EP3112510B1 - Procédé de tissage de rubans superposés qui sont cousus les uns aux autres et métier à tisser fonctionnant selon ledit procédé - Google Patents

Procédé de tissage de rubans superposés qui sont cousus les uns aux autres et métier à tisser fonctionnant selon ledit procédé Download PDF

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Publication number
EP3112510B1
EP3112510B1 EP16177632.3A EP16177632A EP3112510B1 EP 3112510 B1 EP3112510 B1 EP 3112510B1 EP 16177632 A EP16177632 A EP 16177632A EP 3112510 B1 EP3112510 B1 EP 3112510B1
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EP
European Patent Office
Prior art keywords
ribbon
row
weft thread
threads
advance direction
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EP16177632.3A
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German (de)
English (en)
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EP3112510A3 (fr
EP3112510A2 (fr
Inventor
Ilario Rosa
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Ribbontex SRL
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Ribbontex SRL
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Publication of EP3112510A2 publication Critical patent/EP3112510A2/fr
Publication of EP3112510A3 publication Critical patent/EP3112510A3/fr
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    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D11/00—Double or multi-ply fabrics not otherwise provided for
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D3/00—Woven fabrics characterised by their shape
    • D03D3/005—Tapes or ribbons not otherwise provided for
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D35/00—Smallware looms, i.e. looms for weaving ribbons or other narrow fabrics
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D39/00—Pile-fabric looms
    • D03D39/16—Double-plush looms, i.e. for weaving two pile fabrics face-to-face
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/02—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein loops of continuous weft thread are inserted, i.e. double picks
    • D03D47/06—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein loops of continuous weft thread are inserted, i.e. double picks by a pivoted needle having a permanently-threaded eye

Definitions

  • the present invention relates to a process in which, by means of a single weaving processing operation, superimposed ribbons which are stitched to each other are obtained.
  • the present invention further relates to a weaving loom which is configured to operate in accordance with that process.
  • Those ribbons may be produced with decorations and materials which are generally different from and independent of each other so as to allow a range of reed combinations which is as wide as possible to be achieved.
  • the production of those articles provides for the separate weaving of the two ribbons and the subsequent stitching thereof in a position superimposed one on the other.
  • the term "ribbon” is intended to be understood to be an article of predefined width and undefined length which is produced in a continuous manner by means of a loom, without any limitation on the type of interweaving used during the weaving process or furthermore the material used during the weaving.
  • a ribbon may have a variable width between a few millimetres and several tens of centimetres, may be woven with any suitable weave known in the art, including canvas, twill, satin, and reed combinations thereof on the same ribbon, and may be woven using threads of any suitable material known in the art, both of natural origin, such as, for example, threads of cotton or linen, and of synthetic origin, such as, for example, threads of polyamide or polyester.
  • the respective positions of those elements will be intended to be understood to be “lower” or “upper” if they are in a lower or upper position when the loom is moved into a horizontal position, respectively.
  • the problem addressed by the present invention is to provide a weaving process for superimposed ribbons which are stitched to each other as well as a relevant loom which operates in accordance with that process, which are structurally and/or operationally configured to overcome the limitations mentioned above with reference to the cited prior art.
  • an object of the invention is to develop a process which allows the weaving of superimposed ribbons which are stitched to each other, which is simple to construct and which reduces the production costs.
  • a loom which is structurally and operationally provided to weave at the same time a lower ribbon 1 and an upper ribbon 2, which is superimposed and stitched in a superimposed state on the lower ribbon 1, in accordance with a weaving process according to the present invention.
  • the lower ribbon 1 has a width between 1 and 20 centimetres, which is greater with respect to the width of the upper ribbon 2 which is, for example, between 0.5 and 10 centimetres. Furthermore, the upper ribbon 2 is positioned in the region of a center face of the lower ribbon 1 and, in this preferred embodiment, it is stitched to the lower ribbon 1 only at one side thereof.
  • the ribbons 1 and 2 may have relative dimensions, proportions and positions which are generally different.
  • the loom 10 is a loom of the horizontal type, in which the lower ribbon 1 and the upper ribbon 2 are formed by a suitable interlacing of threads which extend in a substantially horizontal manner. Therefore, the present invention is similarly applicable to looms of different types, for example, vertical looms.
  • the loom 10 comprises, in terms of the main components thereof:
  • the warp threads of the first plurality 21 extend in an advance direction X towards the head 11 and are arranged in a position adjacent to one another in a transverse direction Y, substantially perpendicular to the advance direction X.
  • the advance direction X and the transverse direction Y thereby define a plane, in which the lower ribbon 1 is woven.
  • Each warp thread 21 is threaded into an eyelet which is formed in a respective mesh of the first plurality 20.
  • the heddles 20 can be moved in a direction Z which is vertical and which is substantially perpendicular to the plane formed by the advance direction X and the transverse direction Y so as to move, in accordance with a predefined instruction, the first plurality of warp threads 21 between a first upper row 24 and a first lower row 25 which are spaced apart from each other so as to define a first shed 26.
  • the heddles 20 are preferably subdivided between a predefined number of heddle frame (the Figure illustrates only two heddle frame 20a), so as to be movable in homogeneous groups, in accordance with the type of weave desired for the weaving of the lower ribbon 1.
  • each heddle 20 may be movable individually, in a manner independent from the others.
  • each warp thread 31 is threaded into an eyelet which is formed in a respective heddle of the second plurality 30.
  • the heddles 30 are movable in the vertical direction Z so as to move, in accordance with a predefined instruction, the second plurality of warp threads 31 between a second upper row 34 and a second lower row 35 which are spaced apart so as to define a second shed 36.
  • each heddle 30 is movable individually in a manner independent of the other heddles and therefore the heddles 30 can also be subdivided into separate healds which can be controlled individually.
  • the warp threads of the second plurality 31 are arranged so as to all be in an upper position with reference to the vertical direction Z, with respect to the warp threads of the first plurality 21.
  • the second lower row 35 of the warp threads 31 is positioned above the first upper row 24 of the warp threads 21 so that the first shed 26 and the second shed 36 do not interfere with each other.
  • the number, type, the material of the warp threads 21 and 31 can be selected without any specific limitations in accordance with the type of ribbons 1 and 2 which are intended to be obtained.
  • the warp threads 21 and 31 are directed, at different levels, through the teeth of the reed comb 12.
  • the reed comb 12 is movable in the advance direction X toward and away from the head 11 in order to compact the first and second weft threads 23, 33 in accordance with methods which are conventional per se.
  • the first shuttle element 22 is provided to receive and guide during movement the first weft thread 23 in the transverse direction Y through the first shed 26, which is open between the first upper row 24 and the first lower row 25.
  • the first shuttle element 22 comprises a first arm 27 which is guided during pivoting in the transverse direction Y between a first side 3 and a second side 4 of the lower ribbon 1.
  • the first arm 27 is fixed to a pivoting member 27a which is preferably placed in the region of the first side 3 of the lower ribbon 1 and, in the region of a free end thereof, comprises an eyelet 27b, through which the first weft thread 23 is directed in an alternating manner between the first side 3 and the second side 4 of the lower ribbon 1.
  • the first shuttle element 22 further comprises a first hook 28 which is positioned at the second side 4 of the lower ribbon 1 and which is provided in order to engage, directly or indirectly, the first weft thread 23 when the first arm 27 is pivoted towards the second side 4 of the lower ribbon 1.
  • the first hook 28 extends parallel with the second side 4 and can be moved in translation by means of a movable member 29 in an alternating manner in the advance direction X towards and away from the head 11 in coordination with the similar movement of the reed comb 12, as better explained below.
  • the first hook 28 comprises a hooked end 28a and a lever 28b which is articulated to a member of the first hook 28 and which can be pivoted between an open position in which the hooked end 28a is open and a closure position in which the lever 28b is placed on the hooked end 28a so as to form an eye which is capable of preventing access to the hooked end 28a from the outer side.
  • the second shuttle element 32 is provided to receive and guide during movement the second weft thread 33 in the transverse direction Y through the second shed 36 which is open between the second upper row 34 and the second lower row 35.
  • the second shuttle element 32 also comprises a second arm 37 which is directed during pivoting in the transverse direction Y between a first side 5 and a second side 6 of the upper ribbon 2.
  • the second arm 37 is also fixed to the pivoting member 27a which, being at the first side 3 of the lower ribbon 1, is also at the first side 5 of the upper ribbon 2.
  • the second arm 37 comprises an eyelet 37b, through which the second weft thread 33 is directed alternately between the first side 5 and the second side 6 of the upper ribbon 2.
  • the second shuttle element 32 further comprises a second hook 38 which is positioned at the second side 6 of the upper ribbon 2 and which is provided to engage, directly or indirectly, the second weft thread 33 when the second arm 37 is pivoted towards the second side 6 of the upper ribbon 2.
  • the second hook 38 extends parallel with the second side 6 and can be moved in translation by means of the movable member 29 in an alternating manner in the advance direction X towards and away from the head 11, together with the first hook 28 and in coordination with the reed comb 12.
  • the first hook 38 also comprises a hooked end 38a and a lever 38b which is articulated to a member of the second hook 38 and which can be pivoted between an open position in which the hooked end 38a is open and accessible and a closure position in which the lever 38b is placed on the hooked end 38a so as to form an eye which is capable of preventing access to the hooked end 38a from the outer side.
  • the head 11 there is formed on the head 11 an opening 11a in order to allow the passage of the second hook 38 through the head 11 into a position beside the second side 6 of the upper ribbon 2.
  • a guide element 13 of the second weft thread 33 is secured, preferably in an adjustable manner, to the head 11 and extends from the head in the advance direction X towards the reed comb 12.
  • the guide element 13 is formed from a thin plate which is in a plane which is defined by the advance direction X and the vertical direction Z so as to allow the passage thereof through the teeth of the reed comb 12 when the reed comb is moved towards the head 11.
  • the guide element 13 has an end 14 which is opposite the head 11 which is formed to guide the engagement of the second weft thread 33 in the second hook 38.
  • the end 14 has a curved hook-like profile which is capable of abutting the second weft thread 33 when it is moved by the second arm 37 through the second shed 36 towards the second side 6 of the upper ribbon 2, and of lowering it gradually towards the second lower row 35 until it is engaged with the hooked end 38a of the second hook 38.
  • the guide element 13 has an opening 15 which is capable of promoting the free pivoting during opening or closing of the lever 38b.
  • the loom 10 further comprises an auxiliary heddle 16 which is provided to receive and guide during movement a corresponding stitching thread 17 which is capable of stitching together the upper ribbon 2 and the lower ribbon 1.
  • the stitching thread 17 which is identical or different to the warp threads 21, 31 extends between the first and second pluralities of warp threads 21, 31 parallel with the advance direction X, towards the head 11.
  • the auxiliary heddle 16 is further movable in the vertical direction Z between the second upper row 34 and the first lower row 25, and vice versa, so as to bind together the first and second weft thread 23, 33, and consequently to stitch the lower ribbon 1 to the upper ribbon 2.
  • the movement of the auxiliary heddle 16 is individual and independent of the other heddles 20 and 30.
  • the movement of the auxiliary heddle 16 is far greater than the other heddles and covers the entire range in the vertical direction Z of the warp threads 21 and 31.
  • the warp threads 21 are subdivided between the first upper row 24 and the first lower row 25, and the warp threads 31 are subdivided between the second upper row 34 and the second lower row 35, defining the first shed 26 and the second shed 36, respectively.
  • the rows are separated from each other in the vertical direction Z so that, in a downward direction, they encounter the second upper row 34, the second lower row 35, the first upper row 24 and the first lower row 25.
  • the reed comb 12 is moved into a position spaced apart from the head 11, the first arm 27 and the second arm 37 are positioned externally with respect to the first shed 26 and the second shed 36, respectively, with the ends 27b and 37b at the side of the first sides 3 and 5 of the lower ribbon 1 and the upper ribbon 2 ( Figure 1 ).
  • the stitching thread 17, in this step, is positioned in the region of the second upper row 34 and is located between the warp threads 31, for example, moved towards the second side 6 of the upper ribbon 2 ( Figure 1 ).
  • the first arm 27 and the second arm 37 are pivoted in such a manner that the respective ends 27b and 37b are moved towards the second side 4 and 6 of the lower ribbon 1 and the upper ribbon 2, respectively.
  • the first weft thread 23 and the second weft thread 33 are directed between the respective upper and lower rows of the warp threads 21 and 31 which are arranged in the transverse direction Y ( Figure 3 ).
  • the first weft thread 23 and second weft thread 33 are engaged with the first hook 28 and 38, respectively, so that, when the first arm 27 and the second arm 37 are caused to pivot towards the first side 3 and 5, the first and second weft threads 23, 33 remain tensioned transversely between the two opposite sides of the respective ribbons 1 and 2.
  • first hook 28 and the second hook 38 are moved away from the head 11, with the respective hooked ends 28a and 38a moved towards the heddles 20, 30 and the levers 28b and 38b pivoted so as to open the hooked ends ( Figure 3 ), respectively.
  • the engagement of the weft thread can be carried out in a direct or indirect manner.
  • the weft thread is engaged directly with the hook while, in the second case, the weft thread is engaged with an auxiliary thread which is in turn engaged with the hook.
  • the second hook 38 engages the second weft thread 33 in a direct manner while the first hook 28 engages an auxiliary thread 18 which extends in a substantially parallel manner with the warp threads of the first lower row 25 in a manner independent thereof.
  • the auxiliary thread 18 is used as a reinforcement of the edge of the lower ribbon 1 and is located in a position lower than the first weft thread 23 when it is directed in the region of the second side 4 of the lower ribbon 1.
  • the reed comb 12 is moved in the advance direction X towards the head 11, so as to compact the first weft thread 23 and the second weft thread 33 against the preceding weft threads.
  • the first and second arms 27 and 37 are pivoted in such a manner that the respective ends 27b and 37b are brought into substantial alignment with the head 11 or in a retracted position with respect thereto, so as to promote the above-mentioned compaction step.
  • the movement of the reed comb 12 is not obstructed by the presence of the guide element 13, the end 14 of which passes through the teeth of the reed comb 12 ( Figure 6 ).
  • the first and second hooks 28, 38 are also moved in translation so as to be withdrawn towards the head 11, still in order to promote the compaction step.
  • the levers 28b and 38b are pivoted into a closure position against the respective hooked ends 28a, 38a, so as to form a closed ring in an eye-like manner.
  • the closure pivoting is caused by a thread mesh which is previously positioned on the member of the respective hook, which, by sliding along the member towards the hooked end, abuts the lever, pivots it so as to close and, by sliding above the eye which is thereby formed, is unthreaded from the hook without remaining engaged with the hooked end (this can be seen better in Figure 5 ).
  • the mesh positioned on the member which is unthreaded from the hook is formed by the second weft thread 33 in the case of the second hook 38 and the auxiliary thread 18 in the case of the first hook 28.
  • first weft thread 23 to be engaged in a direct manner and/or for the second weft thread 33 to be engaged in an indirect manner.
  • one or more of the heddles 20 and the heddles 30 are moved between the respective upper row and lower row so that the first weft thread 23 is bound by one or more warp threads 21 and the second weft thread 33 is bound by one or more warp threads 31.
  • the movement of the heddles 20, 30 is carried out in accordance with a pattern which is predefined in accordance with the type of interlacing which is desired for the lower ribbon 1 and the upper ribbon 2, respectively.
  • the auxiliary mesh 16 is also moved away from the second upper row 24.
  • the auxiliary heddle mesh 16 can be moved away from the second upper row 24 as far as the first lower row 35, thereby binding in a single stroke both the first and the second weft threads 23 and 33.
  • the auxiliary mesh 16 in order to prevent the movement of the stitching thread 17 through all the warp threads 21 and 31 from being able to involve any disadvantage, such as breakage of the thread, it is preferable for the auxiliary mesh 16 to be moved away from the second upper row 34 to the second lower row 35 or, at most, as far as the first upper row 24.
  • the reed comb 12 is brought away from the head 11 so as to reform the sheds 26 and 36, and the first and second hooks 28 and 38 are simultaneously moved away from the head 11.
  • the levers 28a and 38b are pivoted so as to open by the respective thread heddles present inside the eye, which, being discharged from the eye, are positioned on the respective member of the first and second hooks 28, 38.
  • the auxiliary heddle mesh 16 is moved, when the heddles 20 and 30 are re-positioned between the respective upper and lower rows, away from the second lower row 35 or, where applicable, away from the first upper row 24 where it was positioned during the preceding cycle as far as the first lower row 25.
  • the auxiliary heddle mesh 16 is moved, with a similar and opposite movement, from the first lower row 25 to the second upper row 34, thereby completing, in the space of four weaving cycles, a stitching cycle, involving binding both the first weft thread 23 and the second weft thread 33 and consequently the lower ribbon 1 to the upper ribbon 2.
  • a first variant involves the possibility of using different shuttle elements or looms with an orientation which is not horizontal or with different control systems of the heddles.
  • the present invention solves the problem set out above, achieving at the same time a number of other advantages, including the fact of obtaining with a single weaving processing operation an article which is formed by superimposed ribbons which are stitched to each other.

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  • Textile Engineering (AREA)
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Claims (11)

  1. Procédé de tissage de rubans superposés qui sont cousus l'un à l'autre, comprenant une séquence de cycles successifs, chaque cycle comprenant les étapes consistant à :
    - fournir sur un métier à tisser (10) une première pluralité de fils de chaîne (21) qui sont destinés au tissage d'un ruban inférieur (1), s'étendant transversalement entre un premier côté (3) de celui-ci et un second côté (4) de celui-ci, subdivisant ladite première pluralité de fils de chaîne entre une première rangée supérieure (24) de fils et une première rangée inférieure (25) de fils afin de définir entre les premières rangées de fils une première foule (26),
    - fournir sur le métier à tisser une seconde pluralité de fils de chaîne (31) qui sont destinés au tissage d'un ruban supérieur (2), s'étendant transversalement entre un premier côté (5) de celui-ci et un second côté (6) de celui-ci, subdivisant ladite seconde pluralité de fils de chaîne entre une seconde rangée supérieure (34) de fils et une seconde rangée inférieure (35) de fils afin de définir entre les secondes rangées de fils une seconde foule (36), la seconde rangée inférieure (35) de fils étant positionnée plus haut que la première rangée supérieure (24) de fils,
    caractérisé en ce qu'il consiste à
    - faire passer un premier fil de trame (23) avec un premier bras (27) qui est apte à être pivoté transversalement à la direction d'avancement à travers la première foule (26) entre ledit premier côté (3) et ledit second côté (4) du ruban inférieur (1) où il est mis en prise par un premier crochet (28) situé sur ledit second côté dudit ruban inférieur (1),
    - faire passer un second fil de trame (33) avec un second bras (37) qui est apte à être pivoté transversalement à la direction d'avancement à travers la seconde foule (36) entre ledit premier côté (5) et ledit second côté (6) du ruban supérieur (2) où il est mis en prise par un second crochet (38) situé sur ledit second côté dudit ruban supérieur (2),
    - compacter le premier fil de trame (23) et le second fil de trame (33) contre les fils de trame précédents respectifs,
    - déplacer au moins l'un ou plusieurs des fils de chaîne (21) du ruban inférieur (1) entre la première rangée supérieure (24) et la première rangée inférieure (25) afin de lier le premier fil de trame (23),
    - déplacer au moins l'un ou plusieurs des fils de chaîne (31) du ruban supérieur (2) entre la seconde rangée supérieure (34) et la seconde rangée inférieure (35) afin de lier le second fil de trame (33),
    - fournir sur le métier à tisser au moins un fil de couture (17) qui s'étend entre les pluralités de fils de chaîne (21, 31), l'au moins un fil de couture étant déplacé, au moment de l'un ou plusieurs des cycles, entre la seconde rangée supérieure (34) et la première rangée inférieure (25), et vice-versa, afin de lier ensemble les premier et second fils de trame (23, 33).
  2. Procédé selon la revendication 1, dans lequel, dans un premier cycle, l'au moins un fil de couture (17) est déplacé de la seconde rangée supérieure (34) à la seconde rangée inférieure (35) ou à la première rangée supérieure (24) et, dans un cycle suivant, de la seconde rangée inférieure (35) ou à la première rangée supérieure (24) à la première rangée inférieure (25).
  3. Procédé selon la revendication 2, dans lequel l'au moins un fil de couture (17) est déplacé entre la seconde rangée supérieure à la seconde rangée inférieure ou à la première rangée supérieure tandis que l'au moins un ou plusieurs des fils de chaîne (31) du ruban supérieur (2) est/sont déplacés entre la seconde rangée supérieure (34) et la seconde rangée inférieure (35).
  4. Procédé selon la revendication 3, dans lequel l'au moins un fil de couture (17) est déplacé entre la seconde rangée inférieure (35) ou la première rangée supérieure (24) et la première rangée inférieure (25) tandis que l'au moins un ou plusieurs des fils de chaîne (21) du ruban inférieur (1) est/sont déplacés entre la première rangée supérieure (24) et la première rangée inférieure (25).
  5. Procédé selon l'une quelconque des revendications précédentes, dans lequel un unique fil de couture est fourni.
  6. Métier à tisser pour le tissage de rubans superposés (1, 2) qui sont cousus l'un à l'autre, comprenant :
    - une tête (11) à travers laquelle les rubans superposés qui sont cousus l'un à l'autre sont évacués une fois qu'ils ont été tissés,
    - une première pluralité de lisses (20) qui sont fournies pour recevoir et guider au cours du mouvement une première pluralité correspondante de fils de chaîne (21) qui s'étendent vers la tête dans une direction d'avancement (X) et qui sont destinés au tissage d'un ruban inférieur (1), les lisses de la première pluralité étant mobiles dans une direction (Z) qui est sensiblement perpendiculaire à la direction d'avancement (X) entre une première rangée supérieure (24) et une première rangée inférieure (25) qui sont espacées l'une de l'autre afin de définir une première foule (26),
    - une seconde pluralité de lisses (30) qui sont fournies pour recevoir et guider au cours du mouvement une seconde pluralité correspondante de fils de chaîne (31) qui s'étendent vers la tête (11) dans la direction d'avancement et qui sont destinés au tissage d'un ruban supérieur (2), les lisses de la seconde pluralité étant mobiles dans la direction (Z) qui est sensiblement perpendiculaire à la direction d'avancement (X) entre une seconde rangée supérieure (34) et une seconde rangée inférieure (35) qui sont espacées l'une de l'autre afin de définir une seconde foule (36), la seconde rangée inférieure (35) étant positionnée plus haut que la première rangée supérieure (24),
    - un premier élément de navette (22) qui est fourni pour recevoir et guider au cours du mouvement un premier fil de trame (23) à travers la première foule (26), transversalement à la direction d'avancement,
    - un second élément de navette (32) qui est fourni pour recevoir et guider au cours du mouvement un second fil de trame (33) à travers la seconde foule (36), transversalement à la direction d'avancement,
    - un peigne de mises (12) qui est interposé entre les première et seconde pluralités de lisses (20, 30) et la tête (11), à travers lequel les première et seconde pluralités de fils de chaîne sont dirigées, le peigne de mises étant mobile dans la direction d'avancement (X) en s'éloignant et en se rapprochant de la tête afin de compacter les premier et second fils de trame (23, 33),
    - au moins une lisse auxiliaire (16) qui est fournie pour recevoir et guider au cours du mouvement vers la tête dans la direction d'avancement (X) un fil de couture correspondant (17) qui s'étend entre les première et seconde pluralités de fils de chaîne (21, 31), la lisse auxiliaire (16) étant mobile dans une direction (Z) sensiblement perpendiculaire à la direction d'avancement (X) entre la seconde rangée supérieure et la première rangée inférieure et vice-versa, afin de lier ensemble les premier et second fils de trame,
    caractérisé en ce que ledit premier élément de navette (22) comprend :
    - un premier bras (27) sur lequel est guidé le premier fil de trame (23), le premier bras étant apte à être pivoté transversalement à la direction d'avancement à travers la première foule (26) afin de diriger le premier fil de trame entre un premier côté et un second côté (3, 4) du ruban inférieur (1), et
    - un premier crochet (28) qui est positionné sur le second côté (4) du ruban inférieur (1) afin de venir en prise, directement ou indirectement, avec le premier fil de trame (23) lorsque le premier bras (27) est pivoté vers le second côté du ruban inférieur, en ce que ledit second élément de navette comprend :
    - un second bras (37) sur lequel est guidé le second fil de trame (33), le second bras étant apte à être pivoté transversalement à la direction d'avancement à travers la seconde foule (36) afin de diriger le second fil de trame entre un premier côté et un second côté (5, 6) du ruban supérieur (2), et
    - un second crochet (38) qui est positionné sur le second côté (6) du ruban supérieur (2) afin de venir en prise, directement ou indirectement, avec le second fil de trame (33) lorsque le second bras (37) est pivoté vers le second côté (6) du ruban supérieur (2).
  7. Métier à tisser selon la revendication 6, dans lequel le second crochet (38) est mobile en translation d'une manière en va-et-vient dans la direction d'avancement (X).
  8. Métier à tisser selon la revendication 7, dans lequel est formée dans la tête (11) une ouverture (11a) pour le passage du second crochet (38) à travers la tête.
  9. Métier à tisser selon l'une quelconque des revendications 6 à 8, dans lequel est fourni un élément de guidage (13) du second fil de trame (33), lequel élément de guidage s'étend à partir la tête (11) dans la direction d'avancement (X) et qui est situé à côté du second crochet (38) et est configuré pour guider la mise en prise du second fil de trame (33) dans le second crochet (38).
  10. Métier à tisser selon la revendication 9, dans lequel l'élément de guidage (13) est formé à la manière d'une plaque fine afin de passer à travers les dents du peigne de mises (12) lorsque le peigne de mises est déplacé contre la tête (11).
  11. Métier à tisser selon la revendication 9 ou la revendication 10, dans lequel l'élément de guidage (14) est fixé d'une manière réglable sur la tête (11).
EP16177632.3A 2015-07-02 2016-07-01 Procédé de tissage de rubans superposés qui sont cousus les uns aux autres et métier à tisser fonctionnant selon ledit procédé Active EP3112510B1 (fr)

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Application Number Priority Date Filing Date Title
ITUB2015A001813A ITUB20151813A1 (it) 2015-07-02 2015-07-02 Processo di tessitura di nastri sovrapposti cuciti tra loro e telaio operante secondo tale metodo

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EP3112510A2 EP3112510A2 (fr) 2017-01-04
EP3112510A3 EP3112510A3 (fr) 2017-01-11
EP3112510B1 true EP3112510B1 (fr) 2019-09-04

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Publication number Priority date Publication date Assignee Title
IT202100017585A1 (it) 2021-07-02 2023-01-02 Ribbontex S R L Sistema passalacci

Family Cites Families (4)

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Publication number Priority date Publication date Assignee Title
CH447067A (de) * 1966-05-12 1967-11-15 Kuny Hans Verfahren zur Herstellung von Samtbändern, Bandwebmaschine zur Durchführung des Verfahrens, und nach dem Verfahren hergestelltes Samtband
ES490678A0 (es) * 1980-03-28 1981-09-01 Murtra Ind Procedimiento de formacion de una doble tela en telares de agujas para cinteria
DE9316676U1 (de) * 1993-11-02 1994-01-20 C. J. Schickhardt GmbH & Co. KG, 72224 Ebhausen Aufreißgewebe, insbesondere für Falldämpfer von Auffangsystemen
CA2759965A1 (fr) * 2011-11-29 2013-05-29 Societa' Per Azioni Fratelli Citterio Methode et appareil pour la production continue d'une structure textile resistante a la perforation et la penetration et structure textile ainsi obtenue

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EP3112510A3 (fr) 2017-01-11
EP3112510A2 (fr) 2017-01-04

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