Abstract: An apparatus for replacing a cop in an automated weaving machine is provided. A single, multi-joint robot is situated near the cop replacing position of a shuttle which is reciprocated between warps. A hand stand is provided for supporting first through third hands which can be detachably mounted on the robot arm. The first hand is provided with fingers for individually handling the new cop and the new weft. The second hand includes fingers for handling the old cop and the old weft. The third hand is provided with a suction pad for engaging the shuttle with vacuum suction when transferring the shuttle, and with a hook for raising and lowering the bobbin fitted on a tong of the shuttle. The three hands allow various work steps to be carried out each in an optimum fashion without requiring additional hands to be carried by the robot arm at the same time.

Abstract: An automatic cop changing device for a weaving machine in which a shuttle carrying a cop consisting of a bobbin around which a weft is wound is reciprocated between warps so as to weave the weft between the warps, comprising: a cop positioning unit for securing the shuttle stationary near a terminal point of its reciprocating movement when the weft of a current cop mounted on the shuttle is consumed by more than a precribed amount; a cop storage unit for storing a plurlaity of new cops; a robot arm carrying a weft gripping hand for drawing the weft from the current cop and a weft from one of the new cops stored in the cop storage unit, and crossing the two wefts, a cop engaging hand for moving the cop in the shuttle between its upright position and its retracted position, and a cop gripping hand for removing the old cop from the shuttle and carrying the new cop into the shuttle; a weft tying unit for tying the crossed part of the wefts; and a weft trimming unit for trimming an extraneous part of the tied weft

Abstract: A thread-tying apparatus for use in a shuttle loom. The thread tying apparatus includes a grasping claw (122), pressing lever (124), small claw (126), large claw (127), gripping claw (129) and thread tightener (125a). The grasping claws (122) grasp the threads at two locations and rotate the threads so as to form a loop therein which cross at a point. The pressing lever (124) then hooks the crossing point of the threads such that the small claw (126) can grasp the threads at a position offset from the grasping claw (122). Thereafter, the large claw (126) pushes down a portion of the thread such that gripping claw (129) can grab the portion of the thread and pull the thread through the loop which is thereafter tightened by the thread tightener (125a).

Abstract: An automatic cop replacing apparatus for a shuttle-type loom with which a cop contained in the shuttle is automatically replaced, including tying the threads together of the old and new cops, and requiring no operator intervention. The apparatus includes a hand for gripping the cop, a rotary arm plate on which the hand is mounted, a drive device for rotating the rotary arm plate and for linearly moving the rotary arm plate in the axial direction with respect, thereto and a drive shaft for moving the rotary arm plate to an exchange position for the cop. A thread tying device holds and ties together the threads of the old and new cops.

Abstract: To introduce weft threads (31) or picks of finite length into a storage shuttle (1), the shuttle is formed with a longitudinal recess (4) which is divided into two chambers (11, 12) by a longitudinally extending separating wall (8) leaving a gap (10) between the bottom edge of the separating wall and the bottom wall (6) of the recess (4). Bristles or hairs extend preferably from both sides of the separating wall (8) towards the opposite wall (5, 5') defining the recess (4). A weft thread injector (2) is positioned to engage into the first chamber (11) to pneumatically inject the weft thread into the first chamber, to be retained in undulating or zig-zag pattern in the first chamber. Air is deflected by 180.degree. around the gap (10) and exhausted at an exhaust opening (14) leading from the second chamber (12). Preferably, a thread brake (19) is located at the trailing end of the shuttle, in the direction of relative movement between the shuttle and the injector to clamp the end of the injected weft thread.

Abstract: A weaving machine has a continuous line of heddles 9 defining a shed and undulating means 8 for traversing the shed along the line as a wave 12, 13 and moving a weft-inserting means 15 in synchronism therewith from the inlet 17 to the outlet 18 ends of the line. The inserting means 15 are traversed from the outlet to the inlet ends by means (e.g. a driven chain 26) which carries them through loading stations 25 where they receive sufficient thread for one weft pass.

Abstract: A travelling wave shedding loom has a plurality of devices for winding and loading shuttle bobbins. One such device is provided for each shuttle, and the respective devices move with their associated shuttles around a continuous path within the loom.

Abstract: In the proposed apparatus for winding a weft thread onto spools of carriers, there is provided a disk rotatable in the horizontal plane on which are mounted constantly meshed satellite gears and winding members rotated by these satellite gears which engage, in a zone of winding of the weft thread, a stationary toothed sector arranged coaxially with the rotatable disk. In addition, provided in the apparatus are also a device for retaining the winding members in a preset position after the satellite gears disengage from the toothed sector and a device for gradual starting of the winding members and for stopping them in a predetermined position which precludes impacts and breakage of teeth at the engagement of the satellite gears with the toothed sector. This arrangement makes it possible to increase the speed of winding of the weft thread onto the spools of the carriers and to wind a required amount of the weft thread onto the spools of the carriers.

Abstract: Apparatus for feeding yarn, sliver or fibrous materials wound on stationary supply packages to a texile machine, comprising a plurality of movable material transporting elements and a plurality of movable material laying-in elements for feeding the materials from the supply packages to the textile machine, endless tracks defining working and return sections for said transporting elements and working and return regions for said laying-in elements, said transporting elements and said laying-in elements running in series on said endless tracks, and entwining of the materials during successive runs of said elements on said tracks is avoided by at least one deflection element by means of which the materials are fed via said transporting elements to said laying-in elements, during successive runs thereof through the working region, alternately from one and another side of a surface laid through the working region of said laying-in elements and the return section of said transporting elements.

Abstract: A travelling-wave loom is provided with a pair of endless chains which respectively carry a plurality of weft inserters and a plurality of winding units for feeding weft threads from associated bobbins to the weft inserters. The chain carrying the winding unit is formed from a plurality of spaced rigid carrier members interconnected by standard links. Each carrier member has a groove for removably receiving the winding head, and when in position a spring-loaded pawl affixed to the carrier member releasably secures the winding head in the groove of such carrier member. Such chain also carries transversely spaced sets of rollers which are individually supported on opposite sides of an oval guide rail. One of the roller sets is spring-loaded to maintain the carrier member in firm contact with the guide surfaces.

Abstract: The present invention covers an apparatus for selecting shuttles having weft windings therein of different filling yarn types for preprogrammed weft insertions on a wave-type or corrugated shed loom.

Abstract: The present device covers the winding of bobbins with filling threads, which are to be introduced in a weaving shuttle into the shed of a loom, the device having a receiving station, a winding station, and a delivery station.

Abstract: A device for the filling of filling yarn bobbins on the shuttles of a traveling wave loom which has continuously rotating a conveying chain to move the shuttles having empty bobins thereon from the outlet edge to the inlet edge of the fabric during weaving, the shuttles being guided between slide rails with each bobbin provided with a small toothed wheel that meshes with a large toothed wheel to bring about the rotation of the bobbin for winding thereon a filling yarn.