EP1595983B1 - Multi-device machine for treating thread before weaving, applying a provisional mechanical treatment - Google Patents

Multi-device machine for treating thread before weaving, applying a provisional mechanical treatment Download PDF

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Publication number
EP1595983B1
EP1595983B1 EP04704244A EP04704244A EP1595983B1 EP 1595983 B1 EP1595983 B1 EP 1595983B1 EP 04704244 A EP04704244 A EP 04704244A EP 04704244 A EP04704244 A EP 04704244A EP 1595983 B1 EP1595983 B1 EP 1595983B1
Authority
EP
European Patent Office
Prior art keywords
false
machine
twisting
needle
devices
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
EP04704244A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1595983A1 (en
Inventor
Albert Galan I Llongueras
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.)
Frimal Trading SL
Original Assignee
Frimal Trading SL
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 Frimal Trading SL filed Critical Frimal Trading SL
Publication of EP1595983A1 publication Critical patent/EP1595983A1/en
Application granted granted Critical
Publication of EP1595983B1 publication Critical patent/EP1595983B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/34—Handling the weft between bulk storage and weft-inserting means
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H7/00—Spinning or twisting arrangements
    • D01H7/92—Spinning or twisting arrangements for imparting transient twist, i.e. false twist
    • D01H7/923—Spinning or twisting arrangements for imparting transient twist, i.e. false twist by means of rotating devices
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
    • D04B35/22—Devices for preparatory treatment of threads

Definitions

  • the object of the present invention is related to a multi-device false-twist machine, especially designed for on-line preparation of thread (by false-twisting), just before entering the need1e/s of all types of loops, knitting machines, etc. of technical and textile threads.
  • Said machine is especially designed in order to house several false-twister devices, where each device makes the thread or threads that pass through said device twist provisionally because of the effect of the false-twisting of a set number of rotations/meter on its path to the needle of what may be a loom, a knitting machine, etc.
  • the warp threads that feed need1e knitting machines and looms present a number of limitations when sending through each thread or group of threads joined by the hole of its respective need1e.
  • Said thread or joined group of threads may be twisted or not depending on the effect desired in the final fabric, and upon passing through the respective need1e there is a high probability that the thread/s and/or corresponding need1e should break due to the friction among the thread/s and need1e due to the existence in said thread/s of a knot caused by the difference in unitary tensions in the case of groups of joined threads, or also due to the existence of certain irregularities in the thread/s itself/themselves such as loosenings, loops, etc.
  • This phenomenon makes the production efficiency of said machines very low due to the operator's stopping the loom and provoked by said phenomenon, the application of previous corrective measures being habitual in order to present said problems as far as possible, centred in checking that the prime materials that are fed into said machines are produced with previous twisting operations and in good conditions of regularity, without knots, loosenings, etc.
  • the multi-device false-twisting machine re-structures the present carpet or fabric production process, since the operation of creating false-twisting is added "on-line" to the general fabric production process, inserted before the needles of the need1e machine, whether the latter is a loom or a needle knitting machine, which does not lengthen the carpet or fabric production process in spite of being an additional operation.
  • pre-twisting of the thread is only carried out as a preventive measure in order to increase the regularity of the thread/s, and as a consequence the efficiency in the need1e loom, needle knitting machine or need1e braiding machine, in an improved acceptance of the thread/s passing through its respective holes, the process of pre-twisting can be eliminated by installing the multi-device false-twisting machine on-line before the thread enters the needles or the need1e knitting machine.
  • the multi-device false-twisting machine is composed of a fixed frame that may include adjustable parts, on which the false-twisting devices are mounted (as is already known in the market), in a varying number depending on the number of threads that the loom or knitting machine has
  • the machine On knitting machines with one hole, the machine has one device, and up to 1.500 devices on needle looms. Said machine is disposed so that the devices may be located at a distance and with the appropriate orientation in relation to the needles of the loom or knitting machine, with the objective that the threads proceeding from the spools of the input creel, before arriving at the needles, should pass through the devices and the false-twisting effect produced by the devices should reach the needles of the loom or knitting machine.
  • each false-twisting device Is provided with an activation system, whether pneumatic by electrovalves, electro-mechanical, with an electric motor and mechanical transmission, or others, depending on the type of device applied among those known in the market.
  • said devices generate a false-twist on each of the thread/s that pass through said respective false-twisting device.
  • a false-twisting device is an apparatus that, essentially, has a point at which the thread is sent into the device and a point at which the thread comes out of said device, as well as an intermediate zone between the two aforementioned points at which the thread is rotated with respect to its own lengthwise axis in one or another rotation direction depending how it is activated.
  • the multi-device machine of the invention allows the installation of false-twisting devices of any of the types known in the state of the art, and in it, the number of rotations per unit of time generated on the thread, the direction of rotation of said thread and the duration of rotation movement generated are the parameters whose values are set before starting the warp production operation.
  • the combination of the values of said parameters is controlled and directed by a central unit by a working program and said combination of values is specific depending on the calibre and type of thread or threads to be processed.
  • the distance from the set point, within the zone in which the thread is rotated, that is, where the false-twist is generated before the thread enters the loom, up to the respective need1e of the loom or knitting machine can also be adjusted and the direction of the thread oriented depending on each different product to 5 be processed, with the purpose of the threads having, just before entering the needle, the necessary number of twists to present loosenings or loops and so that they may pass through said needles without any trouble.
  • said distance and orientation it may be maintained as in the majority of threads it is already correct.
  • the essential object of the invention being to generate twists in the thread or threads, whether one or several and already twisted or not, proceeding from an input creel of the loom, at an intermediate point between said creel and the needle (8) of the loom or knitting machine so that as soon as said thread/s make contact with said need1e (8) it is provided with a set number of twists per meter, thus by such an effect providing the thread with greater regularity and roundness, therefore preventing breakage problems due to the formation of loosenings, loops or other causes derived from insufficient twisting.
  • the thread (1) proceeding from the input creel are sent to the frame (3) on which the false-twisting devices (4) being used are mounted, from among the different types known in the art, activated by their activation system.
  • the devices are mechanical rollers that are activated simultaneously by a belt (6) proceeding from an electrical, mechanical, pneumatic, etc. motor, among those known can be used to put the invention in practice.
  • it may or may not be necessary to use one or more thread direction change rollers (2) depending on the distance and orientation chosen for each product.
  • the threads enter and cross through the respective devices, which produces the twists in the thread/s, said twists being made in a set direction and on the portion of thread between the device (4) and the roller (2) (or between the device (4) and the input creel when rollers are not being used) and in the opposite direction on the portion of thread between the device (4) and the needle (8).
  • the number of twists per unit of length that the thread carries at the time it enters into the need1e (8) depends on: the relative position of the devices (4) with respect to the roller (2) positions and the need1e (8), the quantity and calibre of the threads to be sent through a single needle and whether said threads are twisted amongst themselves, the degree of false-twist generated by the device (4), the input speed of the warp thread generated by the loom, the cycle of rotation movements generated by the device (4) and the sequence of rotation movements and stops, If set, of each cycle, all of which is determined and programmed depending on the characteristics and needs of the thread to be processed.
  • the activation motor (5) is provided with a conventional thread control system with regards lo the degree and direction of the false-twist.
  • a general program sets the variables of speed and thread rotation, including the specific movement sequence and the work cycle for each specific type of thread to be processed.
  • the essential characteristic of the multi-device false twisting machine is that it is mounted on-line within the main machine, that the operation of the devices is carried out as just one of the series of operations of said main machine, and that the operation of the devices does not in any way condition the thread processing speed in the needle loom, the needle knitting machine, etc., although it does increase the efficiency of the functioning of said weaver, knitting machine, etc.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Knitting Machines (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Nonwoven Fabrics (AREA)
EP04704244A 2003-01-22 2004-01-22 Multi-device machine for treating thread before weaving, applying a provisional mechanical treatment Expired - Lifetime EP1595983B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ES200300164A ES2228239B1 (es) 2003-01-22 2003-01-22 Maquina multi-dispositivo para tratar hilos antes de ser tejidos aplicando un tratamiento mecanico provisional.
ES200300164 2003-01-22
PCT/ES2004/000028 WO2004065673A1 (es) 2003-01-22 2004-01-22 Máquina multi-dispositivo para tratar hilos antes de ser tejidos, aplicando un tratamiento mecánico provisional

Publications (2)

Publication Number Publication Date
EP1595983A1 EP1595983A1 (en) 2005-11-16
EP1595983B1 true EP1595983B1 (en) 2010-03-10

Family

ID=32749098

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04704244A Expired - Lifetime EP1595983B1 (en) 2003-01-22 2004-01-22 Multi-device machine for treating thread before weaving, applying a provisional mechanical treatment

Country Status (6)

Country Link
US (1) US20060042221A1 (es)
EP (1) EP1595983B1 (es)
AT (1) ATE460515T1 (es)
DE (1) DE602004025906D1 (es)
ES (1) ES2228239B1 (es)
WO (1) WO2004065673A1 (es)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1278903B (de) * 1961-11-29 1968-09-26 Bruno Cecchi Falschdrahtvorrichtung fuer aus Spinnfasern gebildete Vorgarne
GB1060286A (en) * 1965-04-27 1967-03-01 Elitex Zavody Textilniho Knitting machine
US3488936A (en) * 1967-11-17 1970-01-13 Turbo Machine Co Warp twisting apparatus
US3482384A (en) * 1967-12-13 1969-12-09 Turbo Machine Co Friction twisting apparatus
US3631664A (en) * 1968-06-14 1972-01-04 Macotex Machinery Ltd Method of, and apparatus for, delivering yarns to textile machines
GB1357325A (en) * 1970-05-26 1974-06-19 Colton L H Method of and apparatus for imparting twist to yarns
US3837155A (en) * 1970-06-01 1974-09-24 Celanese Corp Pneumatic false twist interlaced yarn
GB1496654A (en) * 1973-12-18 1977-12-30 Iws Nominee Co Ltd Knitting method with false twist feed
US6226972B1 (en) * 1997-12-10 2001-05-08 Izumi International, Inc. Twisted union yarn manufacturing method and device

Also Published As

Publication number Publication date
ATE460515T1 (de) 2010-03-15
ES2228239B1 (es) 2007-08-16
ES2228239A1 (es) 2005-04-01
US20060042221A1 (en) 2006-03-02
EP1595983A1 (en) 2005-11-16
WO2004065673A1 (es) 2004-08-05
DE602004025906D1 (de) 2010-04-22

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