Abstract: A pulley for installation in a pulley mechanism of a Jacquard machine has a shaft, a housing having two flank bodies, which are provided to fasten the shaft, so that this shaft extends substantially between the flank bodies, and a pulley wheel, which is provided to be arranged between the two flank bodies so as to be directly rotatable around the shaft. The shaft, prior to assembly of the pulley, is provided with cavities and/or projecting portions for the post-assembly axial securement of the flank bodies in both axial directions.

Abstract: The present invention relates to a A coupling device for positioning elements for warp yarns, comprising a male coupling part (1) with a head (8) which, when elastically deformed, can be introduced into a female coupling part (11) via a passage (13) and assumes a larger transverse dimension beyond said passage, so that the head is detained there and the coupling parts (1), (11) are coupled. Beyond this passage (13), the female coupling part (11) comprises an axially displaceable uncoupling body (16) with an opening (17), so that the head can be introduced into this opening (17) and be deformed in the process to such an extent that it can be introduced into the passage (13) in order to uncouple the coupling parts.

Abstract: Different weaving materials, apparatuses, and methods are provided for producing woven textiles having different functional and aesthetic characteristics as compared to woven textiles produced using conventional methods. The different weaving materials comprise reactive materials or combined materials produced by an intermittent splicer. The different apparatuses include finishing devices for introducing organically-shaped lateral edges and interior apertures, and three-dimensional effectors for introducing three-dimensional aspects into a product as it is being woven. Weaving methods include simultaneously weaving fine denier panels and coarse denier panels.

Abstract: A device for hooking a heddle of a weaving loom of the Jacquard type to a harness cord of the loom that includes an endpiece molded on an upper end of the heddle. The endpiece including an aperture for the passage and wedging of the cord and a housing for receiving two strands of the cord. The device also includes a rigid sleeve reciprocally slidably mounted on the endpiece between a first position, in which it allows access to the aperture, and a second position, in which it covers the aperture and exerts a compressive force for constricting the aperture and blocking access to the lower end of the cord. The device may also be used for hooking one or more cords on a string.

Abstract: A member for guiding harness cords of a Jacquard loom harness wherein the member is substantially planar and is provided with holes defining passages for the cords. At least one of these passages extends in a direction that is oblique with respect to a principal plane of the member. This arrangement makes it possible to reduce frictional forces undergone by the harness cords, particularly at the upper and lower edges of the holes.

Abstract: On the one hand, the invention relates to a device for exerting a return force on at least one harness element of the harness of a Jacquard weaving machine, comprising at least one return spring (2) provided with means of attachment (1) for attaching the return spring (2) to retaining means (4) being immovably provided, said means of attachment (1) being provided with a positioning opening (6) for positioning the means of attachment (1) with respect to the retaining means (4), and a fixing opening (7) for fixing the means of attachment (1) to the retaining means (4), a spring connection (8) being provided between the positioning opening (6) and the fixing opening (7), in such a manner that the means of attachment (1) are able to move from positioning opening (6) to the fixing opening (7) with respect to the retaining means (4), but after having been fixed will be unable to move back from the fixing opening (7) to the positioning opening (6) with respect to the retaining means during operation or transport of

Abstract: The invention provides a cord tying-up connecting device including a first component (1) having a groove. One end of first component (1) includes an insertion end for insertion of a heald into the groove, while the other end includes a cam for connection with second component (2). Second component (2) is formed by a hollow body including a bilaterally coincident cam which engages with the cam for first component (1). A third component (3) includes a through-with hole and a shoulder for engagement with second component (2).

Abstract: A first (1) and a second connecting means (2) which may be connected in a detachable manner in order to connect a first and a second cord, more particularly a lifting cord and a harness cord of a Jacquard machine, the first connecting means (1) comprising an elastically deformable coupling element (3) which may be received in a receiving part (4) of the second connecting means and may be retained in axial direction, the second connecting means (2) comprising a passage (5) through which the coupling element (3), compressed in the radial direction, may be moved to the receiving part (4) and the coupling element (3) in the receiving part (4) having the possibility of adopting a larger radial dimension than is necessary to be moved through the passage (5), so that the coupling element (3) snap-fits in the receiving part (4). In the receiving part (4), the coupling element (3), by rotation around the longitudinal axis (A), may be brought into a disengaging position in which it is not retained.

Abstract: In a shed-forming mechanism for weaving loom of Jacquard type in which the position of certain warp yarns of the loom is controlled by means which are themselves controlled by a Jacquard system, there are provided, for at least one warp yarn, means for temporarily connecting this yarn on its position control means. The number or the type of warp yarns to be used is adjusted by cutting a warp yarn and by temporarily connecting it with its position control means, such as a heddle or the harness cord associated therewith.

Abstract: The invention on the one hand relates to a device for attaching and guiding of at least one tackle cord (2) in a Jacquard machine, the device (1) being designed for being attached to a part (20) of the Jacquard machine and being designed for being connected to at least one tackle cord (2), the device (1) being provided with a springy element (15) exercising a pushing force on the device (1) in a direction which is opposite to the tractive force exercised on the device (1) by the tackle cord (2). The invention further relates to a Jacquard machine, which is provided with a fixed, adjustable or movable grid and a number of retaining plates, which are attached to the grid and which are provided for attaching a number of devices according to anyone of the above-mentioned claims.

Abstract: A shedding device for a weaving machine whose heddles are connected to respective return springs and wherein the springs have casings surrounding them. A lip seal on an end of each casing surrounding a rod portion of the heddle forms a hermetic seal against the rod portion to prevent dust and fluff from collecting on the respective spring.

Abstract: In a weaving device, a weaving device frame mounts a plurality of eyelets. A frame module, releasably borne by the weaving device frame is readily detachable from and controls movement of the respective eyelets. The frame module forms a readily removable component of the weaving device.

Abstract: A weaving device is described, having a frame, an eyelet and a module releasably borne by the frame to selectively transmit a motive force to the eyelet. A coupling includes first and second members which are releasably coupled together in force receiving relation and relative to the module. The first member is connected to the eyelet, and the second member is connected to the module. The coupling transmits motive force from the module to the eyelet to move the eyelet selectively relative to the frame. The coupling facilitates removal and replacement of the module from the frame.

Abstract: Springs associated with a harness of a weaving loom of the Jacquard type are connected on a frame of the loom by an assembly of devices each of which includes a plurality of rods each being connectable with a spring and which rods extend from a common base. Each base is provided with hooks adapted to engage with beaks of corresponding shape for mounting each device on at least one elongated section secured to the frame of the loom.

Abstract: A drive transmission assembly for transmitting motive drive between a reciprocating drive member (11) and a driven member (16) in order to move the driven member (16) between first and second limits of reciprocal movement, the assembly including a drive transmission member (20) adapted for connection to the drive member (11) and the driven member (16) in order to transmit said motive drive, a fixed stop member (22) arranged to be located within the path of reciprocal travel of said transmission member (20), the transmission member (20) including a stop (25) for abutment with said stop member (22) in order to define said first or second limit of reciprocal movement for the driven member (16), said transmisson member (20) being adapted to define a vibration isolating connection between said stop (25) and said drive member (11), whilst said stop (25) is in abutment with said stop member (22).

Abstract: A loom harness having upper and lower hardness board, a plurality of harness cords jointly guided for each pattern repetition in the passage holes of the upper harness board and individually guided in the second passage holes of the lower harness board, a row of an arrangement of the harness cords in the upper harness board being applied, in the weft direction, in an identical sequence in harness pattern repetitions in the lower harness board, and with harness cords, which are guided in a passage hole in the upper harness board, being crossed by at least one cord of the harness cord sections guided through an adjacent passage hole in the upper harness board.

Abstract: A jacquard heddle (1) comprising a connecting eye (2) that forms a free passage (3) for a harness cord (5) and a clamping passage (4) in communication with this free passage (3), whereby the harness cord (5) can be clamped in the clamping passage (4) and can be moved out of the free passage (3) to the clamping passage (4). This jacquard heddle (1) preferably also comprises a fixing sleeve (7), such as for example a shrink sleeve, for the clamped enclosure of the connecting eye (2) and of a part of a harness cord (5) passed around through this connecting eye.

Abstract: A solenoid unit for a weaving device is described and which includes a frame; a plurality of eyelets mounted on the frame and individually movable with respect to the frame; a support member releasably coupled to the frame; and a plurality of solenoids mounted on the support member, and wherein each solenoid controls the movement of at least one eyelet.

Abstract: A weaving device is described which includes a frame and an eyelet movably mounted thereto. A solenoid is also mounted to the frame and produces a magnetic field when energized. A latch is mounted on the frame for movement thereon to affect movement of the eyelet. A contact member is rotatably mounted to the latch and is magnetically attracted to the solenoid when energized.

Abstract: A coupling device for the releasable connection of a lifting element, in particular of a jacquard machine, to at least one lifting element of a warp thread in a weaving machine. The preferred coupling device connects a sinker cord of a jacquard machine to a harness cord of the harness of a weaving machine. The coupling device has a first coupling part assigned to the lifting element and a second coupling part assigned to the harness cord. The coupling parts execute a radial relative movement during coupling and uncoupling. The coupling device provides for rotational alignment of the two coupling parts with one another. At least one coupling part is assigned or capable of being assigned a rotational alignment mechanism. The coupling device is used in a system which rapidly connects and disconnects many connectors at the same time.

Abstract: The method for manufacturing jacquard with colored image is disclosed, wherein the basic color printing theory in the printing technical is employed in the weaving of jacquard so that jacquard also has image with different gray levels by the same basic colors. Meanwhile, because of the increase number of the gray levels and the range, jacquard having the effect of colored photograph may be manufactured.

Abstract: A process for mounting a funicular element in a shed forming device of a weaving loom of a Jacquard type wherein at least one end of the funicular element is fixed on a pulley adapted to receive the funicular element and which pulley is driven in rotation by an electrical rotary actuator. A device is provided for removably connecting the funicular element to the actuator.

Abstract: A method and a device for fast setup or retrofit of a weaving machine, from/to which a warping beam and auxiliary shedding mechanism are removed or supplied for a change in warp and/or for a change in article to be woven. A harness is provided for the weaving machine, which is applied or removed as a unit for the setup or retrofit, under loosening and/or closing of connections to a Jacquard machine and also under release or attachment in the region of a low-tension device.

Abstract: A device for connecting a heddle of a weaving loom to a harness cord which includes an endpiece adapted to be molded on an upper end of the heddle and which end piece forms an orifice for receiving one of the harness cords. A sheath is provided for surrounding a harness cord passing through the orifice to thereby provide a structure wherein interference between adjacent heddles is avoided.

Abstract: Connecting devices for assembling the ends of helical springs with respect to other members wherein each connecting device includes at least two elastic branches adapted to frictionally engage with the end coils of a helical spring to thereby prevent the resonance of the spring when it is subjected to extension and compression. The connecting devices are particularly adapted for use for damping springs associated with the heddles in a weaving loom.

Abstract: A collar for selectively connecting and disconnecting twines and harness cords in a jacquard harness mechansim for a weaving loom. The collar includes a socket element having at least one elastically deformable chuck with jaws for engaging a prong of a male element inserted within the socket element. The male element includes a shuttle which is moveable along a rod which extends from the prong to an intermediate portion of the male element which aligns the male element with the socket element. The shuttle separates the jaws of the at least one elastically deformable chuck during relative axial movement of the male element with respect to the socket element to permit the prong of the male element to be inserted into or withdrawn from engagement with the socket element.

Abstract: A coupling device allows for the rapid releasable connection of harness cords to lifting cords on weaving machines. A first coupler is connected to lifting cords and a second coupler is connected to harness cords. An intermediate coupler is removable connected to the first and second couplers. The intermediate coupler allows for quick and easy, manual or automatic, coupling and decoupling of the first and second elements. The second coupling elements and the intermediate elements are adapted so that only the connection therebetween is breakable when pulling forces are exerted thereon.

Abstract: The double roller elements for Jacquard machines are produced as one piece plastic carcasses each comprising a central body (60) with end plates (64, 66) integrally hinged thereto. The body has hollow spindles (88) to receive the rollers, (94) and once the rollers (94) have been placed on the hollow spindles, the plates (64, 66) are hinged to cover the rollers (94) and plugs (90) snap into the spindles (88). The cords can be snapped past the gaps between the outer peripheries of the plates (64, 66) to couple the cords to or uncouple them from the element, without unplugging the plates (64, 66) from the spindles (88).

Abstract: A process for making a loom harness provides for complete prefabrication of a plurality of subassemblies for an entire harness cord assembly as well as enabling the assembly process to move in one direction only rather than two. Each subassembly includes a frame hook, a counterpull element and a heald secured to a flexible harness cord. Connection is made between a bundle of harness cords and a carabiner hook of a Jacquard machine while mails of the healds are maintained at a defined height during an equalization process for insuring the right amount of tautness on each individual harness cord.

Abstract: A seam-weaving machine for the production of a continuous plastics woven fabric by a woven seam with a Jacquard machine (1) for the formation of the weaving shed. The Jacquard machine (1) is arranged underneath the weaving shed (11) and the harness cords (8) are drawn back by tension springs (15) secured above the weaving shed (11). The Jacquard machine (1) is so arranged that the harness cords (8) emerge downwardly from the Jacquard machine and are deflected upwardly through the weaving shed (11) to the tension springs (15).

Abstract: A shed formation apparatus having increased flexibility and speed. The shed formation apparatus is comprised of a plurality of movable heddles which are connected to a plurality of heddle selectors by a first plurality of control leads. The heddle selectors are movably connected to a plurality of heddle selector controllers which include stoppers to retard the movement of the heddle selectors. A second plurality of control leads are attached to the heddle selectors. A repeat pattern output apparatus determines the movement of the second plurality of control leads and the attached heddle selectors, and selectively activates the stoppers.

Abstract: A quick connect coupling for connecting at least one funicular element with respect to the end of a cord, particularly for those of a harness of a weaving loom, to a cord of shed-forming device of the loom, which includes an insert element associated with the cord of the shed-forming device which has at least one crosspiece to which the cord is attached and a bar located below the crosspiece. A clamp is provided for receiving the insert and has two branch elements which are secured to at least one funicular element. The branch elements have hooked free ends which are elastically articulated relative to one another toward the geometrical axis of symmetry of the clamp.

Abstract: A device for assembling a plurality of cords which includes a bushing having a bore which cooperatively receives a clamp. The bushing includes an opening through which adhesive may be introduced after the clamp is inserted within the bore of the bushing to thereby bind the cords which are initially carried by the clamp. The clamp includes two branch elements joined by a crosspiece. Each branch element includes a first outwardly directing hooked end, a second inwardly directed jaw portion and an intermediate outwardly projecting portion. The intermediate portions are yieldably compressible with respect to one another to permit the insertion of the clamp in the bore of the bushing.

Abstract: A shed formation apparatus which has increased flexibility and speed and finds particular application in automated reweaving of the ends of a fabric. The apparatus is generally comprised of a plurality of heddles which will control yarn movement during the shed formation. Each of the heddles has a yarn mail and at least one control lead. Each control lead is under the influence of a controller - stopper mechanism which controls heddle movement and position. The actuation of the stopping mechanism is controlled by a shed formation repeat pattern output device which determines the position of the heddle and the selection of the stopping mechanism in accordance with the repeat pattern.

Abstract: A lifting beam for the shed forming device in a weaving loom which includes a fork joint made in the form of two cheeks or pairs of opposing flanges having aligned openings formed therein through which the stub shaft of two pulleys are rotatably mounted. The pulleys are made of an appropriate plastic material which is overmolded over the metal pins or shafts with opposing grooves provided in the interfaces of the cheeks to facilitate positioning of the pins in the openings.

Abstract: In a weaving system in which the selection of the hooks is effected by rotation of their shanks so as to present their nose elements to the blades of the gripper frames or, on the contrary, to retract them, each hook comprises at its end a flat eyelet which, when it returns into its low rest position, engages in a depression with elliptic inlet in a bottom board and which tends to return it to the correct angular orientation corresponding to this position. In addition, to each eyelet is attached an elastic blade which passes through a slit in a guiding board and which acts in the manner of a return torsion spring to complete the effect of the depression.

Abstract: An arrangement is disclosed for stabilizing and reinforcing the connection between the resilient hold-down control springs and their underlying couplings in a Jacquard loom. The junction between two portions of the spring is strengthened by using a flared-out arrangement beneath an aligning comber board through which the springs pass in a vertical orientation. In this manner, the connected heddle/spring is maintained in a reliable axial position and the spring is able to function in its resilient holding-down capacity by a technique which generates reduced stress at the key point where the spring is retained.

Abstract: An open-shed Jacquard machine comprising multiple harness cords on each side of the layer of warp yarns of a loom, and each cord provided with an eyelet through which a corresponding warp yarn passes, the shed opening system comprising multiple modules each having pulleys respectively receiving in its groove one of the harness cords, harness cord displacement mechanisms on the modules to rotate the pulleys through angles sufficient to lift the cords, the shed opening modules being arranged on the loom in series of spaced rows with their displacement mechanisms facing away from each other and their pulleys facing toward each other, and the rows being progressively offset from each other in directions parallel to the warp yarns.

Abstract: The deflecting elements about which the harness cords move are formed by rollers which are mounted on universal bearings in either of a fixed manner or a free manner. The rollers are obliquely disposed with respect to the shaft on which the rollers are mounted so as to direct the harness cords with a minimum of friction from the paths leading from the control elements of the jacquard boxes into the path leading to the guide bars of the knitting machine.

Abstract: A method and apparatus for connecting harness cords to the heddles which are eventually to be used in a weaving machine. A harness cord is threaded through an upper eyelet of the heddle and is turned back on itself with the connection being fixed by a shrink hose which is shrunk over the eyelet, thereby clamping the harness cord to the upper eyelet. An apparatus is movably mounted on an assembly frame between the various harness assemblages. At each location on the frame, the apparatus holds the free end of the harness cord after it has been threaded through the eyelet on the heddle. A friction brake is utilized to hold the free end of the harness cord while the apparatus effects a tightening of the harness cord and a drawing of the eyelet into the unshrunk shrink hose. A cutting mechanism is provided to sever the harness cord between the eyelet and the friction brake.

Abstract: This relates to a device for exerting a back-pull on the heddles of Jacquard looms. In such looms the upper end of each heddle is connected to a patterning machine and it is necessary that the lower end of the heddle be connected to a pulling device which applies the necessary pull in the opposite direction to return the displaced heddle. Each heddle has permanently connected thereto a piston which is positioned within a cylinder guide with one end of the cylinder guide being open into a chamber wherein a pressure other than atmospheric pressure is maintained and the opposite end of the cylinder guide is open to the atmosphere in a manner wherein each piston and its associated heddle is displaced away from the patterning machine. The pull-back pressure may be varied by varying the pressure within the chamber.

Abstract: The connecting members are each made to receive a lifting wire in snap-fit manner at one end while receiving a knot or widened head of a harness cord or a distribution stirrup at the other end. The connecting members allow the harness cords to be readily connected to a lifting wire. The connecting members each have a clip-like part which may either engage in a recess of the lifting wire or may have a plurality of longitudinally spaced recesses to receive a collar of a lifting wire in one of the recesses. A spring may also be used in the connecting member to effect engagement.