EP2107144B1 - Weaving method to produce a carpet and a carpet obtained through such a method - Google Patents

Weaving method to produce a carpet and a carpet obtained through such a method Download PDF

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Publication number
EP2107144B1
EP2107144B1 EP20090156814 EP09156814A EP2107144B1 EP 2107144 B1 EP2107144 B1 EP 2107144B1 EP 20090156814 EP20090156814 EP 20090156814 EP 09156814 A EP09156814 A EP 09156814A EP 2107144 B1 EP2107144 B1 EP 2107144B1
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EP
European Patent Office
Prior art keywords
carpet
threads
weft
yarns
weft yarns
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.)
Revoked
Application number
EP20090156814
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German (de)
French (fr)
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EP2107144A1 (en
Inventor
Rainer Goessl
Manfred Schneider
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.)
Staeubli Bayreuth GmbH
Original Assignee
Schoenherr Textilmaschinenbau GmbH
Schonherr Textilmaschinenbau BMBH
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Application filed by Schoenherr Textilmaschinenbau GmbH, Schonherr Textilmaschinenbau BMBH filed Critical Schoenherr Textilmaschinenbau GmbH
Publication of EP2107144A1 publication Critical patent/EP2107144A1/en
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    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D27/00—Woven pile fabrics
    • D03D27/02—Woven pile fabrics wherein the pile is formed by warp or weft
    • D03D27/10—Fabrics woven face-to-face, e.g. double velvet

Definitions

  • the present invention relates first of all to a weaving process for producing a double-piece carpet.
  • the invention also relates to a carpet obtained by such a method and comprising primary bonding yarns and secondary bonding yarns.
  • Such a handmade rug is characterized by a high density and a particular knotting of its son so that is found on the back side of the carpet pattern that is drawn on the front side of the carpet.
  • the outer weft son that are surrounded by relief son are arranged on the back side of the carpet and outside its back. This arrangement gives the carpet a handmade appearance.
  • a rug woven according to such a method has a relatively irregular, and sometimes a little loose, outer weft son son, because they are held only by relief son, which is poorly controlled tension.
  • these outer weft yarns are relatively exposed to premature wear against the ground.
  • EP-A-0 628 649 discloses a backed mat comprising tension warp yarns, internal weft yarns, outer weft yarns, primary binder yarns binding the internal weft yarns to the backing, and embossed yarns surrounding the weft yarns external and forming hairs.
  • the internal weft threads are linked by a primary binding thread.
  • the holding of the weft threads internal depends entirely on these primary bonding yarns. The holding of this carpet can be amondrie when breaking one of these primary bonding son.
  • the present invention aims to overcome these disadvantages, by proposing a weaving process and a carpet using secondary bonding son which binds to the file the outer weft son that are surrounded by son embossed.
  • This method is characterized in that two consecutive internal weft yarns in the warp direction are bonded by separate primary bonding yarns.
  • This carpet is characterized in that it comprises two consecutive inner warp threads in the warp direction bound by separate primary warp threads.
  • a carpet according to the invention has high mechanical strength and wear resistance as well as good hand-made appearance.
  • the figure 1 illustrates a double carpet T1, during its weaving according to a method according to the invention and by means of a loom not shown having two weft insertion levels.
  • the double belt T1 is composed of two parts, namely an upper belt 100 and a lower belt 200. After their weaving, the upper belt 100 and the lower belt 200 are separated by means of a knife 12 and known manner in itself.
  • the carpet 100 has a back 108 which delimits the inner 100l and outer 100E sides of the carpet 100.
  • the outer side 100E comprises the back of the carpet 100, which is intended to be in contact with the ground or any other support.
  • the inner side 1001 comprises the face of the belt 100, which is intended to be turned towards the room where the carpet 100 is arranged.
  • the outer and inner sides respectively form the back sides 100E and face 100l of the carpet 100.
  • the backrest 108 includes threads of dead bristles 102, that is to say bristles that do not immediately form reliefs.
  • the dead bristles 102 extend in the chain direction symbolized by the axis C-C '.
  • the wires 102 are represented at figure 1 schematically by the envelope of the volume in which they are arranged.
  • the carpet 100 further comprises drawing bristles 103 which extend generally in a direction ZZ 'perpendicular to the direction CC' and transverse to the general plane of the carpet, so as to form bristles on the face side 100l.
  • the drawing pile threads 103 determine the pattern formed on the face side 100l of the carpet 100.
  • the dead pile threads 102 are intended to form embossed pattern pile threads 103 on the face 1001, on other zones of the pile 100.
  • double carpet T1 that represented in the figure 1 .
  • the thicknesses of the drawing bristles 103 are shown between two dashes.
  • the figure 1 shows reliefs formed by a single drawing thread 103.
  • these reliefs may be formed by several son of successive or simultaneous hairs.
  • a carpet according to the invention may comprise other son embossed, such as loop son, dead loop son being intended to form buckles in relief on the front side of the carpet.
  • the carpet 100 further comprises so-called external weft threads 111, which are inserted on the outer side 100E, and so-called internal weft threads 112, which are inserted on the inner side 100l.
  • each outer weft thread 111 is surrounded by drawing bristles 103.
  • the bristles 103 are wrapped exclusively around the outer weft threads 111, thereby forming fastening loops 114 which determine the pattern on the back sides. 100E of the carpet 100.
  • the backrest 108 further includes tension wires 104 extending in the chain direction C-C 'and the side 100E.
  • the tension son 104 contribute to the holding of the folder 108 by means of the tension they support.
  • the folder 108 also includes so-called median weft threads 113 which are inserted between the tension threads 104 and the dead bristles 102.
  • the weft threads 113 are referred to as medians because they are arranged generally between the outer weft threads 111 and the inner weft threads 112.
  • the medial weft threads 113 are located in a medial region of the backrest 108.
  • the belt 100 comprises an outer weft yarn 111 for a median weft yarn 113 and an internal weft yarn 112.
  • the belt 100 thus has a relatively dense structure.
  • the tensioning threads 104 are arranged between the outer weft threads 111 and the medial threads 113, so that they are isolated from the dead bristle threads 102. This makes it possible to hide the dead bristle threads 102 which are intended to to form son of drawing hairs 103 and which therefore have hues that may degrade the appearance "handmade", if they were exposed back side 100E.
  • the tension son can be arranged between the median weft son and the internal weft son, so in contact with the son of dead hairs 102.
  • the backing 108 further comprises primary binding yarns 121, 122 and 123, whose function is to bind back 108 the inner weft threads 112 and the middle weft threads 113.
  • each of the threads primary binding means 121, 122 and 123 binds to the backrest 108 one internal weft thread 112 out of three and one middle weft thread 113 out of three.
  • three weft threads internal 112 and three median weft son 113 thus at least two inner weft threads 112 and at least two median weft threads 113, consecutive in the chain direction CC 'are bonded to the back 118 respectively by primary tie yarns 121 , 122 and 123 separate.
  • the primary binding yarns 121, 122 and 123 thus follow a reps type armor equal to 9.
  • the primary bonding yarns 121, 122 and 123 may be distributed in the width of the carpet 100 every 1 to 3 chain passes in the comb of the loom.
  • the primary bonding yarns 121, 122 and 123 may be distributed in three consecutive chain passes in the T-T 'weft direction.
  • the folder 108 further comprises secondary bonding threads, one of which is visible at the figure 1 with the reference 131.
  • the secondary binding yarn 131 extends in the chain direction CC 'and binds to the folder 108 the outer weft threads 111.
  • the secondary binding yarn 131 is attached to the folder 108, consecutively in the chain direction C-C ', each median weft yarn 113 and each outer weft yarn 111, thus each outer weft yarn 111 which is surrounded by drawing pile yarns 103.
  • the description of the carpet 100 given above in relation to the figure 1 can be directly transposed to the carpet 200 which is similar to it.
  • Elements of the belt 200 that are identical or corresponding to those of the belt 100 bear the same numerical references increased by 100.
  • the dead pile yarns 202, the backrest 208, the backside 200E, the faceplate 200l, the tensioning wires are defined.
  • the double carpet T1 is woven on a double-ply loom having two insertion planes in which two weft son are simultaneously inserted at each cycle.
  • an outer weft thread 111 is inserted into the insertion plane corresponding to the carpet 100, while a middle weft thread 213 is simultaneously inserted into the shedding plane corresponding to the 200.
  • a median weft thread 113 and an outer weft wire 211 are simultaneously inserted.
  • two internal frame wires 112 and 212 are inserted.
  • a pile yarn 103 wrap around an outer weft thread 111 of the belt 100 by forming a fastening loop 114 and then around an outer weft yarn 211 of the belt 200 forming a fastening loop 214, before returning to form a fastening loop on the belt 100 around the outer weft thread in the chain direction C-C '.
  • the carpet 200 is distinguished from the carpet 100 by the relative positions of the external weft yarns 211, internal 212 and median yarns 213.
  • the internal weft threads 112 are opposite the outer weft threads 111
  • the internal weft yarns 212 are facing the middle weft yarns 113, i.e. they occupy a staggered position relative to the outer weft yarns 211.
  • the figure 2 illustrates a double piece carpet T2 according to a second embodiment of the invention, for which the elements similar to those of the figure 1 carry identical numerical references.
  • the double piece carpet T2 is formed of an upper carpet 300 and a lower carpet 400 woven according to a method according to the invention.
  • the carpet 300 comprises a backrest 308, which comprises threads similar to those of the backs 108 and 208.
  • the carpet 300 thus comprises dead pile threads 102, tension threads 104, external weft threads 111, weft threads
  • the carpet 300 comprises a secondary binding yarn 331 which substantially fulfills the same function as the secondary binding yarn 131 for the carpet 100.
  • the carpet 300 differs from the mats 100 and 200 by the relative position of the weft threads 111, 112 and 113, as well as by the path followed by the secondary binding thread 331.
  • the carpet 300 thus comprises two external weft threads 111 for an inner weft thread 112 and a middle weft thread 113.
  • the outer weft threads 111, internal weft threads 112 and medial weft threads 113 are offset from each other in the C-warp direction. VS'.
  • the inner frame wires 112 are "staggered" relative to the outer weft wires 111 or the middle weft wires 113.
  • the folder 308 comprises two types of primary binding son 121 and 122, each of which binds to the back 308 an internal weft thread 112 out of two and a median weft thread 113 out of two.
  • the primary binding yarns 121 and 122 follow a repetition type armor equal to 8.
  • the carpet 400 has a structure identical to that of the carpet 300.
  • carpets 300 and 400 have fewer weft yarns and fewer primary binder yarns, they have a density lower than the density of the belt 100 or 200. Thus, for identical weights and yarn tensions, the carpet 300 or 400 is lighter than the carpet 100 or 200.
  • the double carpet T2 is woven on a double-ply loom having two insertion planes in which two weft son are simultaneously inserted at each cycle. Two insertion cycles are required for a pile yarn 103 to wrap around an outer weft thread 111 of the carpet 300 forming a fastening loop 114, and then around an outer weft yarn 211 of the carpet 400 forming a fastening loop 214.
  • the figure 3 illustrates a carpet 500 according to a third embodiment of the invention.
  • the carpet 500 comprises a back 508 and drawing pile son 103.
  • the son identical to the son of the folders 108 to 408 have identical reference numerals.
  • the carpet 500 thus comprises dead pile threads 102, tension threads 104, external weft threads 111, internal frame threads 112, medial weft threads 113 and primary bond threads 121, 122 and 123.
  • the carpet 500 is shown in the individualized state, that is to say separated from the double-piece carpet obtained by a weaving method according to the invention.
  • the outer weft yarns 111, the internal weft yarns 112 and the medial weft yarns 113 are arranged relative to the tension yarns 104 and relative to one another in the same manner as in the carpet. 100.
  • the outer weft threads 111 are opposite the threads of internal weft 112 and "staggered" with respect to the middle weft threads 113.
  • the carpet 500 comprises an outer weft thread 111 for a median weft thread 113 and an internal weft thread 112.
  • the primary threads 121, 122 and 123 follow the same armor and the same path in file 508 as in file 108.
  • the carpet 500 is further distinguished from the carpet 100 in that it comprises two secondary binding yarns 531 and 532, which respectively wind around the outer weft yarns 111 and the middle weft yarns 113.
  • the weave of the yarns 531 and 532 secondary bonding is such that two outer weft son 111 consecutively bonded by a secondary bonding yarn 531 or 532 are separated by at least one outer weft yarn released from the secondary bonding yarn 531 or 532.
  • dégon on means a weft yarn which is not surrounded by a binding yarn and which has no contact therewith.
  • the secondary bonding yarns 531 and 532 respectively have portions 533 and 534 that float on and between two medial weft yarns 113 without surrounding the outer weft yarn 111 located between these two middle weft yarns 113 and between two external weft threads 111 consecutively bonded by the secondary binding yarn 531 or 532.
  • secondary binding yarns can be inserted in only one of the belts 100 or 200, for example in the lower belt 200 but not in the upper belt 100.
  • carpet 100, 200, 300, 400 or 500 For example, son of synthetic silk, for example polyester, having a linear density of between five tex and one hundred tex, preferably between thirty tex and fifty tex.
  • the son of drawing hairs 103 which are thicker, are able to almost completely mask the secondary binding yarns 131, 231, 331, 431, 531 and / or 532.
  • the design appearing on the 100E back side is therefore exclusively determined by the loops 114 and 214 of the pattern bristles 103 around the outer weft wires 111 and 211.
  • a carpet according to the invention therefore has a "hand-made" appearance, because the drawing pile son reproduce on the back side of the carpet the drawing appearing on the side and because the secondary binding son are almost invisible on the back side of the carpet.
  • secondary binding son 131, 231, 331, 431, 531 or 532 it is possible to optimize their distribution in the width of the belt 100, 200, 300, 400 or 500, depending on the desired yarn consumption, carpet density, stability and strength.
  • two secondary binding yarns 131, 231, 331, 431, 531 or 532, consecutive in the T-T 'weft direction, can be incorporated every 10 to 100 chain passes in the comb. This advantageously makes it possible to reduce the consumption of secondary bonding yarns.
  • two secondary binding yarns 131, 231, 331, 431, 531 and / or 532 are separated by an interval representing between 10 and 100 teeth of a loom comb.
  • the interval L1 is twelve comb teeth, that is to say there are twelve son of bristles 103 between two consecutive secondary bonding wires 131 in the weft direction T-T '.
  • the interval L1 separating two son of secondary bonds 531 or 532 consecutive in the direction of TT 'frames is twelve comb teeth.
  • the secondary bonding yarns 531 are staggered or "staggered” relative to the secondary bonding yarns 532, which decreases their visibility.
  • the offset between two neighboring son 531 and 532 is six comb teeth.
  • the interval separating two secondary binding yarns 131 or the like can vary in the weft direction TT 'and according to the distance in the middle M of the carpet 100. This makes it possible to reinforce the mechanical strength and the stability of the carpet 100 in the median regions close to the middle M compared to the peripheral regions that are further away. Such a structure makes it possible to optimize the consumption of secondary binding yarns 131 with respect to the mechanical strength that the carpet must present at its median and peripheral regions.
  • the median region of the belt 100 may have a gap L1 of twelve comb teeth, which is about 20 mm to 40 mm. Then, at a quarter of the width L of the belt 100, the secondary binding yarns 131 are separated by a gap L2 of about twenty-four teeth, which is between 40 mm and 80 mm. Finally, at the edges of the carpet, two secondary bonding yarns 131 consecutive can be separated by an interval of about fifty comb teeth, 80 mm to 160 mm.
  • the present invention therefore makes it possible to produce a carpet with optimized and high mechanical strength and resistance to wear as well as a good hand-made appearance.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Woven Fabrics (AREA)
  • Carpets (AREA)

Description

La présente invention concerne tout d'abord un procédé de tissage pour réaliser un tapis double pièce. L'invention concerne aussi un tapis obtenu par un tel procédé et comportant des fils de liage primaires et des fils de liage secondaires.The present invention relates first of all to a weaving process for producing a double-piece carpet. The invention also relates to a carpet obtained by such a method and comprising primary bonding yarns and secondary bonding yarns.

Dans le domaine du tissage de tapis par un procédé mécanisé, il peut être souhaitable de réaliser un tapis présentant une apparence de tapis fabriqué à la main. Un tel tapis fait main se caractérise par une densité élevée et par un nouage particulier de ses fils de sorte que l'on retrouve sur le côté dos du tapis le motif qui est dessiné sur le côté face du tapis.In the field of carpet weaving by a mechanized process, it may be desirable to provide a carpet having a hand-made carpet appearance. Such a handmade rug is characterized by a high density and a particular knotting of its son so that is found on the back side of the carpet pattern that is drawn on the front side of the carpet.

EP-A-1 746 190 décrit un procédé de tissage permettant d'obtenir un tapis d'apparence fait main et comprenant :

  • un dossier constitué de fils de liage et de fils de trame internes et externes ;
  • des fils de chaîne de tension ; et
  • des fils de relief, poil ou boucle, entourant les des fils de trame externes, ainsi que des fils de relief dits morts destinés à devenir des fils de relief.
EP-A-1,746,190 discloses a weaving process for obtaining a hand-made carpet comprising:
  • a folder consisting of binding threads and internal and external weft threads;
  • tension warp yarns; and
  • son embossed, hair or loop, surrounding the external weft son, and so-called dead son son to become son embossed.

De plus, les fils de trame externes qui sont entourés par des fils de reliefs sont disposés sur le côté dos du tapis et en dehors de son dossier. Cette disposition permet de donner au tapis une apparence fait main.In addition, the outer weft son that are surrounded by relief son are arranged on the back side of the carpet and outside its back. This arrangement gives the carpet a handmade appearance.

Cependant, un tapis tissé selon un tel procédé présente une tenue relativement irrégulière, et parfois un peu lâche, des fils de trame externes, car ces derniers ne sont tenus que par des fils de reliefs, dont on maîtrise mal la tension. En outre, ces fils de trame externes sont relativement exposés à une usure prématurée contre le sol.However, a rug woven according to such a method has a relatively irregular, and sometimes a little loose, outer weft son son, because they are held only by relief son, which is poorly controlled tension. In addition, these outer weft yarns are relatively exposed to premature wear against the ground.

EP-A-0 628 649 décrit un tapis comportant un dossier qui comprend des fils de chaîne de tension, des fils de trame internes, des fils de trame externes, des fils de liage primaires liant les fils de trame internes au dossier et des fils de relief entourant les fils de trame externes et formant des poils. Les fils de trame internes sont liés par un fil de liage primaire. Cependant, la tenue des fils de trame interne dépend entièrement de ces fils de liage primaires. La tenue de ce tapis peut donc être amondrie lors de la rupture d'un de ces fils de liage primaires. EP-A-0 628 649 discloses a backed mat comprising tension warp yarns, internal weft yarns, outer weft yarns, primary binder yarns binding the internal weft yarns to the backing, and embossed yarns surrounding the weft yarns external and forming hairs. The internal weft threads are linked by a primary binding thread. However, the holding of the weft threads internal depends entirely on these primary bonding yarns. The holding of this carpet can be amondrie when breaking one of these primary bonding son.

La présente invention vise notamment à remédier à ces inconvénients, en proposant un procédé de tissage et un tapis mettant en oeuvre des fils de liage secondaires qui lient au dossier les fils de trame externes qui sont entourés par des fils de relief.The present invention aims to overcome these disadvantages, by proposing a weaving process and a carpet using secondary bonding son which binds to the file the outer weft son that are surrounded by son embossed.

A cet effet, l'invention a pour objet un procédé de tissage pour réaliser un tapis double pièce au moyen d'un métier à tisser double nappe, dans lequel :

  1. a) on réalise un dossier délimitant le côté face du côté dos du tapis et comprenant :
    • des fils de tension s'étendant dans la direction de chaîne,
    • des fils de trame dits internes insérés du côté face du tapis, et
    • des fils de liage primaires liant les fils de trame internes au dossier ;
  2. b) on insère, du côté dos du tapis, des fils de trame dits externes ;
  3. c) on incorpore au tapis des fils de relief de sorte qu'ils entourent au moins certains des fils de trame externes, les fils de relief formant des poils ou des boucles sur le côté face du tapis, et des fils de relief dits morts s'étendant dans la direction de chaîne ;
  4. d) on incorpore dans la direction de chaîne des fils de liage secondaires, de façon à lier au dossier chaque fil de trame externe qui est entouré par des fils de relief.
For this purpose, the subject of the invention is a weaving process for producing a double-piece carpet by means of a double-ply loom, in which:
  1. a) a folder delimiting the face side of the back side of the carpet and comprising:
    • tension threads extending in the warp direction,
    • said internal weft threads inserted on the front side of the carpet, and
    • primary bonding yarns binding the internal weft threads to the file;
  2. b) is inserted on the back side of the carpet, so-called external weft son;
  3. c) embossing embossed yarns so that they surround at least some of the outer weft yarns, the embossed pile yarns forming loops on the front side of the carpet, and so-called dead relief yarns; extending in the warp direction;
  4. d) secondary warp yarns are incorporated in the warp direction so as to bind to the back each outer weft yarn which is surrounded by embossed yarns.

Ce procédé se caractérise en ce qu'on lie deux fils de trame internes consécutifs dans la direction de chaîne par des fils de liage primaires distincts.This method is characterized in that two consecutive internal weft yarns in the warp direction are bonded by separate primary bonding yarns.

Les étapes de ce procédé sont réalisées de manière sensiblement concomitante.The steps of this process are performed substantially concomitantly.

Par ailleurs, l'invention a pour objet un tapis comportant :

  • un dossier délimitant le côté face du côté dos du tapis et comprenant :
    • des fils de tension s'étendant dans la direction de chaîne,
    • des fils de trame dits internes insérés du côté face du tapis, et
    • des fils de liage primaires liant les fils de trame internes au dossier,
  • des fils de trame dits externes insérés du côté dos du tapis, et
  • des fils de relief entourant au moins certains des fils de trame externes et formant des poils ou des boucles sur le côté face du tapis, et des fils de relief dits morts s'étendant dans la direction de chaîne,
  • des fils de liage secondaires s'étendant dans la direction de chaîne et liant au dossier chaque fil de trame externe qui est entouré par des fils de relief.
Moreover, the subject of the invention is a carpet comprising:
  • a file delimiting the face side of the back side of the carpet and comprising:
    • tension threads extending in the warp direction,
    • said internal weft threads inserted on the front side of the carpet, and
    • primary bonding yarns binding the internal weft threads to the back,
  • so-called external weft threads inserted on the back side of the carpet, and
  • embossed threads surrounding at least some of the outer weft threads and forming bristles or loops on the face side of the carpet, and so-called dead warp threads extending in the warp direction,
  • secondary binding yarns extending in the warp direction and binding to the backrest each outer weft yarn which is surrounded by embossed yarns.

Ce tapis se caractérise en ce qu'il comprend deux fils de trame internes consécutifs dans la direction de chaîne liés par des fils de liage primaires distincts.This carpet is characterized in that it comprises two consecutive inner warp threads in the warp direction bound by separate primary warp threads.

Un tapis conforme à l'invention présente une résistance mécanique et une résistance à l'usure élevée ainsi qu'une bonne apparence fait main.A carpet according to the invention has high mechanical strength and wear resistance as well as good hand-made appearance.

Selon des caractéristiques avantageuses mais facultatives de l'invention, prises isolément ou selon toute combinaison techniquement admissible :

  • chacun des fils de trame externes est entouré par des fils de relief ;
  • le dossier comprend, en outre, des fils de trame dits médians qui sont insérés du côté dos entre les fils de liage primaires et les fils de poils morts, les fils de liage primaires lient au dossier les fils de trame internes et les fils de trame médians et les fils de liage secondaires lient au dossier les fils de trame médians et les fils de trame externes ;
  • le tapis comprend un fil de trame externe pour un fil de trame médian et pour un fil de trame interne ;
  • tous les fils de trames externes et tous les fils de trames médians sont liés, consécutivement suivant la direction de chaîne, par un même fil de liage secondaire ;
  • deux fils de trames externes consécutivement liés par un même fil de liage secondaire sont séparés par au moins un fil de trame externe dégagé dudit fil de liage secondaire ;
  • le tapis comprend des premiers et des deuxièmes fils de liage secondaires, les premiers fils de liage secondaires s'enroulant autour des fils de trame médians et d'un fil de trame externe sur deux, les deuxièmes fils de liage secondaires s'enroulant autour des fils de trame médians et de chaque fil de trame externe dégagé des premiers fils de liage secondaires ;
  • le tapis comprend deux fils de trame externes pour un fil de trame médian et pour un fil de trame interne ;
  • tous les fils de trames sont liés, consécutivement suivant la direction de chaîne, par un même fil de liage secondaire ;
  • les fils de liage secondaires sont en soie synthétique, par exemple en polyester ;
  • chaque fil de liage secondaire a une masse linéique comprise entre 5 tex et 100 tex, de préférence entre 30 tex et 50 tex ;
  • deux fils de liage secondaires consécutifs dans la direction de trame sont incorporés avec des intervalles de 10 à 100 passages de chaîne dans le peigne ; et
  • deux fils de liage secondaires consécutifs dans la direction de trame sont incorporés avec des intervalles de passages de chaîne dans le peigne variables suivant la largeur du tapis considérée parallèlement à la direction de trame.
According to advantageous but optional features of the invention, taken in isolation or in any technically permissible combination:
  • each of the outer weft threads is surrounded by embossed threads;
  • the backing further comprises so-called median weft threads which are inserted on the back side between the primary binding yarns and the dead pile yarns, the primary binding yarns connecting the internal weft yarns and the weft yarns to the back medians and secondary binding wires bind the medial weft threads and outer weft threads;
  • the mat comprises an outer weft yarn for a median weft yarn and for an inner weft yarn;
  • all the outer and outer media wires are bonded consecutively in the warp direction by the same secondary bonding wire;
  • two son of external frames consecutively bonded by the same secondary bonding wire are separated by at least one outer weft wire released from said secondary bonding wire;
  • the carpet comprises first and second secondary bonding yarns, the first secondary bonding yarns wrapping around the middle weft yarns and one out of every two outer weft yarns, the second secondary bonding yarns wrapping around the median weft yarns and each outer weft yarn released from the first secondary tying yarns;
  • the carpet comprises two outer weft yarns for a median weft yarn and for an inner weft yarn;
  • all the frame wires are bonded, consecutively in the warp direction, by the same secondary bonding wire;
  • the secondary bonding yarns are made of synthetic silk, for example polyester;
  • each secondary bonding yarn has a linear density of between 5 tex and 100 tex, preferably between 30 tex and 50 tex;
  • two consecutive secondary bonding yarns in the weft direction are incorporated with intervals of 10 to 100 chain passes into the comb; and
  • two consecutive secondary bonding yarns in the weft direction are incorporated with varying chain-pass intervals in the comb depending on the width of the carpet considered parallel to the weft direction.

L'invention sera bien comprise et ses avantages ressortiront aussi à la lumière de la description qui va suivre, donnée uniquement à titre d'exemple non limitatif et faite en se référant aux dessins annexés dans lesquels :

  • la figure 1 est une coupe, parallèlement à la direction de chaîne, de deux tapis conformes à un premier mode de réalisation de l'invention, au cours de leur tissage selon un procédé conforme à l'invention ;
  • la figure 1a est une représentation schématique du tapis de la figure 1 illustrant des cycles d'insertion mis en oeuvre lors de son tissage ;
  • la figure 2 est une coupe analogue à la figure 1 de deux tapis conformes à un deuxième mode de réalisation de l'invention ;
  • la figure 3 est une coupe, parallèlement à la direction de chaîne, d'un tapis conforme à un troisième mode de réalisation de l'invention, à l'issue d'un procédé de tissage conforme à l'invention ;
  • la figure 4 est une vue de dos d'une partie du tapis de la figure 1 ou de la figure 2 ;
  • la figure 5 est une vue analogue à la figure 4 d'une partie du tapis de la figure 3 ; et
  • la figure 6 est une représentation schématique d'une demi-section latérale, parallèlement à la direction de trame, d'un tapis conforme à l'invention.
The invention will be well understood and its advantages will also emerge in the light of the description which follows, given solely by way of nonlimiting example and with reference to the appended drawings in which:
  • the figure 1 is a section, parallel to the warp direction, of two mats according to a first embodiment of the invention, during their weaving according to a method according to the invention;
  • the figure 1a is a schematic representation of the carpet of the figure 1 illustrating insertion cycles implemented during his weaving;
  • the figure 2 is a cut similar to the figure 1 two mats according to a second embodiment of the invention;
  • the figure 3 is a section, parallel to the warp direction, of a carpet according to a third embodiment of the invention, after a weaving process according to the invention;
  • the figure 4 is a back view of a portion of the carpet of the figure 1 or from figure 2 ;
  • the figure 5 is a view similar to the figure 4 part of the carpet of the figure 3 ; and
  • the figure 6 is a schematic representation of a lateral half-section, parallel to the weft direction, of a carpet according to the invention.

La figure 1 illustre un double tapis T1, au cours de son tissage selon un procédé conforme à l'invention et au moyen d'un métier à tisser non représenté comportant deux niveaux d'insertion de trame. Le double tapis T1 est composé de deux pièces, à savoir d'un tapis supérieur 100 et d'un tapis inférieur 200. Après leur tissage, le tapis supérieur 100 et le tapis inférieur 200 sont séparés au moyen d'un couteau 12 et de manière connue en soi.The figure 1 illustrates a double carpet T1, during its weaving according to a method according to the invention and by means of a loom not shown having two weft insertion levels. The double belt T1 is composed of two parts, namely an upper belt 100 and a lower belt 200. After their weaving, the upper belt 100 and the lower belt 200 are separated by means of a knife 12 and known manner in itself.

Le tapis 100 comporte un dossier 108 qui délimite les côtés interne 100l et externe 100E du tapis 100. Le côté externe 100E comprend le dos du tapis 100, lequel est destiné à être en contact avec le sol ou tout autre support. Le côté interne 100l comprend la face du tapis 100, laquelle est destinée à être tournée vers la pièce où est disposée le tapis 100. Les côtés externe et interne forment respectivement les côtés dos 100E et face 100l du tapis 100.The carpet 100 has a back 108 which delimits the inner 100l and outer 100E sides of the carpet 100. The outer side 100E comprises the back of the carpet 100, which is intended to be in contact with the ground or any other support. The inner side 1001 comprises the face of the belt 100, which is intended to be turned towards the room where the carpet 100 is arranged. The outer and inner sides respectively form the back sides 100E and face 100l of the carpet 100.

Le dossier 108 comprend des fils de poils morts 102, c'est-à-dire des fils de poils qui ne forment pas immédiatement de reliefs. Les fils de poils morts 102 s'étendent dans la direction de chaîne symbolisée par l'axe C-C'. Les fils 102 sont représentés à la figure 1 de manière schématique par l'enveloppe du volume dans lequel ils sont disposés.The backrest 108 includes threads of dead bristles 102, that is to say bristles that do not immediately form reliefs. The dead bristles 102 extend in the chain direction symbolized by the axis C-C '. The wires 102 are represented at figure 1 schematically by the envelope of the volume in which they are arranged.

Le tapis 100 comporte en outre des fils de poils de dessin 103 qui s'étendent globalement selon une direction Z-Z' perpendiculaire à la direction C-C' et transversale au plan général du tapis, de façon à former des poils sur le côté face 100l. Les fils de poils de dessin 103 déterminent le dessin formé sur le côté face 100l du tapis 100. Les fils de poils morts 102 sont destinés à former des fils de poil de dessins 103 en relief sur la face 100l, sur d'autres zones du double tapis T1 que celle représentée à la figure 1. Sur la figure 1, les épaisseurs des fils de poils de dessin 103 sont représentées entre deux traits mixtes.The carpet 100 further comprises drawing bristles 103 which extend generally in a direction ZZ 'perpendicular to the direction CC' and transverse to the general plane of the carpet, so as to form bristles on the face side 100l. The drawing pile threads 103 determine the pattern formed on the face side 100l of the carpet 100. The dead pile threads 102 are intended to form embossed pattern pile threads 103 on the face 1001, on other zones of the pile 100. double carpet T1 that represented in the figure 1 . On the figure 1 , the thicknesses of the drawing bristles 103 are shown between two dashes.

La figure 1 montre des reliefs formés par un seul fil de poil de dessin 103. Cependant, ces reliefs peuvent être formés par plusieurs fils de poils successifs ou simultanés. Alternativement aux fils 102 et 103, un tapis conforme à l'invention peut comporter d'autres fils de relief, tels que les fils de boucle, des fils de boucle morts étant destinés à former des boucles en relief sur le côté face du tapis.The figure 1 shows reliefs formed by a single drawing thread 103. However, these reliefs may be formed by several son of successive or simultaneous hairs. Alternatively to the son 102 and 103, a carpet according to the invention may comprise other son embossed, such as loop son, dead loop son being intended to form buckles in relief on the front side of the carpet.

Le tapis 100 comporte en outre des fils de trame dits externes 111, qui sont insérés du côté externe 100E, et des fils de trame dits internes 112, qui sont insérés du côté interne 100l. Dans l'exemple de la figure 1, chaque fil de trame externe 111 est entouré par des fils de poils de dessin 103. Les fils de poils 103 s'enroulent exclusivement autour des fils de trame externes 111, formant ainsi des boucles de fixation 114 qui déterminent le dessin sur les côtés dos 100E du tapis 100.The carpet 100 further comprises so-called external weft threads 111, which are inserted on the outer side 100E, and so-called internal weft threads 112, which are inserted on the inner side 100l. In the example of the figure 1 each outer weft thread 111 is surrounded by drawing bristles 103. The bristles 103 are wrapped exclusively around the outer weft threads 111, thereby forming fastening loops 114 which determine the pattern on the back sides. 100E of the carpet 100.

Le dossier 108 comprend en outre des fils de tension 104 s'étendant dans la direction de chaîne C-C' et du côté 100E. Les fils de tension 104 contribuent à la tenue du dossier 108 au moyen de la tension qu'ils supportent.The backrest 108 further includes tension wires 104 extending in the chain direction C-C 'and the side 100E. The tension son 104 contribute to the holding of the folder 108 by means of the tension they support.

Le dossier 108 comprend également des fils de trame dits médians 113 qui sont insérés entre les fils de tension 104 et les fils de poils morts 102. Les fils de trame 113 sont qualifiés de médians, car ils sont disposés globalement entre les fils de trame externes 111 et les fils de trame internes 112. De plus, comme ils sont insérés entre les fils de tension 104 et les fils 102, les fils de trame médians 113 sont situés dans une région médiane du dossier 108.The folder 108 also includes so-called median weft threads 113 which are inserted between the tension threads 104 and the dead bristles 102. The weft threads 113 are referred to as medians because they are arranged generally between the outer weft threads 111 and the inner weft threads 112. In addition, since they are inserted between the tension threads 104 and the threads 102, the medial weft threads 113 are located in a medial region of the backrest 108.

Le tapis 100 comprend un fil de trame externe 111 pour un fil de trame médian 113 et pour un fil de trame interne 112. Le tapis 100 présente donc une structure relativement dense.The belt 100 comprises an outer weft yarn 111 for a median weft yarn 113 and an internal weft yarn 112. The belt 100 thus has a relatively dense structure.

Dans l'exemple des figures 1 et 2, les fils de tension 104 sont disposés entre les fils de trame externes 111 et les fils de trames médians 113, si bien qu'ils sont isolés des fils de poils morts 102. Cela permet de masquer les fils de poils morts 102 qui sont destinés à former des fils de poils de dessin 103 et qui présentent donc des teintes risquant de dégrader l'apparence « fait main », s'ils étaient exposés du côté dos 100E.In the example of figures 1 and 2 , the tensioning threads 104 are arranged between the outer weft threads 111 and the medial threads 113, so that they are isolated from the dead bristle threads 102. This makes it possible to hide the dead bristle threads 102 which are intended to to form son of drawing hairs 103 and which therefore have hues that may degrade the appearance "handmade", if they were exposed back side 100E.

Cependant, dans une variante non représentée, les fils de tension peuvent être disposés entre les fils de trame médians et les fils de trame internes, donc au contact des fils de poils morts 102.However, in a variant not shown, the tension son can be arranged between the median weft son and the internal weft son, so in contact with the son of dead hairs 102.

Le dossier 108 comprend en outre des fils de liage primaires 121, 122 et 123, qui ont pour fonction de lier au dossier 108 les fils de trame interne 112 et les fils de trame médians 113. Dans le cas du dossier 108, chacun des fils de liage primaires 121, 122 et 123 lie au dossier 108 un fil de trame interne 112 sur trois et un fil de trame médian 113 sur trois. En d'autres termes, trois fils de trame internes 112 et trois fils de trame médians 113, donc au moins deux fils de trame internes 112 et au moins deux fils de trame médians 113, consécutifs dans la direction de chaîne C-C' sont liés au dossier 118 respectivement par des fils de liage primaire 121, 122 et 123 distincts. Les fils de liage primaires 121, 122 et 123 suivent ainsi une armure de type reps de rapport égal à 9.The backing 108 further comprises primary binding yarns 121, 122 and 123, whose function is to bind back 108 the inner weft threads 112 and the middle weft threads 113. In the case of the backrest 108, each of the threads primary binding means 121, 122 and 123 binds to the backrest 108 one internal weft thread 112 out of three and one middle weft thread 113 out of three. In other words, three weft threads internal 112 and three median weft son 113, thus at least two inner weft threads 112 and at least two median weft threads 113, consecutive in the chain direction CC 'are bonded to the back 118 respectively by primary tie yarns 121 , 122 and 123 separate. The primary binding yarns 121, 122 and 123 thus follow a reps type armor equal to 9.

Dans la direction de trame T-T', visible aux figures 4 à 6, les fils de liage primaires 121, 122 et 123 peuvent être repartis dans la largeur du tapis 100 tous les 1 à 3 passages de chaîne dans le peigne du métier à tisser.In the T-T 'frame direction, visible at Figures 4 to 6 the primary bonding yarns 121, 122 and 123 may be distributed in the width of the carpet 100 every 1 to 3 chain passes in the comb of the loom.

De manière avantageuse, les fils de liage primaires 121, 122 et 123 peuvent être répartis dans trois passages de chaîne dans le peigne consécutifs dans la direction de trame T-T'Advantageously, the primary bonding yarns 121, 122 and 123 may be distributed in three consecutive chain passes in the T-T 'weft direction.

Le dossier 108 comporte en outre des fils de liage secondaires, dont l'un est visible à la figure 1 avec la référence 131. Le fil de liage secondaire 131 s'étend dans la direction de chaîne C-C' et lie au dossier 108 les fils de trame externes 111. En l'occurrence, le fil de liage secondaire 131 lie au dossier 108, consécutivement suivant la direction de chaîne C-C', chaque fil de trame médian 113 et chaque fil de trame externe 111, donc chaque fil de trame externe 111 qui est entouré par des fils de poils de dessin 103.The folder 108 further comprises secondary bonding threads, one of which is visible at the figure 1 with the reference 131. The secondary binding yarn 131 extends in the chain direction CC 'and binds to the folder 108 the outer weft threads 111. In this case, the secondary binding yarn 131 is attached to the folder 108, consecutively in the chain direction C-C ', each median weft yarn 113 and each outer weft yarn 111, thus each outer weft yarn 111 which is surrounded by drawing pile yarns 103.

La description du tapis 100 donnée ci-dessus en relation avec la figure 1 peut être directement transposée au tapis 200 qui lui est semblable. Des éléments du tapis 200 identiques ou correspondants à ceux du tapis 100 portent les mêmes références numériques augmentées de 100. On définit ainsi les fils de poils morts 202, le dossier 208, le côté dos 200E, le côté face 200l, les fils de tension 204, les fils de trame externes 211, les fils de trame internes 212, les fils de trame médians 213, les boucles de fixation 214, les fils de liages primaires 221, 222 et 223 et le fil de liage secondaire 231.The description of the carpet 100 given above in relation to the figure 1 can be directly transposed to the carpet 200 which is similar to it. Elements of the belt 200 that are identical or corresponding to those of the belt 100 bear the same numerical references increased by 100. Thus, the dead pile yarns 202, the backrest 208, the backside 200E, the faceplate 200l, the tensioning wires are defined. 204, the outer weft yarns 211, the inner weft yarns 212, the middle weft yarns 213, the fastener loops 214, the primary bond yarns 221, 222 and 223 and the secondary bond yarn 231.

Le double tapis T1 est tissé sur un métier à double nappe disposant de deux plans d'insertion dans lesquels deux fils de trame sont simultanément insérés à chaque cycle.The double carpet T1 is woven on a double-ply loom having two insertion planes in which two weft son are simultaneously inserted at each cycle.

Comme le montre la figure 1a, au cours d'un premier cycle d'insertion, un fil de trame externe 111 est inséré dans le plan d'insertion correspondant au tapis 100, tandis qu'un fil de trame médian 213 est simultanément inséré dans le plan de foule correspondant au tapis 200. Au cycle suivant, un fil de trame médian 113 et un fil de trame externe 211 sont simultanément insérés. Dans un troisième cycle, deux fils de trames internes 112 et 212 sont insérés.As shown in figure 1a during a first insertion cycle, an outer weft thread 111 is inserted into the insertion plane corresponding to the carpet 100, while a middle weft thread 213 is simultaneously inserted into the shedding plane corresponding to the 200. At the next cycle, a median weft thread 113 and an outer weft wire 211 are simultaneously inserted. In a third cycle, two internal frame wires 112 and 212 are inserted.

Ainsi, trois cycles d'insertion sont nécessaires pour qu'un fil de poil 103 s'enroule autour d'un fil de trame externe 111 du tapis 100 en formant une boucle de fixation 114, puis autour d'un fil de trame externe 211 du tapis 200 en formant une boucle de fixation 214, avant de revenir former une boucle de fixation sur le tapis 100 autour du fil de trame externe suivant dans la direction de chaîne C-C'.Thus, three insertion cycles are required for a pile yarn 103 to wrap around an outer weft thread 111 of the belt 100 by forming a fastening loop 114 and then around an outer weft yarn 211 of the belt 200 forming a fastening loop 214, before returning to form a fastening loop on the belt 100 around the outer weft thread in the chain direction C-C '.

Le tapis 200 se distingue du tapis 100 par les positions relatives des fils de trame externes 211, internes 212 et médians 213. En effet, dans le tapis 100, les fils de trame internes 112 se trouvent en regard des fils de trame externe 111, tandis que, dans le tapis 200, les fils de trame internes 212 se trouvent en regard des fils de trame médians 113, c'est-à-dire qu'ils occupent une position en quinconce par rapport aux fils de trame externes 211.The carpet 200 is distinguished from the carpet 100 by the relative positions of the external weft yarns 211, internal 212 and median yarns 213. In fact, in the carpet 100, the internal weft threads 112 are opposite the outer weft threads 111, while in the belt 200, the internal weft yarns 212 are facing the middle weft yarns 113, i.e. they occupy a staggered position relative to the outer weft yarns 211.

La figure 2 illustre un tapis double pièce T2 conforme à un deuxième mode de réalisation de l'invention, pour lequel les éléments semblables à ceux de la figure 1 portent des références numériques identiques.The figure 2 illustrates a double piece carpet T2 according to a second embodiment of the invention, for which the elements similar to those of the figure 1 carry identical numerical references.

Le tapis double pièce T2 est formé d'un tapis supérieur 300 et d'un tapis inférieur 400 tissés selon un procédé conforme à l'invention. Le tapis 300 comporte un dossier 308, lequel comprend des fils semblables à ceux des dossiers 108 et 208. Le tapis 300 comprend ainsi des fils de poils morts 102, des fils de tension 104, des fils de trame externes 111, des fils de trame interne 112 et des fils de trame médian 113. De plus, le tapis 300 comprend un fil de liage secondaire 331 qui remplit sensiblement la même fonction que le fil de liage secondaire 131 pour le tapis 100.The double piece carpet T2 is formed of an upper carpet 300 and a lower carpet 400 woven according to a method according to the invention. The carpet 300 comprises a backrest 308, which comprises threads similar to those of the backs 108 and 208. The carpet 300 thus comprises dead pile threads 102, tension threads 104, external weft threads 111, weft threads In addition, the carpet 300 comprises a secondary binding yarn 331 which substantially fulfills the same function as the secondary binding yarn 131 for the carpet 100.

Le tapis 300 se distingue des tapis 100 et 200 par la position relative des fils de trame 111, 112 et 113, ainsi que par le cheminement suivi par le fil de liage secondaire 331. Le tapis 300 comprend ainsi deux fils de trame externes 111 pour un fil de trame interne 112 et pour un fil de trame médian 113. Les fils de trame externes 111, les fils de trame internes 112 et les fils de trame médians 113 sont décalés les uns par rapport aux autres dans la direction de chaîne C-C'. En d'autres termes, les fils de trames internes 112 sont placés « en quinconce » par rapport aux fils de trame externes 111 ou par rapport aux fils de trame médians 113.The carpet 300 differs from the mats 100 and 200 by the relative position of the weft threads 111, 112 and 113, as well as by the path followed by the secondary binding thread 331. The carpet 300 thus comprises two external weft threads 111 for an inner weft thread 112 and a middle weft thread 113. The outer weft threads 111, internal weft threads 112 and medial weft threads 113 are offset from each other in the C-warp direction. VS'. In other words, the inner frame wires 112 are "staggered" relative to the outer weft wires 111 or the middle weft wires 113.

A la différence du tapis 100, tous les fils de trame 111, 112 et 113 du tapis 300 sont liés, consécutivement sur la direction de chaîne C-C', par le même fil de liage secondaire 331, lequel suit une armure de type toile. Ainsi, contrairement au dossier 108, le dossier 308 est traversé de part en part par le fil de liage secondaire 331.Unlike the carpet 100, all the weft threads 111, 112 and 113 of the carpet 300 are bonded, consecutively to the chain direction C-C ', by the same secondary binding thread 331, which follows a cloth-like weave. . Thus, unlike the folder 108, the file 308 is crossed right through by the secondary bonding wire 331.

D'autre part, le dossier 308 comprend deux types de fils de liage primaires 121 et 122, lesquels lient chacun au dossier 308 un fil de trame interne 112 sur deux et un fil de trame médian 113 sur deux. Les fils de liage primaires 121 et 122 suivent une armure de type reps de rapport égal à 8.On the other hand, the folder 308 comprises two types of primary binding son 121 and 122, each of which binds to the back 308 an internal weft thread 112 out of two and a median weft thread 113 out of two. The primary binding yarns 121 and 122 follow a repetition type armor equal to 8.

Le tapis 400 présente une structure identique à celle du tapis 300.The carpet 400 has a structure identical to that of the carpet 300.

Comme les tapis 300 et 400 comportent moins de fils de trame et moins de fils de liage primaires, ils présentent une densité inférieure à la densité du tapis 100 ou 200. Ainsi, pour des masses linéiques et des tensions des fils identiques, le tapis 300 ou 400 est plus léger que le tapis 100 ou 200. Le double tapis T2 est tissé sur un métier à double nappe disposant de deux plans d'insertion dans lesquels deux fils de trame sont simultanément insérés à chaque cycle. Deux cycles d'insertion sont nécessaires pour qu'un fil de poil 103 s'enroule autour d'un fil de trame externe 111 du tapis 300 en formant une boucle de fixation 114, puis autour d'un fil de trame externe 211 du tapis 400 en formant une boucle de fixation 214.As carpets 300 and 400 have fewer weft yarns and fewer primary binder yarns, they have a density lower than the density of the belt 100 or 200. Thus, for identical weights and yarn tensions, the carpet 300 or 400 is lighter than the carpet 100 or 200. The double carpet T2 is woven on a double-ply loom having two insertion planes in which two weft son are simultaneously inserted at each cycle. Two insertion cycles are required for a pile yarn 103 to wrap around an outer weft thread 111 of the carpet 300 forming a fastening loop 114, and then around an outer weft yarn 211 of the carpet 400 forming a fastening loop 214.

La figure 3 illustre un tapis 500 conforme à un troisième mode de réalisation de l'invention. Le tapis 500 comporte un dossier 508 et des fils de poil de dessin 103. Dans le dossier 508, les fils identiques aux fils des dossiers 108 à 408 portent des références numériques identiques. Le tapis 500 comprend ainsi des fils de poils morts 102, des fils de tension 104, des fils de trame externes 111, des fils de trames internes 112, des fils de trame médians 113 et des fils de liage primaires 121, 122 et 123.The figure 3 illustrates a carpet 500 according to a third embodiment of the invention. The carpet 500 comprises a back 508 and drawing pile son 103. In the folder 508, the son identical to the son of the folders 108 to 408 have identical reference numerals. The carpet 500 thus comprises dead pile threads 102, tension threads 104, external weft threads 111, internal frame threads 112, medial weft threads 113 and primary bond threads 121, 122 and 123.

Le tapis 500 est représenté à l'état individualisé, c'est-à-dire séparé du tapis double pièce obtenu par un procédé de tissage conforme à l'invention.The carpet 500 is shown in the individualized state, that is to say separated from the double-piece carpet obtained by a weaving method according to the invention.

Dans le tapis 500, les fils de trame externes 111, les fils de trame internes 112 et les fils de trame médians 113 sont disposés, relativement aux fils de tension 104 et les uns par rapport aux autres, de la même manière que dans le tapis 100. Ainsi, les fils de trame externes 111 se trouvent en regard des fils de trame internes 112 et « en quinconce » par rapport aux fils de trame médians 113. Le tapis 500 comprend un fil de trame externe 111 pour un fil de trame médian 113 et pour un fil de trame interne 112. Les fils de liage primaires 121, 122 et 123 suivent la même armure et le même cheminement dans le dossier 508 que dans le dossier 108.In the belt 500, the outer weft yarns 111, the internal weft yarns 112 and the medial weft yarns 113 are arranged relative to the tension yarns 104 and relative to one another in the same manner as in the carpet. 100. Thus, the outer weft threads 111 are opposite the threads of internal weft 112 and "staggered" with respect to the middle weft threads 113. The carpet 500 comprises an outer weft thread 111 for a median weft thread 113 and an internal weft thread 112. The primary threads 121, 122 and 123 follow the same armor and the same path in file 508 as in file 108.

Le tapis 500 se distingue en outre du tapis 100 en ce qu'il comprend deux fils de liage secondaires 531 et 532, qui s'enroulent respectivement autour des fils de trame externes 111 et des fils de trame médians 113. L'armure des fils de liage secondaires 531 et 532 est telle que deux fils de trame externes 111 consécutivement liés par un fil de liage secondaire 531 ou 532 sont séparés par au moins un fil de trame externe dégagé de ce fil de liage secondaire 531 ou 532. Par dégagé on désigne un fil de trame qui n'est pas entouré par un fil de liage et qui n'a pas de contact avec celui-ci.The carpet 500 is further distinguished from the carpet 100 in that it comprises two secondary binding yarns 531 and 532, which respectively wind around the outer weft yarns 111 and the middle weft yarns 113. The weave of the yarns 531 and 532 secondary bonding is such that two outer weft son 111 consecutively bonded by a secondary bonding yarn 531 or 532 are separated by at least one outer weft yarn released from the secondary bonding yarn 531 or 532. By dégon on means a weft yarn which is not surrounded by a binding yarn and which has no contact therewith.

En d'autres termes, les fils de liage secondaires 531 et 532 présentent respectivement des portions 533 et 534 qui flottent sur et entre deux fils de trame médians 113 sans entourer le fil de trame externe 111 situé entre ces deux fils de trame médians 113 et entre deux fils de trame externes 111 consécutivement liés par le fil de liage secondaire 531 ou 532.In other words, the secondary bonding yarns 531 and 532 respectively have portions 533 and 534 that float on and between two medial weft yarns 113 without surrounding the outer weft yarn 111 located between these two middle weft yarns 113 and between two external weft threads 111 consecutively bonded by the secondary binding yarn 531 or 532.

Selon une variante non représentée, des fils de liage secondaires peuvent être insérés dans l'un seulement des tapis 100 ou 200, par exemple dans le tapis inférieur 200 mais pas dans le tapis supérieur 100.According to a variant not shown, secondary binding yarns can be inserted in only one of the belts 100 or 200, for example in the lower belt 200 but not in the upper belt 100.

Dans tous les modes de réalisation décrits ci-dessus, il est souhaitable d'employer des fils fins mais à forte résistance mécanique pour minimiser la visibilité des fils de liage secondaires 131, 231, 331, 431, 531 ou 532 sur le côté dos 100E du tapis 100, 200, 300, 400 ou 500. On peut par exemple employer des fils en soie synthétique, par exemple en polyester, ayant une masse linéique comprise entre cinq tex et cent tex, de préférence entre trente tex et cinquante tex.In all the embodiments described above, it is desirable to use thin but high strength wires to minimize the visibility of the secondary bonding wires 131, 231, 331, 431, 531 or 532 on the 100E back side. carpet 100, 200, 300, 400 or 500. For example, son of synthetic silk, for example polyester, having a linear density of between five tex and one hundred tex, preferably between thirty tex and fifty tex.

Ainsi, les fils de poils de dessin 103, plus épais, sont en mesure de masquer presque complètement les fils de liage secondaires 131, 231, 331, 431, 531 et/ou 532. Le dessin apparaissant sur le côté dos 100E est donc exclusivement déterminé par les boucles 114 et 214 des fils de poil de dessin 103 autour des fils de trame externes 111 et 211.Thus, the son of drawing hairs 103, which are thicker, are able to almost completely mask the secondary binding yarns 131, 231, 331, 431, 531 and / or 532. The design appearing on the 100E back side is therefore exclusively determined by the loops 114 and 214 of the pattern bristles 103 around the outer weft wires 111 and 211.

De plus, il est possible de diminuer encore leur visibilité en employant des fils de liage secondaires dont la teinte est proche de la teinte des fils de trame externes.In addition, it is possible to further reduce their visibility by using secondary bonding yarns whose hue is close to the hue of the outer weft yarns.

Un tapis conforme à l'invention présente donc une apparence « fait main », car les fils de poil de dessin reproduisent sur le côté dos du tapis le dessin apparaissant côté face et car les fils de liage secondaires sont quasiment invisibles sur le côté dos du tapis.A carpet according to the invention therefore has a "hand-made" appearance, because the drawing pile son reproduce on the back side of the carpet the drawing appearing on the side and because the secondary binding son are almost invisible on the back side of the carpet.

De plus, la présence de fils de tension 104 et les liaisons au dossier des fils de trame externes 111 par les fils de liage secondaires 131, 231, 331, 431, 531 ou 532 confèrent au dossier d'un tel tapis une stabilité et une résistance mécanique supérieures à celles des tapis de l'art antérieur.In addition, the presence of tensioning threads 104 and the back connections of the outer weft threads 111 by the secondary binding yarns 131, 231, 331, 431, 531 or 532 give the back of such a carpet stability and stability. mechanical strength superior to those of the carpets of the prior art.

Pour diminuer encore la visibilité, sur le côté dos 100E, des fils de liage secondaires 131, 231, 331, 431, 531 ou 532, il est possible d'optimiser leur répartition dans la largeur du tapis 100, 200, 300, 400 ou 500, en fonction de la consommation de fils, de la densité de tapis, de la stabilité et de la résistance mécanique souhaitées. En pratique, deux fils de liage secondaires 131, 231, 331, 431, 531 ou 532, consécutifs dans la direction de trame T-T', peuvent être incorporés tous les 10 à 100 passages de chaîne dans le peigne. Cela permet avantageusement de diminuer la consommation de fils de liage secondaires.To further reduce the visibility, on the back side 100E, secondary binding son 131, 231, 331, 431, 531 or 532, it is possible to optimize their distribution in the width of the belt 100, 200, 300, 400 or 500, depending on the desired yarn consumption, carpet density, stability and strength. In practice, two secondary binding yarns 131, 231, 331, 431, 531 or 532, consecutive in the T-T 'weft direction, can be incorporated every 10 to 100 chain passes in the comb. This advantageously makes it possible to reduce the consumption of secondary bonding yarns.

En d'autres termes, deux fils de liage secondaires 131, 231, 331, 431, 531 et/ou 532 sont séparés par un intervalle représentant entre 10 et 100 dents d'un peigne de métier à tisser. Dans l'exemple de la figure 4, correspondant à une partie du tapis 100, l'intervalle L1 est de douze dents de peigne, c'est-à-dire qu'il y a douze fils de poils 103 entre deux fils de liage secondaires 131 consécutifs dans la direction de trame T-T'.In other words, two secondary binding yarns 131, 231, 331, 431, 531 and / or 532 are separated by an interval representing between 10 and 100 teeth of a loom comb. In the example of the figure 4 , corresponding to a portion of the belt 100, the interval L1 is twelve comb teeth, that is to say there are twelve son of bristles 103 between two consecutive secondary bonding wires 131 in the weft direction T-T '.

De même, dans l'exemple de la figure 5, correspondant à une partie du tapis 500, l'intervalle L1 séparant deux fils de liages secondaires 531 ou 532 consécutifs dans la direction des trames T-T' est de douze dents de peigne. Cependant, les fils de liage secondaires 531 sont décalés ou « en quinconce » par rapport aux fils de liage secondaires 532, ce qui diminue leur visibilité. En l'occurrence, le décalage entre deux fils 531 et 532 voisins est de six dents de peigne.Similarly, in the example of figure 5 , corresponding to a part of the belt 500, the interval L1 separating two son of secondary bonds 531 or 532 consecutive in the direction of TT 'frames is twelve comb teeth. However, the secondary bonding yarns 531 are staggered or "staggered" relative to the secondary bonding yarns 532, which decreases their visibility. In this case, the offset between two neighboring son 531 and 532 is six comb teeth.

Par ailleurs, l'intervalle séparant deux fils de liage secondaires 131 ou analogues peut varier dans la direction de trame T-T' et selon la distance au milieu M du tapis 100. Cela permet de renforcer la résistance mécanique et la stabilité du tapis 100 dans les régions médianes proches du milieu M par rapport aux régions périphériques qui en sont plus éloignées. Une telle structure permet d'optimiser la consommation de fils de liage secondaires 131 par rapport à la résistance mécanique que doit présenter le tapis au niveau de ses régions médianes et périphériques.Moreover, the interval separating two secondary binding yarns 131 or the like can vary in the weft direction TT 'and according to the distance in the middle M of the carpet 100. This makes it possible to reinforce the mechanical strength and the stability of the carpet 100 in the median regions close to the middle M compared to the peripheral regions that are further away. Such a structure makes it possible to optimize the consumption of secondary binding yarns 131 with respect to the mechanical strength that the carpet must present at its median and peripheral regions.

Ainsi, comme le montre la figure 6, la région médiane du tapis 100 peut présenter un intervalle L1 de douze dents de peigne, ce qui représente environ 20 mm à 40 mm. Puis, au niveau du quart de la largeur L du tapis 100, les fils de liage secondaires 131 sont séparés par un intervalle L2 d'environ vingt-quatre dents, ce qui représente entre 40 mm et 80 mm. Enfin, au niveau des bords du tapis, deux fils de liage secondaires 131 consécutifs peuvent être séparés par un intervalle d'environ cinquante dents de peigne, soit 80 mm à 160 mm.So, as shown in figure 6 , the median region of the belt 100 may have a gap L1 of twelve comb teeth, which is about 20 mm to 40 mm. Then, at a quarter of the width L of the belt 100, the secondary binding yarns 131 are separated by a gap L2 of about twenty-four teeth, which is between 40 mm and 80 mm. Finally, at the edges of the carpet, two secondary bonding yarns 131 consecutive can be separated by an interval of about fifty comb teeth, 80 mm to 160 mm.

La présente invention permet donc de réaliser un tapis offrant une résistance mécanique et une résistance à l'usure optimisées et élevées ainsi qu'une bonne apparence fait main.The present invention therefore makes it possible to produce a carpet with optimized and high mechanical strength and resistance to wear as well as a good hand-made appearance.

Claims (14)

  1. A weaving method for manufacturing a double-piece (T1, T2) carpet (100, 100; 300, 400; 500) by means of a double-web loom, the method comprising:
    a) manufacturing a backing (108, 208; 308, 408; 508) defining the face (100l) and the back (100E) of said carpet (100, 200; 300, 400; 500) and comprising:
    - tension yarns (104) extending in the warp direction (C-C');
    - so-called internal weft yarns (112) inserted from the face (100l) of said carpet (100, 200; 300, 400; 500); and
    - primary binding threads (121, 122, 123, 221, 222, 223) binding said internal weft yarns (112) to said backing (108, 208; 308, 408; 508);
    b) inserting so-called external weft yarns (111) from said back (100E) of said carpet (100, 200; 300, 400; 500);
    c) incorporating relief threads (103) in said carpet (100, 200; 300, 400; 500) in such a manner that they surround at least some of said external weft yarns (111), said relief threads (103) forming pile or loops on said face (100l) of said carpet (100, 200; 300, 400; 500), and so-called dead relief threads (102) extending in the warp direction (C-C'); and
    d) incorporating secondary binding threads (131, 231; 331, 431; 531, 532) in the warp direction (C-C') so as to bind to said backing (108, 208; 308, 408; 508) each external weft yarn (111) that is surrounded by relief threads (103);
    said weaving method being characterized in that two internal weft yarns (112) that are consecutive in the warp direction (C-C') are bound by distinct primary binding threads (121, 122, 123; 221, 222, 223).
  2. A carpet (100, 200; 300, 400; 500) comprising:
    - a backing (108, 208; 308, 408; 508) defining the face (100l) and the back (100E) of said carpet (100, 200; 300, 400; 500) and comprising:
    - tension yarns (104) extending in the warp direction (C-C');
    - so-called internal weft yarns (112) inserted from the face (100l) of said carpet (100, 200; 300, 400; 500); and
    - primary binding threads (121, 122, 123; 221, 222, 223) binding said internal weft yarns (112) to said backing (108, 208; 308, 408; 508);
    - so-called external weft yarns (111) inserted from the back (100E) of said carpet (100, 200: 300, 400; 500):
    - relief threads (103) surrounding at least some of said external weft yarns (111) and forming pile or loops on the face (100l) of said carpet (100, 200; 300, 400; 500), and so-called dead relief threads (102) extending in the warp direction (C-C'); and
    - secondary binding threads (131, 231; 331, 431; 531, 532) extending in the warp direction (C-C') and binding to said backing (108, 208; 308, 408; 508) each external weft yarn (111) that is surrounded by relief threads (103);
    said carpet (100, 200; 300, 400, 500) being characterized in that it comprises two internal weft yarns (112) that are consecutive in the warp direction (C-C') which are bound by distinct primary binding threads (121, 122, 123; 221, 222, 223).
  3. A carpet (100, 200; 300, 400; 500) according to claim 2, characterized in that each external weft yarn (111) is surrounded by relief threads (103).
  4. A carpet (100, 200; 300, 400; 500) according to claim 2 or 3, characterized in that said backing (108, 208; 308, 408; 508) further comprises so-called middle weft yarns (113) that are inserted from the back (100E) between the primary binding threads (121, 122, 123; 221, 222, 223) and said dead pile threads (102), in that said primary binding threads (121, 122, 123; 221, 222, 223) bind to said backing (108, 208; 308, 408; 508) said internal weft yarns (112) and said middle weft yarns (113), and in that said secondary binding threads (131, 231; 331, 431; 531, 532) bind to said backing (108, 208; 308, 408; 508) said middle weft yarns (113) and said external weft yarns (111).
  5. A carpet (100, 200; 500) according to claim 4, characterized in that it has one external weft yarn (111) for each middle weft yarn (113) and for each internal weft yarn (112).
  6. A carpet (100, 200) according to claim 5, characterized in that all of said external weft yarns (111) and all of said middle weft yarns (113) are bound consecutively in the warp direction (C-C') by a common secondary binding thread (131, 231).
  7. A carpet (500) according to claim 5, characterized in that two external weft yarns (111) consecutively bound by a common secondary binding thread (531 or 532) are spaced apart by at least one external weft yarn (111) that is disengaged from said secondary binding thread (531 or 532).
  8. A carpet (500) according to claims 4 and 5, characterized in that it comprises first and second secondary binding threads (531 and 532), said first secondary binding threads (531) being wound around said middle weft yarns (113) and around one in two of said external weft yarns (111), said second secondary binding threads (532) being wound around said middle weft yarns (113) and around each external weft yarn (111) that is disengaged from said first secondary binding thread (531).
  9. A carpet (300, 400) according to claim 4, characterized in that it comprises two external weft yarns (111) for each middle weft yarn (113) and for each internal weft yarn (112).
  10. A carpet (300, 400) according to claim 9, characterized in that all of said weft yarns (111, 112, 113) are bound consecutively in the warp direction (C-C') by a common secondary binding thread (331, 431).
  11. A carpet (100, 200; 300, 400; 500) according to any one of claims 2 to 10, characterized in that said secondary binding threads (131, 231; 331, 431; 531, 532) are made of synthetic silk, e.g. of polyester.
  12. A carpet (100, 200; 300, 400; 500) according to any one of claims 2 to 11, characterized in that each secondary binding thread (131, 231; 331, 431; 531, 532) has a weight per unit length lying in the range of 5 tex to 100 tex, preferably in the range 30 tex to 50 tex.
  13. A carpet (100, 200; 300, 400; 500) according to any one of claims 2 to 12, characterized in that two secondary binding threads (131, 231; 331, 431; 531, 532) that are consecutive in the weft direction (T-T') are incorporated with intervals (L1, L2, L3) of 10 to 100 warp passes in the comb.
  14. A carpet (100, 200; 300, 400; 500) according to claim 13, characterized in that two secondary binding threads (131, 231; 331, 431; 531, 532) that are consecutive in the weft direction (T-T') are incorporated at intervals (L1, L2, L3) of warp passes in the comb that vary across the width (L) of said carpet, measured parallel to the weft direction (T-T').
EP20090156814 2008-04-03 2009-03-31 Weaving method to produce a carpet and a carpet obtained through such a method Revoked EP2107144B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0852219A FR2929623B1 (en) 2008-04-03 2008-04-03 WEAVING PROCESS FOR MAKING A MAT AND CARPET OBTAINED BY SUCH A METHOD

Publications (2)

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EP2107144A1 EP2107144A1 (en) 2009-10-07
EP2107144B1 true EP2107144B1 (en) 2011-07-20

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EP20090156814 Revoked EP2107144B1 (en) 2008-04-03 2009-03-31 Weaving method to produce a carpet and a carpet obtained through such a method

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EP (1) EP2107144B1 (en)
CN (1) CN101550629B (en)
FR (1) FR2929623B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2568065B1 (en) * 2011-09-06 2018-04-11 STÄUBLI BAYREUTH GmbH Method for weaving a carpet and carpet woven with such a method
CN103668712A (en) * 2013-12-19 2014-03-26 苏州丽绣纺织有限公司 High-strength fiber suede fabric
CN110685079B (en) * 2019-10-15 2021-09-03 北京佰力郎服装有限公司 Weaving method of fur clothing

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0805227B1 (en) * 1993-06-11 2002-03-20 N.V. Michel Van de Wiele Method for manufacturing a face to face pile fabric
BE1008021A3 (en) * 1994-01-10 1995-12-12 Wiele Michel Van De Nv Woven fabric
EP1072705B2 (en) * 1999-07-19 2010-06-02 NV Michel van de Wiele Method for face-to-face weaving false bouclé fabrics with cut pile, and fabrics woven according to this method
DE50011569D1 (en) * 2000-08-16 2005-12-15 Schoenherr Textilmaschinenbau Process for producing a double-pole fabric
EP1217114B1 (en) * 2000-12-08 2006-01-11 SCHÖNHERR Textilmaschinenbau GmbH Method of manufacturing a face to face pile fabric
BE1014721A5 (en) * 2002-03-22 2004-03-02 Wiele Michel Van De Nv AND METHOD FOR loom weaving fabrics with pile loops.
EP1489210A1 (en) * 2003-06-21 2004-12-22 SCHÖNHERR Textilmaschinenbau GmbH Method of manufacturing a face to face pile fabric on a double-plush loom
BE1016658A3 (en) 2005-06-24 2007-04-03 Wiele Michel Van De Nv METHOD FOR WEAVING A TISSUE, WOVEN TEXTURED ACCORDING TO ANY METHOD AND WEAVING MACHINE FOR WEAVING SUCH A TISSUE.

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EP2107144A1 (en) 2009-10-07
CN101550629B (en) 2013-07-10
CN101550629A (en) 2009-10-07
FR2929623A1 (en) 2009-10-09
FR2929623B1 (en) 2010-06-04

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