Abstract: Method of tying an upper thread to a lower thread by means of a device having a splicing chamber formed with an elongated slot for laying-in and tying the threads, including mutually tying the threads by splicing with compressed air acting thereon from a side, moving a thread regulator from a thread take-up location to a thread delivery location for laying-in the threads into the elongated slot of the splicing chamber, automatically severing the ends of the upper and the lower threads, blowing compressed air into the splicing chamber, and sucking in and firmly holding each newly formed shorter thread end by means of an air current, which comprises producing the air current for sucking-in and firmly holding the thread ends as a suction air current by means of an injector to which compressed air is admitted, and guiding the suction air current simultaneously in an approximately helical path, and a device for carrying out the method.

Abstract: Method for controlling a thread joining process which takes place by starting a rotor in an open end rotor spinning machine, which includes beginning pre-feeding of a fiber quantity into the rotor which is required for thread joining, and subsequently controlling the pre-feeding speed after the chosen draft for the following spinning operation, and an apparatus for carrying out the method.

Abstract: A device for collecting ejected wound, partially wound, or empty spools at the working stations of an automatic spool winding machine, includes a device guided along the working stations for horizontally transporting the spools; at least two laterally spaced apart mounting devices disposed in vicinity of the transporting device; at least one spool removal device mounted to one of the mounting devices, the spool removal device including a spool diverting device downstream of the transporting device for receiving the spools, a spool lifting device for lifting the spools from the diverting device, and a spool collecting container for receiving the spools from the lifting device; and a device for transmitting force from the transporting device for driving the spool lifting device.

Abstract: A method of increasing the hairiness and bulkiness of a thread, in an open-end rotor spinning machine having a deflection ring disposed concentric to the axis of rotation of the rotor, includes forming a false twist in the thread with the deflection ring, continuously withdrawing the thread through the deflection ring substantially along the direction of the axis of rotation of the rotor, dissolving the false twist in the thread, forming a thread balloon with the thread, bringing the thread in contact with a multiplicity of separately disposed balloon disturbance elements, and changing the diameter of the thread balloon several times during each revolution of the thread balloon, and a device for carrying out the method.

Abstract: Cop preparation plant, including a device for locating, drawing off and cutting to length thread ends of a spinning cop, a device disposed down stream of the locating, drawing off and cutting device in travel direction of the cops, for separating spinning cops having thread ends of a substandard length from other spinning cops, and a device disposed down stream of the separating device for retracting the separated cops into another cop separating device connected in series with the cop preparation plant.

Abstract: Bobbin separating unit, including a first charging device, a second charging device downstream of the first charging device in flow direction of the bobbins, a first separating device, and a second separating device downstream of the first separating device, and a device for controlling the bobbin delivery rate of the first charging and separating devices in dependence on the bobbin content of the second charging and separating devices.

Abstract: A method for metering and injecting small amounts of fluid into the splicing air of a splicing head of a compressed gas thread splicing device including a metering valve having a piston with a metering chamber formed therein, the metering chamber having a given volume determining the amount of fluid to be injected, the piston being slideable between a loading position and an injecting position of the metering chamber, a circulating fluid circuit connected to the piston, and a compressed gas circuit connected from the piston to the splicing head, which includes connecting the metering chamber to the circulating fluid circuit in the loading position before splicing, moving the piston from the loading position to the injecting position, and subsequently bringing the metering chamber in contact with a compressed gas current in the compressed gas circuit flowing into the splicing head as splicing air at the moment the fluid is to be injected for splicing, and a device for carrying out the method.

Abstract: Holding frame for a package beam of a heavy winding machine, including a right side frame and a left side frame. Each of the side frames is formed of a pair of flat sheet steel plates, with tension resistant and compression resistant spacer members interposed between each pair of plates. Each pair of plates is bolted together with the spacer member therebetween. First carriers formed of steel penetrate the plates at connection locations and rigidly connect the side frames to each other. A beam receiving device is disposed at least at one of the side frames. A second carrier with a tubular shape penetrates the pair of plates of the at least one side frame at connection locations and supports the beam receiving device. Detachable force transmission devices are disposed between the plates and at least one of the carriers at least at one of the connection locations.

Abstract: Method for the knot-free connection of two threads formed of textile fibers of limited length having at least one twisted fiber strand, including a splicing device for mutually tangling, intermixing and intertwining individual fibers of the two threads, which includes inserting the two threads coming from opposite sides into the splicing device, trimming the end of each thread to a predetermined distance from the splicing device, vibrating, loosening, combing and separating the thread ends into individual fibers, cleaning and spreading apart each thread end by blowing compressed air into the splicing device obliquely to the longitudinal direction of the individual fibers and by beating, pulling and tearing with mechanical and pneumatic stresses in direction toward the thread ends, withdrawing the prepared thread ends from opposite sides up to the splicing device, tangling, mixing and hooking the individual fibers of the two thread ends to each other to form a splice connecting the threads after setting the sp

Abstract: Creel, including a stationary supporting frame, at least one yarn tension holding element and at least one thread guiding element supported by the stationary supporting frame, bobbin holding assemblies disposed in vicinity of the stationary supporting frame, a plurality of bobbin holding elements carried on each of the bobbin holding assemblies, drive rollers connected to the bobbin holder assemblies for supporting the assemblies on a floor, a separate hood-shaped sliding frame connected to each of the assemblies, and a separate upper cover plate disposed on each of the sliding frames covering the drive rollers and part of the floor for preventing accidents and dust accumulation.

Abstract: A method for open-end spinning, in an apparatus having a stationary fiber-collecting groove formed therein with two ends and a bottom, includes continuously carrying and transporting fibers into the stationary fiber-collecting groove with an airstream, continuously venting the bottom of the groove, withdrawing the fibers from one end of the groove, and continuously uniting the fibers to form a thread, and an apparatus for carrying out the method.

Abstract: A double-sided textile machine, includes a plurality of spool assemblies for producing cross wound bobbins, a spool collecting station at an end of the machine, a first spool transport belt disposed at one side of the machine for receiving cross wound bobbins from at least one of the spool assemblies and for transporting the bobbins toward the spool collecting station in a given transporting direction with the bobbins axially aligned in the given transporting direction, a second spool transport belt disposed at the other side of the machine for receiving cross wound bobbins from at least one of the spool assemblies and for transporting the bobbins in a direction opposite the given transporting direction, and a device for successively receiving the cross wound bobbins from the second spool transport belt, for turning the bobbins through substantially 180.degree. and for transferring the bobbins to the first spool transport belt.

Abstract: Spinning rotor for an open-end spinning machine including a rotational body having a hollow interior, the body being formed of steel and having thereon a surface layer formed of at least one of the compounds iron carbide, iron boride, iron silicide and iron nitride at least at locations of the hollow interior thereof at which the spinning rotor comes into contact with spinning fibers being spun into a thread, the steel body with the surface layer thereon being tempered and having increased ductility at high elastic limits, and a method of manufacturing a spinning rotor.

Abstract: Make-ready device for making a first thread end ready for connection to a second thread end in a thread joining device, the make-ready device having a hollow body open at opposite ends thereof for receiving the first thread therein and traversible by a gas flow, includes at least one compressed gas guiding device for guiding the gas flow so as to at least partly stretch, parallelize and clean the fibers of the first thread in the hollow body, the compressed gas guiding device serving to control at least one of the nature and the direction of the compressed gas flow to the first thread end inside the hollow body, the compressed gas guiding device having a branch line connected to a compressed gas supply line and being continuously adjustably tappable with respect to at least the one of the nature and the direction of the compressed gas flow.

Abstract: Device for the partial straightening and parallelizing of fibers of a thread or thread end, including a turbine being drivable by compressed gas, the turbine including a rotor being accessible from outside the turbine, the rotor having a central opening formed therein being coaxial with the axis of rotation of the rotor for receiving a thread or thread end.

Abstract: Method for controlling a thread joining process taking place by starting a rotor in an open end rotor spinning machine, which comprises beginning unwinding of the thread, subsequently controlling the thread unwinding speed in accordance with the rotor speed, and controlling at least one of the sliver drawing-in speed and the fiber feeding speed in accordance with the thread unwinding speed, and an apparatus for carrying out the method.

Abstract: A compressed gas splicing head assembly in an automatic splicing device for producing a knot-free thread connection by splicing, includes a compressed gas splicing head having a splicing channel with two ends formed therein defining a plane of symmetry in longitudinal direction of the splicing channel, the splicing head having outlets for the splicing channel formed therein, and the splicing head having at least two compressed gas injection openings formed therein discharging in said splicing channel mutually opposite and offset to the left and right of the plane of symmetry for holding and mutually tangling, bunching, swirling and winding fibers of two threads to be interconnected, said injection openings including an injection opening disposed closest to a given portion of each respective outlet, and thread and air guides each disposed at a respective one of the ends of the splicing channel, each of the guides obstructing a respective one of the given portions of the outlets, and the threads being disposed

Abstract: A method for manufacturing a thread, includes introducing fibers into a rotor having a fiber collecting groove, combining the fibers in the collecting groove into a fiber ring gradually converting into a thread, conducting the thread in a given travel direction through a pneumatic twisting device discharging a quantity of air, bringing the thread in contact with an air stream in the pneumatic twisting device which rotates around the longitudinal axis of the thread against the given travel direction of the thread, conducting fibers loosened from the thread back into the rotor with at least part of the quantity of air discharging from the pneumatic twisting device, drawing off the twisted thread leaving the pneumatic twisting device, and conducting the twisted thread to a thread collecting device, and a device for carrying out the method.

Abstract: Thread splicing device, including a stationary base body having a first compressed-air canal formed therein, a splicing head being interchangeably connected to the base body, the splicing head having a second compressed-air canal formed therein being in communication with the first compressed-air canal formed in the base body, the splicing head having a plurality of air discharge nozzles formed therein being in communication with the second compressed-air canal formed in the splicing head, and the splicing head having a splicing chamber formed therein being in communication with the air discharge nozzles formed in the splicing head, the splicing chamber including a selectively coverable longitudinal slot for inserting and joining threads.

Abstract: Method of producing a knot-free thread connection by splicing, which includes mixing, alternately interlocking and anchoring individual fibers of the threads to be joined to each other in a first pre-splicing operation, and subsequently further and finally intertwining and anchoring the threads to each other in a separate finish-splicing operation, and an apparatus for carrying out the method.