JP2013087410A - Heald with warp thread-friendly thread eye - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a heald that reduces the wear of a warp thread.SOLUTION: The present invention relates to a heald 10 for a heald frame 14. The heald 10 comprises a heald body 11 that is preferably made of a plastic material by injection molding. A thread eye 15 of the heald 10 is provided so that a warp thread 16 moves therethrough in a warp thread direction F. When viewed in a longitudinal direction L of the heald body 11, the thread eye 15 is delimited by two oppositely arranged thread support surfaces 25. The two thread support surfaces 25 have an identical design. Each thread support surface 25 has a first flat surface section 42 and a second flat surface section 43. When viewed in the warp thread direction F, the inclination angle δ of each of the two surface sections 42 and 43 is constant and, preferably, is different. The inclination angle δ is measured with respect to a reference plane E oriented in the horizontal direction when the heald is in its use position. The two surface sections 42 and 43 are connected with each other, without forming steps and edges, by a central curved section 44 disposed therebetween. The central curved section 44 has a convex form when viewed in the direction of the thread support surface 25.

Description

  The present invention relates to a heald for a loom heald frame. A large number of healds are mounted on the heddle frame. Each heald has an eye and guides the warp when the heald is in the use position. During operation, the heald frame moves up and down in the loom to form a heel. The weft goes into the neck. At that time, the warp yarn is subjected to considerable stress along with the heald. However, a large acceleration or delay of the heald must not cause excessive wear or any damage to the warp and heald.

  Patent Document 1 discloses a heald made of a metal part of a band (web) shape. An eye is made by drilling an opening in a metal band. As a result, two bridges are formed that partition the eye and extend in the length direction of the heald body. In order to move the weft, the bridges are bent out of the face of the metal web, so that between each bridge they cross the warp direction and separate them from each other in a direction transverse to the length direction. An interval occurs. In such healds, horns are formed in the eye region, and these horns can potentially cause warp wear. Patent Document 2 also discloses a similar heald.

  Patent Document 3 discloses a resin material heald. The two thread support surfaces that partition the eye in the length direction of the thread are flat and draw a curve on the outer surface of the heald body to reach the end of the surface. The distance between the two bridges in the warp direction across them defines the dimension of the thread support surface having a generally rectangular profile. As a result, the heald is relatively thick in the eye area.

  Another resin material heald is described in US Pat. The two thread support surfaces that partition the eye in the length direction are configured like a bridge, are thin, and have approximately the same thickness as the two bridges that partition the eye. The warp yarn support surface is extremely small.

  Another resin material heald is known from US Pat. A curved thread support surface is provided between two bridges that partition the eye and extend in the length direction of the heald body.

US Patent Application Publication No. 5348055 German Patent No. 4336362 European Patent No. 1739215 Chinese Utility Model No. 2723472 Specification

  In view of the content of the prior art, the object of the present invention is to provide a heald that reduces the wear of the warp.

  In accordance with the present invention, the heald includes a heald body that extends longitudinally between two end eyelets. The heald body is provided with an eye for receiving the warp. The warp thread moves in the warp direction through the eye. The warp yarn direction is understood to mean the direction in which the warp yarns extend in the eye when viewed from the length direction of the warp yarn or when viewing the associated yarn support surface. The warp yarn can be turned in the length direction of the yarn by the heald. When viewed along the entire length of the warp, this warp basically extends in the warp surface defined by the length of the heald body and the warp.

  The eye is partitioned by two thread support surfaces of the heald body, and the support surfaces are provided at intervals in the length direction. Each thread support surface extends between a first length direction side and a second length direction side of the heald body. The two longitudinal sides are preferably configured to connect to the eye without creating steps and / or corners. Each yarn support surface has a first flat surface section and a second flat surface section. The two surface sections are connected to each other without creating a step and / or a corner through a central section that describes a curve. Thus, the two face sections are connected to each other in a yarn-friendly manner. Two face sections can be used to pre-define the warp inclination to be appropriate for each face section on the warp entry side and warp exit side of the eye. In this way, when the warp yarn is placed on each yarn support surface, the size of the yarn support surface viewed from the warp yarn direction can be adapted to the position of the shed opening of the heald. Accordingly, the support surface between the warp yarn and the heald becomes large at the shed opening position, and as a result, the local stress acting on the warp yarn can be reduced. Along with the wear of the heald, the wear of the warp yarn can be suppressed.

  Conveniently, the curvature of the central section depicting this curve can be made constant in the warp direction. The outer shape of the arcuate section thus follows a constant radius in the warp direction, that is to say forms a cylindrical section of the cylinder. The curvature ensures that the stress acting on the warp yarn in the eye does not become excessively large.

  When viewed from the length of the hull body, the heald body includes two bridges for partitioning the eye, which bridges preferably have the same profile. In this embodiment, each bridge is provided with a flat yarn guide surface on the side facing the yarn support surface. In particular, for each yarn guide surface, the direction of each yarn guide surface is determined such that the normal vector crosses the warp yarn direction and points in the transverse direction transverse to the length direction. As a result, the yarn guide surface extends in one plane defined by the warp yarn direction and the length direction. The yarn guide surface oriented in the warp yarn direction is arranged to guide the warp yarn through the eye in a yarn-friendly manner.

  In another aspect, the longitudinal distance between two bridges measured in the warp direction is at least five times the transverse distance, where the transverse distance is perpendicular to the warp direction and is It is the distance between two bridges measured in the transverse direction perpendicular to the vertical direction. In so doing, the yarn support surface located in the region between the bridges provides a sufficiently large support surface for the warp yarns in the length direction of the warp yarns, further reducing local stresses acting on the warp yarns. it can. The width of the heald at the eye may be at most 20% greater than the sum of the thicknesses of the two transverse bridges measured perpendicular to the warp direction and perpendicular to the length direction. As a result, the heald is relatively thin in the lateral direction. This is why the number of healds on the heald frame is so large.

  Further, each thread support surface has a first transition section that curves in the warp direction between the first length side of the heald body and the first surface section, and / or the second length side of the heald body and the second length side. It is convenient to have a second transition section that curves in the warp direction between the two sections. As a result, an arcuate transition without corners is possible between each thread support surface and the two outer surfaces of the heald body. The curvatures of the two transition sections may have different values. In a preferred embodiment, the curvature of the first and / or second transition section is constant when viewed from the warp direction. The first and / or second transition section transitions to the adjacent flat surface section of the yarn support surface and the adjacent longitudinal direction side without particularly forming a step or a corner.

  The end of the first outer surface adjacent to the first transition section and / or the end of the second outer surface adjacent to the second transition section preferably form an acute angle with the warp direction. In particular, the ends of the first and second outer surfaces are inclined with respect to the warp direction and extend in parallel with each other by the same length. The end of each outer surface adjacent to the transition section is connected to two bridges on the heald body.

  In one aspect, the first outer surface and / or the second outer surface is rotated about an axis parallel to the length direction at least in a region adjacent to the eye when viewed from the length direction, The normal vector of the second outer surface forms an acute angle with the warp direction adjacent to each yarn support surface. In the eye region, the heald body of this embodiment is rotated about an axis extending parallel to the length direction, thereby forming a yarn path region for the warp between the two bridges.

  When the associated heald is in the open position, the inclination of the first face section in the warp direction is adapted to the warp entry angle and / or the inclination of the second face section in the warp direction is adapted to the warp exit angle convenient. The warp yarn entrance angle is an angle formed by the warp yarn guided by the eye with respect to a reference plane extending perpendicular to the length direction when moving toward the heald. The warp exit angle is the angle that the warp yarn makes with respect to the reference plane, and the warp yarn moves from the heald toward the cellage at that angle. In this configuration, the local stress acting on the warp yarn, and hence the local stress acting on the warp yarn support surface of the heald, is extremely small and, as a result, wear is minimized. The warp yarn entry angle and the warp yarn exit angle have substantially the same dimensions.

  On the opposite side of the warp guide surface, each bridge has a flat outer surface, which is preferably arranged parallel to the warp guide surface. The flat outer surface thus extends parallel to the warp direction, which is why warp yarns moving between two adjacent healds can slide along the outer surface.

  At the two ends of the longitudinally located heald body, the heald body has end eyelet regions in which the heald end eyelets for mounting the heald support rails are arranged. In one aspect, the two outer surfaces of the heald body are designed to create no steps or corners at least outside these end eyelet regions. As a result, the heald slides along the warp threads that move through the heald and the healds are not caught on these warps.

  In particular, the heald is preferably composed of a resin material produced by casting such as injection molding and / or a composite material based on the resin material. The heald can be made of agglomerated material as an integral form with no seams or connections. The eye is preferably partitioned directly by the heald body. For example, heald body inserts such as heald eyes may be omitted.

  Advantageous embodiments of the heald according to the invention result from the dependent claims and the description of the present application. The description is limited to the essential features of the invention and other circumstances. The drawing should be used as a supplementary reference. Hereinafter, the present invention will be described by way of examples with reference to the drawings.

FIG. 3 is a schematic view of the heald shown in side view as seen from the transverse direction transverse to the warp direction and across the length of the heald body. FIG. 6 is a schematic diagram illustrating a warp progress through two exemplary healds in a perspective view. It is a schematic side view of the progress of the warp shown in FIG. FIG. 6 is a perspective view of a portion having an eye of an exemplary embodiment of a heald. FIG. 5 is a cross-sectional view of the heald of FIG. 4 taken along section line VV of FIG. 4. FIG. 6 is an enlarged view of the eye of the heald shown in FIGS. 4 and 5. It is the schematic of the thread | yarn support surface of a heald seen from the length direction. FIG. 4 is a partial view of the heald body cut in the region of the yarn support surface with the cut surface oriented in the warp yarn direction and length direction.

  The present invention relates to a heald 10 schematically illustrated in FIG. In the embodiment, the heald 10 includes a heald body 11 made of a resin material or a composite material having the resin material as a base material, for example, by casting such as injection molding. The heald body extends in the length direction L, and has an end small hole region 12 having an end small hole (ear hole) 13 at each of the length direction ends. End eyelets 13 are provided for attaching healds 10 to the respective heald support rails of heald frame 14. The heald body 11 has an eye 15 located approximately in the middle between the two end eyelets 13. In the use position of the heald 10, the warp 16 is guided through the eye 15. When viewed from the length direction L in the warp direction F, the warp 16 moves through the eye 15 of the heald 10.

  In order to generate the mouthpiece, the heald frame 14 moves in the vertical direction corresponding to the length direction L of the heald body 11 in the use position of the heald 10. When doing so, the warp yarn 16 guided through the eye 15 of the heald 10 is bent upward or downward from the horizontal plane. Starting from the backrest 19 or partial rod, the warps 16 each extend towards the associated heald 10 and enter the eye 15 of the heald 10 on the warp entry side 20. At the shed opening position, the warp yarn 16 extends at an angle of warp yarn entrance angle α with respect to the horizontal plane on the warp yarn entrance side 20 toward the eye 15. On the warp yarn outlet side 21 opposite the warp yarn inlet side 20, the warp yarn 16 extends from the eye 15 toward the cellage 22 at a warp yarn exit angle β with respect to the opposite vertical surface. As shown schematically in FIG. 3, the warp entry angle α and the warp exit angle β may differ depending on whether the heald frame 14 is on the upper or lower shed. For example, the upper value may be the first values α1 and β1 and the lower value may be the second values α2 and β2. In addition, the warp entry angle α and the yarn exit angle β are also a function of the position of the heddle frame between the cellage 22 and the backrest 19, which position is indicated in FIG. ing. In the embodiment described here, the distance between the heald frame 14 and the backrest 19 is longer than the distance between the heald frame 14 and the cellage 22, so that the warp entry angle α is greater than the warp exit angle β. Is also small.

  The heald body 11 has an outer surface that is completely free of corners and steps, at least outside the two end eyelet regions 12. As a result, the warp thread 16 of the other heald frame 14 passing between two adjacent healds 10 can slide along the heald 10 in a thread-friendly manner without being caught. As a result, the risk of excessive wear on the warp yarn 16 and the risk of cutting the yarn are suppressed. The lines drawn on the heald body 11 in FIG. 4 are for illustrating the outer shape of the heald body 11 and do not represent corners.

  In order to pick up the warp yarn 16 in a yarn-friendly manner, the eye 15 has a special configuration. In the length direction L, the eye 15 is partitioned by two thread support surfaces 25 arranged to face each other. When the heald frame 14 that supports the heddle 10 is in either the upper or lower shed, the warp yarn 16 guided through the eye 15 is supported by one of the two yarn support surfaces 25.

  The eye 15 is partitioned by two bridges 26 spaced apart from each other in the transverse direction Q perpendicular to both the warp yarn direction F and the length direction L. On the side facing the warp 16 that moves through the eye 15, each bridge 26 has a flat thread guide surface 27. The yarn guide surface 27 of the bridge 26 extends in a plane defined by the warp yarn direction F and the length direction L. The normal vector NF of the yarn guide surface 27 points in the horizontal direction Q. The yarn guide surface 27 of the bridge 26 connects the two yarn support surfaces 25 of the heald body 11 between them. As a result, an eye 15 is formed, and the periphery of the eye is partitioned by two thread support surfaces 25 and two thread guide surfaces 27 on the bridge 26.

  Each bridge 16 has a flat outer surface 28 facing away from the eye 15 opposite the yarn guide surface 27. The outer side surface 28 extends parallel to the yarn guide surface 27. The thickness d in the transverse direction Q of the bridge 26 is measured as the length between the yarn guide surface 27 and the outer surface 28 and is generally between 0.4 mm and 0.5 mm. The outer surface 28 of the bridge 26 is a part of the outer surface of the heald body 11 and is not partitioned by steps or corners.

  Two longitudinal edges 29 of each bridge that are substantially directed in the warp direction F are connected to a thread guide surface 27 and an outer surface 28. These edges are curved or arcuate so that the yarn guide surface 27 and the outer surface 28 are connected to each other via the two longitudinal edges 29 of the bridge 26 without creating steps or corners. It has become. In the present embodiment, two longitudinal edges 29 of the two bridges 26 facing each other in the warp direction F of the heald body 11 have a constant radius, as is apparent from FIG. The longitudinal edge 29 of the bridge 26 located away from the eye 15 may have several arcs and / or flat sections.

  A distance DL exists between the two bridges 26 that partition the eye 15, and this distance corresponds to the inner width in the warp direction F of the two bridges 26. The lateral distance DQ is a distance measured between the two bridges 26 in the lateral direction Q, that is, a distance between the two flat yarn support surfaces 27 as shown in the example. This corresponds to the inner width in the horizontal direction Q. The longitudinal distance DL is at least 5 times, in particular 5 to 7 times the lateral distance DQ. The lateral distance DQ may be, for example, 0.15 mm to 0.2 mm. The length direction distance DL may be, for example, 1 mm to 1.5 mm. The width B of the heald body 11 in the eye 15 region is measured in the lateral direction Q between the outer surfaces 28 of the bridge 26. In the embodiment shown here, the width B may be from 1.0 mm to 1.5 mm. The width B of the heald body 11 of the eye 15 may be, for example, 10% longer than the sum of the thicknesses d of the two bridges 26.

  The yarn support surface 25 is divided into several regions. 7 and 8 show a plurality of different regions. Each thread support surface 25 extends between the first outer surface 33 and the second outer surface 34 of the heald body 11. The two outer surfaces 33, 34 are arranged on the two flat sides of the heald body 11 that face away from each other at the longitudinal edges 35 of the heald body 11 and transition without creating steps or corners. ing. The two outer surfaces 33 and 34 are arranged so as to be always parallel to each other. The normal vector NA of the first outer surface 33 and the normal vector NB of the second outer surface 34 point in the lateral direction Q and reach the end small hole region 12. The two outer faces 33, 34 are adjacent to the eye 15 and rotate with respect to the longitudinal center plane M of the heald body 13, but the center plane extends perpendicular to the transverse direction Q and is adjacent to the eye 15. The normal vectors NA of the two outer surfaces 33 and 34 are inclined with respect to the lateral direction Q, and are also inclined with respect to the warp direction F. The normal vector NA forms a rotation angle γ with the lateral direction Z, and the angle is, for example, 15 ° to 20 °. Thus, the two bridges 26 are offset with respect to the longitudinal center plane M on different sides of the heald body 11, resulting in a lateral distance DQ between the two bridges 26.

  In the region of the eye 15, the orientation of the outer surfaces 33 and 34 of the heald body 11 is determined in this way, so that the end portion 33 a of the first outer surface 33 adjacent to the yarn support surface 28 or the yarn support surface 25 is adjacent. The end portion 34b of the second outer surface 34 forms a rotation angle γ with respect to the warp direction F, and as a result, has an inclination with respect to the warp direction F and also has an inclination with respect to the lateral direction Q. And extend.

  The distance DS measured between the two outer surfaces 33, 34 of the heald body 11 adjacent to the eye 15 in the direction of the normal vector NA of the two outer surfaces 33, 34 is from the thickness d of one bridge 26. Also long. In the present embodiment, the distance DS between the two outer surfaces 33 and 34 substantially corresponds to the diagonal length of the bridge 26. The distance DS between the two outer faces 33, 34 is shorter than the longitudinal distance DL between the two bridges 26.

  The yarn support surface 25 extends between the end portion 33 a of the first outer surface 33 and the end portion 34 a of the second outer surface 34. The yarn support surface includes a first transition section 40 adjacent to the first outer surface 33 and a second transition section 41 adjacent to the second outer surface 34. The two transition sections 40 and 41 are curved. In this example, the curvature of the transition sections 40 and 41 is constant with respect to the warp direction F. In FIG. 8, the heald body 11 is shown cut by a plane in the region of the yarn support surface 25, and the surface extends parallel to the longitudinal center plane M of the heald body 11. As a result, this cut surface is defined by the warp yarn direction F and the length direction L. The cut surface is adjacent to the yarn support surface 25 and extends with an inclination with respect to the first outer surface 33 and the second outer surface 34. In this cutting plane, the two transition sections 40 and 41 have an arcuate outer shape, for example, an arc outer shape, the arc of the first transition section 40 has a radius r1, and the second transition section 41 has a radius r1. The arc has a second radius r2. The two radii r1, r2 may have different lengths or the same length.

  The outer shape of the transition sections 40 and 41 is limited to the yarn guide area A of the eye 15. The thread guide area A is understood to mean the area of the eye 15 in which the warp thread 16 can move in the transverse direction Q between the bridges 26. According to this example, the yarn guide area A is partitioned by two surfaces defined by the two yarn guide surfaces 27 of the bridge 26 (FIG. 7). In this embodiment, the shape and the cross section of the yarn support surface 25 described above and below are limited to the yarn guide region A. Outside the yarn guide region A, the yarn guide surface 25 has a surface shape and / or a convex shape that is not particularly stepped or angular and has changed from the shape defined in the yarn guide region A. It is possible to prevent the yarn support surface 25 from being recessed inside and outside the yarn guide region.

  In a modified embodiment, the curvature of one of the two transition sections 40, 41 may not be constant with respect to the warp yarn direction F.

  Further, the yarn support surface 25 has a first flat surface section 42 and a second flat surface section 43. The two surface sections 42 and 43 extend in different planes. The first flat surface section 42 extends at an inclination angle δ1 with respect to the reference surface E, and the reference surface extends at right angles to the length direction L. The first inclination angle δ1 is constant with respect to the warp yarn direction. The second surface section 43 extends with a second inclination angle δ2 with respect to the reference plane E. The second inclination angle δ2 is constant with respect to the warp yarn direction F. The first inclination angle δ1 corresponds to the warp entry angle α, and the second inclination angle δ2 corresponds to the warp exit angle β. When the heald 10 is located in the heald frame 14 at the lip opening position, the warp yarns are in contact with the two face sections 42, 43 and are not particularly stressed through the two transition regions 40, 41. Since the warp yarn 16 extends toward the curved surface of the transition region 40, 41 and touches each flat surface section 42 or 43, the warp yarn extends above the transition section 40, 41 and first contacts the flat surface section 42, 43. It becomes like this.

  Between the two flat surface sections 42, 43 there is a central curved section 44 which is connected to the two flat sections 42, 43 without creating steps and corners. In the present embodiment, the curved section 44 has a constant outer shape in the warp direction F. In the cross-sectional view along the warp direction F shown in FIG. 8, the outer shape of the curved section 44 is formed by an arc having a third radius r3. In the present embodiment, the center of the arc of the curved section 44 is located outside the center plane X between the first outer surface 33 and the second outer surface 34.

  Accordingly, the outer shape of the yarn support surface 25 is asymmetric with respect to the center plane X between the two outer surfaces 33, 34. However, in a modified embodiment, the outer shape may be symmetric with respect to the center plane X.

  As a whole, the yarn support surface 25 is designed so as not to form a step or a corner. Viewed from the warp direction F, the surface exhibits a constant slope or a constant curvature in these sections, each with a tangential transition. According to the present invention, the outer contour of the yarn support surface is defined in advance with respect to the warp yarn direction F, and is inclined with respect to the normal vector NA of the outer surfaces 33 and 34 of the heald body 11, the surface being Adjacent to the thread support surface 25.

  The described curvatures or slopes of the yarn support surface 25 and its compartments 40, 41, 42, 43, 44 are provided at least in the yarn guide region A as described above, and therefore outside of the yarn guide region A their It may vary from the value.

  The present invention relates to a heald 10 for a heald frame 14. The heddle 10 includes a heald body 11 that is preferably made of a resin material by injection molding. The eye 15 of the heald 10 is provided so that the warp yarn 16 moves in the warp yarn direction F therethrough. When viewed from the length direction L of the main body 11, the eye 15 is partitioned by two thread support surfaces 25 arranged to face each other. The two yarn support surfaces 25 have the same configuration. Each yarn support surface 25 has a first flat surface section 42 and a second flat surface section 43. When viewed from the warp direction F, the inclination angles δ of the two surface sections 42 and 43 are constant and preferably have different sizes. The tilt angle δ is measured with respect to a reference plane E that is oriented horizontally when the heald is in the use position. The two surface sections 42 and 43 are connected to each other without forming a step or corner by a center curve section 44 placed between them, and the center curve section 44 has a convex shape when viewed from the direction of the yarn support surface 25. Have.

10 Hold 11 Hold body 12 End small hole area 13 End small hole 14 Hold frame 15 Eye (threadhead)
16 Warp yarn 19 Backrest 20 Warp yarn inlet side 21 Warp yarn outlet side 22 Cellage 25 Thread support surface 26 Bridge 27 Thread guide surface 28 Outer surface 29 Filler length direction edge 33 First outer surface 33a First outer surface end 34 Second Outer side surface 34a Second outer surface edge 35 Lengthwise edge 40 of the main body 40 First transition section 41 Second transition section 42 First surface section 43 Second surface section 44 Curve section α Warp entry angle α1 1 value α2 second value of warp entry angle β warp exit angle β1 first value of warp exit angle β2 second value of warp exit angle γ rotation angle δ1 first inclination angle δ2 second inclination angle B heald body width d bridge thickness Length DL Distance in length DQ Lateral distance DS Distance between outer sides E Reference plane F Warp direction L Length direction M Length direction center plane NA Outer side normal vector NF Yarn guide surface normal vector r1 First half r2 second radius r3 third radius Q transverse direction X center plane

Claims (15)

A heald body (L) extending in the length direction (L) and having an eye (15) provided for receiving the warp yarn (16), the warp yarn moving through the eye (15) in the warp yarn direction (F) 11) a heald (10) for a heald frame (14) comprising
The eye (15) is partitioned by two thread support surfaces (25) existing in the longitudinal direction (L) at a distance from the heald body (11), and the thread support surface is Extending between the first outer surface (33) and the second outer surface (34) of (11),
Each thread support surface (25) has a first flat surface section (42) and a second flat surface section (43) connected to each other without creating a step or corner by a curved section (44).   The heald according to claim 1, characterized in that the curvature (1 / r3) of the central curve section (44) is constant with respect to the warp direction (F).   The eye (15) is further partitioned by two bridges (26) extending in the length direction (L) of the heald body (11), each of the bridges having a flat thread guide surface (27), The heald according to claim 1 or 2, characterized by the above.   The normal vector (NF) of the yarn guide surface (27) is transverse to the warp yarn direction (F) and is oriented in the transverse direction (Q) across the length direction (L). The heald according to claim 3.   The longitudinal distance (DL) of the two bridges (26) measured in the warp direction is perpendicular to the warp direction (F) and perpendicular to the length direction (L). The heald according to claim 3 or 4, characterized in that it is at least five times as long as the lateral distance (DQ) of the two bridges (26) measured at the same time.   The width (B) of the heald (10) on the eye (15) is perpendicular to the warp direction (F) and measured in the transverse direction (Q) perpendicular to the length direction (L). 6. A heald according to any one of claims 2 to 5, characterized in that it is at most 20% larger than the total thickness of the bridge (26).   In each of the yarn support surfaces (25), the first yarn support surface is a first transition surface (40) between the first outer surface (33) and the first surface section (42), The first transition surface that draws a curve in the warp direction (F) and / or the second support surface is the first between the second outer surface (34) and the second surface section (43). The heald according to any one of claims 1 to 6, wherein the second transition surface (41) has the second transition surface that draws a curve in the warp yarn direction (F).   The end (33a) of the first outer surface (33) adjacent to the first transition section (40) and / or the second outer surface (34) adjacent to the second transition section (41). The heald according to claim 7, wherein the end (34a) forms an acute angle with the warp direction (F).   The curvature (1 / r1) of the first transition section (40) and / or the curvature (1 / r2) of the second transition section (41) is determined by the warp yarn (16) between the bridges (26). The at least one yarn guide region (A) capable of moving in the transverse direction (Q) in (15) is constant with respect to the warp yarn direction (F). Listed heald.   The normal vector (NA) of the first outer surface (33) and / or the second outer surface (34) adjacent to each of the yarn support surfaces (25) forms an acute angle with the warp yarn direction (F). The heald according to any one of claims 1 to 9, characterized in that   In the associated opening position of the heald frame (14), the inclination angle (δ1) of the first surface section (42) corresponds to the warp entry angle (α) and / or the second surface section. 11. The heald according to any one of claims 1 to 10, wherein the inclination angle (δ2) of (43) is adapted to the warp yarn exit angle (β).   Each of the bridges (26) has a flat outer surface (28) on the opposite side of the yarn guide surface (27), and the outer surface faces parallel to the yarn guide surface (27). The heald according to any one of claims 1 to 11, characterized in that:   The first outer surface (33) and / or the second outer surface (34) are configured so as not to form a step or a corner at least outside the end small hole region (12). The heald according to any one of claims 1 to 12.   14. A heald according to any one of the preceding claims, wherein the eye (15) is directly partitioned by the heald body (11).   15. A heald according to any one of the preceding claims, wherein the heald (10) is a resinous heald.

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