Abstract: This invention is a device for unwinding and guiding yarn from a feed bobbin located in a feed box. The device has an arm which is rotated by the tension of the unwinding yarn. More specifically, this invention is a device for unwinding and guiding yarn which has first unwinder arm rotating around the bobbin rotatably connected to a pivot positioned above the spindle head, and a second unwinder arm rotatably connected to the spindle for producing twisted yarn. The first unwinder arm is supported by a frame which is connected to the box containing the two superposed bobbins so as to allow the second unwinder arm to rotate within the rotatable trajectory of the first arm.

Abstract: A spindle rotor is adapted (1) for use in a spindle of a textile thread processing machine, such as a two-for-one twister, in which the running thread being processed passes through an axially and radially extending thread passageway in the spindle and formed a rotating balloon around the spindle and includes means for supplying a flow of thread conditioning medium, fibrous material or other medium adapted to flow in a generally axial direction through the spindle and (2) to receive, guide and enhance the flow while performing the thread processing functions. The spindle rotor includes a hub member for rotatably mounting the spindle rotor in the machine spindle, a plurality of spaced-apart guide blades attached to the hub member and extending radially outwardly therefrom in a spoke-like manner for receiving the thread conditioning medium, and a radially extending thread passageway through the hub and one of the guide blades for receiving the running thread being processed.

Abstract: In the case of a process for producing a twisted yarn from slivers that are drawn to the desired size and subsequently are prestrengthened by means of pneumatic false twisting, it is provided that the fiber ends in the form of helixes are wound around the core with such a steep slope that, during the twisting, the fiber ends that were previously wound around the core are wound off the core as much as possible.

Abstract: An open-end rotor spinning apparatus is provided which includes a spinning rotor element for forming yarn including an open side. A cover element is provided for covering the open side of the spinning rotor element. A projection element is disposed at the cover element and projects into the side of the spinning rotor element. A fiber feeding duct is disposed in the projection element. A yarn withdrawal duct is also disposed in the projection element and provides a pathway for formed yarn being withdrawn from the spinning rotor element. A yarn withdrawal nozzle element projects from the yarn withdrawal duct element into the spinning rotor element open side. Holding elements are provided other than the yarn withdrawal duct element which hold the yarn withdrawal nozzle element on the projection element.

Abstract: The invention solves the problem of ejecting impurities out of a cleaning aperture in the fiber separating device of an open-end rotor spinning unit, particularly when there are various contaminations of fibrous slivers and of different kinds of textile fibers being processed. For this purpose an air flow regulator is provided in the separating device in an air supply duct communicating with the cleaning aperture. According to the invention, the air flow regulator is provided with an air directing wall near the outlet of the air supply duct and thus directs air flow into the cleaning aperture toward the fiber opening cylinder.

Abstract: The belt type false twister, in which a pair of pulleys with two travelling endless belts entrained thereabout are mounted fixedly, and in a position off the fiber nipping point of one endless belt there is disposed a roller for urging the said one endless belt toward the other endless belt, a linear travelling portion of the one endless belt being bent and allowed to come close to the other endless belt by the said roller to nip fibers between the closely adjacent belt portions.

Abstract: A thread comprising plural carbon fiber strands having a first twist of 80 turns/m or more and plied and twisted to give a final twist of 50 turns/m or more in the direction reverse to the first twist. The thread has a fineness of 3000 denier or less and a knot strength of 1.0 g/denier or more, and the single fibers of the carbon fiber strands constituting the thread each have a fineness of 0.7 denier or less and a loop breaking strain of 2.5% or more.

Abstract: A method and apparatus for automatically adjusting the tensile force ratio between axially moving outer and inner threads of cabled yarn during manufacture of such yarn in a cabling machine in which the actual tensile force ratio is measured in the region of the thread guide eye of the cabling machine, such measured tensile force ratio is compared with a desired tensile force ratio and the thread guide eye of the cabling machine is axially adjusted to provide a desired height of the thread balloon in the yarn cabling machine to provide a desired outer and inner thread tensile force ratio. Suitable apparatus, preferably in the form of a hand held instrument is provided for automatically performing such adjustment of the tensile force ratio.

Abstract: A textile apparatus is disclosed wherein a cylindrical package of strand material is mounted on an elongated hollow spindle and the strand material is withdrawn from the package and through the hollow spindle for further processing. A flyer arm is mounted on an extremity of the spindle for rotation thereabout with the arm extending radially outwardly of the spindle to overlie the outer circumference of the package. An adjustable strand tensioning device is mounted on the flyer adjacent the longitudinal axis of the spindle and longitudinally spaced from the end of the spindle and within an envelope defined by the path of movement of the strand material as it is guided by the flyer arm from the package into the hollow spindle.

Abstract: In the manufacture of friction spinning drums, in order to be able to select the size of the holes or perforations, on the one hand, to oppose technological fiber loss and jamming of sucked in foreign particles and, on the other hand, to provide airflow advantages, it is proposed to manufacture the friction spinning drum from a thick-walled support and a thin-walled perforated body. As a result, holes or perforations having a sufficiently small cross-section to counteract the above-mentioned fiber loss can be formed in the thin-walled perforated body. On the other hand, holes or perforations having a large enough cross-section to prevent jamming of sucked in foreign particles or other contaminants can be provided in the thick-walled support.

Abstract: A device for switching off and switching on the operation of a spindle of a textile twisting or spinning machine having a rumming thread is provided which includes the following elements. A pneumatic switching device is adapted to be operatively connected to a spindle stop mechanism of the textile machine for actuation and de-actuation thereof. A movable running thread sensor device is held in a first normal operating position by the running thread in the textile machine and moves to a second switching position upon breakage of the running thread. A movable breaking sensor device is adapted to be operatively connected to a spindle breaking mechanism of the textile machine for moving between a first position during normal operation of the spindle to a second position upon actuation of the spindle breaking mechanism after thread breakage.

Abstract: An arrangement for mounting a suction tube on a fly frame, roving frame, ring spinning machine or the like for collecting broken ends of yarn at the outlet rollers of the machine. The suction tube has a suction end and an opposite end connected through a flexible sealing sleeve to a collection chamber, with the sleeve permitting the suction tube to pivot between different positions. A mounting rod is secured to and extends between the stanchions of the machine frame intermediate the collection chamber and the outlet rollers, and a support arrangement is mounted on the rod and includes a retaining mechanism for positioning the suction tube and releasably retaining it in an operative position in which the suction end is proximal the outlet rollers and an inoperative position in which the suction end is spaced from the outlet rollers. In one embodiment the suction tube is pivotally mounted on one arm of the support and releasably retained in a slot in another arm of the support.

Abstract: For piecing to a spinning device operating with a pneumatic torsion element, yarn is fed back through the torsion element into a readiness position alongside a drafting mechanism, while the roving is stopped before the end of the drafting zone. The roving is then released, whereby the forward roving end which is leaving the drafting mechanism, and which typically is rendered unsuitable for piecing due to stoppage of the roving, is sucked off. When a roving segment which remained in the drafting mechanism during the prior roving stoppage has been taken away, the roving and the yarn end are brought together and are simultaneously fed to the torsion element so as to be combined. To carry out this process, the drafting mechanism preferably includes before the end of its drafting zone at least one roving stopping device which may be controllable with feedback from a yarn monitor located adjacent the path of yarn being conveyed to a yarn take-up mechanism, such as a bobbin.

Abstract: Bobbins spun in a ring spinning machine are conveyed sequentially to a measuring, counting and sorting device located between the ring spinning machine and an automatic winder that winds yarn from the bobbins. The measuring, counting and sorting device senses the presence of a bobbin, counts the bobbins being sensed, senses yarn and bobbin characteristics and compares the characteristics with predetermined standards. The device separates bobbins whose characteristics differ from the standard. Data regarding the operation of the spinning machine and operation of the winding machine are combined with the data obtained by the measuring, counting and sorting device and statistically evaluated for display or for controlling the production of the spinning machine and winding machine or for controlling conveyance of the packages from the winding machine.

Abstract: A disposable, corn dispensing device comprising a rigid, shatterproof plastic housing defining an internal cord holding cavity of substantially cylindrical shape. A spool having two circular flange portions connected by a stem portion is provided to be received within the cylindrical cavity of the housing and to freely rotate therein. The spool is retained within the cavity, and a predetermined length of high strength, small diameter test cord is machine-wound in dense-packed fashion thereon. An end of the cord passes through the housing and is accessible for use.

Abstract: A bobbin transporting system includes a spinning bobbin transporting path and an empty bobbin transporting path both provided between a spinning frame and a winder, and a spinning bobbin reservoir path is formed intermittently of the spinning bobbin transporting path between the spinning frame and winder for temporarily reserving thereon all of spinning bobbins on a transport band which have been doffed by the spinning frame.

Abstract: In an open-end rotor spinning device having a rotatable spinning rotor and a coaxial yarn withdrawal navel mounted in a rotor cover, a tubular twist choking member is removably mounted rotatably in general airtight relation to the cover at an angle with respect to the rotor axis with a yarn withdrawal tube affixed coaxially to the twist choking member. A curved passageway extends longitudinally through the twist choking member with plural obliquely-arranged yarn deflection elements constricting the convex side of the passageway. The twist choking member and the yarn withdrawal tube may be selectivey positioned rotatably as a unit to achieve a desired effect on spinning stability and yarn quality.

Abstract: A skein of yarn is drawn through a protective tube prefabricated of a woven, tubular textile fabric and is connected in order to form an endless sling. The protective tube is formed of two length sections. These length sections, which are of approximately the same length, are pushed together only slightly during the manufacturing process. In this pushed-together form, they surround the upper reach and the lower reach of the drive formed during drawing in of the skein of yarn by the strands of yarn which are placed around the wheel discs of the manufacturing apparatus.

Abstract: A method and apparatus for exchanging exhausted roving bobbins for full packaged roving bobbins applied to a conventional ring spinning frame provided with at least one roving supply rail arranged at a position in front of the spinning frame, at each side thereof, wherein a unit operation for exchanging exhausted roving bobbins suspended by front and back bobbin hangers, facing each other on a creel, for full packaged roving bobbins previously carried to the predetermined supply positions thereof on this supply rail, is carried out stepwisely from one side to the other side of the spinning frame along the creel, with regard to each pair of front and back bobbin hangers on the creel to which such a unit operation is to be applied, by utilizing only two pegs for temporarily supporting roving bobbins capable of changing the axial distance thereof between an axial distance (b) between the front and back bobbin hangers, facing each other on the creel, and an axial distance (a) between two adjacent bobbin hangers o

Abstract: An apparatus for transporting roving bobbins (Y) along a transportation rail (5) arranged between a spinning process (3) and a roving process (1), comprising bobbin carriages (11), each having a plurality of bobbin hangers (13) for suspendingly holding roving bobbins (Y) and movably supported by the transportation rail (5); a driving device (18) for intermittently displacing the bobbin carriage (11); and a roving stripper (35) arranged midway of the transportation rail (5) for clearing off a residual roving on the roving bobbin (Y) during the transportation of the carriage (11).