EP0814185A2 - Procédé et dispositif de prétraitement d'un fil pour tapis avec poils fins de surface - Google Patents

Procédé et dispositif de prétraitement d'un fil pour tapis avec poils fins de surface Download PDF

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Publication number
EP0814185A2
EP0814185A2 EP97109828A EP97109828A EP0814185A2 EP 0814185 A2 EP0814185 A2 EP 0814185A2 EP 97109828 A EP97109828 A EP 97109828A EP 97109828 A EP97109828 A EP 97109828A EP 0814185 A2 EP0814185 A2 EP 0814185A2
Authority
EP
European Patent Office
Prior art keywords
yarn
carpet
singe
carpet yarn
burner
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.)
Granted
Application number
EP97109828A
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German (de)
English (en)
Other versions
EP0814185A3 (fr
EP0814185B1 (fr
Inventor
Steffen Greif
Heinz Grüber
Peter Pfeiffer
Ingo Lison
Arne Wussing
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.)
Kuesters Zittauer Maschinenfabrik GmbH
Original Assignee
Kuesters Zittauer Maschinenfabrik GmbH
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.)
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Publication date
Application filed by Kuesters Zittauer Maschinenfabrik GmbH filed Critical Kuesters Zittauer Maschinenfabrik GmbH
Publication of EP0814185A2 publication Critical patent/EP0814185A2/fr
Publication of EP0814185A3 publication Critical patent/EP0814185A3/fr
Application granted granted Critical
Publication of EP0814185B1 publication Critical patent/EP0814185B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • D02J3/00—Modifying the surface
    • D02J3/12—Modifying the surface by removing projecting ends of fibres
    • D02J3/16—Modifying the surface by removing projecting ends of fibres by singeing

Definitions

  • spun yarns spun yarns
  • PA6, Perlon; PA6.6 nylon polyamide fibers
  • PA6.6 nylon polypropylene, polyester or other chemical fibers and mixtures of such fibers
  • the staple fiber carpet yarns are made from staple fibers, i.e. spun from fibers of limited length.
  • Spun yarns have the advantage, among other things, that they can be dyed well and evenly and that the carpets made and dyed from them have a uniform, calm appearance.
  • a great disadvantage, however, is that these carpet yarns, whether they consist of natural fibers or synthetic fibers, have a strong hairiness, ie the ends of the individual fibers forming the yarn are not bound into the yarn, but protrude from the yarn, so that with a mechanical Attack can be separated from the yarn or pulled out of the yarn:
  • Such spun yarns have a strong tendency to fluff.
  • the shift to the filament yarns has occurred, although the filament yarns have disadvantages compared to the spun yarns. Because of their structure, they do not have the lint problem described, but they are more difficult to dye and do not have such good mechanical properties. For example, they have poorer "resilience" when the load is temporarily interrupted. Carpets made and dyed from filament yarn have a non-level, restless, often streaky appearance. Mechanical loads such as footprints or pressure marks on objects placed on the floor or furniture feet remain visible for a long time after the pressure has ceased.
  • Fiber blends were produced in which other fibers with a lower melting point were blended into the base fibers, in order to then bind the protruding fine individual hairs to the yarn by means of a thermal treatment.
  • carpet yarns While the invention has its origins in the problems of staple fiber carpet yarns, it is not so limited. Other carpet yarns with similar problems also fall under the invention, e.g. Carpet yarns made from natural fibers as well as mixtures of natural and synthetic fibers. It also doesn't matter whether the carpet yarn is for the pile or the back of the carpet.
  • the invention has for its object to pretreat a hairy carpet yarn so that the amount of fluff can be reduced without great effort and without an adverse influence on the mechanical yarn properties and the dyeing behavior.
  • Chargeristic temperatures are to be understood as values such as glass point, melting point and ignition temperature.
  • the very high temperatures should be clear, e.g. at least 500 ° C, above these temperatures, so that the hairs can be removed thoroughly in the short exposure times and sufficient working speeds are possible, while at the same time the heat does not yet penetrate significantly into the interior of the carpet yarn and thus prevent fiber damage.
  • the carpet yarn can also be influenced in many different ways in a targeted and reproducible manner via the control mentioned.
  • the surface hardness or the bending stiffness of the carpet yarn can be increased in a desired manner depending on the application.
  • the feel or the resilience of the carpets made from such carpet yarns can be influenced.
  • Another advantage of the method according to the invention results from the use of the fibers treated in this way for the production of carpets to be printed.
  • the previously used hairy and fluffy spun fiber carpet yarns had the disadvantage that carpets made from them could only be printed very poorly or not at all.
  • the thermal treatment according to the invention makes it possible to contribute to fixing the mechanically generated twist of the individual fibers to a carpet yarn.
  • special machines and processes are used in which the carpet yarn is exposed to the effects of superheated steam or saturated steam under excess pressure and which represent a complex part of the system.
  • the effort involved in the fixing units can be reduced when the thermal treatment according to the invention is incorporated into the yarn production process. This leads to cost reductions in yarn production.
  • the thermal treatment method according to the invention can be easily integrated into existing systems. The place where the treatment within the facility is largely selectable. If a system part for the heatsetting is available, the treatment can in principle be carried out after the fixation and before the winding process, but it is preferred to carry out the thermal treatment between the creel and the heat setting system. The temperature treatment can also be used as a completely separate operation.
  • the material that is primarily considered for the invention is, as already mentioned, spun fiber carpet yarn (claim 2), in particular made of fully synthetic material such as polyamide, polypropylene, polyester or the like (claim 3).
  • the carpet yarn is moved lengthwise through a zone in which the high temperature prevails and which is traversed in the direction of movement in a time of three to fifty milliseconds.
  • the spun-fiber carpet yarn is thus quickly passed through a high-temperature treatment zone, so that the protruding hairs come to a high temperature and burn, evaporate or sublimate almost instantaneously because of their small diameter and their low heat capacity, the inner volume of the yarn because of the poor Thermal conductivity of the material has no time to heat up significantly.
  • the treatment can, in particular, be carried out in such a way that a sheet of carpet yarn is moved through at least one elongated, narrow zone which extends transversely to the carpet yarn sheet at the high temperature.
  • transverse is intended to encompass an arrangement perpendicular to the carpet yarn group as well as an inclined arrangement, by means of which the extension of the Zone of action in the direction of movement of the carpet yarn threads can be enlarged without having to make any adjustments to the treatment device.
  • the individual carpet yarns by a surrounding heat source of any shape, e.g. to pass a nozzle or a ring burner.
  • the preferred temperature range of the treatment according to the invention for the carpet yarns which are considered for the production of carpets is 800 to 1700 ° C (claim 8), the exposure time being at most a few milliseconds (claim 9). However, higher temperatures are also possible.
  • the preferred embodiment of creating a limited, high temperature zone through which the carpet yarn is passed is a scorching device (claim 11) in which the high temperature is generated by burning gases.
  • Suitable for the application of carpet yarn treatment are high-performance torches with a sharp, narrow, high-energy and very hot flame, as they are used in a similar design in singeing machines for textile fabrics.
  • the flame gases have the "very high temperatures”.
  • the staple fiber carpet yarn can also be exposed to short-term exposure to a high temperature, e.g. using a laser.
  • the carpet yarn can be moistened before the temperature treatment (claim 13). Suitable methods for this are available in the prior art, e.g. Spraying of foggy moisture, condensation of steam or the like.
  • an important aspect of the invention is that the temperature treatment not only eliminates the lint problem in the manufacture and finishing of the carpets and at least in the initial phase of use, but that this effect is accompanied by further advantageous effects, namely on the one hand with the effect of supporting the fixation of the yarn twist, which improves the mechanical properties of the yarn such as bulk and tread elasticity and possibly in certain cases may at least partially save the fixing units otherwise provided for it - and on the other hand with an improvement in the dyeability of the staple fiber Carpet yarns, so that the color yield is higher. In this way, savings are made which in themselves justify the course of treatment according to the invention and which amortize the treatment device within a short time.
  • the invention is also embodied in the use of the method of yarn singing for the pretreatment of spun fiber carpet yarns before they are processed into a carpet (claim 19).
  • a device for carrying out the method, in which the temperature treatment is carried out by singeing, is the subject of claim 20.
  • the essential aspect here is that the yarn threads are in contact with the burner flames or the hot burner gases in a zone which is extended in the direction of conveyance, the scorching channel, whereby a flaming process is possible which only slightly loads the basic thread and mainly relies on the above hairs concentrated.
  • the conveying speed of the carpet yarn threads through the zone of very high temperatures is considerable, namely 300 to 800 m / min, as stated in claim 26.
  • the singe channel is not a single carpet thread that is treated, but a group of several carpet threads.
  • a design of the singe channel is expedient, the height of the singe channel perpendicular to the plane of symmetry being 8 to 20 mm (claim 28) and the length of the singe channel from the point of impact of the gas mixture jets to the end of the singe channel located in the conveying direction being 100 to 300 mm (Claim 29).
  • turbulence-generating grooves are recommended, which improve the uniformity of the gas distribution, in particular transversely to the conveying direction.
  • the burner nozzles expediently have passages of small diameter so that the gas mixture jets have sufficiently high velocities.
  • Both bores and narrow slots are to be understood as “passages”, the “diameter” of the slots being their transverse dimension.
  • the culverts are on one arranged in a straight line, in the case of the slots being located parallel to the line with their longitudinal direction.
  • the passages are advantageously found in a width corresponding to the width of the coulter (claim 31).
  • the embodiment according to claim 32 serves to minimize the entry of false air at the entrance of the singe channel.
  • This false air which is sometimes entrained by the rapidly running yarn threads, can make the combustion process uneven, on which the stoichiometrically composed gas mixture is based.
  • the singe burner be divided in the plane of symmetry (claim 33), in particular that it can be folded out about an axis running parallel to the conveying direction outside the singe burner and that the two halves can be separated from one another perpendicular to the plane of symmetry (claim 34).
  • the singe burner can be opened and put into operation on the side next to the yarn coulter. This is useful in order to achieve a uniform singeing result from the beginning of the yarn run and to avoid major yarn start-up losses.
  • the singe burner is preheated without yarn when closed. After the operating temperature has been reached, the yarn run is started and the singe burner in operation is brought together with the running yarn coulter.
  • the singe burner can be fed into the yarn coulter or the yarn coulter into the singe burner. In principle, however, it is also possible to ignite the singe burner with the coulter of yarn located in the singe channel at the start of the yarn run.
  • the singe burner When the twine run stops, the singe burner must be opened and the twine coulter out of the hot zone.
  • a pressure control according to claim 37 is advisable, which prevents the flame front from retreating into the burner nozzles.
  • the power of the scorch burner and thus the temperature or the scorch intensity can also be set or regulated via the pressure of the fuel gas mixture in the scorch burner.
  • the singe burner designated as a whole in FIG. 1 comprises two ceramic plates 1, 1 'which are identical to one another and which are set against one another with the flat boundary surfaces 2, 2' (FIG. 2) facing one another.
  • continuous depressions 3, 3' are formed in the boundary surfaces 2, 2 ', which lie opposite one another and together form a continuous, open-ended singe channel 10 with a straight axis, which is in a transverse plane the elongated cross section shown in FIG. 2 with an axis parallel to the longitudinal direction of the cross section containing plane of symmetry 4.
  • the height 21 of the singe channel 10 perpendicular to the plane of symmetry 4 (FIG.
  • the length 22 of the singe channel 10 from the point 17 at which the nozzle jets meet the plane of symmetry 4 and where the zone 18 of the very high temperature begins to the end 10 ′′ of the singe channel 10 is 100 to 300 mm, in the exemplary embodiment 200 mm.
  • grooves 23 running in the transverse direction are provided in the delimitation planes 2, 2 ', which serve to form turbulence in the burning gas mixture stream and to uniformize the temperature distribution in the transverse direction of the singe channel 10.
  • the flat boundary surfaces 2, 2 ′ lie in the plane of symmetry 4, in which a family of carpet yarn threads 5 lying next to one another in parallel can be conveyed through the scorching channel 10 in their longitudinal direction in a conveying direction 6 parallel to the channel direction.
  • the conveying means for the carpet yarn threads 5 provided outside of the singe burner 100 allow a high conveying speed of 300 to 800 m / min, in the exemplary embodiment approximately 500 m / min.
  • the refractory ceramic plates 1, 1 ' are each housed in sheet metal housings 7, 7', the walls of which are spaced from the outside of the refractory ceramic plates 1, 1 ', the space being filled with insulating mineral wool 8.
  • the ceramic plates 1, 1 'in their housings 7, 7' are held on brackets 9, 9 'which are on the outside of the housing 7, 7 'extend on both sides of the plane of symmetry 4 and are supported on one side outside the housing 7, 7' around an articulated axis 11 extending parallel to the conveying direction 6, around which the housing 7, 7 'can be opened in the direction of the arrows 12 are.
  • oblique gas channels 13, 13' are formed extending across its width, the middle plane of which, with the plane of symmetry 4 or the carpet yarn threads 5, enclose an angle ⁇ , which in the exemplary embodiment is 30 °.
  • Gas mixture nozzles 15, 15 'with passages in the form of bores of small diameter are provided close to one another over the width of the singe channel 10 and are provided on the input-side end face 14, 14' of the refractory ceramic plates 1, 1 ', which pass over the width of the refractory ceramic plates 1 , 1 'extending, formed from sheet metal feed chambers 16,16' a fuel gas mixture can be fed.
  • the protruding hairs 28 are evaporated or burned in zone 18 or partially melted onto the base thread, so that on the carpet yarns 5 at the outlet 10 ′′ of the scorching channel 10 there are no more hairs that could easily become loose during further processing or use of the carpet and lead to the formation of fluff.
  • the carpet yarns 5 are cleaned of adhering combustion residues by means of powerful air jets and, at the same time, cooled, as shown in FIG. 3.
  • 5 flat jet nozzles 26 are preferably arranged at a distance 25 from the end 10 ′′ of the singe channel 10 to about 500 mm above and below the carpet yarn threads.
  • the air jet 27 is directed at an acute angle ⁇ against the conveying direction 6 of the carpet yarn threads 5.
  • a water-air mixture can also be used instead of air.
  • FIG. 4 shows a modified embodiment of a singe burner 100 ', in which parts which correspond functionally to the singe burner 100 are identified by the same reference numbers. The only difference is that the feed chambers 16, 16 'are incorporated in the housings 7, 7' and in particular the gas mixture nozzles 15, 15 'are arranged such that the gas mixture jets 19' are directed parallel to the conveying direction 6 in the same direction.
  • FIG. 5 schematically shows a pretreatment system in question in which the singe burner according to the invention (be it 100 according to FIG. 1 or 100 'according to FIG. 4) is combined with a yarn fixing system (heatsetting system).
  • the individual carpet yarn thread 5 is unwound from a supply spool 30, a multiple of supply spools being present in a corresponding support frame, as carpet thread threads 5 are treated next to one another in the scorching torch 100 concerned, in order to ensure a smooth transition.
  • the carpet yarn thread 5 runs into a singe burner 100 or 100 'and then into a heat setting system 200 which is known per se and is therefore not described further, in which the yarn twist is fixed and the carpet yarn is bulked.
  • the respective carpet yarn thread 5 is then wound onto a supply spool 31.
  • the carpet yarn 5 runs after the unwinding from the supply spool 30 first through the heatsetting system 200 and only then passes the singe burner 100 or 100 'of the type according to the invention, indicated by dashed lines in FIG. 3, in order then to be wound onto the supply spool 31 .
  • the singeing process can also be done separately, i.e. can be operated without a heat setting system.
  • the carpet yarn 5 or the sheet of threads runs from a creel through the singe burner 100, 100 'to the winding machine. Expediently, a larger number of carpet yarn threads 5 can be used here.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Carpets (AREA)
EP97109828A 1996-06-21 1997-06-17 Procédé et dispositif de prétraitement d'un fil pour tapis avec poils fins de surface Expired - Lifetime EP0814185B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19624910A DE19624910A1 (de) 1996-06-21 1996-06-21 Verfahren zur Vorbehandlung eines Spinnfaser-Teppichgarns
DE19624910 1996-06-21
US08/877,689 US5903962A (en) 1996-06-21 1997-06-17 Method and device for the pretreatment of a carpet yarn having tiny fine hairs on its surface

Publications (3)

Publication Number Publication Date
EP0814185A2 true EP0814185A2 (fr) 1997-12-29
EP0814185A3 EP0814185A3 (fr) 1999-06-16
EP0814185B1 EP0814185B1 (fr) 2001-03-21

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EP97109828A Expired - Lifetime EP0814185B1 (fr) 1996-06-21 1997-06-17 Procédé et dispositif de prétraitement d'un fil pour tapis avec poils fins de surface

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US (2) US5903962A (fr)
EP (1) EP0814185B1 (fr)
DE (1) DE19624910A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000020670A1 (fr) * 1998-10-07 2000-04-13 Eduard Küsters Maschinenfabrik GmbH & Co. KG Procede et dispositif pour le pretraitement d'un fil textile
WO2000031328A1 (fr) * 1998-11-20 2000-06-02 Küsters Zittauer Maschinenfabrik Gmbh Machine de flambage
EP1013815A2 (fr) * 1998-12-24 2000-06-28 Osthoff-Senge GmbH & Co. KG Dispositif de flambage de fils
EP1662028A1 (fr) * 2004-11-29 2006-05-31 Schärer Schweiter Mettler AG Brûleur pour dispositif de flambage de fils
CN102734457A (zh) * 2011-04-04 2012-10-17 通用汽车环球科技运作有限责任公司 用于自动变速器的电动液压控制系统
CN105274682A (zh) * 2015-10-26 2016-01-27 武汉纺织大学 一种定向伸展协同柔化缠绕纱线毛羽的装置
CN105624926A (zh) * 2016-01-06 2016-06-01 上海灵氟隆新材料科技有限公司 用于减少聚四氟乙烯膜裂纤维毛羽的方法

Families Citing this family (7)

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Publication number Priority date Publication date Assignee Title
CA2363586A1 (fr) * 2000-11-20 2002-05-20 Solutia Inc. Fibre de liant pour ameliorer la conservation de l'aspect et des extremites d'un tapis
AUPR352401A0 (en) * 2001-03-05 2001-03-29 Ontera Modular Carpets Pty Ltd Improvements in staple fibre carpets
US20040175534A1 (en) * 2002-12-23 2004-09-09 Bridges James C. Enhanced surface coverings, yarns and methods
CN201245734Y (zh) * 2008-06-23 2009-05-27 武汉科技学院 一种熨烫纺纱装置
EP2513371B1 (fr) * 2010-01-05 2015-06-24 Manikam Ramaswami Methode de fabrication d'une etoffe en coton ignifugée ayant une résistance élevée aux déchirures
CN102051718A (zh) * 2010-11-08 2011-05-11 武汉纺织大学 一种对须条进行湿热熨烫处理的纺纱方法
CN109629068A (zh) * 2019-01-30 2019-04-16 无锡工艺职业技术学院 一种激光纱线烧毛机

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EP0273222A1 (fr) * 1986-12-09 1988-07-06 Osthoff-Senge GmbH & Co. KG Procédé et installation de polissage de fils de chaîne

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EP0273222A1 (fr) * 1986-12-09 1988-07-06 Osthoff-Senge GmbH & Co. KG Procédé et installation de polissage de fils de chaîne

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000020670A1 (fr) * 1998-10-07 2000-04-13 Eduard Küsters Maschinenfabrik GmbH & Co. KG Procede et dispositif pour le pretraitement d'un fil textile
WO2000031328A1 (fr) * 1998-11-20 2000-06-02 Küsters Zittauer Maschinenfabrik Gmbh Machine de flambage
DE19853581C2 (de) * 1998-11-20 2001-05-23 Kuesters Zittauer Maschf Gmbh Verfahren zum Sengen von Garnen, insbesondere von thermoplastischen Spinnfaserteppichgarnen und Sengmaschine
EP1013815A2 (fr) * 1998-12-24 2000-06-28 Osthoff-Senge GmbH & Co. KG Dispositif de flambage de fils
EP1013815A3 (fr) * 1998-12-24 2000-12-20 Osthoff-Senge GmbH & Co. KG Dispositif de flambage de fils
EP1662028A1 (fr) * 2004-11-29 2006-05-31 Schärer Schweiter Mettler AG Brûleur pour dispositif de flambage de fils
CN102734457A (zh) * 2011-04-04 2012-10-17 通用汽车环球科技运作有限责任公司 用于自动变速器的电动液压控制系统
CN105274682A (zh) * 2015-10-26 2016-01-27 武汉纺织大学 一种定向伸展协同柔化缠绕纱线毛羽的装置
CN105624926A (zh) * 2016-01-06 2016-06-01 上海灵氟隆新材料科技有限公司 用于减少聚四氟乙烯膜裂纤维毛羽的方法
CN105624926B (zh) * 2016-01-06 2017-09-15 灵氟隆新材料科技江苏有限公司 用于减少聚四氟乙烯膜裂纤维毛羽的方法

Also Published As

Publication number Publication date
US5903962A (en) 1999-05-18
EP0814185A3 (fr) 1999-06-16
EP0814185B1 (fr) 2001-03-21
DE19624910A1 (de) 1998-01-08
US6032340A (en) 2000-03-07

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