EP0441925B1 - Device for blow-texturing at least one multi-filament yarn - Google Patents

Device for blow-texturing at least one multi-filament yarn Download PDF

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Publication number
EP0441925B1
EP0441925B1 EP90912362A EP90912362A EP0441925B1 EP 0441925 B1 EP0441925 B1 EP 0441925B1 EP 90912362 A EP90912362 A EP 90912362A EP 90912362 A EP90912362 A EP 90912362A EP 0441925 B1 EP0441925 B1 EP 0441925B1
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EP
European Patent Office
Prior art keywords
needle body
bore
sleeve
guide body
housing
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.)
Expired - Lifetime
Application number
EP90912362A
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German (de)
French (fr)
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EP0441925A1 (en
Inventor
Christian Simmen
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.)
Heberlein AG
Heberlein and Co AG
Original Assignee
Heberlein and Co AG
Heberlein Maschinenfabrik AG
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Publication date
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Publication of EP0441925A1 publication Critical patent/EP0441925A1/en
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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

Definitions

  • the invention relates to a device for blast texturing of at least one multifilament yarn, with a guide body which contains a through-bore which has a conical section on an inlet side, and with a needle body which has a continuous yarn channel which is approximately coaxially aligned with the bore of the guide body contains, extends with one end into said conical section and has a conical circumferential surface on this end, which forms a passage gap for a blowing medium with the wall of the conical section, the axial position of the guide body with respect to the needle body being fixed in that the The guide body and the needle body are pressed against one another by a force load in the axial direction, a feed hole for the blowing medium opening into the annular space surrounding the needle body in front of the passage gap, and an impact body being held on the outlet side of the bore of the guide body lten is.
  • the passage gap for the blowing medium between the needle body and the guide body should have a predetermined width depending on the titer of the yarn, which is in the range of approximately 0.12 to 0.4 mm.
  • the width of the passage gap should always have its optimal value, the is fixed by the specified fixation of the axial position of the guide body with respect to the needle body.
  • the object of the invention is generally to design the device specified at the outset in such a way that a high and uniform texturing quality is achieved and is guaranteed over a long period of time.
  • the object is achieved in that the needle body is guided displaceably in a sleeve and is held in a housing which is axially displaceable on the sleeve by a bayonet lock and in that the force load mentioned is caused by springs acting between the housing and the sleeve and in operation is generated by the pressure of the blowing medium, which acts between the housing and a flange on the sleeve.
  • the invention therefore dispenses with making the guide body and the needle body axially adjustable with respect to one another, but instead presses the two bodies against one another with a preferably elastic force of a predetermined size. This inevitably results in a passage gap of predetermined, constant width between the needle body and the guide body. In addition, it is possible without difficulty to hold the two bodies in such a way that the wall of the conical section of the bore in the guide body and the conical peripheral surface on the needle body are exactly coaxial with one another.
  • the bayonet catch is easy to remove for removing the needle body from the housing.
  • the action of the springs which generate a force to press the guide body and the needle body against one another, is supported in operation by the pressure of the blowing medium.
  • the impact body is preferably also not axially adjustable with respect to the guide body by the distance to be able to adjust between the outlet mouth of the bore of the guide body and the impact body.
  • the impact body can be exchangeably held on a holder and can also be pivoted into a threading position that is distant from the outlet opening of the bore of the guide body.
  • the device for blowing texturing of a multifilament yarn (or simultaneously of two or more multifilament yarns) shown schematically in FIGS. 1 to 4 has a guide body 1, for example made of ceramic material, which contains a through hole for the passage of multifilament yarn and blowing medium.
  • This bore has a conical section 2 on an inlet side.
  • the apex angle of the conical shape is in the usual way between 30 and 120 °, for example as shown at about 60 °.
  • the device has a needle body 3 which contains a continuous yarn channel 4 which is approximately coaxially aligned with the bore of the guide body 1.
  • the needle body 3 extends at one end into the conical section 2 of the bore of the guide body 1 and has on this end a conical peripheral surface 5 which forms a passage gap 6 for the blowing medium with the wall of the conical section 2.
  • the passage gap 6 should have a precisely predetermined width, which depends on the titer of the yarn to be textured to run through the yarn channel 4 and is in the range of approximately 0.12 to 0.4 mm.
  • the axial position of the guide body 1 with respect to the needle body 3 is fixed in accordance with the invention in that the guide body 1 and the needle body 3 are pressed against one another in the axial direction by a force load.
  • the guide body 1 and the needle body 3 are guided with their peripheral surfaces in a cylindrical sleeve 7 and touch one another, in the preferred manner, directly on an annular surface 8.
  • annular surface 8 between the two Bodies 1 and 3 it is also possible on the annular surface 8 between the two Bodies 1 and 3, for example, to arrange a washer of predetermined thickness, which can be exchangeable.
  • the annular contact surface 8 could also be conical in order to additionally center the two bodies 1 and 3 with respect to one another.
  • the guide body 1 rests on a flange 7.1 of the sleeve 7, while the needle body 3 is held in a housing 9 guided on the outside of the sleeve 7, for example by means of a bayonet lock as described below.
  • a pin 10 which extends into a bore in a flange 7.2 of the sleeve 7 in order to prevent rotation of the housing 9 with respect to the sleeve 7.
  • compression springs 11 and 12 (FIGS. 2, 3) are arranged, which bear against the flange 7.2 of the sleeve 7 and press the sleeve 7 with respect to the housing 9 in FIGS. 1 and 2 to the right.
  • a connecting line 14 leads from a compressed air connection 13 in the housing 9 to the left side of the flange 7.2 acting as a piston, so that the pressure of the blown air supplied also pushes the sleeve 7 to the right with respect to the housing 9. (The connecting line 14 is not visible in FIG.
  • the compressed air connection 13 of the housing 9 is connected via a lateral opening 15 in the sleeve 7 to a circumferential recess 16 in the needle body 3. From this recess 16 an axially parallel feed bore 17 for the blown air emerges, which opens into the annular space 18 surrounding the needle body 3 in front of the passage gap 6.
  • a bushing 19, for example made of hard metal or ceramic material, is arranged in the feed bore 17 and, as shown in FIG. 2, has a rounded inlet edge.
  • an impact body 20 is arranged, which, for example, has the shape of a cylindrical sleeve as shown.
  • the sleeve 20 is held interchangeably on a mandrel 21 which is seated in a body 23 which can be pivoted about an axis 22.
  • the pivot axis 22 is fixed in a on the sleeve 7 Holder 24 held.
  • a compression spring 25 is also arranged, which presses a ball 26 into a recess 27 in the body 23.
  • the body 23 is fixed with the mandrel 21 in the operating position shown, in which the sleeve 20 serving as a baffle body has a predetermined small distance from the outlet opening of the bore of the guide body 1.
  • This distance can be changed in that the sleeve 20 is exchanged for another sleeve with a larger or smaller outside diameter.
  • the body 23 with the mandrel 21 - after overcoming the force of the compression spring 25 - can be pivoted about the axis 22 into a threading position, in which the ball 26 into a second locking recess 28 snaps into the body 23.
  • the sleeve 20 serving as an impact body is then removed from the guide body 1, so that a suction gun can be placed in front of its outlet mouth.
  • the needle body 3 is, as already mentioned, held in the housing 9 by means of a bayonet catch.
  • the needle body 3 carries two radial projections 29 and 30 which engage behind inward radial projections 31 and 32 of a bayonet ring 33 held in the housing 9.
  • the bayonet ring 33 is detachably arranged in the housing 9 and held, for example, by means of a snap ring 34.
  • the yarn G emerging from the outlet mouth of the bore of the guide body 1 and impinging on the impact body 20 is deflected on the impact body 20 so that it moves away from the axis of the yarn channel 4 and the bore of the guide body 1 in one direction, as shown in FIG. 2 which is approximately diametrically opposite to the direction from the axis to the air supply bore 17.
  • the yarn G then runs around in the view according to FIG. 2 below the impact body 20 around and is pulled upwards. If the device described is arranged in a texturing machine in such a way that the yarn G in the view according to FIG.
  • the needle body 3 can be in a position opposite to that shown for this purpose position rotated by 180 ° about the axis can be inserted into the sleeve 7.
  • the bayonet lock can be designed such that the needle body 3 can only be used in one position.
  • the projection 31 of the bayonet ring 33 is measured in the circumferential direction wider than the projection 32.
  • the projections 29 and 30 of the needle body 3 have a distance from each other on one side (right in Fig. 4), which is the Width of the projection 31 corresponds, and on the other side (left in Fig. 4) a smaller distance, which corresponds to the width of the projection 32.
  • the needle body 3 can therefore only be used in a position in which the larger distance between the projections 29 and 30 is aligned with the wider projection 31, and then rotated by 90 ° into the position shown.
  • This rotation is 90 °, for example, by stops 29.1 and 30.1 arranged on the projections 29 and 30, which cooperate with the projections 31 and 32, respectively limited.
  • the bayonet ring 33 (after removing the snap ring 34) has to be removed from the housing 9 and rotated by 180 ° again.
  • the two positions of the bayonet ring 33 rotated with respect to one another by 180 ° are fixed, for example, by a cam 33.1 on the bayonet ring 33, which is received in one of two diametrically opposite recesses 9.1 and 9.2 in the housing 9.
  • FIG. 5 shows a variant on a larger scale in a view corresponding to a section from FIG. 1.
  • the needle body 3 ' is in direct contact with the guide body 1; However, the needle body 3 'does not touch the end face of the guide body 1, but the wall of the conical bore section 2.
  • projections 3.1, 3.2, 3.3 are arranged over the circumference, which protrude from the wall of the conical bore section 2 concerns.
  • the width of the passage gap 6 between the peripheral surface 5 and the wall of the bore section 2 corresponds exactly to the height of the projections 3.1, 3.2, 3.3.
  • the axis 22, about which the impact body 20 with its mandrel 21 and the body 23 can be pivoted is arranged transversely to the axis of the guide body 1 and the needle body 3, ie it crosses this axis approximately perpendicular.
  • the impact body 20 could also be pivotable about a differently arranged axis between the position at a predetermined small distance in front of the outlet opening of the bore of the guide body and a threading position remote from this outlet opening.
  • the pivot axis 22 ' is mounted in a holder 24' fastened on the sleeve 7.
  • a compression spring 25 ' is arranged in a bore in the holder 24' and presses a ball 26 'into a notch 27' in the pivot axis 22 '.
  • the body 23 'with the axis 22' can be pivoted into the position shown in broken lines in FIG. 8, in which the ball 26 'engages in a second locking notch 28' in the axis 22 '.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Knitting Machines (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Abstract

The device has a guide unit (1) enclosing a through hole with a conical inlet section (2). A needle unit (3) encloses a through yarn passage (4) arranged coaxially with the hole in the guide unit (1). One end of the needle unit (3) extends into the conical inlet section (2) and has a conical peripheral area (5) which, with the wall of the inlet section (2), forms a slot (6) for a blowing agent. The blowing agent is fed through a drilling (17) opening into the annular space (18) surrounding the needle unit (3) in front of the slot (6). The guide unit (1) and the needle unit (3) are pressed together by an elastic load, e.g. springs (11, 12). This arrangement accurately fixes the axial position of the guide unit (1) in relation to the needle unit (3), while the width of the slot (6) is accurately predetermined and unchangeable.

Description

Die Erfindung bezieht sich auf eine Einrichtung zum Blastexturieren wenigstens eines Multifilamentgarns, mit einem Leitkörper, der eine durchgehende Bohrung enthält, welche auf einer Einlasseite einen konischen Abschnitt aufweist, und mit einem Nadelkörper, der einen durchgehenden, mit der Bohrung des Leitkörpers etwa koaxial ausgerichteten Garnkanal enthält, sich mit einem Ende in den genannten konischen Abschnitt erstreckt und auf diesem Ende eine konische Umfangsfläche aufweist, welche mit der Wand des konischen Abschnittes einen Durchtrittsspalt für ein Blasmedium bildet, wobei die axiale Lage des Leitkörpers bezüglich des Nadelkörpers dadurch fixiert ist, dass der Leitkörper und der Nadelkörper durch eine Kraftbelastung in axialer Richtung gegeneinandergepresst sind, wobei in den den Nadelkörper umgebenden Ringraum vor dem Durchtrittsspalt eine Zufuhrbohrung für das Blasmedium mündet und wobei auf der Austrittsseite der Bohrung des Leitkörpers ein Prallkörper gehalten ist.The invention relates to a device for blast texturing of at least one multifilament yarn, with a guide body which contains a through-bore which has a conical section on an inlet side, and with a needle body which has a continuous yarn channel which is approximately coaxially aligned with the bore of the guide body contains, extends with one end into said conical section and has a conical circumferential surface on this end, which forms a passage gap for a blowing medium with the wall of the conical section, the axial position of the guide body with respect to the needle body being fixed in that the The guide body and the needle body are pressed against one another by a force load in the axial direction, a feed hole for the blowing medium opening into the annular space surrounding the needle body in front of the passage gap, and an impact body being held on the outlet side of the bore of the guide body lten is.

Für die Erzielung einer befriedigenden Texturierwirkung in einer solchen Einrichtung ist eine hohe Ueberlieferung erforderlich. Mit Ueberlieferung wird das Verhältnis zwischen der Geschwindigkeit des durch den Garnkanal hindurch zulaufenden Garns und der Abzugsgeschwindigkeit des aus der Bohrung des Leitkörpers austretenden und am Prallkörper abgelenkten texturierten Garns bezeichnet. Um eine hohe Ueberlieferung zu ermöglichen, sollte der Durchtrittsspalt für das Blasmedium zwischen dem Nadelkörper und dem Leitkörper abhängig vom Titer des Garns jeweils eine vorbestimmte Weite haben, die im Bereich von etwa 0,12 bis 0,4 mm liegt. Bei einem gegebenen Garntiter sollte die Weite des Durchtrittsspaltes stets konstant ihren optimalen Wert haben, der durch die angegebene Fixierung der axialen Lage des Leitkörpers bezüglich des Nadelkörpers festgelegt ist.A high level of tradition is required to achieve a satisfactory texturing effect in such a facility. The relationship between the speed of the yarn running through the yarn channel and the take-off speed of the textured yarn emerging from the bore of the guide body and deflected on the impact body is designated by tradition. In order to enable a high transmission, the passage gap for the blowing medium between the needle body and the guide body should have a predetermined width depending on the titer of the yarn, which is in the range of approximately 0.12 to 0.4 mm. For a given yarn titer, the width of the passage gap should always have its optimal value, the is fixed by the specified fixation of the axial position of the guide body with respect to the needle body.

Es kann aus verschiedenen Gründen wünschbar oder erforderlich sein, den Nadelkörper vorübergehend aus der Einrichtung auszubauen.For various reasons, it may be desirable or necessary to temporarily remove the needle body from the device.

In einer bekannten Blastexturiereinrichtung, in welcher der Nadelkörper durch Federkraft gegen den Leitkörper gedrückt ist (DE-B-1230171), sind ein Teil des Nadelkörpers und der Leitkörper über Gewinde in ein Gehäuse geschraubt, wobei der Nadelkörperteil zusätzlich durch eine Gegenmutter gesichert ist. In dieser Einrichtung ist das Ausbauen und Einbauen des Nadelkörpers relativ umständlich und zeitaufwendig, insbesondere wenn bedacht wird, dass eine Texturiermaschine in der Regel eine Vielzahl von Texturiereinrichtungen enthält.In a known blow texturing device, in which the needle body is pressed against the guide body by spring force (DE-B-1230171), a part of the needle body and the guide body are screwed into a housing by means of threads, the needle body part being additionally secured by a lock nut. In this device, the removal and installation of the needle body is relatively cumbersome and time-consuming, especially when it is considered that a texturing machine generally contains a large number of texturing devices.

Die Aufgabe der Erfindung besteht allgemein darin, die eingangs angegebene Einrichtung derart auszubilden, dass
   eine hohe und gleichmässige Texturierqualität erzielt wird und auch über längere Zeiträume dauernd gewährleistet ist.The object of the invention is generally to design the device specified at the outset in such a way that
a high and uniform texturing quality is achieved and is guaranteed over a long period of time.

In der erfindungsgemässen Einrichtung wird die Aufgabe dadurch gelöst, dass der Nadelkörper in einer Hülse verschiebbar geführt ist und durch einen Bajonettverschluss in einem auf der Hülse axial verschiebbaren Gehäuse gehalten ist und dass die genannte Kraftbelastung durch zwischen dem Gehäuse und der Hülse wirkende Federn sowie im Betrieb durch den Druck des Blasmediums erzeugt ist, das zwischen dem Gehäuse und einem Flansch auf der Hülse wirkt.In the device according to the invention, the object is achieved in that the needle body is guided displaceably in a sleeve and is held in a housing which is axially displaceable on the sleeve by a bayonet lock and in that the force load mentioned is caused by springs acting between the housing and the sleeve and in operation is generated by the pressure of the blowing medium, which acts between the housing and a flange on the sleeve.

Die Erfindung verzichtet also darauf, den Leitkörper und den Nadelkörper bezüglich einander axial verstellbar zu machen, sondern presst stattdessen die beiden Körper mit einer vorzugsweise elastischen Kraft vorbestimmter Grösse gegeneinander. Dadurch ergibt sich zwangsläufig ein Durchtrittsspalt vorbestimmter, gleichbleibender Weite zwischen dem Nadelkörper und dem Leitkörper. Ausserdem ist es ohne Schwierigkeiten möglich, die beiden Körper so zu halten, dass die Wand des konischen Abschnittes der Bohrung im Leitkörper und die konische Umfangsfläche auf dem Nadelkörper zueinander genau koaxial sind.The invention therefore dispenses with making the guide body and the needle body axially adjustable with respect to one another, but instead presses the two bodies against one another with a preferably elastic force of a predetermined size. This inevitably results in a passage gap of predetermined, constant width between the needle body and the guide body. In addition, it is possible without difficulty to hold the two bodies in such a way that the wall of the conical section of the bore in the guide body and the conical peripheral surface on the needle body are exactly coaxial with one another.

Der Bajonettverschluss ist für den Ausbau des Nadelkörpers aus dem Gehäuse leicht lösbar. Die Wirkung der Federn, welche eine Kraftbelastung zum Gegeneinanderpressen des Leitkörpers und des Nadelkörpers erzeugen, wird im Betrieb durch den Druck des Blasmediums unterstützt.The bayonet catch is easy to remove for removing the needle body from the housing. The action of the springs, which generate a force to press the guide body and the needle body against one another, is supported in operation by the pressure of the blowing medium.

Aus Gründen der Präzision und Stabilität ist vorzugsweise auch der Prallkörper nicht bezüglich des Leitkörpers axial verstellbar, um den Abstand zwischen der Austrittsmündung der Bohrung des Leitkörpers und dem Prallkörper einstellen zu können. Stattdessen kann der Prallkörper auswechselbar und ausserdem in eine von der Austrittsmündung der Bohrung des Leitkörpers entfernte Einfädelstellung schwenkbar an einem Halter gehalten sein.For reasons of precision and stability, the impact body is preferably also not axially adjustable with respect to the guide body by the distance to be able to adjust between the outlet mouth of the bore of the guide body and the impact body. Instead, the impact body can be exchangeably held on a holder and can also be pivoted into a threading position that is distant from the outlet opening of the bore of the guide body.

Ausführungsbeispiele der erfindungsgemässen Einrichtung werden nachstehend anhand der Zeichnungen näher erläutert. In diesen zeigen:

  • Fig. 1 schematisch einen Längsschnitt durch eine Blastexturiereinrichtung,
  • Fig. 2 einen bezüglich Fig. 1 um 90° gedrehten Längsschnitt durch die Einrichtung,
  • Fig. 3 einen Querschnitt nach der Linie III-III in Fig. 1,
  • Fig. 4 einen Querschnitt nach der linie IV-IV in Fig. 1,
  • Fig. 5 in einer Ansicht, die einem Ausschnitt aus Fig. 1 entspricht, in grösserem Massstab eine Variante der Einrichtung und
  • Fig. 6 einen Querschnitt nach der Linie VI-VI in Fig. 5,
  • Fig. 7 in einer ähnlichen Ansicht wie Fig. 1 - in etwas kleinerem Massstab - den Austrittsbereich einer anderen Variante der Blastexturiereinrichtung und
  • Fig. 8 eine Ansicht der Variante gemäss Fig. 7 von links in Fig. 7.
Exemplary embodiments of the device according to the invention are explained in more detail below with reference to the drawings. In these show:
  • 1 schematically shows a longitudinal section through a blowing texturing device,
  • 2 shows a longitudinal section through 90 ° rotated with respect to FIG. 1,
  • 3 shows a cross section along the line III-III in FIG. 1,
  • 4 shows a cross section along the line IV-IV in FIG. 1,
  • Fig. 5 in a view corresponding to a section of Fig. 1, on a larger scale a variant of the device and
  • 6 shows a cross section along the line VI-VI in FIG. 5,
  • Fig. 7 in a view similar to Fig. 1 - on a somewhat smaller scale - the exit area of another variant of the blow texturing device and
  • 8 shows a view of the variant according to FIG. 7 from the left in FIG. 7.

Die in den Fig. 1 bis 4 schematisch dargestellte Einrichtung zum Blastexturieren eines Multifilamentgarns (oder gleichzeitig von zwei oder mehreren Multifilamentgarnen) besitzt einen beispielsweise aus Keramikmaterial bestehenden Leitkörper 1, der eine durchgehende Bohrung für den Durchtritt von Multifilamentgarn und Blasmedium enthält. Diese Bohrung hat auf einer Einlasseite einen konischen Abschnitt 2. Der Scheitelwinkel der Konusform liegt in der üblichen Weise zwischen 30 und 120°, z.B. wie gezeichnet bei etwa 60°.The device for blowing texturing of a multifilament yarn (or simultaneously of two or more multifilament yarns) shown schematically in FIGS. 1 to 4 has a guide body 1, for example made of ceramic material, which contains a through hole for the passage of multifilament yarn and blowing medium. This bore has a conical section 2 on an inlet side. The apex angle of the conical shape is in the usual way between 30 and 120 °, for example as shown at about 60 °.

Weiter besitzt die Einrichtung einen Nadelkörper 3, der einen durchgehenden, mit der Bohrung des Leitkörpers 1 etwa koaxial ausgerichteten Garnkanal 4 enthält. Der Nadelkörper 3 erstreckt sich mit einem Ende in den konischen Abschnitt 2 der Bohrung des Leitkörpers 1 hinein und weist auf diesem Ende eine konische Umfangsfläche 5 auf, die mit der Wand des konischen Abschnittes 2 einen Durchtrittsspalt 6 für das Blasmedium bildet.Furthermore, the device has a needle body 3 which contains a continuous yarn channel 4 which is approximately coaxially aligned with the bore of the guide body 1. The needle body 3 extends at one end into the conical section 2 of the bore of the guide body 1 and has on this end a conical peripheral surface 5 which forms a passage gap 6 for the blowing medium with the wall of the conical section 2.

Der Durchtrittsspalt 6 sollte eine genau vorbestimmte Weite haben, die vom Titer des durch den Garnkanal 4 zulaufenden zu texturierenden Garns abhängt und im Bereich von etwa 0,12 bis 0,4 mm liegt. Um diese genau vorbestimmte Weite des Durchtrittsspaltes 6 zu gewährleisten, ist erfindungsgemäss die axiale Lage des Leitkörpers 1 bezüglich des Nadelkörpers 3 dadurch fixiert, dass der Leitkörper 1 und der Nadelkörper 3 durch eine Kraftbelastung in axialer Richtung gegeneinandergepresst sind. In der dargestellten Ausführungsform sind der Leitkörper 1 und der Nadelkörper 3 mit ihren Umfangsflächen in einer zylindrischen Hülse 7 geführt und berühren einander, in der bevorzugten Weise direkt, auf einer Kreisringfläche 8. Es ist aber gewünschtenfalls auch möglich, auf der Kreisringfläche 8 zwischen den beiden Körpern 1 und 3 z.B. eine Beilegescheibe vorbestimmter Dicke anzuordnen, welche auswechselbar sein kann. Die ringförmige Berührungsfläche 8 könnte auch konisch sein, um die beiden Körper 1 und 3 zusätzlich bezüglich einander zu zentrieren. Der Leitkörper 1 liegt an einem Flansch 7.1 der Hülse 7 an, während der Nadelkörper 3 in einem auf der Aussenseite der Hülse 7 geführten Gehäuse 9 gehalten ist, z.B. wie im Nachstehenden beschrieben mittels eines Bajonettverschlusses. In einer Bohrung im Gehäuse 9 sitzt ein Stift 10, der sich in eine Bohrung in einem Flansch 7.2 der Hülse 7 erstreckt, um eine Verdrehung des Gehäuses 9 bezüglich der Hülse 7 zu verhindern. In zwei weiteren Bohrungen im Gehäuse 9 sind Druckfedern 11 und 12 (Fig. 2, 3) angeordnet, die an dem Flansch 7.2 der Hülse 7 anliegen und die Hülse 7 bezüglich des Gehäuses 9 in Fig. 1 und 2 nach rechts drücken. Zusätzlich führt von einem Druckluftanschluss 13 im Gehäuse 9 eine Verbindungsleitung 14 auf die linke Seite des als Kolben wirkenden Flansches 7.2, so dass der Druck der zugeführten Blasluft die Hülse 7 ebenfalls bezüglich des Gehäuses 9 nach rechts drückt. (Die Verbindungsleitung 14 ist in Fig. 3 nicht sichtbar, ihre Lage ist hier jedoch mit einer strich-punktierten Linie angedeutet.) In dieser Weise ist also der am Flansch 7.1 der Hülse 7 anliegende Leitkörper 1 durch eine elastische Kraftbelastung gegen den im Gehäuse 9 gehaltenen Nadelkörper 3 gepresst.The passage gap 6 should have a precisely predetermined width, which depends on the titer of the yarn to be textured to run through the yarn channel 4 and is in the range of approximately 0.12 to 0.4 mm. In order to ensure this precisely predetermined width of the passage gap 6, the axial position of the guide body 1 with respect to the needle body 3 is fixed in accordance with the invention in that the guide body 1 and the needle body 3 are pressed against one another in the axial direction by a force load. In the embodiment shown, the guide body 1 and the needle body 3 are guided with their peripheral surfaces in a cylindrical sleeve 7 and touch one another, in the preferred manner, directly on an annular surface 8. However, if desired, it is also possible on the annular surface 8 between the two Bodies 1 and 3, for example, to arrange a washer of predetermined thickness, which can be exchangeable. The annular contact surface 8 could also be conical in order to additionally center the two bodies 1 and 3 with respect to one another. The guide body 1 rests on a flange 7.1 of the sleeve 7, while the needle body 3 is held in a housing 9 guided on the outside of the sleeve 7, for example by means of a bayonet lock as described below. In a bore in the housing 9 there is a pin 10 which extends into a bore in a flange 7.2 of the sleeve 7 in order to prevent rotation of the housing 9 with respect to the sleeve 7. In two more Bores in the housing 9, compression springs 11 and 12 (FIGS. 2, 3) are arranged, which bear against the flange 7.2 of the sleeve 7 and press the sleeve 7 with respect to the housing 9 in FIGS. 1 and 2 to the right. In addition, a connecting line 14 leads from a compressed air connection 13 in the housing 9 to the left side of the flange 7.2 acting as a piston, so that the pressure of the blown air supplied also pushes the sleeve 7 to the right with respect to the housing 9. (The connecting line 14 is not visible in FIG. 3, but its position is indicated here by a dash-dotted line.) In this way, the guide body 1 resting on the flange 7.1 of the sleeve 7 is subjected to an elastic force load against the one in the housing 9 held needle body 3 pressed.

Der Druckluftanschluss 13 des Gehäuses 9 steht über eine seitliche Oeffnung 15 in der Hülse 7 mit einer in Umfangsrichtung verlaufenden Ausnehmung 16 im Nadelkörper 3 in Verbindung. Von dieser Ausnehmung 16 geht eine achsparallele Zufuhrbohrung 17 für die Blasluft aus, welche in den den Nadelkörper 3 umgebenden Ringraum 18 vor dem Durchtrittsspalt 6 mündet. In der Zufuhrbohrung 17 ist eine beispielsweise aus Hartmetall oder Keramikmaterial bestehende Büchse 19 angeordnet, welche wie in Fig. 2 dargestellt einen gerundeten Einlassrand aufweist.The compressed air connection 13 of the housing 9 is connected via a lateral opening 15 in the sleeve 7 to a circumferential recess 16 in the needle body 3. From this recess 16 an axially parallel feed bore 17 for the blown air emerges, which opens into the annular space 18 surrounding the needle body 3 in front of the passage gap 6. A bushing 19, for example made of hard metal or ceramic material, is arranged in the feed bore 17 and, as shown in FIG. 2, has a rounded inlet edge.

Auf der Austrittsseite der Bohrung des Leitkörpers 1, d.h. in Strömungsrichtung der Blasluft und Laufrichtung des Garns nach der Austrittsmündung der Bohrung des Leitkörpers 1, ist ein Prallkörper 20 angeordnet, der beispielsweise wie dargestellt die Form einer zylindrischen Hülse hat. Die Hülse 20 ist auswechselbar auf einem Dorn 21 gehalten, welcher in einem um eine Achse 22 schwenkbaren Körper 23 sitzt. Die Schwenkachse 22 ist in einem auf der Hülse 7 befestigten Halter 24 gehalten. In einer Bohrung im Halter 24 ist ferner eine Druckfeder 25 angeordnet, welche eine Kugel 26 in eine Rastausnehmung 27 im Körper 23 drückt. Dadurch ist der Körper 23 mit dem Dorn 21 in der dargestellten Betriebsstellung fixiert, in welcher die als Prallkörper dienende Hülse 20 von der Austrittsmündung der Bohrung des Leitkörpers 1 einen vorbestimmten kleinen Abstand hat. Dieser Abstand kann dadurch geändert werden, dass die Hülse 20 gegen eine andere Hülse mit grösserem oder kleinerem Aussendurchmesser ausgewechselt wird. Für das Einfädeln eines neuen Multifilamentgarns durch den Garnkanal 4 und die Bohrung des Leitkörpers 1 kann der Körper 23 mit dem Dorn 21 - nach Ueberwindung der Kraft der Druckfeder 25 - um die Achse 22 in eine Einfädelstellung geschwenkt werden, in der die Kugel 26 in eine zweite Rastausnehmung 28 im Körper 23 einrastet. Die als Prallkörper dienende Hülse 20 ist dann vom Leitkörper 1 entfernt, so dass eine Saugpistole vor dessen Austrittsmündung gebracht werden kann.On the outlet side of the bore of the guide body 1, ie in the flow direction of the blown air and the direction of the yarn after the outlet mouth of the bore of the guide body 1, an impact body 20 is arranged, which, for example, has the shape of a cylindrical sleeve as shown. The sleeve 20 is held interchangeably on a mandrel 21 which is seated in a body 23 which can be pivoted about an axis 22. The pivot axis 22 is fixed in a on the sleeve 7 Holder 24 held. In a bore in the holder 24, a compression spring 25 is also arranged, which presses a ball 26 into a recess 27 in the body 23. As a result, the body 23 is fixed with the mandrel 21 in the operating position shown, in which the sleeve 20 serving as a baffle body has a predetermined small distance from the outlet opening of the bore of the guide body 1. This distance can be changed in that the sleeve 20 is exchanged for another sleeve with a larger or smaller outside diameter. For threading a new multifilament yarn through the yarn channel 4 and the bore of the guide body 1, the body 23 with the mandrel 21 - after overcoming the force of the compression spring 25 - can be pivoted about the axis 22 into a threading position, in which the ball 26 into a second locking recess 28 snaps into the body 23. The sleeve 20 serving as an impact body is then removed from the guide body 1, so that a suction gun can be placed in front of its outlet mouth.

In der dargestellten Ausführungsform ist der Nadelkörper 3 wie schon erwähnt mittels eines Bajonettverschlusses im Gehäuse 9 gehalten. Der Nadelkörper 3 trägt zwei radiale Vorsprünge 29 und 30, die hinter nach innen gerichtete radiale Vorsprünge 31 bzw. 32 eines im Gehäuse 9 gehaltenen Bajonettringes 33 greifen. Der Bajonettring 33 ist im Gehäuse 9 lösbar angeordnet und beispielsweise mittels eines Sprengrings 34 gehalten.In the embodiment shown, the needle body 3 is, as already mentioned, held in the housing 9 by means of a bayonet catch. The needle body 3 carries two radial projections 29 and 30 which engage behind inward radial projections 31 and 32 of a bayonet ring 33 held in the housing 9. The bayonet ring 33 is detachably arranged in the housing 9 and held, for example, by means of a snap ring 34.

Das aus der Austrittsmündung der Bohrung des Leitkörpers 1 austretende und auf den Prallkörper 20 auftreffende Garn G wird am Prallkörper 2o so abgelenkt, dass es sich von der Achse des Garnkanals 4 und der Bohrung des Leitkörpers 1 wie in Fig. 2 gezeigt in einer Richtung wegbewegt, die der Richtung von der Achse zur Luftzufuhrbohrung 17 etwa diametral gegenüberliegt. Das Garn G läuft dann in der Ansicht gemäss Fig. 2 unten um den Prallkörper 20 herum und wird nach oben abgezogen. Wenn die beschriebene Einrichtung in einer Texturiermaschine so angeordnet ist, dass das Garn G in der Ansicht gemäss Fig. 2 oben um den Prallkörper 20 herumlaufen und dann nach unten abgezogen werden sollte, dann kann zu diesem Zweck der Nadelkörper 3 in einer gegenüber der dargestellten Stellung um 180° um die Achse verdrehten Stellung in die Hülse 7 eingesetzt werden. Das ist dadurch möglich, dass sich die Ausnehmung 16 im Nadelkörper 3 etwa symmetrisch bezüglich der Luftzufuhrbohrung 17 in Umfangsrichtung über einen Winkel α (Fig. 3) von 180 bis 270° erstreckt, so dass diese Ausnehmung 16 sowohl in der dargestellten Stellung des Nadelkörpers 3 als auch in der um 180° verdrehten Stellung desselben mit der seitlichen Lufteintrittsöffnung 15 der Hülse 7 kommuniziert. Um jedoch dafür zu sorgen, dass der Nadelkörper 3 nicht versehentlich in der um 180° verdrehten Stellung in die Hülse 7 eingesetzt wird, kann der Bajonettverschluss so ausgebildet sein, dass der Nadelkörper 3 nur in einer Stellung eingesetzt werden kann. Wie aus Fig. 4 zu ersehen ist, ist der Vorsprung 31 des Bajonettringes 33 in Umfangsrichtung gemessen breiter als der Vorsprung 32. Die Vorsprünge 29 und 30 des Nadelkörpers 3 haben voneinander auf einer Seite (rechts in Fig. 4) einen Abstand, welcher der Breite des Vorsprungs 31 entspricht, und auf der anderen Seite (links in Fig. 4) einen kleineren Abstand, welcher der Breite des Vorsprungs 32 entspricht. Der Nadelkörper 3 kann daher nur in einer Stellung eingesetzt werden, in welcher der grössere Abstand zwischen den Vorsprüngen 29 und 30 auf den breiteren Vorsprung 31 ausgerichtet ist, und dann um 90° in die gezeichnete Stellung gedreht werden. Diese Drehung ist z.B. durch auf den Vorsprüngen 29 und 30 angeordnete Anschläge 29.1 bzw. 30.1, welche mit den Vorsprüngen 31 bzw. 32 zusammenwirken, auf 90° begrenzt. Um den Nadelkörper 3 in der um 180° verdrehten Stellung einsetzen zu können, muss der Bajonettring 33 (nach Entfernen des Sprengrings 34) aus dem Gehäuse 9 herausgenommen und um 180° verdreht wieder in dieses eingesetzt werden. Die beiden bezüglich einander um 180° verdrehten Stellungen des Bajonettrings 33 sind beispielsweise durch einen Nocken 33.1 am Bajonettring 33 festgelegt, der in einer von zwei einander diametral gegenüberliegenden Ausnehmungen 9.1 bzw. 9.2 im Gehäuse 9 aufgenommen wird.The yarn G emerging from the outlet mouth of the bore of the guide body 1 and impinging on the impact body 20 is deflected on the impact body 20 so that it moves away from the axis of the yarn channel 4 and the bore of the guide body 1 in one direction, as shown in FIG. 2 which is approximately diametrically opposite to the direction from the axis to the air supply bore 17. The yarn G then runs around in the view according to FIG. 2 below the impact body 20 around and is pulled upwards. If the device described is arranged in a texturing machine in such a way that the yarn G in the view according to FIG. 2 should run around the impact body 20 at the top and then be pulled off downwards, then the needle body 3 can be in a position opposite to that shown for this purpose position rotated by 180 ° about the axis can be inserted into the sleeve 7. This is possible because the recess 16 in the needle body 3 extends approximately symmetrically with respect to the air supply bore 17 in the circumferential direction over an angle α (FIG. 3) of 180 to 270 °, so that this recess 16 both in the illustrated position of the needle body 3 and also communicates with the side air inlet opening 15 of the sleeve 7 in the same position rotated by 180 °. However, in order to ensure that the needle body 3 is not accidentally inserted into the sleeve 7 in the position rotated by 180 °, the bayonet lock can be designed such that the needle body 3 can only be used in one position. As can be seen from Fig. 4, the projection 31 of the bayonet ring 33 is measured in the circumferential direction wider than the projection 32. The projections 29 and 30 of the needle body 3 have a distance from each other on one side (right in Fig. 4), which is the Width of the projection 31 corresponds, and on the other side (left in Fig. 4) a smaller distance, which corresponds to the width of the projection 32. The needle body 3 can therefore only be used in a position in which the larger distance between the projections 29 and 30 is aligned with the wider projection 31, and then rotated by 90 ° into the position shown. This rotation is 90 °, for example, by stops 29.1 and 30.1 arranged on the projections 29 and 30, which cooperate with the projections 31 and 32, respectively limited. In order to be able to insert the needle body 3 in the position rotated by 180 °, the bayonet ring 33 (after removing the snap ring 34) has to be removed from the housing 9 and rotated by 180 ° again. The two positions of the bayonet ring 33 rotated with respect to one another by 180 ° are fixed, for example, by a cam 33.1 on the bayonet ring 33, which is received in one of two diametrically opposite recesses 9.1 and 9.2 in the housing 9.

Die Fig. 5 zeigt in einer einem Ausschnitt aus Fig. 1 entsprechenden Ansicht in grösserem Massstab eine Variante. Auch in dieser Variante steht der Nadelkörper 3' mit dem Leitkörper 1 in direkter Berührung; der Nadelkörper 3' berührt jedoch nicht die Stirnfläche des Leitkörpers 1, sondern die Wand des konischen Bohrungsabschnittes 2. Auf der konischen Umfangsfläche 5 des Nadelkörpers 3' sind über den Umfang verteilt Vorsprünge 3.1, 3.2, 3.3 angeordnet, die an der Wand des konischen Bohrungsabschnittes 2 anliegen. So entspricht die Weite des Durchtrittsspaltes 6 zwischen der Umfangsfläche 5 und der Wand des Bohrungsabschnittes 2 genau der Höhe der Vorsprünge 3.1, 3.2, 3.3.5 shows a variant on a larger scale in a view corresponding to a section from FIG. 1. In this variant, the needle body 3 'is in direct contact with the guide body 1; However, the needle body 3 'does not touch the end face of the guide body 1, but the wall of the conical bore section 2. On the conical peripheral surface 5 of the needle body 3', projections 3.1, 3.2, 3.3 are arranged over the circumference, which protrude from the wall of the conical bore section 2 concerns. Thus, the width of the passage gap 6 between the peripheral surface 5 and the wall of the bore section 2 corresponds exactly to the height of the projections 3.1, 3.2, 3.3.

In der anhand der Fig. 1 bis 4 beschriebenen Blastexturiereinrichtung ist die Achse 22, um welche der Prallkörper 20 mit seinem Dorn 21 und dem Körper 23 schwenkbar ist, quer zur Achse des Leitkörpers 1 und des Nadelkörpers 3 angeordnet, d.h. sie kreuzt diese Achse etwa senkrecht. Natürlich könnte der Prallkörper 20 auch um eine anders angeordnete Achse zwischen der Stellung in vorbestimmtem kleinem Abstand vor der Austrittsmündung der Bohrung des Leitkörpers und einer von dieser Austrittsmündung entfernten Einfädelstellung schwenkbar sein. Beispielsweise ist in der Variante gemäss den Fig. 7 und 8 der den hülsenförmigen Prallkörper 20 tragende Dorn 21 in einem Körper 23' gehalten, der eine zur Achse des Leitkörpers 1 etwa parallele Schwenkachse 22' trägt. Die Schwenkachse 22' ist in einem auf der Hülse 7 befestigten Halter 24' gelagert. In einer Bohrung im Halter 24' ist eine Druckfeder 25' angeordnet, welche eine Kugel 26' in eine Rastkerbe 27' in der Schwenkachse 22' drückt. Dadurch ist der Körper 23' mit dem Dorn 21 in der Betriebsstellung fixiert, in welcher der Körper 23' an einem Anschlag 24.1 anliegt und der Prallkörper 20 vor der Austrittsmündung der Bohrung des Leitkörpers 1 steht. Für das Einfädeln eines neuen Multifilamentgarns kann der Körper 23' mit der Achse 22' in die in Fig. 8 mit unterbrochenen Linien dargestellte Stellung geschwenkt werden, in der die Kugel 26' in eine zweite Rastkerbe 28' in der Achse 22' einrastet.In the blow texturing device described with reference to FIGS. 1 to 4, the axis 22, about which the impact body 20 with its mandrel 21 and the body 23 can be pivoted, is arranged transversely to the axis of the guide body 1 and the needle body 3, ie it crosses this axis approximately perpendicular. Of course, the impact body 20 could also be pivotable about a differently arranged axis between the position at a predetermined small distance in front of the outlet opening of the bore of the guide body and a threading position remote from this outlet opening. For example, in the variant according to FIGS. 7 and 8, the is the sleeve-shaped impact body 20 supporting mandrel 21 held in a body 23 'which carries a pivot axis 22' approximately parallel to the axis of the guide body 1. The pivot axis 22 'is mounted in a holder 24' fastened on the sleeve 7. A compression spring 25 'is arranged in a bore in the holder 24' and presses a ball 26 'into a notch 27' in the pivot axis 22 '. As a result, the body 23 'is fixed with the mandrel 21 in the operating position in which the body 23' bears against a stop 24.1 and the impact body 20 is in front of the outlet opening of the bore of the guide body 1. For threading a new multifilament yarn, the body 23 'with the axis 22' can be pivoted into the position shown in broken lines in FIG. 8, in which the ball 26 'engages in a second locking notch 28' in the axis 22 '.

Claims (9)

  1. Device for blow-texturing at least one multi-filament yarn, with a guide body (1) containing a through bore having a conical section (2) on an inlet side, and with a needle body (3; 3') containing a through yarn passage (4) aligned approximately coaxially with the bore of the guide body (1), this needle body extending with one end into the aforementioned conical section (2) and exhibiting on this end a conical peripheral surface (5) forming, with the wall of the conical section (2), a passage slot (6) for a blowing medium, wherein the axial position of the guide body (1) with respect to the needle body (3; 3') is fixed by pressing the guide body (1) and the needle body (3; 3') together in the axial direction by means of an exerted force, a feed bore (17) for the blowing medium terminating into the annular chamber (18) surrounding the needle body (3; 3') in front of the passage slot (6), and a baffle body (20) being mounted on the outlet side of the bore of the guide body (1), characterized in that the needle body (3; 3') is displaceably guided in a sleeve (7), and is retained in a housing (9) axially movable on the sleeve (7) by means of a bayonet catch (29, 30, 31, 32), and that the aforementioned exerted force is produced by springs (11, 12) acting between the housing (9) and the sleeve (7) as well as, during operation, by the pressure of the blowing medium acting between the housing (9) and a flange (7.2) on the sleeve (7).
  2. Device according to claim 1, characterized in that the guide body (1) and the needle body (3; 3') are in direct contact with each other.
  3. Device according to claim 2, characterized in that the guide body (1) is in contact with the needle body (3) along an annular surface (8).
  4. Device according to claim 2, characterized in that the guide body (1) is in contact with the needle body (3') on projections (3.1, 3.2, 3.3) arranged in the passage slot (6).
  5. Device according to one of claims 1 to 4, characterized in that the bayonet catch (29, 30, 31, 32) exhibits radial projections (29, 30) carried by the needle body (3; 3') with differing spacings or differing widths, and, in a ring (33) connected with the housing (9), passage recesses with differing widths or, respectively, differing mutual spacings, in such a way that the needle body (3; 3') can be introduced in only one angular position into the sleeve (7) and then is turnable in the sleeve (7) into only one final position.
  6. Device according to claim 5, characterized in that the ring (33) is releasably connected with the housing (9) and can be fixed in the housing (9) in two positions rotated with respect to each other by about 180°.
  7. Device according to one of claims 1 to 6, characterized in that the needle body (3; 3') exhibits a cylindrical section guided in the sleeve (7) and a central projection of a smaller diameter emanating from an end face of this section and carrying the conical peripheral surface (5), that the feed bore (17) is approximately in parallel to the axis of the yarn passage (4) and emanates from a recess (16) in the cylindrical section extending in the peripheral direction, a transverse bore (15) in the sleeve (7) terminating into this recess (16), and that the recess (16) extends in the peripheral direction over an angle (α) of 180-270° so that the feed bore (17) in the needle body (3; 3') communicates with the transverse bore (15) in two positions of the needle body (3; 3') rotated by about 180° with respect to each other.
  8. Device according to one of claims 1 to 7, characterized in that the baffle body (20) is exchangeable and, being pivotable into a threading position removed from the outlet orifice of the bore of the guide body (1), is retained on a holder (24; 24') fixed at least axially with respect to the guide body (1).
  9. Device according to one of claims 1 to 8, characterized in that a bushing (19) with a rounded inlet rim is seated in the feed bore (17).
EP90912362A 1989-09-05 1990-08-24 Device for blow-texturing at least one multi-filament yarn Expired - Lifetime EP0441925B1 (en)

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CH3218/89 1989-09-05
CH321889 1989-09-05
PCT/CH1990/000199 WO1991003586A1 (en) 1989-09-05 1990-08-24 Device for blow-texturing at least one multi-filament yarn

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EP0441925A1 EP0441925A1 (en) 1991-08-21
EP0441925B1 true EP0441925B1 (en) 1994-04-20

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JP (1) JP2865860B2 (en)
KR (1) KR0122465B1 (en)
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DE (1) DE59005458D1 (en)
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GB871797A (en) * 1957-03-01 1961-06-28 British Celanese Improvements in the production of voluminous or bulky yarn
US3328863A (en) * 1966-04-29 1967-07-04 Owens Corning Fiberglass Corp Yarn texturizing jet
US3477217A (en) * 1968-12-05 1969-11-11 Allied Chem Automatic yarn splicer
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US3805343A (en) * 1972-03-30 1974-04-23 Fiber Industries Inc Yarn treating apparatus
US4041583A (en) * 1976-05-20 1977-08-16 E. I. Du Pont De Nemours And Company Yarn texturing jet
US4107828A (en) * 1977-05-04 1978-08-22 E. I. Du Pont De Nemours And Company Yarn treating jet
DE3465351D1 (en) * 1983-12-20 1987-09-17 Rieter Ag Maschf Multifilament yarn interlacing apparatus
US4922593A (en) * 1988-04-07 1990-05-08 E. I. Du Pont De Nemours And Company System for preparing highly coherent air jet textured yarn

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19605675A1 (en) * 1996-02-15 1997-08-21 Heberlein & Co Ag Texturing nozzle and method for aerodynamic texturing
US6088892A (en) * 1996-02-15 2000-07-18 Heberlein Fibertechnology, Inc. Method of aerodynamic texturing, texturing nozzle, nozzle head and use thereof
DE19605675C5 (en) * 1996-02-15 2010-06-17 Oerlikon Heberlein Temco Wattwil Ag Process for aerodynamic texturing and texturing nozzle

Also Published As

Publication number Publication date
EP0441925A1 (en) 1991-08-21
KR0122465B1 (en) 1997-11-27
RU1823885C (en) 1993-06-23
US5140729A (en) 1992-08-25
JPH04502942A (en) 1992-05-28
DE59005458D1 (en) 1994-05-26
CN1027385C (en) 1995-01-11
KR920701545A (en) 1992-08-12
CN1050233A (en) 1991-03-27
WO1991003586A1 (en) 1991-03-21
JP2865860B2 (en) 1999-03-08

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