EP0874072B1 - Verfahren und Vorrichtung zur Erzeugung eines mehrfarbigen Garnes aus unterschiedlich farbigen Teilfäden aus Endlosfilament - Google Patents

Verfahren und Vorrichtung zur Erzeugung eines mehrfarbigen Garnes aus unterschiedlich farbigen Teilfäden aus Endlosfilament Download PDF

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Publication number
EP0874072B1
EP0874072B1 EP98104464A EP98104464A EP0874072B1 EP 0874072 B1 EP0874072 B1 EP 0874072B1 EP 98104464 A EP98104464 A EP 98104464A EP 98104464 A EP98104464 A EP 98104464A EP 0874072 B1 EP0874072 B1 EP 0874072B1
Authority
EP
European Patent Office
Prior art keywords
compacting
thread
conveying
threads
seen
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
EP98104464A
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German (de)
English (en)
French (fr)
Other versions
EP0874072A1 (de
Inventor
Hans-Joachim Weiss
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maschinenfabrik Rieter AG
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Maschinenfabrik Rieter AG
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Publication date
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Publication of EP0874072A1 publication Critical patent/EP0874072A1/de
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Classifications

    • 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
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/34—Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns
    • D02G3/346—Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns with coloured effects, i.e. by differential dyeing process
    • 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
    • D02G1/12—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using stuffer boxes
    • 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
    • D02G1/12—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using stuffer boxes
    • D02G1/122—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using stuffer boxes introducing the filaments in the stuffer box by means of a fluid jet
    • 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
    • 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
    • D02G1/165—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using jets or streams of turbulent gases, e.g. air, steam characterised by the use of certain filaments or yarns
    • 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
    • D02G1/20—Combinations of two or more of the above-mentioned operations or devices; After-treatments for fixing crimp or curl
    • 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 method and a device according to the preamble of the independent Expectations.
  • the present invention relates to the improvement of a method for production of yarn as published in U.S. Patent 4,025,595.
  • a yarn includes at least two different filament bundles, each bundle separately swirled and later the bundles are swirled together to form the yarn.
  • the obvious "difference" between the two filament bundles concerns their color, by making a multicolor yarn. This type of procedure is therefore advantageous with reference to two different colored filament bundles, the Color difference is not the essential feature of the invention. Desirable "effects" in regarding yarn structures and appearance of the yarn can be combined by combining obtained from filament bundles that have other "differences" for example those mentioned in US 4,025,595.
  • the new invention includes a method of making a yarn with a Plurality of different filament bundles, the method comprising the step of Unification of the filament bundles involves, for example, by swirling to thereby to form a yarn.
  • the process is characterized by the process step in which at least one bundle of filaments individually above the connecting step and below all the previous stretching, texturing and combining steps is treated.
  • Individual treatment can be provided to measure the induvidiality of the treated filament bundle after the bundles have been joined obtained yarn product to increase.
  • Individual treatment can (for example) include a treatment that reflects the compactness of the fibril bundle increased (for example by swirling) at the entrance of the connection step. In the preferred embodiment, each bundle of fibrils becomes individual and immediate treated before entering the connection step.
  • the filament bundle have brought together (for example texturing in a common Texturing chamber) it is necessary to separate the filament bundles again, if this is required for individual treatment according to the present invention to enable.
  • the filament bundles kept separate until the unification step.
  • Such measures include swirling and the wrong turning of the individual bundles, for example in front of a common one Texturing.
  • the invention provides a highly controllable influencing method the structure and / or appearance of the yarn product, that is, it is one highly efficient method for creating "effects". This is thanks to the fact that the unification step immediately after the individual treatment step follows, because there are no intermediate procedural steps that affect the trend have the effect of downsizing or which have to be considered in order determine the measure of individual treatment.
  • Type of individual treatment the step of bringing the "local” together Fibrils of a bundle of fibrils (by forming "bottlenecks"), the "local” Connections along the length of the filament bundle are provided at intervals.
  • the number of local connections can be per unit length of the filament, the tightness of the connection in place and the uniformity of the connection steps along the length of the filament bundle, can be controlled with reference to the desired effect and without restrictions, given by process steps other than joining.
  • the tightness of the connection in place and the uniformity of the connection steps along the length of the filament bundle can be controlled with reference to the desired effect and without restrictions, given by process steps other than joining.
  • FIG. B shows schematically an untreated filament bundle - fibrils of untreated Filament bundles are free from those of another untreated one Filament bundles "unite" when the two filament bundles are brought together become.
  • a method to increase the freedom of such fibrils to "unite” limit, is that "compact places" S are provided in each bundle, as shown in Fig. C.
  • Such compact locations can be, for example, by Swirling be shaped.
  • Such compact places arise during the swirling when an air jet is blown across the running bundle of fibrils, which divides the bundle of fibrils into two parts and then an opposite in both parts Directed swirl caused, which is canceled after leaving the air jet is, the fibrils of the two bundles of fibrils during this swirl mix into each other and cause the bottlenecks.
  • FIG. E schematically shows a device by means of which "compact locations" S can be introduced on a filament bundle.
  • the device comprises a common inlet (shown with arrow P) and three exits (shown with small arrows within the figure).
  • the filament bundle is passed one after the other at the three exits and is thereby swirled.
  • Similar intermingling processes can be used in the "unification step” for bringing fibril bundles together to form a yarn, the air pressure used in the combining phase probably being much higher than in the individual intermingling, for example 0.3 bar in the individual intermingling (eg T 1 and T 2 ) and approximately 6 bar in the swirling union (J).
  • the distance between the units T 1 and T 2 from the unit J should be sufficiently large to avoid mutual interference, unless such interference is acceptable in relation to the effect to be achieved (accidental influences).
  • the invention is not restricted to the treatment of the filament bundles by means of Air nozzles. Treating the individual filament bundles and uniting the For example, bundles can also be made using adhesive material or be carried out by forming "welds". Depending on the effect, which in To achieve yarn, it may also be desirable to have a bundle of filaments in front forming the yarn by combining the bundles of filaments to leave untreated-that untreated bundles give the yarn a "downy" effect.
  • the advantage of the invention is that by compacting the individual threads (T1 and T2 in Fig. A) after texturing (Fig. 1-8) and before than later than Collective compacting refers to compacting the combined partial threads (J in Fig. A) the quality i.e. safety in color separation and thus color recognition of the individual partial threads in the yarn repeatable compared to the prior art is improved.
  • “Compacting” should be understood to mean the compression of the fibril bundles either over the entire length of the fibril bundle using a False twist or selectively using a swirl nozzle.
  • swirling nozzles are used as compacting agents can be known from US-4,025,595, US-3,364,537 or US-3,426,406 and from EP-0434601 A1 false twist nozzles are known, which are also in the type described therein can be used as compacting agents.
  • each of EP-0039763, EP-0110359 A1, EP-0123072 A1, EP-0123829 a texturing nozzle is known, which is advantageously hinged to enable 16 Insert one or more threads for texturing, whereby the Texturing takes place after the texturing nozzle is closed again.
  • Such texturing nozzles work in the conveyor section according to the injector principle, they are not only able to to continue feeding the threads after the nozzles have closed, but also if necessary to be sucked in so that non-opening texturing nozzles can also be used to bring the threads into the texturing nozzle.
  • Another option is there in bringing the threads into and through the texturing nozzles using a suction gun.
  • a texturing nozzle is known from CH-680140 A5, which at the entrance Injection nozzles, which, to generate a protective twist in the thread, eccentric open into the yarn guide channel.
  • the partial thread is heated and conveyed in one channel or Chamber trained heating and conveying element, and the grafting or curling, or texturing in a second chamber in which the blown heated Gas can escape again, so that a plug can be removed from the chamber can.
  • a transporting cooling element for example, a rotating cooling drum.
  • EP-310890 A1 Rolltex
  • a heating and conveying channel for heating and conveying the thread, or the yarn and a needle roller connected to it to form the yarn plug composed, the plug after the needle roller on a cooling drum, to cool the graft.
  • texturing agents are known from US Pat. No. 3,255,508 (Mitsubishi) assemble from a heating and delivery nozzle and a subsequent cooling drum, the plug formation due to the impact of the heated and conveyed thread arises on the cooling drum.
  • Fig. 1 shows a device for producing a multi-colored yarn with here, for example three spinning shafts, each with differently colored partial threads 11 or Generate 11.1 or 11.2. These partial threads 11, 11.1, 11.2 are each via a preparation agent 2 performed, which is usually an oiling agent.
  • Such yarns can also consist of two or more threads.
  • precompacting means 3 which either a known swirling agent or preferably a known swirling agent False twist means, both means already at the beginning as state of the art were mentioned.
  • the partial threads 11-11.2 are stretched on godets 4 stretched to a predetermined dimension heated or heated, i.e. in the area the glass transition point, or brought into the thermoplastic area.
  • a precompacting agent provided such that when stretching the interlaced threads 11-11.2 the Swirl constrictions at least partially again, depending on the type of swirl be saved in order not to lose any of the texturing quality of the yarn.
  • the partial threads 11-11.2 are together in a texturing nozzle 5 textured, primarily due to the partial threads in a heating and conveying element 6 of a conveyor system acting on the injector principle is sucked in, warmed up and are conveyed into a crimping element 7 in order to be there due to the escape of the heating and conveying gases between fins 32 or other equivalent air permeable Elements and the resulting reduction in conveying speed and further resulting friction of the individual fibrils of the threads on the wall of the cooling and crimping element 7 are compressed into a plug, which then is placed on a cooling drum 16.
  • the partial threads 11.3-11.5 are, if necessary, over Deflection thread guide 31 combined on a godet 34, then in one referred to as collective compacting means 9 or in connection with FIG. A as J.
  • Compacting means compacted together, that is, either preferably swirled together with means known per se or rotated wrongly together, around the yarn 12 again over a godet 35 and then in the winder 10 to be wound up. Since these godets are conveyor rollers, can optionally on one or both godets 33 or 34 in front of or on the godet 35 after the compacting means 9 or without all three godets 33, 34 and 35, which has to be determined by tests depending on the material.
  • the threads are directly from the winder 10 from the cooling drum 16 and pulled by the post-compacting means 8 and collective compacting means 9.
  • FIG. 2 shows a variant compared to FIG. 1 for texturing the partial threads 11-11.2 after the stretch godets 4 a heating and conveying element 15 with the same functions as the element 6 and then one known per se from US-3255508 Cooling drum 16 with the additional function of element 7, i.e. the Grafting is formed on the cooling drum 16 and cooled.
  • the other elements correspond the elements already described for FIG. 1 and are therefore not mentioned again.
  • Fig. 3 shows a variant of Fig. 1 instead of the spinning shafts 1 individual coils with dyed partial threads, also called dyed bobbins 13, and as a further variant for the purpose of texturing the partial threads marked here with 14-14.2, according to the Stretching godets 4 a heating and conveying element 17, which functionally the aforementioned Corresponds to elements 6 and 15, with subsequent needle roller 18 and subsequent Cooling drum 16 and plug deflection element 30 provided between them, the combination of elements 17, 18, 16 and 30 described in EP-0310890 A1 is why reference is made to this EP document for further details. The remaining Elements correspond to the elements of the aforementioned figures and are therefore not mentioned again.
  • FIG. 5 shows a variant of a part of FIG. 1, insofar as a texturing nozzle 20, which has a suction part 21 for each thread 11-11.2 or 14-14.2 issued a protective twist to the corresponding thread, followed by the partial threads in the heating and conveying element 21.1 by means of the conveying medium heated and conveyed and in the subsequent crimping element 22 into one Plugs are curled.
  • the individual heating and delivery channels of the Partial threads combined in the crimping element i.e. that imaginary levels of symmetry of the individual heating and delivery channels intersect in front of the crimping element.
  • the other elements correspond to the elements already described and will therefore not mentioned again.
  • FIG. 6 shows, compared to FIG. 5, a further variant of a texturing nozzle in the a texturing nozzle 23 for the filaments, a heating and conveying element 24 and also has a common crimping element 25 in order to separate the individual partial threads for heating and conveying, and texturing together.
  • a swirl distribution principle shown with CH-680140 A5 can be used can, in order to impart a protective twist to the threads passed through the texturing nozzle, which, in addition to the otherwise mentioned compacting of the partial threads, ensures that in the case of multiple threading through a texturing nozzle, the individual partial threads themselves not getting caught up in each other, but essentially remaining side by side, the upper twist stop of the corresponding part of the thread in the thread running direction preceding godet of pair of godets 4 is.
  • a protective twist is particularly useful if the threads as shown in FIGS. 1-5 be textured in a common texturing nozzle.
  • this preparation 2 as Twist stop can be used if no deflection thread guide 31 from any Reasons are used, and that the term "different staining thread” It is to be understood that such threads in the color process, for example when using same color, nuances different but desirable color effects contain.
  • these parameters pressure, quantity, temperature of the gas
  • these parameters be chosen differently, so that from thread to thread a difference in the swirling and thus in the intensity of the color separation or color recognition in the yarn.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
EP98104464A 1996-01-12 1997-01-13 Verfahren und Vorrichtung zur Erzeugung eines mehrfarbigen Garnes aus unterschiedlich farbigen Teilfäden aus Endlosfilament Expired - Lifetime EP0874072B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH93/96 1996-01-12
CH9396 1996-01-12
CH9396 1996-01-12
EP97810012A EP0784109B1 (de) 1996-01-12 1997-01-13 Verfahren und Vorrichtung zur Erzeugung eines mehrfarbigen Garnes aus unterschiedlich farbigen Teilfäden aus Endlosfilament

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP97810012A Division EP0784109B1 (de) 1996-01-12 1997-01-13 Verfahren und Vorrichtung zur Erzeugung eines mehrfarbigen Garnes aus unterschiedlich farbigen Teilfäden aus Endlosfilament

Publications (2)

Publication Number Publication Date
EP0874072A1 EP0874072A1 (de) 1998-10-28
EP0874072B1 true EP0874072B1 (de) 2002-03-20

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP97810012A Expired - Lifetime EP0784109B1 (de) 1996-01-12 1997-01-13 Verfahren und Vorrichtung zur Erzeugung eines mehrfarbigen Garnes aus unterschiedlich farbigen Teilfäden aus Endlosfilament
EP98104464A Expired - Lifetime EP0874072B1 (de) 1996-01-12 1997-01-13 Verfahren und Vorrichtung zur Erzeugung eines mehrfarbigen Garnes aus unterschiedlich farbigen Teilfäden aus Endlosfilament

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EP97810012A Expired - Lifetime EP0784109B1 (de) 1996-01-12 1997-01-13 Verfahren und Vorrichtung zur Erzeugung eines mehrfarbigen Garnes aus unterschiedlich farbigen Teilfäden aus Endlosfilament

Country Status (6)

Country Link
US (3) US6119320A (zh)
EP (2) EP0784109B1 (zh)
CN (2) CN1078636C (zh)
BR (1) BR9700044A (zh)
CA (1) CA2194843A1 (zh)
DE (2) DE59706682D1 (zh)

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CN103620098B (zh) * 2011-06-16 2016-08-24 欧瑞康纺织有限及两合公司 用于生产卷曲变形的多纤维长丝的方法和设备
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DE59706682D1 (de) 2002-04-25
CN1210911A (zh) 1999-03-17
EP0784109A3 (de) 1997-07-23
US6085395A (en) 2000-07-11
US6094790A (en) 2000-08-01
US6119320A (en) 2000-09-19
EP0784109B1 (de) 2002-09-04
EP0874072A1 (de) 1998-10-28
EP0784109A2 (de) 1997-07-16
CN1078636C (zh) 2002-01-30
CN1121517C (zh) 2003-09-17
DE59708092D1 (de) 2002-10-10
CN1160782A (zh) 1997-10-01
BR9700044A (pt) 1998-11-10
CA2194843A1 (en) 1997-07-13

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