WO2017036853A1 - Dispositif de déviation pour métier à tisser et procédé de fabrication de dispositif de déviation - Google Patents

Dispositif de déviation pour métier à tisser et procédé de fabrication de dispositif de déviation Download PDF

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Publication number
WO2017036853A1
WO2017036853A1 PCT/EP2016/069882 EP2016069882W WO2017036853A1 WO 2017036853 A1 WO2017036853 A1 WO 2017036853A1 EP 2016069882 W EP2016069882 W EP 2016069882W WO 2017036853 A1 WO2017036853 A1 WO 2017036853A1
Authority
WO
WIPO (PCT)
Prior art keywords
grooves
guide surface
deflecting device
woven fabric
guide plate
Prior art date
Application number
PCT/EP2016/069882
Other languages
English (en)
Inventor
Kristof Roelstraete
Bernard Vancayzeele
Original Assignee
Picanol
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from BE2015/0218A external-priority patent/BE1023396B1/nl
Priority claimed from BE2016/0063A external-priority patent/BE1024006B1/nl
Application filed by Picanol filed Critical Picanol
Publication of WO2017036853A1 publication Critical patent/WO2017036853A1/fr

Links

Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D49/00—Details or constructional features not specially adapted for looms of a particular type
    • D03D49/04—Control of the tension in warp or cloth
    • D03D49/22—Back rests; Lease rods; Brest beams
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03J—AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
    • D03J1/00—Auxiliary apparatus combined with or associated with looms
    • D03J1/22—Temples
    • D03J1/223—Temples acting on the full width of cloth

Definitions

  • the invention relates to a deflecting device for a woven fabric in a weaving machine, in particular a terry weaving machine.
  • the invention further relates to a method for manufacturing a deflecting device for a weaving machine, in particular for a breast beam device of a weaving machine.
  • breast beams are arranged upstream of a draw-off roller and a fabric beam or cloth beam, to which the fabric is wound, for supporting the fabric as it is woven.
  • loops are produced by so-called pile warp threads.
  • a partial beat-up is carried out for a defined number of successive weft thread insertions, wherein for a partial beat-up a beat-up line is at a distance of a fell line of the woven fabric.
  • the beat-up line and the fell line are approached to each other for a complete beat-up after the insertion of the last weft thread of said defined number of successive insertions and the loops are formed.
  • a fabric table or cloth table which is moved together with the breast beam.
  • a deflecting device for deflecting a woven fabric in a weaving machine
  • the deflecting device comprising a guide plate wherein the guide plate has a guide surface, over which guide surface in use the woven fabric is drawn in a transport direction of the woven fabric, and wherein a number of slanted grooves is provided in the guide surface on at least both side areas of the guide surface, which grooves have a slant angle with respect to the transport direction of the woven fabric for guiding and spreading the woven fabric that is drawn over the guide surface.
  • the grooves in the guide plate are formed as through grooves
  • the deflecting device comprises at least one cover element that is arranged at least in a region of the through grooves at the side of the guide plate opposite to the guide surface, so that an assembly of the guide plate with through grooves and the at least one cover element forms a deflecting device with surface grooves.
  • a groove that is delimited or sealed off towards a side opposite to the guide surface is referred to as surface groove.
  • the surface grooves are formed by covering the through grooves in the guide plate by means of at least one cover element arranged at the side of the guide plate opposite to the guide surface.
  • the loops of the pile warp threads will prevent that dust is accumulated in the grooves.
  • the guide plate By means of the guide plate provided with grooves, a spreading action is exerted on the woven fabric, wherein the guide plate allows for a cost effective manufacturing.
  • knots or loops in the warp threads in particular in pile warp threads, may extend through the grooves, get trapped in the grooves, and, as a result, be damaged.
  • the at least one cover element, in particular a cover plate prevents that knots or loops in the warp threads extend through the grooves.
  • the deflecting device can be arranged at any position after a fell line of the woven fabric with respect to a draw-off roller.
  • the guide plate is a bent plate having a curved deflecting guide surface.
  • the guide surface can be used as a surface of a breast beam device or of a deflector roll.
  • the guide plate is a bent synthetic plate.
  • the guide plate is a bent metal plate, wherein the metal plate is bent to form a suitably curved deflecting guide surface.
  • the deflecting device comprises a rod having a circular cross-section, wherein the guide surface is curved along a circular arc around the rod.
  • the length of the curved guide surface preferably is at least a quarter of a circle.
  • the curved surface allows mounting of a section of the guide plate provided with the guide surface around a rod having a circular cross-section, such rods are available as cheap mass-produced goods.
  • the section of the guide plate, provided with the guide surface is mounted directly on the rod. In other embodiments, bushes are provided between the rod and the guide plate.
  • the at least one cover element in preferred embodiments is at least one plate, in particular at least one bent plate such as a bent metal plate.
  • the plate is bent to allow the cover element being placed at a side of the bent guide plate opposite to the guide surface.
  • a bending radius of the cover element is for example slightly smaller than that of the guide plate.
  • the grooves are formed as through grooves, allowing for a cost effective manufacturing.
  • the grooves are formed as surface grooves.
  • the grooves provided at opposite side areas are slanted in opposing directions, so that when looking in the transport direction of the woven fabric, two grooves provided at opposite side ends mutually diverge in the transport direction.
  • the guide plate has mirror symmetry and a number, a size and an absolute value of the slant angle of the grooves provided at the opposite side ends is identical.
  • a spreading of the woven fabric is most required at the fabric sides, therefore, at least at the two side areas of the guide surface, over which the fabric sides are drawn, are provided with grooves.
  • grooves are formed over the entire width of the guide surface, wherein in one embodiment, an absolute value of the slant angle of the grooves is increased towards the side ends of the guide surface.
  • the slant angle of the grooves is larger for grooves that are arranged near the side ends of the guide surface than for grooves that are arranged near a central area of the guide surface. This allows for a stronger spreading effect at the side ends.
  • grooves extending in the transport direction are provided.
  • a central area of the guide surface in a width direction is provided with a smooth surface without grooves.
  • no grooves are provided at the central area.
  • the spatial extent of the side areas provided with grooves can be chosen by the person skilled in the art considering properties of the woven fabric, more in particular the width of the woven fabric, and/or the weaving pattern.
  • the grooves are provided at the side areas extending over approximately a quarter of the guide surface, so that approximately half of the guide surface is a smooth surface.
  • each of the two side areas has the same slant angle.
  • the absolute value of the slant angle is between 5° and 45°.
  • the number, the slant angle and the dimensions of the grooves are chosen by the person skilled in the art considering properties of a fabric and/or of a weaving pattern.
  • the width is preferably chosen sufficiently large to allow a dust removal by means of the loops of the fabric and sufficiently small to prevent fabric deformation.
  • all grooves have the same width, wherein preferably at each side area the grooves have a width of 1 mm to 10 mm.
  • a rail is provided at a trailing edge of the guide surface in a transport direction.
  • the rail is attached to the guide plate.
  • the grooves are offset in the transport direction from the trailing edge of the guide surface. This allows for a manufacturing of the guide plate in one piece without an additional assembly step.
  • the guide plate in some embodiments is arranged stationary at a frame of the weaving machine. In other embodiments, in particular when the guide plate is used with a terry weaving machine, the guide plate is arranged to move together with the woven fabric upon a displacement of the fabric with respect to the beat-up line, wherein apart from said movement, the guide plate is held fixed in position, more in particular is mounted fixed in position in the supporting unit.
  • the guide plate further has a mounting part, which in use is offset to the woven fabric drawn over the guide surface, wherein the guide plate is mounted fixed in position to the supporting unit by means of the mounting part. The mounting part allows for a mounting without any interference with the woven fabric drawn over the guide surface.
  • the guide plate is a multiple bent plate, bent to form the guide surface and the mounting part.
  • the guide plate can be bent continuously, for example according to a circular shape.
  • the bent guide plate has a hook-shaped cross-section.
  • the deflecting device is a breast beam device arranged upstream of a draw-off roller in a weaving machine, in particular in a terry weaving machine.
  • a guide plate having slanted grooves By using a guide plate having slanted grooves, a cost effective breast beam device is provided, wherein a contraction of the woven fabric is avoided.
  • the breast beam device forms a structural unit with a fabric table device.
  • a method for manufacturing a deflecting device for deflecting a woven fabric in a weaving machine comprising a guide plate having a guide surface over which in use the woven fabric is drawn in a transport direction of the woven fabric, wherein the method comprises forming a number of slanted grooves in the guide surface on at least both side areas of the guide surface, which grooves have a slant angle with respect to the transport direction of the woven fabric for guiding and spreading the woven fabric drawn over the guide surface.
  • the grooves are formed as through grooves, and at least one cover element is arranged at least in a region of the through grooves at the side of the guide plate opposite to the guide surface, so that an assembly of the guide plate with through grooves and the at least one cover element forms a deflecting device with surface grooves.
  • the guide plate is a punched or stamped part, wherein the grooves are formed during the punching or stamping operation.
  • the grooves are formed by laser cutting. This allows a cutting of small grooves with high precision into the guide plate.
  • at least the guide surface of the guide plate is polished.
  • the guide plate is bent, wherein preferably the number of grooves is formed in an area of a flat plate, and wherein after forming the grooves the flat plate is bent.
  • the flat plate is bent to form a curved deflecting guide surface, in particular to form a curved deflecting guide surface curved along a circular arc.
  • the guide plate can be arranged on a rod having a circular cross-section for providing for example a cost effective breast beam device.
  • the guide plate is bent to form a curved deflecting guide surface and a mounting part, which mounting part in use is offset to the woven fabric drawn over the guide surface, wherein the guide plate is mountable fixed in position to a supporting unit by means of the mounting part.
  • At least one further flat plate-shaped element is bent to form the at least one cover element and is arranged at the side of the guide plate opposite to the guide surface to cover the through grooves in the guide plate.
  • the flat plate element for forming the at least one cover element and the flat plate for forming the guide plate are bended separately and assembled after bending.
  • the flat plate element for forming the at least one cover element and the flat plate for forming the guide plate are bent together for forming the assembly of the guide plate and the cover element.
  • FIG. 1 is a schematic illustration of a terry weaving machine
  • Fig. 2 is a cross-sectional side view of a breast beam device and a fabric table device of a terry weaving machine
  • Fig. 3 is a perspective view of the breast beam device and the fabric table device of Fig. 2;
  • Fig. 4 is a cross-sectional view of a guide plate of the breast beam device of Fig. 2 and 3;
  • Fig. 5 is the cross-sectional view of Fig. 4 wherein a circle is shown;
  • Fig. 6 is a top view of the guide plate of Fig. 4;
  • Fig. 7 is a front view of a guide plate similar to the guide plate of Fig. 6;
  • Fig. 8 shows a plate used for forming the guide plate of Fig. 4
  • Fig. 9 shows a deflecting device with a guide plate of Fig. 4 and a cover element
  • Fig. 10 shows a variant of Fig. 9.
  • FIG. 1 schematically shows a terry weaving machine 1 having a warp beam 10 with a ground warp 1 1 and a warp beam 12 with a pile warp 13.
  • the ground warp 1 1 is deflected into the weaving plane by means of a backrest 14.
  • the pile warp 13 runs over a deflector roll 15 to a backrest 16 and then likewise into the weaving plane. Both the ground warp 1 1 and the pile warp 13 run to shedding devices indicated by arrows 17.
  • a deflector roll 61 is provided to deflect the ground warp 1 1 and to ensure that the ground warp 1 1 always runs in the same direction to the backrest 14 irrespective of the amount of the thread stored on the warp beam 10 as indicated by two dash-dotted lines in Fig. 1 .
  • a stationary deflector roll 62 is arranged upstream of the deflector roll 15, so that the pile warp 13 always runs in the same direction to the deflector roll 15.
  • a warp stop motion 51 is assigned to the ground warp 1 1 in the area between the backrest 14 and the backrest 16.
  • the pile warp 13 also has its own warp stop motion 50 assigned to it in the area in which it is still separated from the ground warp 1 1 .
  • weft threads (not shown) are inserted in each case into the sheds which are formed by the warp threads.
  • a reed 19 which is swivelable with a sley 18, brings the inserted weft threads to a beat-up line.
  • the device for inserting weft threads may take the form, for example, of an air-jet weaving machine device, which conventionally consists of two main nozzles arranged one behind the other and next to the shed and a row of relay nozzles arranged on the sley 18. The blowing direction is directed towards a weft insertion channel of the reed 19.
  • grippers are provided for a weft insertion in a gripper weaving machine.
  • the weft threads are tied up by means of the warp threads when the shed is changed, this means a number of warp threads are changed from the upper position into the lower position and a number of warp threads are changed from the lower position into the upper position.
  • the woven fabric 20 formed in this way is drawn off by means of a draw-off roller 21 and then wound onto a fabric beam 22.
  • a breast beam device 23 and two deflector rolls 24, 25 are arranged upstream of the draw-off roller 21 in the transport direction.
  • the deflector roll 25 is a roll, which is held by means of a supporting part 64 between the deflector roll 24 and the draw-off roller 21 .
  • the woven fabric deflected downwards by the breast beam device 23 out of the weaving plane is deflected by the deflector roll 25 in such a way that the same woven fabric side (bottom side of woven fabric) which lies on a surface of the breast beam device 23 also lies on the circumferential surface of the draw-off roller 21 .
  • the breast beam device 23 forms a structural unit with a fabric table device 26.
  • the fabric table device 26 comprises a fabric table 39, which close to the fell line provides support for the woven fabric 20 as it is produced.
  • auxiliary devices 38 such as temples or full-width temples can also be provided.
  • the backrest 14 of the ground warp 1 1 , the backrest 16 of the pile warp 13 and the breast beam device 23 together with the fabric table device 26 may be moved to and fro in the direction of the double-headed arrows A.
  • the backrest 14 of the ground warp 1 1 is arranged at one or both ends on a swivel lever 9, which is swivelable around a shaft 67.
  • This swivel lever 9 is provided with an arm 63, which is activated by a pressure spring 52.
  • the breast beam device 23, the construction of which will be explained more in detail below, is mounted on both sides by levers 8, which are swivelable around a shaft coaxial with the deflector roll 24.
  • the backrest 16 of the pile warp 13 is held on both sides by levers 3, which are swivelable around a shaft 53 parallel to the backrest 16. Swiveling is effected by means of a separate drive motor 7, which drives at least one of the swivel levers 4, which are arranged at a spacing corresponding to the maximum woven fabric width.
  • the swivel levers 9 of the backrest 14 of the ground warp 1 1 are coupled to the swivel levers 4 by means of transmission rods 6 and the levers 3 of the backrest 16 of the pile warp 13 are coupled to said levers 4 by means of transmission rods 2.
  • the levers 8 are also coupled to the swivel levers 4 by means of transmission rods 5.
  • the levers 8 extend upwards from the deflector roll 24. In other embodiments, the levers 8 extend downwards, wherein transmission rods 5 in one embodiment are arranged underneath the weaving plane.
  • Constructions of the device for to-and-fro movement of breast beam device 23, the backrest 14 and also of the backrest 16 may be configured as described in WO 2006/131323 A1 and/or WO 2006/131324 A2 incorporated herein by reference.
  • the woven fabric 20 is displaced in order to cause a variation of the distance of the fell line of the woven fabric from the beat-up line, this means to the line which the reed 19 approaches during beating-up a weft thread to the fell line.
  • the woven fabric 20 is moved by moving backrest 14, backrest 16 and breast beam device 23 to the right in Fig. 1 , so that the fell line approaches the beat-up line again.
  • this weft thread is brought up to the fell line together with the previously inserted weft threads.
  • the weft threads slide along the warp threads of the ground warp 1 1 , which are relatively tightly tensioned.
  • the warp threads of the pile warp 13 are less tensioned, so that the weft threads carry the pile warp 13 with them during the beat-up movement, the pile warp 13 thus forming loops which protrude upwards and downwards the surface of the ground warp 1 1 .
  • Figs. 2 and 3 show a side view and a perspective view from the front of a breast beam device 23 and a fabric table device 26 similar to the ones of Fig. 1 , respectively.
  • the fell line 36 and the beat-up line 37 lie close to each other, and a full beat-up takes place.
  • the backrest 14 see Fig. 1
  • the backrest 16 see Fig. 1
  • the breast beam device 23 can be moved in order to displace the woven fabric 20, and thus to displace the fell line 36 from the beat-up line 37.
  • the breast beam device 23 comprises a bent guide plate 40.
  • the bent guide plate 40 has a hooked-shaped cross-section with a guide surface 41 and a mounting part 42.
  • the guide surface 41 is arranged for guiding and deflecting a woven fabric 20, and is further also named deflecting guide surface 41 .
  • a section of the guide plate 40 with the guide surface 41 is bent to form a curved deflecting guide surface 41 curved along a circular arc.
  • the guide plate 40 is mounted around a rod 27 having a circular cross-section and extends parallel to the draw-off roller 21 .
  • the deflecting guide surface 41 extends over more than a quarter of the circumference of the rod 27.
  • the guide plate 40 is supported by means of a supporting unit 49 (see Fig. 3) and extends parallel to the rod 27.
  • the guide plate 40 is attached to the supporting unit 49 by means of mounting screws 43 inserted into holes 44 at the mounting part 42.
  • the supporting unit 49 is attached via screws 54 to the levers 8, extends between the levers 8 and moves together with the levers 8.
  • the levers 8 rotate with respect to the shaft 66 and are driven via a transmission rod 5.
  • the shaft 66 is supported by a support 48 of a frame of the weaving machine.
  • no deflector roll 25 is provided and the woven fabric 20 is not guided by the deflector roll 24 that is arranged on the shaft 66.
  • connecting elements 30 are provided to the rod 27 (see Fig. 2) that are connected to upper parts 34.
  • Each upper part 34 is guided in a linear guide 29 of a lower part 33 that is mounted on a shaft 35 extending parallel to the rod 27 in the frame of the weaving machine.
  • the shaft 35 is supported by several supports 31 that are arranged in the frame of the weaving machine.
  • a plurality of linear guides 29 are distributed over the width of the weaving machine.
  • the upper parts 34 and the lower parts 33 are guided via the linear guides 29 inside each other in the transport direction of the woven fabric.
  • At least one of the linear guides may comprise undercut guide elements, for example guide elements undercut in the manner of a dovetail. Such guide elements prevent that the upper parts 34 can move away from the lower part 33 radially with respect to the shaft 35. Not undercut guide elements then serve only to support the upper parts 34.
  • a structural unit comprising the breast beam device 23 and the fabric table device 26 is provided.
  • the fabric table device 26 for example, can comprise a profiled fabric table 39 that comprises a fabric support 32.
  • the woven fabric 20 extends, as shown in Fig. 2, in a plane extending between the fabric support 32 and the guide surface 41 of the guide plate 40, which is part of the breast beam device 23, and the woven fabric 20 is bent over the guide plate 40.
  • a plurality of slanted grooves 45 is provided in the guide surface 41 at both side areas of the guide surface 41 .
  • the grooves 45 have a slant angle with respect to the transport direction D of the woven fabric 20 for exerting a spreading effect on the woven fabric 20 drawn over the guide surface 41 .
  • Figs. 4 to 7 show a cross-sectional view, a cross-sectional view, a top view and a front view of the guide plate 40, respectively.
  • the guide plate 40 is a bent plate, which is bent to form a curved deflecting guide surface 41 and a mounting part 42. More in particular, the guide surface 41 is curved along a circular arc of a circle 65. The circular arc has an angle of more than 90°, in particular approximately 120°.
  • the mounting part 42 extends from the guide surface 41 , wherein the length of the circular arc and the angle at which the mounting part extends from the guide surface 41 are chosen such that the mounting part 42 is offset to a plane of a woven fabric 20 (see Fig. 2) drawn over the guide surface 41 .
  • a plurality of holes 44 is provided at the mounting part 42 for receiving mounting screws 43 (see Fig. 3).
  • the holes 44 are provided with slots allowing the guide plate 40 to slide onto the mounting screws 43 or pins provided at the supporting unit 49 (see Fig. 3),
  • a number of slanted grooves 45 is provided in the deflecting guide surface 41 at both side areas of the deflecting guide surface 41 .
  • the grooves 45 have a slant angle with respect to the transport direction D of the woven fabric 20 (see Fig. 2) for exerting a spreading action on the woven fabric 20 drawn over the guide surface 41 .
  • a central area 46 of the guide surface 41 in a width direction is provided with a smooth surface without grooves 45.
  • grooves 45 are provided at each side area, each groove 45 having a width of approximately 2 to 4 mm and a length in the transport direction D of approximately 55 to 70 mm.
  • the grooves 45 are provided approximately at outer quarters of the guide surface 41 .
  • approximately half of the guide surface 41 seen in the width direction is provided with grooves 45.
  • each grooves 45 have the same slant angle with respect to the transport direction D.
  • the guide plate 40 has mirror symmetry and the number of grooves 45 as well as the absolute value of the slant angle of the grooves 45 is identical for both sides.
  • the absolute value of the slant angle is for example between 5° and 45°.
  • the grooves 45 are offset in the transport direction D from a trailing edge 28 of the guide surface 41 .
  • a flat plate is provided into which flat plate a number of straight and slanted directed grooves 45 are cut in an area functioning in use as the guide surface 41 , in other words straight grooves 45 that in use are directed slanted with respect to the transport direction of the woven fabric 20.
  • FIG. 8 schematically shows a flat plate 140 that is used for forming the guide plate 40 of Figs. 2 to 7, wherein at least at both side areas of the area 141 functioning in use as the guide surface 41 (see Figs. 2 to 7) grooves 45 are cut, which grooves 45 have a slant angle with respect to the transport direction of the woven fabric. Further, holes 44 are cut into a trailing edge 28 of an area 142 of the flat plate functioning in use as the mounting part 42 (see Figs. 2 to 7).
  • the grooves can be arranged through the plate and form so called through grooves, in particular the grooves 45 are formed as so called through grooves, this means grooves that extend completely through the thickness of the guide plate 40. In terry weaving machines, for example, such through grooves can be applied and can be manufactured cost effective. In alternative, the grooves can only be provided near the surface of the plate, and form so called surface grooves. [0056] After forming the grooves 45 the flat plate 140 is bent to form a curved deflecting guide surface 41 (see Fig. 4). In particular, the flat plate 140 is bent to form a deflecting guide surface 41 curved along a circular arc and to form a mounting part 42 extending from the guide surface 41 as shown in Fig. 4.
  • Fig. 9 shows a deflecting device 2 comprising a guide plate 40 with a guide surface 41 and with through grooves 45.
  • the deflecting device 2 also comprises a cover element 47.
  • the cover element 47 in the embodiment shown is a plate element having almost the same shape as the guide plate 40, which cover element 47 abuts against the side of the guide plate 40 that is arranged opposite to the guiding surface 41 .
  • the cover element 47 is arranged at least in the region of the through grooves 45, so that the through grooves 45 of the guide plate 40 are covered by the cover element 47.
  • a bent plate element is provided as the cover element 47 having at least approximately the same length as the guide plate 40.
  • two bent plate elements are provided as cover elements 47, each of these bent plate elements extending over a length of a group of slanted through grooves 45 provided at the two opposite ends of the guide plate 40.
  • the assembly of the guide plate 40 and the cover element 47 forms a deflecting device 2 with surface grooves, in other words with grooves delimited towards the rod 27 and not extending through the thickness of the assembly comprising the guide plate 40 and the cover element 47.
  • the cover element 47 is arranged on an inner surface of the guide plate 40, so that the grooves 45 are sealed off by the cover element 47.
  • the guide plate 40 and the cover element 47 can be attached together to the supporting unit 49 by means of mounting screws 43.
  • Guide plates 40 formed by bending a flat plate having different shapes can be provided, wherein the cover element 47 is adapted to the shape of the guide plate 40.
  • Fig. 10 shows a deflecting device 2 with a guide plate 40 having another shape than the one shown in Fig. 9, and with a respective cover element 47 that has a shape similar to the shape of the guide plate 40 of Fig. 10.
  • the cover element 47 can hereby be attached together with the guide plate 40 to a supporting unit, such as the guide plate shown in WO 2016/131324 A1 is attached to a supporting unit.
  • deflecting device and the method according to the invention are not limited to the embodiments described by way of example and illustrated in the drawings. Alternatives and combinations of the described and illustrated embodiments that fall under the claims are also possible.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)

Abstract

L'invention concerne un dispositif de déviation qui permet de faire dévier un tissu tissé dans un métier à tisser et qui comporte une plaque de guidage (40), ayant une surface de guidage (41), lors de l'utilisation, le tissu tissé (20) étant étiré sur la surface de guidage (41) dans une direction de transport (D) du tissu tissé (20), et une pluralité de rainures inclinées (45), situées dans la surface de guidage (41) sur au moins les deux zones latérales de la surface de guidage (41), lesdites rainures (45) ayant un certain angle d'inclinaison par rapport à la direction de transport (D) du tissu tissé (20) pour guider et étaler le tissu tissé (20) qui est étiré sur la surface de guidage (41). Le dispositif de déviation (2) peut comporter un ensemble formé de la plaque de guidage (40) et d'au moins un élément de couverture (47). L'invention concerne également un procédé pour fabriquer un tel dispositif de déviation.
PCT/EP2016/069882 2015-09-03 2016-08-23 Dispositif de déviation pour métier à tisser et procédé de fabrication de dispositif de déviation WO2017036853A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
BE2015/0218 2015-09-03
BE2015/0218A BE1023396B1 (nl) 2015-09-03 2015-09-03 Ombuiginrichting voor een weefmachine en werkwijze voor het vervaardigen van een ombuiginrichting
BE2016/0063 2016-04-04
BE2016/0063A BE1024006B1 (nl) 2016-04-04 2016-04-04 Ombuiginrichting voor een weefmachine en werkwijze voor het vervaardigen van een ombuiginrichting

Publications (1)

Publication Number Publication Date
WO2017036853A1 true WO2017036853A1 (fr) 2017-03-09

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Application Number Title Priority Date Filing Date
PCT/EP2016/069882 WO2017036853A1 (fr) 2015-09-03 2016-08-23 Dispositif de déviation pour métier à tisser et procédé de fabrication de dispositif de déviation

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WO (1) WO2017036853A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102157238B1 (ko) * 2020-03-30 2020-09-17 조재구 섬유기용 마찰방지 템플커버

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3346030A1 (de) * 1983-12-20 1985-06-20 Institute für Textil- und Faserforschung Stuttgart, 7306 Denkendorf Webmaschine
BE1007136A6 (nl) * 1993-06-18 1995-04-04 Picanol Nv Staafbreedhouder voor weefmachines.
WO2006131324A2 (fr) * 2005-06-10 2006-12-14 Picanol N.V. Machine a tisser les tissus eponge

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3346030A1 (de) * 1983-12-20 1985-06-20 Institute für Textil- und Faserforschung Stuttgart, 7306 Denkendorf Webmaschine
BE1007136A6 (nl) * 1993-06-18 1995-04-04 Picanol Nv Staafbreedhouder voor weefmachines.
WO2006131324A2 (fr) * 2005-06-10 2006-12-14 Picanol N.V. Machine a tisser les tissus eponge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102157238B1 (ko) * 2020-03-30 2020-09-17 조재구 섬유기용 마찰방지 템플커버

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