Abstract: The reed employs two spaced apart cylinders with slots in their outer surfaces. The slots extend around the axis of each cylinder a given distance. The slots of each cylinder flare out from each other from one edge to an opposite edge. Dents are supported for movement between the two cylinders and have guides located in the slots of each cylinder. The two cylinders can be rotated together in one direction or in an opposite direction for causing the slots to move the guides and hence the dents apart or together to obtain changes in the width of the fabric along the warp direction. This change in width will cause the warp density to vary along the length of the fabric while maintaining continuous warp yarn. This feature also allows warp strands of different cross-section to be woven.

Abstract: A reed drawing-in apparatus provides a method whereby a warp thread can be properly and smoothly drawn in a respective gap between adjoining dents of even an extremely high-density reed without being cut off during the reed drawing-in operation. A threader apparatus which can stand longer use is also used. The work carrier sequentially stops at a respective gap between adjoining dents of the reed while it moves towards the latitudinal direction of said reed. A gap opener carried on the work carrier temporarily enlarges a target gap and a threader thrusts in the enlarged gap so as to hook a warp thread sorted out from a thread supply section. Thread is drawn into the reed which is provided with a hook part thereon.

Abstract: A method and a device for drawing warp threads into harness elements of a weaving machine through use of a drawing-in member which effects a reciprocating movement and with at least one conveying device for harness elements. In order to increase the capacity of devices of this type, the drawing-in member is constructed to carry out a reciprocating movement which is short compared with the length of the warp threads. This is done by providing a transporting device that transports the warp thread to a point in front of a weaving reed.

Abstract: A method and an apparatus for passing a warp wound around a warp beam through a warp-passing hole of a dropper, a mail of a heald, and a reed eye includes the steps of disposing the warp-passing hole and the mail in a warp conveying passage provided between a warp beam and the reed. A tip portion of the warp is subjected to a vacuum suction and drawn through the warp conveying passage toward the reed. As the warp is drawn through the warp conveying passage, the warp passes through the mail and the warp-passing hole.

Abstract: An automatic reeding apparatus and an automatic reeding method is disclosed which can handle yarns having various diameters required for any of reeds. Prior art problems are avoided by removably attaching a simple structural device to the frame of a reed of a loom. With the apparatus and the method as described herein, a reeding process can be carried out precisely and efficiently without damaging dents and without skipping over any the reed marks into which no yarn is threaded.

Abstract: Reed for textile machines comprising a plurality of vertical dents or teeth (2) each made of a metal sheet with the lower end fastened to a base crosspiece (1), while the upper end of the dents (2) is free and the profile of each dent (2) is shaped to form one or more recesses (3) staggered heightwise between adjacent dents (2).

Abstract: Apparatus for drawing-in warp yarns into the gaps of a weaving reed includes a reed hook (22) for sequentially opening the reed gaps for the insertion of a draw-in member carrying a warp yarn, and a transport system for the stepwise transport of the weaving reed in its longitudinal direction past the reed hook location. The transport system has a first transport member (BW) extending over the length of the weaving reed and coupled to this in the operating state is a gripper-like second transport member (48, 49) for intermittent engagement with the first transport member (BW). As a result of this arrangement, the two functions of reed transport and reed opening are decoupled and can each be optimized independently. This allows the draw-in frequency to be increased. Moreover, the reed hook and reed teeth are given maximum protection.

Abstract: The drawing-in machine has a needle-shaped drawing-in member (7) which is driveable in an oscillating manner and comprises a flexible gripper band (16) which carries a clamping gripper (17) and a channel-like guide (18) for the drawing-in member (7).

Abstract: The apparatus includes magazines (16) for accommodating drop-wire stacks (LA) and transport mechanisms for feeding the drop-wire stacks (LA) to a separating station where the drop wires are singularized. The transport means contain a first path (11) for feeding the full magazines (16) to the separating station and a second path (21) for returning the empty magazines (16) from the separating station. In addition, mechanisms (22, 33) are provided for transferring the empty magazines from the first to the second path. Largely automatic feeding of the warp-thread drawing-in machine with drop wires is made possible by this device.

Abstract: A method and apparatus for carrying out an automatic drawing-in is provided including forming lengths of thread which are double folded. The thread is passed to a corresponding heddle and between corresponding dents of a reed. The threads are leased and placed under tension. Progressively, the various threads which are leased and under tension are moved away from the drawing-in location. Heddles are selected from a plurality of magazines and the heddles are positioned in a drawing-in attitude. The reed is positioned and the dents are spread for passage of the various threads. The warp threads are passed by moving the drawn-in heddles directly from the associated magazines to a heddle frame of a corresponding set of heddle frames. The heddles are always retained in a guide.

Abstract: The technical field of the present invention relates to an apparatus for automatically threading a warp through the eye of a heddle. In a conventional automatic warp threading apparatus, a drawing-in needle equipped with a hook is delivered out through the eye and is pulled back after hooking the warp so as to thread the warp through the eye. For this reason, the eye is likely to be damaged and a defect is likely to occur during weaving. The automatic warp threading apparatus of the present invention warp threading apparatus of the present invention clamps the warp (Y) with finger members (18, 18') disposed on a thread feeder (5) and a jet nozzle (20) fitted to the finger members (18, 18') ejects a gas so as to thread the clamped warp (Y) through the eye. Accordingly, the eye is not damaged and weaving can be made advantageously.

Abstract: A thread drawing-in head for a drawing device in which at least two heads, each having a warp thread guide passage, are disposed in series such that the passages can align in series, to clamp a heald therebetween in such a manner that a hole of the heald is aligned with the passages.

Abstract: A feed method of feeding a thread wound on a bobbin to a thread drawing-in apparatus through first and second suction nozzles, comprising the steps of: advancing the thread to a first position between the bobbin and the first suction nozzle, along an axis; gripping the advanced thread at the first position and then drawing the thread at the first position in a predetermined direction substantially perpendicular to the axis of a first predetermined length; gripping the drawn thread at a second position between the bobbin and the first position and also releasing the drawn thread at the first position, and then feeding the drawn thread to the thread drawing-in apparatus; gripping the fede thread at a third position between the second suction nozzle and the thread drawing-in apparatus and also releasing the thread at the first and second positions, and then drawing the thread at the third position in the predetermined direction by a second predetermined length; and cutting the thread that has been drawn by the s

Abstract: A small portable drawing-in machine is disclosed for suspension on the top of a loom reed and for movement along the lengths of the reed. A drive screw on the machine meshes with the reed dents to control the position of the machine on the reed, and a threading hook is projectable through the spaces between reed dents to draw warp yarns therethrough. A set of drive screws of different pitches may be replaceably mounted in the machine to give the machine a capability for use on reeds of different pitch.The threading hook is reciprocably mounted on a rotatable turntable that is coupled through suitable gearing to the drive for the drive screw so that a machine cycle includes a movement of the threading hook to carry a warp yarn through a space between reed dents, a rotary movement through 360.degree.

Abstract: The drawing device inserts a warp into a heald hole of a heald and between reed dents of a reed. The device comprises an air guide including an air passage having an entrance and an exit, an air stream generating mechanism operationally connected with the air passage for generating an air stream running from the entrance toward the exit in the air passage, a heald feeding and moving mechanism for feeding one heald just in front of the entrance of the air passage and for arranging the heald so that the heald hold of the heald may be opposite to the entrance, and a warp feeding mechanism for feeding and arranging a warp just in front of the heald hole of the heald arranged just in front of the entrance of the air passage.

Abstract: Here is disclosed an apparatus for successive drawing-in of warp through repsective reed blade gaps of a reed in the automatic loom, comprising a nozzle disposed above the reed which is movable transversely of the reed blades and extended from an upper portion to a bottom side thereof by a warp end feeding slit having its upper opening serving as a warp end inlet, its lower opening serving as a warp end outlet and its front opening narrower than the interior of the warp feeding slit itself; and the nozzle is further provided therein with an air injection port adapted to inject a stream of pressurized air downwardly into the warp end feeding slit substantially in the form of a parallel-flow and thereby to produce an air stream flowing from the warp end inlet towards the warp end outlet under an ejector effect.

Abstract: The apparatus comprises a slide (1) with a sley hook (5) reciprocally movable transversely to the slide path which after each step of the slide is automatically advanced into a reed space of the harness (4) disposed parallel to the slide path and is withdrawn after hooking in the warp thread. The step length of the slide (1) is exactly identical to the individual reed spacing which is optically sensed by a television camera (12) and is measured respectively calculated by an electronic equpment (16, 17, 18, 19). This continuous touchfree measurement of the reed spacing enables a faultless reading even on finest reeds, without the disadvantages of a mechanical sensing of the harness.

Abstract: A reed opener assembly for spreading the dents of a reed to permit entry of a needle therebetween during a warp drawing operation has a reed opener blade, a reed opener body and means to retain the reed opener blade and reed opener body in cooperative relationship such that the blade and body combine to form a cam surface for successively engaging and spreading adjacent dents of a reed.