2002-06-26 Maschinenfabrik Rieter Ag Dispositif de filage pneumatic
EP2009151A1 (fr) * 2007-06-21 2008-12-31 Murata Machinery, Ltd. Dispositif de filature à jet d'air
DE102008006379A1 (de) 2008-01-29 2009-07-30 Oerlikon Textile Gmbh & Co. Kg Luftspinnvorrichtung

Also Published As

Publication number Publication date
CN115003868A (zh) 2022-09-02
US12054856B2 (en) 2024-08-06
US20230044900A1 (en) 2023-02-09
WO2021151968A1 (fr) 2021-08-05
JP2023512257A (ja) 2023-03-24

Similar Documents

Publication Publication Date Title
EP1223236B1 (fr) Dispositif pour la production d'un fil d'âme
DE4225243C2 (de) Spinnvorrichtung
DE19603291B4 (de) Pneumatische Spinnvorrichtung
EP2329066B1 (fr) Groupe de filature a buse d'air comprenant un composant en forme de broche
EP2671986B1 (fr) Dispositif destiné à texturer et procédé destiné à texturer des fils continus
EP1845180B1 (fr) Composant en forme de broche pour dispositif de filage à jet d'air doté d'un canal d'injection
DE3240485C2 (fr)
EP2454403B1 (fr) Machine à filer à jet d'air
EP0046278B1 (fr) Dispositif pour la fabrication de fils multifilaments entrelacés
DE3411482C2 (fr)
DE4019959C2 (de) Spleißdüsenblock und Fadenspleißverfahren
EP0321885A1 (fr) Tuyère pneumatique pour fausse torsion
DE19926492A1 (de) Spinnvorrichtung
EP3859061A1 (fr) Dispositif de réception d'une mèche de fibres
WO2018087054A1 (fr) Filière pour machine à filer à jet d'air et procédé de fonctionnement de celle-ci
DE3317897C2 (fr)
DE3828319C2 (fr)
DE102020108257A1 (de) Vorrichtung zur Faservereinzelung und Spinneinrichtung umfassend eine solche Vorrichtung
EP3564421A1 (fr) Procédé et dispositif destinés au traitement des fibres
EP2142690B1 (fr) Dispositif de livraison d'un matériau fibreux étiré à un poste de travail d'une machine de traitement des matériaux fibreux
EP3733939A1 (fr) Poste de filature avec une buse de retrait, machine à filer à jet d'air, procédé de fabrication d'un fil et utilisation de la buse de retrait
DE19947894C1 (de) Vorrichtung zum Verwirbeln von Multifilamentgarnen
DE4040733A1 (de) Einrichtung zur herstellung eines materialstranges mit zentraler oeffnung
EP4043625A1 (fr) Élément de filature
DE102017001661A1 (de) Präparationsfadenführer

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20220204

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20230222

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20240624