EP1321553A1 - Verfahren und Vorrichtung zur Herstellung von direkt aus Fasern und/oder Filamenten erhaltenen textilen Maschenwaren und erhaltene Produkte - Google Patents

Verfahren und Vorrichtung zur Herstellung von direkt aus Fasern und/oder Filamenten erhaltenen textilen Maschenwaren und erhaltene Produkte Download PDF

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Publication number
EP1321553A1
EP1321553A1 EP01870283A EP01870283A EP1321553A1 EP 1321553 A1 EP1321553 A1 EP 1321553A1 EP 01870283 A EP01870283 A EP 01870283A EP 01870283 A EP01870283 A EP 01870283A EP 1321553 A1 EP1321553 A1 EP 1321553A1
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EP
European Patent Office
Prior art keywords
fibers
filaments
looping
discs
needles
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Withdrawn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
EP01870283A
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English (en)
French (fr)
Inventor
Xavier Bathelier
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.)
Tarkett Sommer SA
Original Assignee
Tarkett Sommer SA
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 Tarkett Sommer SA filed Critical Tarkett Sommer SA
Priority to EP01870283A priority Critical patent/EP1321553A1/de
Priority to YU4704A priority patent/YU4704A/sh
Priority to HU0401094A priority patent/HUP0401094A2/hu
Priority to US10/483,208 priority patent/US6918164B2/en
Priority to PL02367463A priority patent/PL367463A1/xx
Priority to PCT/EP2002/007949 priority patent/WO2003008686A2/fr
Priority to EP20020758351 priority patent/EP1407068A2/de
Publication of EP1321553A1 publication Critical patent/EP1321553A1/de
Withdrawn legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B39/00—Knitting processes, apparatus or machines not otherwise provided for
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/02—Pile fabrics or articles having similar surface features
    • D04B1/025—Pile fabrics or articles having similar surface features incorporating loose fibres, e.g. high-pile fabrics or artificial fur

Definitions

  • the present invention relates to a improved process for manufacturing textile products knitted directly from fibers and filaments.
  • the present invention also relates to a device allowing the implementation of the method and extends to mesh products resulting from said process and / or obtained by said device.
  • the present invention also relates to mesh type products with fine mesh and / or presenting in velvet form.
  • the conventional processes obtaining velvet especially in the case of picked mesh products are either made by the use of an additional wire, either by the use of a carding tape.
  • the first thread will constitute a normal jersey while passing directly from one needle to another, while the second will need to loop before meeting the next needle while passing over a special plate (element looper).
  • the first wire ensures the flat cohesion of the product, the second constitutes rows of loops which when mowed will constitute the velvet.
  • the present invention relates essentially to the realization of products obtained by the technique called "verticalization technique” point by the Applicant.
  • the verticalization technique described consists in subjecting the fibers and / or filaments to a "transverse looping" accompanied by a “stretching” and obtain an accumulation of fibers and / or filaments under form of a "pseudo-yarn" in which the fibers and / or filaments are parallelized.
  • each fiber or filament is in principle involved in at least one loop so as to constitute a twist-free pseudo-yarn obtained by the accumulation of various elementary fibers and / or filaments well parallelized.
  • This twist-free pseudo-wire made up of parallel fibers and / or filaments can either be handled by needles of the tufting needles type and be leads to a substrate in order to make carpets as described in detail in publication EP-A-0479880, either be trained by gill needles in order to make mesh products as described in detail in the publication EP-A-0783608, or still be used for the production of coated-glued type products as described in detail in publication EP-A-0960227.
  • WO96 / 10667 (downstream verticalization) describes how to make incoming mesh products in the category of knitted knitted fabrics directly from fibers in the form of a veil oriented.
  • a set of discs provided at their periphery with a network of fine teeth interpenetrating a set of looper fingers cooperate to drive and condense the veil against a set of picking means and transfer to create a "pseudo-wire" in wavy form.
  • picking and transfer means consist of turntables, each one individually in line with the looping fingers.
  • This pseudo-wire will then be transported by these turntables with a rectilinear movement up to knitting needles that will form the knit, row after row.
  • a pseudo-thread is therefore constituted by a certain "slice" of condensed veil whose length in the direction of advance is called "accumulation length".
  • the accumulation length will be all the more important as the weight of the veil is low.
  • Certain fibers, being "straddling" on two consecutive slices will therefore participate in two sons successive and with two successive rows of meshes; we calls such fibers: interfering fibers.
  • the percentage of these fibers varies according to the parameters following: fiber length, average angle orientation of the fibers in the veil, and the length accumulation (therefore the weight of the veil).
  • the present invention aims to provide a method and device based essentially on the "verticalization" technique which allow the production of mesh products and in particular of products with a fine or even very fine mesh, that is to say made with a device having a gauge less than 1/18 of an inch, i.e. less than 1.4 mm.
  • the present invention also aims to propose a method and a device allowing the creation of velvet, possibly very short, or even "suede” type products.
  • the present invention further aims to allow the production of products as described above by a process which has a clearly improved compared to those of the state of the art.
  • the needles meshes simultaneously perform the same movement to receive the pseudo-thread obtained by accumulation of fibers and / or filaments.
  • the passage of the pseudo-thread thus created towards the open eye of the gill needles is carried out when in the top dead center position.
  • the accumulation of said fibers and / or filaments takes place against the slope of the teeth preceding the game of looping discs facing the arrival of a veil.
  • This accumulation can also be favored by the presence a set of sealing means which prevent fibers and / or filaments to continue their journey with the disc.
  • Each shutter means is placed in the extension of a looping element, such as the finger looper.
  • a shutter means can either be a bent strip of corresponding width by example with the thickness of the discs, or around -0.1mm and thickness between 0.2 and 2mm, maintained at its opposite end on a fixed and spring-loaded support, either a strip of various shape on a mobile support, the order will determine the percentage of fibers interfering.
  • this command allows to act on the time of presence of such shutter means and on their more or less close arrangement of the looping elements will generate an adequate percentage of fiber as appropriate will serve as interfering fibers.
  • these shutter means can using a command be more or less willing to immediate proximity to top dead center meshes, which will directly affect the percentage of fibers serving as interfering fibers.
  • this accumulation of said fibers and / or filaments can even be carried out in the absence of any shutter means and will therefore take place over a distance between two successive teeth, in order to create an overlay on the back of the product consisting of fibers interfering.
  • the speed of rotation of the looping discs is synchronized with that of the mesh needles, so that by means of a differential, the discs advance by one X th of a turn for a movement of the needles, X being the Number of teeth.
  • Another object of the present invention resides in the device allowing the manufacture of knitted textile products from fibers and / or filaments flowing in the form of a veil, characterized in that it includes a set of rotary looper discs identical, spaced and located on a common axis transverse, in interpenetration with a set of elements identical curlers, such as curly fingers, looper discs with teeth on their periphery relatively spaced.
  • relatively spaced teeth is meant the presence of a whole number of regularly spaced teeth on the periphery of the looping discs, the distance between two successive teeth worth at least three times the height of said teeth.
  • the device also includes a game mesh needles which are arranged between the discs rotary looper and in line with the elements curlers such as curly fingers.
  • means shutters are arranged in the extension of the looping elements such than curly fingers.
  • the present invention also relates to a mesh textile product with a fine mesh.
  • mesh products are defined by the gauge of the device which allows the realization of said product mesh.
  • fine mesh we mean devices allowing to produce such products with a gauge less than 1/18 of an inch, i.e. less than 1.4 mm. It should be noted that the mesh product will have meshes corresponding to the gauge at approximately 10% near.
  • these products have a network of fibers and / or interfering filaments extending in both directions.
  • the present invention also relates to a mesh textile product with a network of fibers and / or interfering filaments extending in both directions versus the lead direction and with a level of interfering fibers and / or filaments greater than 10%, and preferably greater than 30%.
  • the present invention is relates to a mesh textile product presented under velvet shape and the rate of fibers and / or filaments interfering is greater than 30%, and preferably greater than 60%.
  • Figure 1 depicts a sectional view of the device according to the present invention intended for setting process work.
  • Figures 2a to 2h describe the cycle complete allowing the realization of a mesh product according to a first preferred embodiment and constituting a mesh product with fine mesh.
  • FIGS. 3a to 3h describe the cycle complete allows the realization of a mesh product according to a second preferred embodiment of the invention and which could constitute a velvet product.
  • Fig. 1 shows the positioning different organs intended to make a device according to the present invention.
  • the device resides essentially in the interpenetration of a set of discs identical looper 10, 11, 12, ... and located on an axis transverse joint 01 with a set of looper fingers 20, 21, 22, ... in the extension of which are arranged mesh needles 30, 31, 32.
  • the different looping discs 10, 11, 12 regularly have teeth 101 on their periphery, 102, 103, ... 10X, where X is ne number of teeth per disc.
  • the mesh needles 30, 31, 32 perform a movement back and forth between folding plates 40, 41, 42.
  • the speed of rotation of the looping discs is a uniform speed and is synchronized with that of the gill needles 30, 31, 32, so that by means of a differential, the discs advance by an X th of a revolution for a movement of the needles, X being the number of teeth.
  • the needles penetrate between the discs lifting the shutter means. From this moment the needles will take over from the shutter means regarding fiber buildup, so the constitution of the pseudo-thread (the fibers are found thanks to the orientation of the veil).
  • the needles have reached their neutral point high.
  • the fibers continue to accumulate.
  • the tooth goes start pushing the pseudo-wire in a loop to pass it behind the needles.
  • the needles have started to descend and leave the discs. From this moment, the fibers which will continue to be delivered by the discs will accumulate against the shutter means. A small quantity of fibers will nevertheless stretch between the ends of the curling fingers and eye of needles; these are interfering fibers.
  • the needles have reached their neutral point low. They “knock down” the pseudo-wire between the plates slaughter in rear position thus forming a mesh.
  • the shutter means are “locked” in their position low and thus continue to stop the fibers always delivered by the discs.
  • the needles have started to rise.
  • the plates always in the forward position, prevent knitting go up with the needles.
  • the needles are preparing to lift the shutter means that have accumulated a large part of the fibers constituting the pseudo-yarn which will be used to form the next row of stitches.
  • the interfering fibers form a loop on the back of the product.
  • the needles penetrate between the discs. AT from this moment, the fibers will accumulate against needles and constitute a pseudo-thread (in which they will be parallel thanks to the orientation precise veil).
  • the needles have started to descend and leave the discs. From this moment, the fibers which will continue to be delivered by discs (animated of a uniform rotational movement) will constitute the interfering fibers and supply the loops.
  • the needles have reached their neutral point low. They "knock down" the pseudo-wire between the plates slaughter in rear position thus forming a mesh. They brought with it the interfering fibers on the length 1c corresponding approximately to their stroke and at the desired loop height. These interfering fibers have not been removed from the veil since the discs have just continued to spin for deliver exactly that amount. The needles have so no effort was made.
  • the needles have started to rise.
  • the plates always in the forward position, prevent knitting go up with the needles.
  • the discs issued a certain length of sail passing behind the axis of the needle.
  • a first advantage is its simplicity of setting in work, since the realization of the loops therefore of velvet is made without the use of additional elements specific (such as circuit board) unlike conventional yarn-based processes.
  • a second advantage is that this process is high reliability and security of operation, because the needles do not undergo significant efforts neither to constitute the basic jersey used for the flat cohesion of the knit, nor for the constitution of loops, unlike processes velvet generation nonwovens such as needling.
  • Another advantage of this process is that the cost of manufacturing the products is considerably reduced, since the spinning operation will only be no longer needed for knitwear velvet, fleece or fleece.
  • the speeds of production of trades derived from the process can be very high, which improves the manufacturing yield.
  • fibers with difficulty spinable or whose spinning cost is particularly high such as certain natural fibers or micro fibers.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
EP01870283A 2001-07-18 2001-12-20 Verfahren und Vorrichtung zur Herstellung von direkt aus Fasern und/oder Filamenten erhaltenen textilen Maschenwaren und erhaltene Produkte Withdrawn EP1321553A1 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP01870283A EP1321553A1 (de) 2001-12-20 2001-12-20 Verfahren und Vorrichtung zur Herstellung von direkt aus Fasern und/oder Filamenten erhaltenen textilen Maschenwaren und erhaltene Produkte
YU4704A YU4704A (sh) 2001-07-18 2002-07-16 Postupak i uređaj za izradu pletenih tekstilnih proizvoda direktno od niti i/ili vlakana i dobijeni proizvodi
HU0401094A HUP0401094A2 (en) 2001-07-18 2002-07-16 Method and device for making meshed textile products directly from fibres and/or filaments and resulting products
US10/483,208 US6918164B2 (en) 2001-07-18 2002-07-16 Method and device for making meshed textile products directly from fibres and/or filaments and resulting products
PL02367463A PL367463A1 (en) 2001-07-18 2002-07-16 Method and device for making meshed textile products directly from fibres and/or filaments and resulting products
PCT/EP2002/007949 WO2003008686A2 (fr) 2001-07-18 2002-07-16 Procede et dispositif de fabrication de produits textiles mailles directement a partir de fibres et/ou filaments et produits obtenus
EP20020758351 EP1407068A2 (de) 2001-07-18 2002-07-16 Verfahren und vorrichtung zur herstellung von textilen maschenwaren direkt aus fasern oder filamenten und erhaltene waren

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01870283A EP1321553A1 (de) 2001-12-20 2001-12-20 Verfahren und Vorrichtung zur Herstellung von direkt aus Fasern und/oder Filamenten erhaltenen textilen Maschenwaren und erhaltene Produkte

Publications (1)

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EP1321553A1 true EP1321553A1 (de) 2003-06-25

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EP01870283A Withdrawn EP1321553A1 (de) 2001-07-18 2001-12-20 Verfahren und Vorrichtung zur Herstellung von direkt aus Fasern und/oder Filamenten erhaltenen textilen Maschenwaren und erhaltene Produkte

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1660779A1 (de) * 1965-02-06 1971-02-11 Ici Ltd Verfahren zum Einschusswirken von Werg
EP0479880A1 (de) * 1989-06-30 1992-04-15 Sommer Sa Verfahren und vorrichtung zum herstellen von textilprodukten aus fasern oder fäden und fertigprodukte.
DE4235858A1 (de) * 1992-08-26 1994-03-03 Malimo Maschinenbau Verfahren und Vorrichtung zur Herstellung eines Vliesstoffes
DE4239469A1 (de) * 1992-11-24 1994-05-26 Malimo Maschinenbau Verfahren und Vorrichtung zum Verfestigen von quer orientiertem Faservlies
WO1996010667A1 (fr) * 1994-09-30 1996-04-11 Sommer S.A. Procede et dispositif de fabrication de produits textiles a partir de fibres et/ou de filaments, et produits obtenus
WO2000060155A1 (fr) * 1999-04-06 2000-10-12 Sai Automotive Sommer Industrie Dispositif et procede de fabrication de produits textiles a partir de fibres et/ou filaments

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1660779A1 (de) * 1965-02-06 1971-02-11 Ici Ltd Verfahren zum Einschusswirken von Werg
EP0479880A1 (de) * 1989-06-30 1992-04-15 Sommer Sa Verfahren und vorrichtung zum herstellen von textilprodukten aus fasern oder fäden und fertigprodukte.
DE4235858A1 (de) * 1992-08-26 1994-03-03 Malimo Maschinenbau Verfahren und Vorrichtung zur Herstellung eines Vliesstoffes
DE4239469A1 (de) * 1992-11-24 1994-05-26 Malimo Maschinenbau Verfahren und Vorrichtung zum Verfestigen von quer orientiertem Faservlies
WO1996010667A1 (fr) * 1994-09-30 1996-04-11 Sommer S.A. Procede et dispositif de fabrication de produits textiles a partir de fibres et/ou de filaments, et produits obtenus
WO2000060155A1 (fr) * 1999-04-06 2000-10-12 Sai Automotive Sommer Industrie Dispositif et procede de fabrication de produits textiles a partir de fibres et/ou filaments

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