EP3009544A1 - Litze für webrahmen, mit einer solchen litze ausgestatteter webrahmen, und herstellungsverfahren einer solchen litze - Google Patents

Litze für webrahmen, mit einer solchen litze ausgestatteter webrahmen, und herstellungsverfahren einer solchen litze Download PDF

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Publication number
EP3009544A1
EP3009544A1 EP15189876.4A EP15189876A EP3009544A1 EP 3009544 A1 EP3009544 A1 EP 3009544A1 EP 15189876 A EP15189876 A EP 15189876A EP 3009544 A1 EP3009544 A1 EP 3009544A1
Authority
EP
European Patent Office
Prior art keywords
housing
link
smooth
axis
strand
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.)
Granted
Application number
EP15189876.4A
Other languages
English (en)
French (fr)
Other versions
EP3009544B1 (de
Inventor
Michel Herrmann
Philippe Gaubert
Damien Bouchet
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Staeubli Lyon SA
Original Assignee
Staeubli Lyon SA
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Filing date
Publication date
Application filed by Staeubli Lyon SA filed Critical Staeubli Lyon SA
Publication of EP3009544A1 publication Critical patent/EP3009544A1/de
Application granted granted Critical
Publication of EP3009544B1 publication Critical patent/EP3009544B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C9/00—Healds; Heald frames
    • D03C9/02—Healds
    • D03C9/024—Eyelets
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00—Jacquards
    • D03C3/24—Features common to jacquards of different types
    • D03C3/40—Constructions of lifting-cords
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C9/00—Healds; Heald frames
    • D03C9/02—Healds
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C9/00—Healds; Heald frames
    • D03C9/02—Healds
    • D03C9/026—Material used

Definitions

  • the invention relates to a guide rail of a warp for a loom, and to a loom equipped with such a loom.
  • the invention also relates to a method of manufacturing such a smooth.
  • a jacquard loom is equipped with a Jacquard mechanism that controls several hooks.
  • Each hook controls one or more arches.
  • Each arch is connected to one end of a guide rail of a warp thread, which is connected by another end to a frame of the craft via a return spring.
  • Each arm is provided with an eyelet for the passage of the warp and is composed of a link and a smooth body including two strands. These parts can be manufactured separately. The smooth is then called composite and needs to be assembled before it is put in place.
  • EP-A-1908863 to use a smooth body made of plastic material and a ceramic or hard metal link.
  • the smooth body is overmolded on the link.
  • This overmoulding process generates burrs when the mold closes around the link during the injection of the plastic material.
  • the rails must be polished again to remove burrs. Indeed, these burrs could damage the neighboring son when they rub on the rail during weaving.
  • CN-Y-201228205 further discloses a bar which, in the embodiment of Figures 4 to 6 , comprises a porcelain link in which are formed two through openings and four recessed areas. The strands of the smooth body are overmolded in these through openings and in these recessed areas. This overmolding generates the same problems as those mentioned above.
  • the invention intends to remedy more particularly by proposing a composite rail whose link and the body of smooth perform an assembly having a high resistance to effort and limited space.
  • the invention relates to a smooth guide a warp for a loom, the arm extending in length along a longitudinal axis and comprising a smooth body having at least one strand.
  • the beam also comprises at least one link including at least one housing and an eyelet for passing the warp thread.
  • the rail body comprises at least one housing, while the housing of the link and the housing of the rail body extend along the same axis transverse to the longitudinal axis.
  • the housing of the smooth body is vis-à-vis the housing of the link, these two housing together forming a housing pair, while a solidified resin assembly member is disposed in the housing pair.
  • the resin assembly member ensures a good transmission of the longitudinal connection forces between the link and the smooth body in the manner of rivets.
  • the connection forces can be transmitted via the resin assembly member in three directions: longitudinal, lateral and transverse.
  • the resin assembly members are without play in the housing and do not solicit the link and the smooth body, during the establishment and curing of the resin.
  • the invention also relates to a loom equipped with several guide rails of a warp thread.
  • This loom is characterized in that at least one guide rail is as mentioned above.
  • the Jacquard type loom M represented by figure 30 is equipped with a Jacquard mechanism 102 which controls several hooks 104, a lower end of which is associated with several arches 106.
  • a lower end 106a of each arch 106 is connected to an upper end 1a of a guide rail 1 of a wire chain, each lug 1 being subjected to the action of a return spring 108 attached to a latching beam 110 by a rod 112, the beam 110 being fixed on a frame of the trade M.
  • the elements 106, 1, 108, 110 and 112 form a harness H of the trade M.
  • the Figures 1 to 11 show a first embodiment of a guide rail 1 of a warp thread of the trade M.
  • the guide rail 1 extends in length along a longitudinal axis X1 and comprises a smooth body 10 and a link 2.
  • the smooth body 10 comprises two separate strands 4.
  • Y1 and Z1 are two axes of the bar 1, perpendicular to the axis X1, the axis Y1 corresponding to the width of the link 2, while the transverse axis Z1 corresponds to its thickness.
  • the smooth body 10 has connection means 11 A or 11 B to a spring 108 or an arch 106.
  • the connecting means 11 A comprise an external thread 12 which is intended to be screwed into a spring 108.
  • the connecting means 11B are intended to be connected to an arcade 106 of the Jacquard H harness.
  • the means 11B comprise a tip 14 which forms an opening 16 for passage and jamming of the arch 106 and a tube 18 for rigid connection, made of plastic material or metal, which is mounted around the strand 4 with the possibility of movement along the axis X1 relative to the opening 16.
  • the connecting means 11 B comply with EP-B-1 741 815 .
  • other connection means may be provided at the ends of the smooth body 10.
  • the link 2 is plane and extends in length along a longitudinal axis X2.
  • Y2 is a lateral axis, perpendicular to the axis X2.
  • the link 2 includes a central portion 20 which has lateral edges 21 rounded by polishing.
  • the central portion 20 is provided with an orifice which forms an eyelet 22 for the passage of a warp thread, which eyelet 22 passes through the link 2 from one end to the other along a transverse axis Z2 perpendicular to the axes X2 and Y2.
  • the axes X2, Y2 and Z2 are concurrent in the center of the eyelet 22.
  • the eyelet 22 is of rectangular shape in a main plane P of the link 2 which contains the axes X2 and Y2.
  • the Figures 1 and 2 are parallel to this main plane P, which is visible at figure 8 .
  • the axes X2, Y2 and Z2 are respectively coincident with the axes X1, Y1 and Z1 of the rail 1.
  • the link 2 is symmetrical with respect to a plane of symmetry P S which contains the axes Y2 and Z2.
  • L22 the length of eyelet 22 measured parallel to the longitudinal axis X2 and L20 the length of the central portion 20 of the link 2 measured parallel to the axis X2. This length L20 is greater than or equal to five times the length L22.
  • l22 the width of the eyelet 22 measured parallel to the lateral axis Y2.
  • l20 is the width of the central portion 20 of the link 2 measured parallel to the axis Y2.
  • the width l22 of the eyelet 22 is greater than half the width l20 of the central portion 20 of the link 2 and is preferably equal to 60% of the width l20.
  • the central portion 20 of the link 2 is extended on each side along the longitudinal axis X2 by a tab 24.
  • the tabs 24 have, along the axis Y2, a reduced width l24 relative to the central portion 20.
  • Each tab 24 has a free longitudinal end 240 opposite to the central portion 20.
  • the reduction in width along the axis Y2 is progressive, from the central portion 20 to each lug 24.
  • the central portion 20 has, in the vicinity of each leg 24, two rounded cams 23 which provide the junction between the portion of width l20 of the central portion 20 and the adjacent tab 24. There is a transition zone defined in the central portion 20 in the vicinity of a tab 24 and bordered by cams 23.
  • the link 2 includes a housing 26 at each transition zone 25.
  • the housings 26 are formed by holes passing through the link 2 from one side parallel to the axis Z2 and have a circular section in the main plane P.
  • the housings or holes 26 have an oblong or polygonal section in the main plane P.
  • the housings 26 are intended to receive resin.
  • each edge 27 is provided with two notches 28A and 28B offset along the axis X2 and which form resin receiving housings, as can be seen from the explanations that follow.
  • the notches 28A and 28B extend over the entire thickness of the tabs 24 in the direction of the Z2 axis and are in the form of rectangular slots in the main plane P. According to one variant, the notches 28A and 28B of the link 2 are in the form of semicircular slots in the main plane P. On each side of the link 2, the housing 26 and the notches 28A and 28B are offset, along the longitudinal axis X2, with respect to each other.
  • the link 2 is in mono-thickness metal.
  • the link 2 is made by cutting a treated steel sheet and its edges 21 are polished to provide roundings non-aggressive son.
  • the link 2 is polyamide, glass or ceramic, metal and ceramic materials being preferred for their hardness.
  • X4, Y4 and Z4 respectively denotes a longitudinal axis and two transverse axes of a strand 4.
  • the axes X4, Y4 and Z4 are respectively coincident with the axes X1, Y1 and Z1 of the stringer 1.
  • Each strand 4 comprises a rod 41 having a round section along a transverse plane P T perpendicular to the longitudinal axis X4 and parallel to the axes Y4 and Z4.
  • the rod 41 extends in length between a first longitudinal end 42 on which are formed the connection means 11 A or 11 B and a second longitudinal end 44 at which the assembly is made with the link 2.
  • each strand 4 widens along the lateral axis Y4 and thins along the transverse axis Z4, away from the rod 41.
  • each end 44 has a transverse section which flattens away from the stem 41.
  • each strand 4 has a single receiving cavity 48 which receives a tab 24 of the link 2.
  • the receiving cavity 48 opens in the direction of the longitudinal axis X4 and in the direction of the transverse axis Z4.
  • the receiving cavity 48 is delimited laterally in the direction of the axis Y4 by two side walls 49.
  • the receiving cavity 48 has a bottom 51 which delimits it along the transverse axis Z4.
  • l51 is the width of the bottom 51 measured parallel to the lateral axis Y4.
  • the bottom 51 has progressive variations in width l51 along the axis X4.
  • the bottom 51 of the cavity 48 is extended, in the direction of the longitudinal axis X4 towards the link 2, by a final portion 52 which protrudes longitudinally from the side walls 49.
  • the final portion 52 has a free end 54.
  • the final portion 52 tapers towards the free end 54 in width along the lateral axis Y4 and also in thickness along the transverse axis Z4.
  • the final portion 52 has two edges 52A and 52B which converge towards the axis X4 while approaching the free end 54. According to the axis Z4, the final portion 52 is at the same level as the bottom 51.
  • the side walls 49 are each extended by a beveled edge 50 towards the final portion 52, the bevelled edges 50 making the transition between the side walls 49 and the final portion 52.
  • Each side wall 49 has an inner surface 490 which has a rough and / or striated surface condition obtained directly during the manufacture of the strand 4.
  • the depth of the receiving cavity 48 measured parallel to the transverse axis Z4 at the side walls 49 is noted p48.
  • the depth p48 varies along the axis X4.
  • the depth p48 is greater than the thickness e24, so that when the tab 24 is received in the cavity 48 of the strand 4 with the leg 24 in contact with the bottom 51, the side walls 49 protrude beyond the tab 24 in a direction parallel to the axes Z2 and Z4.
  • Each cavity 48 is generally complementary to the tab 24 that it receives.
  • the depth p48 is equal to the thickness e24.
  • housing 46A, 46B and 46C are formed by holes through the end 44 from side to side parallel to the transverse axis Z4.
  • the two housings 46A and 46B pass through the bottom 51 of the receiving cavity 48, while the housing 46C passes through the final portion 52 of the strand 4.
  • the three housings 46A, 46B and 46C are offset along the longitudinal axis X4.
  • the two housings 46A and 46B open into the longitudinal groove 56A and the housing 46C opens into the longitudinal groove 56B.
  • Each housing 46A, 46B and 46C has a circular section.
  • the housings 46A, 46B and 46C are holes having an oblong or polygonal section.
  • the strand 4 is made of polyamide and is manufactured by injection.
  • the strand 4 is reinforced with fibers, for example glass fibers or carbon fibers.
  • the external thread 12 and the end piece 14 of the connecting means 11 A and 11 B are in one piece with the rods 41.
  • the rounded cams 23 of the link 2 are arranged longitudinally in overlap of the final portion 52, so that at the transition between the link 2 and each strand 4, the central portion 20 of the link 2 and the strand 4 are overlapping one on the other.
  • the transition between the link 2 and each strand 4 does not occur abruptly at the longitudinal ends 240 and 44 of the two parts but, instead, it takes place while the link 2 and the strand 4 are overlapping.
  • the width of the free end 54 of the final portion 52 measured parallel to the lateral axis Y4 is denoted by l54.
  • l54 the width of the link 2 between the rounded cams 23, this width l23 being measured parallel to the axis Y2 and along the axis X2 at the same longitudinal level as the free end 54 when the bar is assembled.
  • the width l54 is smaller than the width l23. This geometry limits the risk of hooking of the wires in friction against the rail 1.
  • the link 2 and each strand 4 overlap respectively in the longitudinal direction X1, so that the housings 46A and 46B are respectively vis-à-vis along the axis Z1, with the notches 28A and 28B and so as to the housing 46C is vis-à-vis along the axis Z1 with the housing 26.
  • the housing 26, 28A and 28B of the link 2 and the housing 46A, 46B and 46C of the strand 4 then form five pairs of housing.
  • the housing pair 31 is formed by the housing 46A and the notch 28A located above the axis X1 in this figure and which is the closest to the free end 240.
  • the housing pair 32 is formed by the housing 46A and the notch 28A located below the axis X1 in this figure and which is the closest to the free end 240.
  • the pairs 33 and 34 are respectively formed by the housing 46B and the notches 28B disposed respectively above and below the axis X1 and which are farthest from the free end 240.
  • the housing pair 35 is formed by the housings 46C and 26.
  • the two strands 4 are placed on a horizontal flat bearing surface, the cavities 48 being open on the top, that is to say opening on the same side along the axis Z1 .
  • the strand 4, which is intended to be linked to an arch, is provided with its connection tube 18 prior to assembly with the link 2.
  • the link 2 is then placed on the two strands 4, with its legs 24 engaged in each of the cavities 48, in contact with the bottoms 51 of the cavities 48.
  • the housings 26, 28A, 28B of the link are positioned so that they are vis-à-vis two by two with the housing 46A, 46B, 46C of the smooth body.
  • the housing 26, 28A, 28B communicate with the housings 46A, 46B, 46C and open on the same side of the rail along the axis Z1, which allows to deposit the volumes of resin that will constitute all the assembly members on the same side of the bar at which opens the receiving cavities 48 of the strand.
  • a controlled amount of epoxy resin is then deposited in each housing pair 31 to 35.
  • the resin is an acrylic resin. This resin is deposited in each pair of housing when it is still liquid and spreads under the effect of gravity so that it fills each pair of housing. The excess of resin is distributed in the grooves 56A and 56B and in the receiving cavity 48.
  • the resin is cured by heating at a temperature that depends on its composition. Alternatively, the resin cures at room temperature or under ultraviolet radiation or LED.
  • the resin solidifies in the housing couples.
  • the solidified resin then forms assembly members 61, 62, 63, 64 and 65 in the form of rivets which each extend from the link to the smooth body along the axis Z1.
  • each housing 26, 28A, 28B of the link 2 extends under the effect of gravity and by capillarity into the housings 46A, 46B, 46C of the smooth body and in the grooves 56A and 56B.
  • the cavities 48 and the tabs 24 of the link 2 remain visible during the setting operation and hardening of the resin.
  • each assembly member or rivet 6i is without play in the housing pair 3i.
  • Each rivet 6i is monobloc and comprises a body 6A which is located at the housing pair 3i, more precisely which extends through the link 2 and through the smooth body 10 along the axis Z1 from the accommodation of the link of the housing couple 3i into the housing of the smooth body of the housing pair 3i.
  • the body 6A extends generally along the direction Z1 as well as visible on the figures 8 and 11 .
  • Each rivet 6i also has a head 6B, on each side of the body 6A, on either side of the housing pair 3i. Each head 6B forms an end portion of the rivet 6i enlarged relative to the adjacent portion of the body 6A of the rivet 6i.
  • the heads 6B are formed of the resin in excess which overflows on the end 44 in the grooves 56A and 56B and on the tab 24 received in the receiving cavity 48.
  • Figures 5 to 8 the heads 6B on the groove side 56A and 56B are disk-shaped.
  • the head 6B of the rivet 65 is also in the form of a disk, while the heads 6B of the rivets 61 to 64 are in the form of rectangular studs with rounded edges.
  • the housing 46A is common to the housing pairs 31 and 32, the rivets 61 and 62 are connected.
  • the body 6A of the rivet 61 received in the housing 46A is integral with the body 6A of the rivet 62 received in the housing 46A and the heads 6B of the two rivets 61, 62 disposed in the groove 56A are monobloc.
  • the housing 46B, the pairs 33 and 34 and the rivets 63 and 64 are monobloc.
  • rivets 6i provide a connection between the end end 44 of each strand 4 and the corresponding tab 24 of the link 2.
  • the assembly rivets 6i act as obstacles arranged between the strand 4 and the link 2. Indeed, each rivet or obstacle 6i is engaged in the link 2 and in the strand 4 in the two directions of the axis X1 so that the rupture of the resin body 6A is necessary to allow relative movement between the link 2 and the strand 4 according to the longitudinal axis X1. As long as they are not broken, the rivets 6i secure the link 2 and the strand 4.
  • the heads 6B of the rivets 6i prevent the link 2 and the strand 4 from moving in the transverse direction Z1.
  • the volume of resin between the notches 28A, 28B and the edges 49 and the rivet 65 secure the link 2 and the strand 4 along the lateral axis Y1.
  • the rivets 6i provide a connection of the link 2 with the strand 4 about the axes X1, Y1 and Z1.
  • the advantage of using rivets 6i set up in housing in liquid form and which solidify in housing is that the resin fills and takes the form of housing to form an obstacle, without play with the link or the body of smooth, at relative movement of the link and the body along at least the axis X1.
  • the use of the resin also makes it possible to optimize the housing geometries of the housing pair, which may be of different geometries and of different sections.
  • the rivets 6i do not solicit the link 2 or the strands 4 during their establishment and the hardening of the resin, unlike rivets reported solid in the parts to be assembled.
  • the resin can extend between several housing pairs, parallel to the longitudinal axes X1 and lateral Y1.
  • the resin then forms bridges which connect the heads 6B of some of the rivets 6i with each other.
  • a head 6B of a rivet 6i disposed in a first pair of housings is integral with the head 6B of at least one other rivet 6i disposed in a second pair of housings.
  • These first and second pairs of housings are distributed in the longitudinal direction and / or distributed in the lateral direction. In this case, the mechanical blocking force of the rail body and the link is improved.
  • grooves 56A and 56B may alternatively be communicating to allow the creation of a bridge between the rivets 61, 62, 63, 64 on the one hand, and 65, on the other hand.
  • the rivet bodies 6A, the rivet heads 6B and any bridges remain contained in the interior volume of the receiving cavity 48 and in the volume of the grooves 56A and 56B on the opposite side.
  • the cavity 48 and the grooves 56A and 56B then protect the neighboring wires from friction with the rivets 6i.
  • the housing accommodating the resin passes through the link 2 and the strands 4 in the direction of the transverse axis Z1, it is possible to control the good implementation of the link 2 with respect to each strand 4 and also the proper implementation resin in housing pairs 3i for the formation of rivets 6i homogeneous and with controlled sections.
  • the receiving cavity 48 is formed in the link 2 and the end 44 of the strand 4 is of reduced width and received in this cavity 48.
  • the strand 4 and the link 2 are overlapped in the longitudinal direction and form the housing pairs 3i.
  • FIGS. 12 and 13 show a second embodiment of a guide web 1001 of a warp of a Jacquard loom.
  • the elements of the second embodiment bear the same references as those of the first embodiment, increased by 1000. In the following, the elements of the second embodiment which are similar to those of the first embodiment are not described in detail. .
  • the heald 1001 comprises a one-piece heald body 1010 and provided with two strands 1004 which extend to ends comprising unrepresented means of connection to a harness member of the loom.
  • the one-piece body 1010 comprises an enlarged central portion 1040 and two housings 1046 distributed, in the longitudinal direction X1, on either side of an opening 1043, and which pass through this portion 1040 from one side to the other in the direction of the transverse axis Z1.
  • the arm 1001 also comprises two metal links 1002 which are in longitudinal overlap of the central portion 1040 on each side thereof along the axis Z1, in contact with the central portion 1040.
  • Each link 1002 comprises two housings 1026 which pass therethrough from one side in the direction of the transverse axis Z1 and are arranged on either side of an eyelet 22 along the axis X1.
  • Each of the two housings 1026 of the two links 1002 communicates with a housing 1046 of the strand 1004 and forms with this housing 1046 a housing pair 1003.
  • a single link is in longitudinal overlap of the smooth body 1010.
  • each assembly rivet 1006 has two heads 1006B for holding the links 1002 against the strand 1004 in the direction of the transverse axis Z1.
  • Each rivet 1006 also comprises a rivet body 1006A which extends in the direction Z1 through the links 1002 and the smooth body 1010 and ensures the joining of the links 1002 and the strand 1004 in the directions of the longitudinal axes X1 and lateral Y1 .
  • the rivets 1006 link the links 1002 with the body 1010 about the axes X1, Y1 and Z1.
  • FIGS. 14 to 16 show a third embodiment of a guidewire 2001 of a warp for a jacquard loom.
  • the elements of the third embodiment bear the same references as those of the first embodiment, increased by 2000.
  • the elements of the third embodiment which are similar to those of the first embodiment are not described in detail. .
  • the figure 14 represents the 2002 link and the 2004 strands of the smooth 2001 in preassembled position, before deposition of the resin.
  • the beam 2001 comprises a link 2002 and a body of smooth 2010 having two strands 2004.
  • the link 2002 is symmetrical with respect to a plane of symmetry P S defined as in the first embodiment and comprises at each end 2024 an opening 2029 which cross it from side to side in the direction of the transverse axis Z1, which is open in the direction of the longitudinal axis X1 opposite each strand 2004 and which delimits two branches at each end of the link.
  • the opening 2029 has an edge 2290 on which are formed holes 2028 which pass right through each branch in the direction of the lateral axis Y1 as well as visible on the figure 15 .
  • the link 2002 also comprises a notch 2026 which is through in the direction of the transverse axis Z1 and which opens into the opening 2029.
  • each strand 2004 has two zones 2047 narrowed in width and thickness along the axes Y1 and Z1.
  • the narrowed areas 2047 form surface notches on the ends 2044, both along the side edges 2027 of these ends and on their major faces parallel to the Y1 axis.
  • Each end 2044 also has a notch 2046 formed on the edge of its free end 2052 which passes right through in the direction of the transverse axis Z1 and which is open in the direction of the longitudinal axis X1 facing the housing 2026 of the 2002 link.
  • each strand 2004 is received in one of the two openings 2029.
  • Each zone 2047 of each strand 2004 is in facing relation along the axis Y1 of two holes 2028 of the link 2002 and forms with these holes 2028 two couples of dwellings 20031 and 20032, respectively 20033 and 20034.
  • the two notches 2047 and these four holes 2028 thus form the four couples of dwellings 20031, 20032, 20033 and 20034.
  • the notch 2046 is opposite along the Z1 axis of housing 2026 and they together form a pair of dwellings 20035.
  • an amount of liquid resin is deposited in each pair of housing 2003i and is, once solidified, a rivet member 2006i which extends according to the Y1 axis through the link and through the body.
  • the rivets 20061 to 20064 realize the assembly of the elements 2002 and 2004 in the directions of the longitudinal axes X1 and transverse Z1 as visible on the figure 16 .
  • the resin extends around the strands 2004 in each zone 2047 of reduced thickness in the holes 2028 of the link 2002, as shown in FIG. figure 16 .
  • the assembly rivets 20063 and 20064 are monobloc and connected to one another on either side of the end 2044.
  • the body 6B of the rivet 20063 is integral with the body 6B of the rivet 20064 It is the same for the assembly rivets 20061 and 20062.
  • the rivets 20061 to 20064 provide a connection of the link 2 with the 2004 strand around the axis X1, the axis Y1 and the axis Z1.
  • the assembly rivet 20065 provided in the pair 20035 is configured to form a wedge-shaped resin obstacle with double divergence, acting for the joining of the link 2002 and each strand 2004 along the longitudinal axis X1 and the lateral axis Y1 of the smooth 2001.
  • FIGS 17 to 22 show a fourth embodiment of a guide wire 3001 of a warp yarn for a Jacquard loom.
  • the elements of the fourth embodiment carry the same references as those of the first embodiment, increased by 3000. In the following, the elements of the fourth embodiment which are similar to those of the first embodiment are not described in detail.
  • the smooth 3001 comprises a link 3002 and a smooth body 3010 having two strands 3004.
  • the link 3002 is asymmetrical with respect to a plane P S defined as for the first embodiment.
  • the link 3002 has at each end 3024 two branches 3024A and 3024B arched in opposition.
  • Each branch 3024A, 3024B comprises a housing 3026 traversing the branch from side to side along the axis Z1.
  • the end 3044 of each strand 3004 comprises two cavities 3048 which are formed on two opposite faces of the strand 3004 along the axis Z1, each cavity 3048 having only one lateral edge 3049 and thus opening towards the outside of the strand 3004 laterally along the outside.
  • Y1 axis and longitudinally along the axis X1.
  • Each cavity 3048 comprises along the axis Z1 a bottom 3051.
  • a housing 3046 extends along the axis Z1 and has a rectangular section taken perpendicular to the axis Z1.
  • the housings 3046 are blind, they open into the corresponding cavity and do not cross the funds 3051 along the transverse axis Z1.
  • the branches 3024A and 3024B of the link 3002 are put in place around the ends 3044 of the strands 3004, in the cavities 3048.
  • each housing 3046 of the strand 3004 is vis-à-vis in the direction of the transverse axis Z1 with the corresponding through housing 3026 and together they form two pairs of housing 3003.
  • a quantity of resin is deposited in the four pairs housing 3003 of the smooth 3001 and is, once cured, assembly members 3006 in the form of a rivet.
  • Each assembly rivet 3006 consists of a body extending along the axis Z1, without a rivet head, as visible on the figure 22 and ensures a connection of the link 3002 with each strand 3004 along the longitudinal axis X1 and along the lateral axis Y1, and about the axis X1, the axis Y1 and the axis Z1.
  • the fastening along the transverse axis Z1 is ensured by mechanical locking due to the cooperation of each strand 3004 and arched branches 3024A, 3024B on either side of the end 3044 of each strand 3004.
  • FIGS. 23 to 29 show a fifth embodiment of a guide rail 1 of a Jacquard loom for a loom. Since this embodiment is structurally close to the first embodiment mentioned above, the elements common to these two embodiments have the same references. In the following, the elements of this fifth embodiment which are similar to those of the first embodiment are not described in detail.
  • the link 2 of this embodiment differs from that of the first embodiment in that the edges 27 of the reduced width tabs 24 are devoid of notch 28. In other words, these edges 27 are straight. Furthermore, the central portion 20 of the eyelet 22 is provided, in each transition zone 25 and in the vicinity of each leg 24, with two housings 26 which are aligned along the axis X 2, which pass through the central portion 20 from apart and which are circular section.
  • each strand 4 comprises a cavity 48 which is defined between two side walls 49, a bottom 51 and a ceiling 53 opposite the bottom 51 and which connects the side walls 49.
  • the cavity 48 of this embodiment is not open opposite the bottom 51, along a transverse axis Z4 defined as in the first embodiment.
  • a final portion 52 of the end 44 which extends the bottom 51 in the direction of the longitudinal axis X4 of the strand 4, that is to say in the direction of the longitudinal axis X1 of the stringer 1 in mounted configuration thereof, towards the eyelet 22 of the link 2, is provided with two housings 46C which pass through this final portion 52 from one side and which are also circular section.
  • the cavity 48 of each end 44 receives a lug 24 of the link 2.
  • the two housings 26 formed at one end of the central portion 20 are respectively aligned with the two housings 46C formed in the final portion 52 of the adjacent strand 4.
  • the cavity 48 is formed in a proximal portion of the end 44, that is to say in a portion of this end closer to the middle of the strand 4 than the final portion 52. Furthermore, a distal cavity 48 ' is arranged facing the final portion 52, on a single transverse side of the strand 4, this cavity being defined by the dihedral formed by the face of the final portion 52 visible to the figure 24 and by the beveled edges 50 of the walls 49 which join this face, on both sides of the mouth of the cavity 48. The bottom of the distal cavity 48 'in the direction Z1 is formed by the final portion 52.
  • the cavity 48' has no side wall, that is, that is, it is not delimited by material walls along the lateral axis Y1. This distal cavity 48 'receives, in the mounted configuration of the rail 1, the transition zone 25 of the central portion 20 of the link 2 in which the housings 26 are formed.
  • p48 ' the depth of the cavity 48' measured parallel to the transverse axis Z4 between the end portion 52 and the end of the bevelled edges 50 furthest from the final portion 52.
  • the depth p48 ' is constant along the X1 axis.
  • the depth p48 ' is greater than the thickness e25.
  • the width of the transition portion 25 measured parallel to the lateral axis Y1 of the smooth 1.
  • l54 the width of the free end 54 of the final portion 52 also measured parallel to the axis Y1.
  • the width l54 is less than the width l25 at the same longitudinal level.
  • the final portion 52 has a progressive reduction in width along the lateral axis Y1, towards the free end 54.
  • the transition zone 25 of the link 2 is arranged along the axis X1 in recovery of the final portion 52 at the longitudinal level of the cavity 48 '. This transition zone 25 has a progressive reduction in width along the lateral axis Y1 towards the free end 240 of the link 2.
  • the parts 2 and 4 overlap by the transition zone 25 and the final portion 52.
  • the overlap between the parts 2 and 4 takes place at a single transverse side of each of these parts.
  • the part 2 is in overlap of the part 4 by a single transverse side of the part 2.
  • each of these parts 2 and 4 can be accessed by a transverse side.
  • the ceiling 53 may be pierced with an opening giving access to the interior of the cavity 48, close to the closed end 484 of this cavity, that is to say from its end opposite its mouth. This makes it possible, in particular, to visualize the tab 24 of the link in place in the proximal cavity 48.
  • the cavity 48 is removed in each strand 4, as is the tab 24 at each end of the central portion 20.
  • the overlap between the parts 2 and 4 takes place only at the end portion 52, by engagement of the transition zone 25 of the end of the central portion in the cavity 48 ', with a covering of a single transverse side of each of the rooms 2 and 4.
  • housing torques comparable to the housing torques 31 to 34 of the first embodiment may extend at the level of the closed cavity 48.
  • housings of adapted form are provided in the tabs 24 as well as in the bottom 51 and / or in the ceiling 53 and / or in the side walls 49.
  • the housing of the tabs 24 may be notches, as in the first embodiment, or cross-sectional dwellings such as the housings 26 of the fifth embodiment.
  • the smooth body is preferably made of plastic but alternatively may be metallic.
  • the resin is deposited in the housing couples in a liquid state and then solidified so that, in the solidified state, the resin retains its shape and is able to transmit the connection forces between the link and smooth body.
  • the resin can also be solidly deposited with clearance in the housing, then heated in the housing where it goes in the liquid state to extend into the housing, and then solidified. In the solidified state, depending on the type of resin used, the resin may have a greater or lesser hardness.
  • a resin is a polymer, natural, artificial or synthetic, thermoplastic or thermosetting product, optionally supplemented with a hardener or adjuvants, such as solid reinforcements, for example in the form of fibers.
  • the body of the assembly member formed is composed of a volume of the first housing of the housing pair, a volume of the second housing of the housing pair. as well as a possible volume of communication between these two volumes.
  • a part of the body and / or the head of an assembly member disposed in a first pair of housings can be integral with a body part and / or the head of another assembly member disposed in a second pair of housings which is offset in the longitudinal direction relative to the first pair of housings.
  • each housing is formed recessed from the adjacent lateral edge of the link or smooth body.
  • two housings are in facing relation if they are at least partially opposite one another and communicate with each other before the resin is removed.
  • the projections of the housing outlets of the pair of dwellings facing the other housing of the couple of dwellings on a plane perpendicular to the direction of vis-à- screws overlap at least partially.
  • Trade M is represented at figure 30 with smoothers 1 according to the first embodiment. It can also be equipped with rails 1001, 2001, 3001 and 1 of the other embodiments.
  • the invention is described above in the context of its application on a Jacquard type loom. However, it is applicable to frames for frames and frames.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Installation Of Indoor Wiring (AREA)
  • Prostheses (AREA)
EP15189876.4A 2014-10-16 2015-10-15 Litze für webrahmen, mit einer solchen litze ausgestatteter webrahmen, und herstellungsverfahren einer solchen litze Active EP3009544B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1459958A FR3027313B1 (fr) 2014-10-16 2014-10-16 Lisse pour metier a tisser, metier a tisser equipe d'une telle lisse et procede de fabrication d'une telle lisse

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EP3009544A1 true EP3009544A1 (de) 2016-04-20
EP3009544B1 EP3009544B1 (de) 2021-08-25

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US (1) US9745675B2 (de)
EP (1) EP3009544B1 (de)
JP (1) JP6682230B2 (de)
KR (1) KR102492285B1 (de)
CN (1) CN105525414B (de)
CA (1) CA2908451C (de)
FR (1) FR3027313B1 (de)

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KR20160045027A (ko) * 2014-10-16 2016-04-26 스또불리 리옹 직기용 잉아 및 그러한 잉아를 갖춘 직기
EP3839115A1 (de) 2019-12-20 2021-06-23 Staubli Lyon Litze für webrahmen, und mit dieser litze ausgestattetes webgeschirr

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FR3054246B1 (fr) * 2016-07-25 2018-08-31 Staubli Lyon Lisse pour metier jacquard, son procede de fabrication, et metier a tisser comprenant une telle lisse
CN107841811B (zh) * 2017-10-26 2020-07-10 南通佳立禾机电有限公司 提刀
KR20230050674A (ko) 2021-10-08 2023-04-17 조영찬 안경닦이 일체형 안경
KR20230050721A (ko) 2021-10-08 2023-04-17 김주완 김 서림 방지 온도조절 안경테

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EP1741815B1 (de) 2005-07-06 2014-01-08 Staubli Lyon Device for connecting elements of a shed forming device, the method of making this device and the method of connecting such a device
EP1989346A1 (de) 2006-02-27 2008-11-12 Michel Van de Wiele NV Litze für eine webmaschine, webmaschine mit einer oder mehreren derartigen litzen und verfahren zur herstellung einer derartigen litze
EP1908863A1 (de) 2006-10-06 2008-04-09 Groz-Beckert KG Weblitze für Jacquardwebmaschine
CN201228205Y (zh) 2008-06-26 2009-04-29 卫华集团有限公司 一种起重机龙门钩
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EP3839115A1 (de) 2019-12-20 2021-06-23 Staubli Lyon Litze für webrahmen, und mit dieser litze ausgestattetes webgeschirr
FR3105269A1 (fr) 2019-12-20 2021-06-25 Staubli Lyon Lisse pour métier à tisser et harnais équipé d’une telle lisse

Also Published As

Publication number Publication date
CN105525414A (zh) 2016-04-27
US9745675B2 (en) 2017-08-29
CA2908451C (fr) 2022-09-20
FR3027313B1 (fr) 2016-11-18
KR20160045026A (ko) 2016-04-26
US20160108561A1 (en) 2016-04-21
CA2908451A1 (fr) 2016-04-16
JP6682230B2 (ja) 2020-04-15
CN105525414B (zh) 2019-08-16
FR3027313A1 (fr) 2016-04-22
KR102492285B1 (ko) 2023-01-26
EP3009544B1 (de) 2021-08-25
JP2016079549A (ja) 2016-05-16

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