EP2071067A1 - Récipient de réglage de la chaleur et procédé de réglage de la chaleur - Google Patents

Récipient de réglage de la chaleur et procédé de réglage de la chaleur Download PDF

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Publication number
EP2071067A1
EP2071067A1 EP07123048A EP07123048A EP2071067A1 EP 2071067 A1 EP2071067 A1 EP 2071067A1 EP 07123048 A EP07123048 A EP 07123048A EP 07123048 A EP07123048 A EP 07123048A EP 2071067 A1 EP2071067 A1 EP 2071067A1
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EP
European Patent Office
Prior art keywords
heatsetting
container
yarn
ambient air
temperature
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.)
Withdrawn
Application number
EP07123048A
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German (de)
English (en)
Inventor
Ludwig Resch
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.)
Power-heat-set GmbH
Original Assignee
Power-heat-set 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.)
Filing date
Publication date
Application filed by Power-heat-set GmbH filed Critical Power-heat-set GmbH
Priority to EP07123048A priority Critical patent/EP2071067A1/fr
Publication of EP2071067A1 publication Critical patent/EP2071067A1/fr
Withdrawn legal-status Critical Current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
    • D02J13/00—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass
    • D02J13/001—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass in a tube or vessel

Definitions

  • the technical field of the invention relates to the heat setting of a yarn, such as a thread or a bundle of a plurality of threads, in particular of yarns of natural and / or synthetic materials.
  • Heatsetting is used in particular to improve yarn quality after spinning or twisting textile yarns.
  • heatsetting refers to the thermal process that occurs in a vapor, hot, or dry heat to provide dimensional stability or other desirable properties to the fibers, yarns, or fabrics produced. to give greater volume, resistance to wrinkles and increased temperature resistance.
  • An object of the present invention is to propose a more cost effective way of heat setting yarns.
  • the object is achieved by a Heatsetting container with the features of claim 1 and / or by a method for Heatsetting with the features of claim 7.
  • the core of the present invention is to use in the Heatsetting or Heatsetting process of one or more yarns not previously used exclusively superheated steam, but heated ambient air.
  • the ambient air of Heatsetting container is heated by a heater, heater or the like to a predeterminable elevated temperature to provide the superheated ambient air without a dedicated supply of water vapor or heated water.
  • Fig. 1 a tT diagram showing the Heatsetting invention with hot air over a Heatsetting with water vapor.
  • the x-axis of the tT diagram after FIG. 1 shows the time t in seconds and the y-axis shows the yarn temperature T in degrees Celsius.
  • a very good example of such a yarn is polypropylene (PP) yarn, since polypropylene does not absorb moisture and therefore water due to its material properties.
  • PP polypropylene
  • a significant advantage of Heatsettings invention with the superheated ambient air instead of the superheated steam is, however, in the reduction of costs, since according to the present invention, the cost of providing the superheated steam eliminated.
  • a Heatsetting container is proposed according to the sweet principle, which is suitable for treating a yarn by means of a Heatsetting process, and at least comprising means adapted to provide an ambient air heated to a predetermined temperature for the heatsetting process.
  • Heatsetting container according to the invention is in particular that can be dispensed with all means for providing the superheated steam.
  • the Heatsetting container according to the invention is less complex and therefore less expensive.
  • a particular advantage of the method according to the invention is in addition to the use of heated ambient air for Heatsetting process instead of superheated steam in that the inventive method for Heatsetting a yarn itself with conventional Heatsetting containers or treatment chambers, for example, in the DE 39 38 183 C2 , in the US 4,513,514 A or in the DE 44 15 229 A1 are described, is feasible. Further, by means of this, the conventional Heatsetting container or treatment chambers due to the invention possible waiver of the costly superheated steam cheaper to operate. This results in a wide field of application for the method according to the invention.
  • the means comprises a heating device.
  • the heater is configured to heat an ambient air of the heatsetting vessel to the predetermined temperature and to provide or supply the heated ambient air to the heatsetting process.
  • the yarn has at least one plastic fiber.
  • the yarn may also be formed as a plastic fiber.
  • the plastic fiber is formed, for example, from one or more of the following: polypropylene (PP), polyamide 6 (PA 6), polyamide 6.6 (PA 6.6), polyamide 12 (PA 12), polyester, polyethersulfone (PES), polyethylene terephthalate (PET) , Polybutylene terephthalate (PBT), acrylic or polyacrylonitrile (PAN).
  • a control device is provided.
  • the control device is adapted to control a container internal temperature in the interior of the Heatsetting container by means of a supply of heated ambient air in the Heatsetting container such that the container interior temperature substantially constant by a predetermined temperature difference, for example 10 ° C, above a treatment temperature for the Yarn is lying.
  • the tank internal temperature is in the chamber temperature in the DE 44 15 229 A1 Are defined.
  • the treatment temperature is further defined.
  • a further preferred development means are provided, which are adapted to pass the yarn through the Heatsetting container at a predetermined transport speed in a continuous operation.
  • These means are designed for example as a transport device and may in particular include a winding mast or a mast transport system.
  • FIG. 2 Fig. 3 is a schematic block diagram of a heatsetting vessel 1 according to the present invention.
  • the Heatsetting container 1 is based on the sweetness principle. A Description of the sweetness principle is available at the filing date of the present application under the web page http://de.wikipedia.org/wiki/Heatsetting.
  • the Heatsetting container 1 is adapted to treat a yarn 2 by means of a Heatsetting process.
  • a winding mast 4 is provided, on which the yarn 2 is deposited, for example, in loops.
  • the winding mast 4 is suitable for carrying out the yarn 2 stored in loops along the transport path through the heatsetting container 1 at a predeterminable transport speed.
  • the heatsetting container 1 is preferably suitable for continuous operation.
  • the heatsetting container 1 has a means 3 which is suitable for providing an ambient air eL heated to a predetermined temperature for the heatsetting process.
  • the means 3 in particular has a heating device which is adapted to heat an ambient air L of the Heatsetting container 1 to the predetermined temperature and to provide or supply the heated ambient air eL to the Heatsetting process.
  • the yarn 2 is for example formed as a plastic fiber or has at least one plastic fiber.
  • the Heatsetting container 1 may also have an inlet device 6 and an outlet device 7, which serve in particular for improved sealing of the Heatsetting container 1 in its longitudinal direction at the points to where the winding mast 4 or several winding masts 4 are guided and led out.
  • the heatsetting container 1 preferably also has a control device 5.
  • the control device 5 is adapted to control a container internal temperature inside the Heatsetting container 1 by means of a supply of the heated ambient air eL of the heater 3 in the Heatsetting container 1 such that the container interior temperature substantially constant by a predetermined temperature difference above a treatment temperature for the yarn 2 is located.
  • the treatment temperature is for example 170 ° C.
  • the predetermined temperature difference is in the interval between 10 ° C and 20 ° C, preferably between 10 ° C and 17 ° C, more preferably between 10 ° C and 12 ° C.
  • the control device 5 controls the heating device 3, for example, with a control signal S.
  • Fig. 3 shows an embodiment of the method according to the invention for Heatsetting a yarn 2.
  • inventive method based on the block diagram in Fig. 3 regarding Fig. 2 explained.
  • the inventive method according to Fig. 3 has the following method steps a to c.
  • a Heatsetting container 1 according to the sweetness principle is provided, which is suitable for treating the yarn 2 by means of a heat setting process, in particular in a continuous operation.
  • Examples of such a Heatsetting container 1 can be found in the DE 39 38 183 C2 , in the US 4,513,514 or in the DE 44 15 229 A1 , A preferred one Embodiment of such a Heatsetting container 1 results from Fig. 2 of the present application.
  • the ambient air L of the heatsetting tank 1 is heated to a predetermined temperature to provide heated ambient air eL.
  • the Heatsetting process is performed by means of the provided heated ambient air eL.
  • the heated ambient air eL is used to set the container internal temperature in the interior of the Heatsetting container 1 constant to a predetermined temperature, which by a pre-definable temperature difference, e.g. 10 ° C, above the treatment temperature for the yarn 2.
  • control device described additionally controls the transport speed as a function of the actual container interior temperature and thus regulates the transport speed of the yarn through the Heatsetting container and the supply of heated ambient air. This results in a further degree of freedom for the Heatsetting of the yarn.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
EP07123048A 2007-12-12 2007-12-12 Récipient de réglage de la chaleur et procédé de réglage de la chaleur Withdrawn EP2071067A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07123048A EP2071067A1 (fr) 2007-12-12 2007-12-12 Récipient de réglage de la chaleur et procédé de réglage de la chaleur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07123048A EP2071067A1 (fr) 2007-12-12 2007-12-12 Récipient de réglage de la chaleur et procédé de réglage de la chaleur

Publications (1)

Publication Number Publication Date
EP2071067A1 true EP2071067A1 (fr) 2009-06-17

Family

ID=39330405

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07123048A Withdrawn EP2071067A1 (fr) 2007-12-12 2007-12-12 Récipient de réglage de la chaleur et procédé de réglage de la chaleur

Country Status (1)

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EP (1) EP2071067A1 (fr)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3500553A (en) * 1968-04-01 1970-03-17 Eastman Kodak Co Heat setting method and apparatus for polymeric fibers
US4513514A (en) 1983-04-21 1985-04-30 Technology Consulting Corporation Apparatus and method for the heat treatment of yarn
US4760629A (en) * 1985-11-02 1988-08-02 Bayer Aktiengesellschaft Process for the treatment of a filament cable
US5227175A (en) * 1989-03-21 1993-07-13 Heinz Reinbold Apparatus for processing monofilaments
US5390400A (en) * 1992-07-10 1995-02-21 Hoechst Aktiengesellschaft Process for heat treating moving yarns and apparatus therefor
DE4415229A1 (de) 1994-04-30 1995-11-02 Hoerauf Michael Maschf Verfahren zum kontinuierlichen Wärmebehandeln von in Schlaufen abgelegtem Garn
US5467513A (en) * 1994-07-08 1995-11-21 American Suessen Corporation Method and apparatus for heat-setting carpet yarn using variable yarn laying mechanism
DE3938183C2 (de) 1989-11-17 2001-02-01 Hoerauf Michael Maschf Vorrichtung zum kontinuierlichen Wärmebehandeln von Garnen
WO2005100657A1 (fr) * 2004-04-07 2005-10-27 Invista Technologies S.A.R.L Dispositif et procede de thermofixage a l'air atmospherique chaud de fils de tapis

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3500553A (en) * 1968-04-01 1970-03-17 Eastman Kodak Co Heat setting method and apparatus for polymeric fibers
US4513514A (en) 1983-04-21 1985-04-30 Technology Consulting Corporation Apparatus and method for the heat treatment of yarn
US4760629A (en) * 1985-11-02 1988-08-02 Bayer Aktiengesellschaft Process for the treatment of a filament cable
US5227175A (en) * 1989-03-21 1993-07-13 Heinz Reinbold Apparatus for processing monofilaments
DE3938183C2 (de) 1989-11-17 2001-02-01 Hoerauf Michael Maschf Vorrichtung zum kontinuierlichen Wärmebehandeln von Garnen
US5390400A (en) * 1992-07-10 1995-02-21 Hoechst Aktiengesellschaft Process for heat treating moving yarns and apparatus therefor
DE4415229A1 (de) 1994-04-30 1995-11-02 Hoerauf Michael Maschf Verfahren zum kontinuierlichen Wärmebehandeln von in Schlaufen abgelegtem Garn
US5467513A (en) * 1994-07-08 1995-11-21 American Suessen Corporation Method and apparatus for heat-setting carpet yarn using variable yarn laying mechanism
WO2005100657A1 (fr) * 2004-04-07 2005-10-27 Invista Technologies S.A.R.L Dispositif et procede de thermofixage a l'air atmospherique chaud de fils de tapis

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