EP2872684B1 - Dispositif de stockage intermédiaire d'un matériau de trame en forme de bande pour un métier à tisser et métier à tisser équipé d'un tel dispositif - Google Patents

Dispositif de stockage intermédiaire d'un matériau de trame en forme de bande pour un métier à tisser et métier à tisser équipé d'un tel dispositif Download PDF

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Publication number
EP2872684B1
EP2872684B1 EP13729288.4A EP13729288A EP2872684B1 EP 2872684 B1 EP2872684 B1 EP 2872684B1 EP 13729288 A EP13729288 A EP 13729288A EP 2872684 B1 EP2872684 B1 EP 2872684B1
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EP
European Patent Office
Prior art keywords
weft
weft material
storage container
narrow sides
weaving machine
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.)
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Application number
EP13729288.4A
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German (de)
English (en)
Other versions
EP2872684A1 (fr
Inventor
Herbert Müller
Thomas Laukamp
Dirk Janicijevic
Johannes Louven
Nicolaus MEGA
Michael Langer
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Lindauer Dornier GmbH
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Lindauer Dornier GmbH
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Publication date
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Publication of EP2872684A1 publication Critical patent/EP2872684A1/fr
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    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D41/00—Looms not otherwise provided for, e.g. for weaving chenille yarn; Details peculiar to these looms
    • D03D41/008—Looms for weaving flat yarns
    • 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
    • D03D47/12—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein single picks of weft thread are inserted, i.e. with shedding between each pick
    • D03D47/16—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein single picks of weft thread are inserted, i.e. with shedding between each pick by a gripper needle entering the shed empty and drawing the weft as it retracts
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/34—Handling the weft between bulk storage and weft-inserting means
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/34—Handling the weft between bulk storage and weft-inserting means
    • D03D47/36—Measuring and cutting the weft
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/34—Handling the weft between bulk storage and weft-inserting means
    • D03D47/36—Measuring and cutting the weft
    • D03D47/361—Drum-type weft feeding devices
    • D03D47/362—Drum-type weft feeding devices with yarn retaining devices, e.g. stopping pins
    • D03D47/363—Construction or control of the yarn retaining devices
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/34—Handling the weft between bulk storage and weft-inserting means
    • D03D47/38—Weft pattern mechanisms

Definitions

  • the present invention relates to a device for temporarily storing band-like weft material for a weaving machine.
  • a weaving machine for processing band-like weft material shows, for example, the EP 1838911 A1 , It also discloses an apparatus for feeding the ribbon-like weft material to a weft insertion member. The weft material is withdrawn intermittently at each weft insertion cycle of the loom from one or more driven supply reels.
  • the device according to EP 1838911 A1 has the disadvantage that at higher take-off speeds in a very short time the supply reels must be accelerated and slowed down. It is therefore customary to provide temporary storage for the weft material.
  • An apparatus suitable for this purpose shows, for example, the DE 103 15 347 A1 , This relates to the temporary storage of fibers which are discontinuously withdrawn from a supply reel and fed to a production line. An example of such a production line is called weaving.
  • a similar device also shows the JP 2001329452 A , In the DE 103 15 347 A1 and in the JP 2001329452 A However, the buffers are arranged such that the weft material is deflected when deducting between the loop in the storage container and the production line in the loom by 90 degrees. However, deflections are detrimental to some weft materials.
  • Band-like carbon fiber wefts should be deflected as little as possible in the production process, since the very brittle carbon fibers are at risk of breaking at each deflection and since the composite of the ribbon-like weft material can be undesirably dissolved during diversion.
  • a device for the selection of tape-like weft materials from two different yarn stocks is in the DE 10 2009 036589 A1 disclosed.
  • the EP 1838911 A1 shows two supply spools from which ribbon-like weft material is unrolled and fed to a shed.
  • Means for temporarily storing the two weft materials are in the EP 1838911 A1 and in the DE 10 2009 036589 A1 not revealed. Accordingly, it is not known from the state of the art how the supply of weft material from an electrically driven supply reel to a weaving machine via a temporary store is to be effected if alternating tape-like weft material is to be withdrawn alternately from two different supply reels and entered.
  • Object of the present invention is to provide a device for temporarily storing band-like weft material for a loom, which are reduced by the device deflections of the weft material on the way to the loom.
  • This device serves to temporarily store two tape-like weft materials for a weaving machine.
  • ribbon-like weft material here is meant flexible material whose width is several times greater than its thickness. It may be a homogeneous material or a composite of many individual fibers.
  • the first and the second weft material are respectively mounted on a first and a second supply reel, which are each driven by a first or second drive means about an axis of rotation.
  • the device has a first storage container with an opening for the first weft material.
  • This opening can be designed so that thereby supplied to the storage container shot material and can also be removed from the storage container.
  • the storage container has a cover instead of a single opening, which has two openings. One of them can then be used for the supply of weft material to the storage container, while the other is used for the discharge of the weft material.
  • the first storage container has an interior which is bounded by two narrow sides. These two narrow sides extend in a longitudinal direction of the first storage container. These narrow sides are otherwise formed so that between them a U-shaped loop of the first weft material can be formed. This means that the narrow sides of the diameter of the trainees U-shaped loop of the weft material is limited. It does not matter whether the narrow sides are closed walls or merely limiting elements of the interior, which are arranged in such a way that leakage of the U-shaped loop from the interior is prevented. Furthermore, means for applying a first tensile force to the first weft material are present.
  • the apparatus further comprises a first deflecting element, which is arranged such that the first shot material can be fed via the first deflecting element through the opening for the first shot material to the interior of the first storage container.
  • the first deflecting element can be designed, for example, as a deflection roller or in otherwise suitable form. As a rule, the first deflecting element is mounted between the first supply reel and the first storage container.
  • the device according to the invention is characterized by a second storage container having an opening for the second weft material.
  • the second storage container has an inner space which is delimited by two narrow sides such that a U-shaped loop of the second weft material can be formed between these narrow sides.
  • the two narrow sides of the second storage container extend in a longitudinal direction of the second storage container.
  • there are means for applying a second tensile force to the second weft material wherein the second tensile force in the longitudinal direction of the second storage container points from the opening for the second weft material into the interior of the second storage container.
  • a second deflection element is provided, which is arranged such that the second weft material can be fed via the second deflection element through the opening to the interior of the second storage container.
  • the second deflecting element is mounted between the second supply spool and the second storage container.
  • both storage containers are arranged such that the two weft materials can be supplied from the same direction through the respective openings to the storage containers.
  • Such an arrangement results when the openings of the storage containers facing in the same direction with respect to the entire device. Then, the shot materials can be removed again in this direction through the respective openings.
  • the arrangement according to the invention is chosen so that the interiors of the two storage containers each turn to one of the two narrow sides. Finally, the narrow sides of the two interiors are parallel to each other at least in their width. This ensures that the two ribbon-like weft materials in the width direction of the weft material parallel to each other.
  • the two deflecting elements are each arranged such that the respective weft material passes through the opening for this weft material to the interior of the respective storage container in an area can be fed, which - with respect to the two narrow sides of this interior - closer to that of the two narrow sides of this interior, which does not face the interior of the respective other storage container.
  • the arrangement according to the invention is particularly advantageous because it is not possible according to two devices for feeding weft material DE 103 15 347 A1 or JP 2001329452 A easy to arrange next to the loom in the warp direction one behind the other.
  • Such arrangements would be suitable only for normal weft yarn, which is not designed like a belt, since with such weft yarn deflection in all directions transverse to the course of the weft yarn can be allowed.
  • deflections in the direction of the widthwise extension of the belt are in principle not possible, since the belt would thereby be damaged or twisted.
  • the width extension of a band-like weft material extends in a weaving machine usually in the warp direction.
  • the necessary supply and intermediate storage devices can not be arranged one behind the other in the warp direction, since at least one of the two weft materials would require a deflection in width of the belt in order to bring this into the line of movement of the weft insertion element on the loom.
  • the device according to the invention provides a remedy here.
  • both storage containers can be designed, for example, as elongated hollow bodies.
  • the longitudinal axes of the storage container extending substantially in the direction of the tensile forces.
  • the interior may have a rectangular inner cross-section.
  • the shorter axis of symmetry of this inner cross section can have approximately the length of the width extension of the band-like weft material to be stored.
  • the device in operation, is covered with ribbon-like weft material in such a way that the widthwise extension of the strip extends parallel to the shorter axis of symmetry of the inner cross section.
  • the length of the longer symmetry axis of such a rectangular inner cross section corresponds to the distance of the narrow sides of the interior.
  • This distance determines the radius of curvature with which the weft material in Storage tank is deflected U-shaped.
  • a larger distance requires more space, but protects the weft material at the deflection point in the storage container.
  • Very small deflections can be generated on the way to the loom, for example, by providing guide elements for the weft material, which are arranged or adjusted such that the respective weft material from the associated storage container with respect to the narrow sides of a region of the relevant interior is discharged, each of which is closer to that narrow side, which faces the respective other storage container.
  • existing or additional deflection elements or the side walls of the interior can serve as guide elements.
  • separate guide elements may also be provided for the purpose described herein. Thus, both shot materials are discharged close to each other from the device.
  • the device has one or more guide elements which are arranged and / or adjustable such that the two weft materials are guided at least at the output, so when removing from the device such that a line of symmetry, halfway Width of the first weft material perpendicular to the surface thereof, lies in a plane with a line of symmetry, which extends at half the width of the second weft material perpendicular to the surface thereof.
  • a line of symmetry, halfway Width of the first weft material perpendicular to the surface thereof lies in a plane with a line of symmetry, which extends at half the width of the second weft material perpendicular to the surface thereof.
  • the two symmetry lines of the two weft materials lie in one plane.
  • existing or additional elements or the side walls of the interior can serve as guide elements, if they are designed or arranged accordingly.
  • the narrow sides of the interiors of the storage container in its width extension extend parallel to the direction of the axes of rotation of the supply reels, since then between supply reels and interiors a torsion-free running of the weft material is possible.
  • Particularly advantageous is an arrangement of storage containers and deflecting elements, which is constructed partly or completely mirror-inverted to a longitudinally oriented, lying in the middle between the two storage tanks center line.
  • This mirror-image construction makes it possible to remove the two weft materials in the vicinity of the center line from the device and feed them to a weaving machine without further deflections of the weft materials occurring. With this arrangement, it follows that all four narrow sides of the two inner spaces lie in mutually parallel planes.
  • the storage containers may be designed, for example, as storage shafts with openings for the weft material at in each case one of the shaft ends.
  • the device may further be equipped with a vacuum device for exerting the tensile forces on the two weft materials.
  • the negative-pressure device is designed, for example, so that a negative pressure can be generated either in the first or in the second or in both storage containers.
  • a switching device is used.
  • a single vacuum device for example a vacuum pump - to pressurize both storage tanks alternately or simultaneously with negative pressure.
  • a vacuum pump for example a vacuum pump
  • negative pressure device for each one storage container, with which also the above-described alternating operation and possibly also different negative pressures in the two storage containers are possible.
  • the tensile force can also be exerted by a spring device which exerts a pulling force on the weft material via a movable deflection element.
  • a spring device which exerts a pulling force on the weft material via a movable deflection element.
  • one end of a spring is connected to the storage container and the other to the movable deflecting element.
  • the two storage containers of the device for temporarily storing the two ribbon-like weft materials on a weaving machine in such a way that the two pulling forces run parallel to a weft direction of the weaving machine.
  • the weft material can thus be supplied from the storage container to the weft insertion element without a deflection by 90 degrees.
  • It can also be arranged symmetrically to a line which extends substantially in the extension of a line of movement of a weft insertion member of the loom, the two interiors of the storage container.
  • the loom with the device for temporary storage of the two ribbon-like weft materials also a selection device is provided which between the openings of the two storage tanks for the two weft materials and the entrance of a shed of the weaving machine is arranged and with which either the first or the second weft material can be fed to the weft insertion element of the weaving machine.
  • FIGS. 1 and 2 show an embodiment of the device according to the invention for temporarily storing two tape-like weft materials 1, 21 to a loom 3.
  • the first belt-like weft material 1 is fed via a first fixed deflection pulley 16, which works as a deflection, a shaft-like first storage tank 7 with an opening 8 at one of the shaft ends.
  • a first fixed deflection pulley 16 which works as a deflection
  • a shaft-like first storage tank 7 with an opening 8 at one of the shaft ends.
  • the first weft material 1 is withdrawn from a first supply reel 5, which is arranged rotatably about a rotation axis 6.
  • the first supply reel 5 can be driven in a known manner about its axis of rotation 6.
  • the control or control of the drive device 4 takes place with the aid of a controller, not shown.
  • the first weft material 1 forms in the interior 9 of the first storage container 7 a U-shaped loop 12, which is guided in the present embodiment by a movable loop roller.
  • the first weft material 1 is again guided outwardly through the opening 8 of the first storage container 7 in the direction of the loom 3.
  • the inner space 9 of the first storage container 7 is delimited by two narrow sides 10, 11 which are at a distance from each other sufficient to allow the U-shaped loop 12 to be formed around the movable loop roll.
  • Embodiments without a movable loop roll have become known in the prior art in which the U-shaped loop is freely formed in the interior. However, this has certain disadvantages, so it should not be discussed further here.
  • the distance between the two narrow sides 10, 11 is slightly larger than the diameter of the movable loop roller. This ensures that this movable loop roller can move in the longitudinal direction 13 of the storage container 7.
  • the movable loop roller is so wide that it can absorb and deflect the U-shaped loop 12 of the first belt-like weft material 1 in its entire width.
  • the movable loop roll is additionally equipped with ribs 18 for guiding the two side edges of the ribbon-like weft material 1.
  • the width of the inner space 9 is slightly larger than the width of the movable loop roller.
  • the two sides of the interior 9, which limit the width of the interior 9, are closed by covers. This is required so that a negative pressure can be built up in the interior 9, through which a pulling force 15 is exerted on the weft material 1 in the storage container 7.
  • the side cover may be dispensable.
  • a negative pressure in the interior 9 of the storage container 7 is generated by a vacuum device 14 in the form of a vacuum pump.
  • the vacuum device 14 is connected via a line and an intake with the interior 9 in connection.
  • the suction opening is presently arranged at the end of the shaft-like storage container 7, which faces away from the opening 8 for the weft material 1; it is closed with a sieve-like grid.
  • the weft material 1 with the movable loop roller is sucked away from the opening 8 into the first storage container 7; a pulling force 15 is exerted on the weft material. It is customary to control the drive device 4 for the first supply reel 5 so that the movable loop reel can only be sucked in up to a certain position. This position is determined in a known manner via corresponding sensors on the storage container 7 and passed on to the control of the first drive means 4 on.
  • FIGS. 1 and 2 There is a second storage container 27, a fixed second guide roller 36 and a movable loop roller present.
  • the second weft material 21 is guided analogously to the first weft material 1, so that it around the movable loop roll around a U-shaped loop 32 forms and is guided through the opening 28 of the second storage container 27 back out in the direction of the loom 3.
  • a second supply reel 25 is present, from which a second ribbon-like weft material 21 is pulled off.
  • the second supply reel 25 is then rotatably arranged about a rotation axis 26 and with the aid of a second drive device 24, the second supply reel 25 can be driven in a known manner about this axis of rotation 26.
  • the drive is also carried out by means of a control, not shown, which communicates with the control for the first drive means 4 of the first supply reel 5 signal in communication.
  • the interior 29 of the second storage container 27 is bounded analogously to the interior 9 of the first storage container 7 by two narrow sides 30, 31 and two lids whose distances are based on the dimensions of the U-shaped loop 32 and the movable loop roll.
  • the dimensions of the second movable loop roll are selected with respect to the second weft material 21 from the same viewpoint as the first movable loop roll for the first weft material 1. Similar to the shelves 18 of the first loop roll, shelves 38 are attached to the second loop roll.
  • a tensile force 35 is exerted in the second storage container 27. This is done in the present case by the same vacuum device 14, which also provides for the negative pressure in the first storage tank 7.
  • the vacuum device 14 can optionally be brought into communication with the suction port of the first or the second storage container 7, 27 or simultaneously with both suction pressure.
  • a separate second vacuum device 34 for the second storage container 7 As a result of the negative pressure, the second weft material 21 with the movable loop roller is also sucked away from the opening 28 into the second storage container 27.
  • the position control of the second U-shaped loop 32 and the second movable loop roller in the withdrawal of the second weft material 21 by the loom 3 is analogous to the position control in the first storage container. 7 by means of corresponding - not shown - sensors on the second storage container 27 and by the control of the drive means 24 for the second supply reel 25th
  • FIGS. 1 and 2 show that the two storage containers 7, 27 are arranged so that the two inner spaces 9, 29 each one of its two narrow sides 10, 30 turn.
  • the device is equipped with a partition wall 20 between the two storage containers 7, 27.
  • This partition 20 forms with two of its longitudinal sides, the two narrow sides 10, 30, each of the two inner spaces 9, 29 of the storage container 7, 27 limit.
  • the narrow sides 10, 11, 30, 31 extend in planes which are parallel to one another.
  • the two deflecting elements 16, 36 - in the present case designed as deflection rollers mounted fixedly on the respective storage container 7, 27 - are arranged such that the respective weft material 1, 21 is associated with the associated storage container 7, 27 with respect to the narrow sides 10, 11, 30, 31 in FIG a region 17, 37 of the respective interior space 9, 29 is supplied, each of which is closer to that narrow side 11, 31, which faces away from the respective other storage container 7, 27.
  • the associated supply reels 5, 25 and drive devices 4, 24 are arranged in the present example on the side of the respective storage container 7, 27, which faces away from the respective other storage container 7, 27. As already explained above, however, other positions of the supply reels 5, 25 are conceivable.
  • the device has a center line 41 or mirror line, which extends in the longitudinal direction 13, 33 of the storage container 7, 27 in the middle between the two facing narrow sides 10, 30 of the interior spaces 9, 29.
  • this center line 41 is within the partition 20 between the two inner spaces 9, 29 at half the width of the supplied ribbon-like weft material 1.21 or half the width of the two inner spaces 9, 29th.
  • a particularly compact design results from the integration of the two storage containers 7, 27 in a housing with a common partition wall 20 and with an arrangement of the openings 8, 28 for the weft material 1, 21 in a plane at one end of the shaft-like storage container 7, 27th (see. FIG. 3 ).
  • the deflection-free feeding of the weft material 1, 21 is further assisted in that the two weft materials 1, 2 are guided in such a way that their surfaces 19, 39 run parallel to one another and over one another ( FIG. 3 ).
  • "Superimposed” refers to an arrangement of the device on a loom 3, in which the warp and weft threads are horizontal at right angles to each other.
  • the two storage containers 7, 27 lie vertically one above the other and also the two weft materials 1, 21.
  • the width of the ribbon-like weft material 1, 21 extends in the warp direction 23 in the rule ( FIG. 4 ).
  • the axes of rotation 6, 26 of the two supply reels 5, 25 then point in this direction.
  • the device can also be used on looms in which the warp threads are vertical and the weft threads are horizontal. This arrangement is not shown here in figures.
  • the width of the weft material also extends in such a case in the direction of the warp threads - thus vertically. Accordingly, the axes of rotation of the two supply spools also run most expediently vertically in this case, and the storage containers are arranged horizontally next to one another.
  • FIG. 3 illustrates that the two weft materials 1, 21 when passing through the device according to the FIGS. 1 and 2 be guided such that a line of symmetry 2, which extends at half the width of the first weft material 1 perpendicular to the surface 19, in a plane with a line of symmetry 22 which extends perpendicular to its surface 39 at half the width of the second weft material 21.
  • This type of parallel, symmetrical guidance is mainly on Output of the storage container 7,27 in the direction of the loom 3 advantageous so that on the way to loom 3 little rotation or deflection of the weft materials 1, 21 takes place.
  • guide elements 18, 38 on the device, which guide the ribbon-like weft material 1, 21 in the direction of its width and / or in the direction of its thickness.
  • guide elements 18, 38 are attached to the two storage containers 7, 27 in the region of the openings 8, 28 for the respective weft material 1, 21 for this purpose.
  • These guide elements 18, 38 are arranged so that the described type of leadership is guaranteed.
  • This guide can also be done by appropriate design of the deflecting elements 16, 36 and / or by rims 18, 38 to the movable loop rollers.
  • the guide elements 18, 38 are adjustable so that the type of guidance described above can be optimized.
  • the attachment or adjustment of the guide elements 18, 38 is most advantageous such that the respective weft material 1, 21 from the associated storage container 7, 27 with respect to the narrow sides 10, 11, 30, 31 from a region of the respective interior 9, 29 is removed, each of which is closer to that narrow side 10, 30, which faces the respective other storage container 7, 27.
  • FIG. 4 shows a weft insertion element 43 a gripper, which is pushed by the shed formed by the warp shed of the loom 3 in the weft direction 40 alternately back and forth.
  • the gripper on one side of the loom 3 detects the weft material 1, 21 and pulls it behind in the direction of the entrance of the shed 45 and through it.
  • the Weft clamp of the gripper is opened and closed when detecting the weft material 1, 21.
  • the weft material 1, 21 is held at the weft insertion between the clamping surfaces of the weft thread clamp.
  • Such gripper looms are known in the art and therefore will not be discussed further here.
  • FIG. 5 shows an arrangement according to FIG. 4 in which the center line 41 extends between the two inner spaces 9, 29 in the extension of the line of movement 42 of the weft insertion element 43 of the weaving machine 3.
  • the line on which the clamping surfaces of the closed weft thread clamp of the weft insertion element 43 are passed through the shed is considered as the movement line 42 of the weft insertion element 43.
  • the more precisely this arrangement is achieved, the less deflection is required when feeding the two weft materials 1, 21 to the loom 3.
  • FIG. 5 Also shows a further advantageous embodiment with a selector 44 for each shot material 1, 21.
  • a selector 44 for each shot material 1, 21 By the two terminals on the two coupling arms of the selector 44 each one of the two ribbon-like weft materials 1, 21 is held and alternately fed to the weft thread clamp of the weft insertion member 43 ,
  • Such a selection device 44 and its operation shows, for example, the DE 10 2009 036589 A1

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Claims (8)

  1. Dispositif destiné au stockage intermédiaire d'un premier et d'un deuxième matériau de trame (1, 21) du type bande pour un métier à tisser (3),
    - avec un premier récipient de stockage (7) avec une ouverture (8) pour le premier matériau de trame (1) et avec un espace intérieur (9) qui est limité de telle sorte par deux petits côtés (10, 11) qu'une boucle en U (12) du premier matériau de trame (1) peut être constituée entre ces petits côtés (10, 11), ces deux petits côtés (10, 11) s'étendant dans une direction longitudinale (13) du premier récipient de stockage (7) et en direction de la largeur du premier matériau de trame (1),
    - ainsi qu'avec des moyens (14) pour l'application d'une première force de traction (15) sur le premier matériau de trame (1), cette première force de traction (15) étant dirigée dans la direction longitudinale (13) du premier récipient de stockage (7) à partir de l'ouverture (8) pour le premier matériau de trame (1) vers l'intérieur,
    - ainsi qu'avec un premier élément de déviation (16) qui est disposé de telle sorte que le premier matériau de trame (1) peut, par le biais du premier élément de déviation (16), être acheminé vers l'espace intérieur (9) du premier récipient de stockage (7) à travers l'ouverture (8) pour le premier matériau de trame (1),
    caractérisé en ce
    - qu'il y a un deuxième récipient de stockage (27) avec une ouverture (28) pour le deuxième matériau de trame (21) et avec un espace intérieur (29), l'espace intérieur (29) étant limité de telle sorte par deux petits côtés (30, 31) qu'une boucle en U (32) du deuxième matériau de trame (21) peut être constituée entre ces petits côtés (30, 31), ces deux petits côtés (30, 31) s'étendant dans une direction longitudinale (33) du deuxième récipient de stockage (27) et en direction de la largeur du deuxième matériau de trame (21),
    - en ce qu'il y a également des moyens (34) pour l'application d'une deuxième force de traction (35) sur le deuxième matériau de trame (21), cette deuxième force de traction (35) étant dirigée dans la direction longitudinale (33) du deuxième récipient de stockage (27) à partir de l'ouverture (28) pour le deuxième matériau de trame (21) vers l'intérieur,
    - ainsi qu'avec un deuxième élément de déviation (36) qui est disposé de telle sorte que le deuxième matériau de trame (21) peut, par le biais du deuxième élément de déviation (36), être acheminé vers l'espace intérieur (29) du deuxième récipient de stockage (27) à travers l'ouverture (28) pour le deuxième matériau de trame (21),
    - et en ce que les deux récipients de stockage (7, 27) sont disposés de telle sorte que les deux matériaux de trame (1, 21) peuvent être acheminés vers les récipients de stockage (7, 27) à partir de la même direction à travers les ouvertures (8, 28) respectives, les espaces intérieurs (9, 29) des deux récipients de stockage (7, 27) tournant l'un vers l'autre respectivement un des petits côtés, et les petits côtés (10, 11, 30, 31) des deux espaces intérieurs (9, 29) étant parallèles entre eux dans la direction de leur étendue en largeur,
    - et en ce que les deux éléments de déviation (16, 36) sont respectivement disposés de telle sorte que le matériau de trame (1, 21) respectif peut, à travers l'ouverture (8, 28) pour ce matériau de trame (1, 21), être acheminé vers l'espace intérieur (9, 29) du récipient de stockage (7, 27) respectif dans une zone (17, 37) qui, par rapport aux deux petits côtés (10, 11, 30, 31) respectifs, est plus proche du petit côté (11, 31) de cet espace intérieur (9, 29) qui n'est pas tourné vers l'espace intérieur (9, 29) de l'autre récipient de stockage (7, 27) respectif.
  2. Dispositif selon la revendication 1, avec des éléments de guidage (18, 38) pour le matériau de trame (1, 21) qui sont disposés ou réglables de telle sorte que le matériau de trame (1, 21) respectif en provenance du récipient de stockage (7, 27) correspondant peut, par rapport aux petits côtés (10, 11, 30, 31) de l'espace intérieur (9, 29) concerné, être extrait d'une zone qui est respectivement plus proche du petit côté (10, 30) respectif qui est tourné vers l'autre récipient de stockage (7, 27) respectif.
  3. Dispositif selon la revendication 1 ou 2, avec des éléments de guidage (18, 38) qui sont disposés de telle sorte et/ou réglables de telle sont que les deux matériaux de trame (1, 21) sont, dans une zone dans laquelle ils sont évacués hors du dispositif, placés de telle sorte qu'une ligne de symétrie (2), qui est placée sur la demi-largeur du premier matériau de trame (1) perpendiculairement à la surface (19) de ce dernier, est située dans un même plan qu'une ligne de symétrie (22) qui est placée sur la demi-largeur du deuxième matériau de trame (21) perpendiculairement à la surface (39) de ce dernier.
  4. Dispositif selon l'une des revendications 1 à 3, dans lequel les deux récipients de stockage (7, 27) sont disposés de telle sorte que les petits côtés (10, 11, 30, 31) des deux espaces intérieurs (9, 29) sont situés dans des plans parallèles entre eux.
  5. Dispositif selon l'une des revendications 1 à 4, dans lequel il y a une cloison (20) entre les deux espaces intérieurs (9, 29) qui est commune aux deux récipients de stockage (7, 27).
  6. Métier à tisser (3) avec un dispositif selon l'une des revendications 1 à 5, dans lequel les deux récipients de stockage (7, 27) sont disposés de telle sorte que les deux forces de traction (15, 35) sont parallèles à une direction de trame (40) du métier à tisser (3).
  7. Métier à tisser (3) selon la revendication 6, dans lequel les deux espaces intérieurs (9, 29) des récipients de stockage (7, 27) sont disposés de façon symétrique à une ligne médiane (41) qui est parallèle à la direction longitudinale (13, 33) des récipients de stockage (7, 27), et cette ligne médiane (41) étant dans le prolongement d'une ligne de déplacement (42) d'un élément d'insertion de trame (43) du métier à tisser (3).
  8. Métier à tisser (3) selon la revendication 7, avec un dispositif de sélection (44) qui est disposé entre les ouvertures (8, 28) pour les deux matériaux de trame (1, 21) et l'entrée d'un pas de chaîne (45) du métier à tisser (3), et avec lequel au choix le premier (1) ou le deuxième matériau de trame (21) peut être sélectionné et peut être acheminé vers l'élément d'insertion de trame (43) du métier à tisser (3).
EP13729288.4A 2012-07-11 2013-06-05 Dispositif de stockage intermédiaire d'un matériau de trame en forme de bande pour un métier à tisser et métier à tisser équipé d'un tel dispositif Active EP2872684B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012212169.2A DE102012212169A1 (de) 2012-07-11 2012-07-11 Vorrichtung zum Zwischenspeichern von bandartigem Schussmaterial für eine Webmaschine und Webmaschine mit einer solchen Vorrichtung
PCT/EP2013/061563 WO2014009063A1 (fr) 2012-07-11 2013-06-05 Dispositif de stockage intermédiaire d'un matériau de trame en forme de bande pour un métier à tisser et métier à tisser équipé d'un tel dispositif

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EP2872684B1 true EP2872684B1 (fr) 2016-05-11

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EP (1) EP2872684B1 (fr)
JP (1) JP5905647B2 (fr)
CN (1) CN104471130B (fr)
BR (1) BR112015000287A2 (fr)
DE (1) DE102012212169A1 (fr)
RU (1) RU2591772C1 (fr)
WO (1) WO2014009063A1 (fr)

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CN109415852B (zh) * 2016-07-11 2020-09-18 Iro有限公司 零扭转纱线进给设备
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Publication number Publication date
US9328437B2 (en) 2016-05-03
EP2872684A1 (fr) 2015-05-20
US20150203999A1 (en) 2015-07-23
JP5905647B2 (ja) 2016-04-20
CN104471130A (zh) 2015-03-25
WO2014009063A1 (fr) 2014-01-16
RU2591772C1 (ru) 2016-07-20
BR112015000287A2 (pt) 2017-06-27
DE102012212169A1 (de) 2014-01-16
JP2015525834A (ja) 2015-09-07
CN104471130B (zh) 2016-03-23

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