Abstract: The invention relates to a cleaning device for a yarn forming element of an air-spinning nozzle, to a spinning position of an air-spinning machine and to a method for cleaning a yarn forming element of this type. In order to provide a spinning position of an air-spinning machine and a method for cleaning a yarn forming element of an air-spinning machine which allow long and trouble-free operation with constant quality and strength of the yarn produced, it is provided that the cleaning device has a cleaning strip and a storage unit for providing and retracting the cleaning strip, a fixed end of the cleaning strip being fastened to the storage unit, and a free end of the cleaning strip being able to be provided for cleaning and retracted again after the cleaning. Furthermore, the cleaning device has a cleaning strip guide for feeding the free end of the cleaning strip to the yarn forming element of the air-spinning nozzle for mechanical cleaning.

Abstract: Systems and methods for forming a tubular braid are disclosed herein. A braiding system configured in accordance with embodiments of the present technology can include, for example, an upper drive unit, a lower drive unit, a mandrel coaxial with the upper and lower drive units, and a plurality of tubes extending between the upper drive unit and the lower drive unit. Each tube can be configured to receive individual filaments for forming the tubular braid, and the upper drive unit and the lower drive unit can act against the tubes in synchronization to cross the filaments over and under one another to form the tubular braid on the mandrel.

Abstract: Yarns include one or more strands, each strand including an outer twisted with a continuous or substantially continuous core, the outer including coarse wool fibres. The coarse wool has average fibre diameter greater than 26 microns. The yarn may be worsted or semi-worsted. Fabrics and/or garments may be produced from the yarn.

Abstract: A method for making a braided medical device may involve positioning an insert inside a braided material, processing the braided material to form the braided medical device, dissolving and/or crushing the insert into multiple pieces, and removing the multiple pieces from the braided medical device. In some embodiments, the insert is made of gypsum. A braided medical device for occluding a defect in a heart may include a right disc for residing in a right side of the heart, a left disc having a partially circular shape for residing in a left side of the heart, and a waist extending between the right disc and the left disc and having a smaller diameter than that of either the right disc or the left disc.

Abstract: A screw feeder includes: a case that includes a material putting-in portion through which a fluff material is put in and a material putting-out portion through which the fluff material is put out below the material putting-in portion; and a screw that includes a rotational shaft and a blade portion, the rotational shaft being provided rotatably inside the case, the blade portion being spirally mounted on the rotational shaft; wherein the screw is rotated with repeated alternation of a slope-down direction in which the blade portion slopes downward spirally in a vertical direction and a slope-up direction in which the blade portion slopes upward spirally in the vertical direction.

Abstract: The invention relates to a system of spinning yarn that comprises a filament feed system configured to vary the tension applied to at least two continuous filaments before the filaments are introduced to a roving and twisted to form a yarn. The invention allows the filaments to be introduced to the roving when under tension, under no tension, or when under slack at set distances from the roving centre line by a specialized two filament guide.

Abstract: A machine knittable hybrid yarn for providing conductive traces through a textile is disclosed. The hybrid yarn includes conductive wires coated with an insulating material and twisted together with a nonconductive yarn. The nonconductive yarn is from a strong, inelastic, and nonconductive fiber, such as a meta-aramid or para-aramid that protects the integrity of the conductive wire during knitting. The conductive wire can be copper-clad stainless steel or copper wire is coated with polyurethane, and the nonconductive yarn can have no-drip and no-drip properties to allow ablation of the hybrid yarn to remove the conductive yarn and insulating coating on the wire such that the ablated region becomes externally conductive and suitable for making an electrical contact. The hybrid yarn can be bonded with nylon or similar polymer after twisting.

Abstract: The present invention addresses the problem of providing a twisted cord of liquid-crystal polyester multifilaments which gives various high-order processed products capable of retaining desired product shapes and which is suitable for use in general industrial material applications such as high-strength ropes, slings, and nets. The twisted cord of liquid-crystal polyester multifilaments has a coefficient of variation in longitudinal-direction cord diameter, X, of less than 30%.

Abstract: Methods of braiding using a braiding mechanism are described. The braiding mechanism includes a disc defining a plane and a circumferential edge, a mandrel extending from a center of the disc that is adapted to hold a plurality of filaments extending radially from the mandrel toward the circumferential edge of the disc, a plurality of catch mechanisms positioned circumferentially around the edge of the disc, a plurality of actuators adapted to move the plurality of catch mechanisms in a substantially radial direction relative to the circumferential edge of the disc, and a plurality of filaments extending radially from the mandrel towards circumferential edge of the disc. A middle portion of each filament of the plurality of filaments contacts an end of the mandrel.

Abstract: A carrier for supporting a yarn to be used by a braiding machine, has: a spool carrying the yarn; a motor drivingly engaged to the spool; at least one sensor for producing data about a condition of the yarn in the spool; and a controller operatively connected to the motor and to the at least one sensor, the controller having a processor and a computer-readable medium operatively connected to the processor and having instructions stored thereon executable by the processor for: receiving said data from the at least one sensor; determining operation parameters of the motor based on the received data; and operating the motor per the determined operation parameters to create the desired tension in the yarn.

Abstract: The present invention provides a nonwoven fabric recycling apparatus and a nonwoven fabric recycling method using same, the apparatus including: a mixing tank in which pulverized waste nonwoven fabric bodies and a filler are dispersed in water and mixed with each other to form a waste nonwoven fabric mixture; a fixing agent addition part for supplying a fixing agent for aggregating the pulverized waste nonwoven fabric bodies and the filler to the nonwoven fabric mixture to form a recycling raw material; and a filter tank in which the recycling raw material supplied thereto is received so that a recycling sheet is formed.

Abstract: A triaxially hybrid braid reinforcement material for polymer matrix composites. The braid includes hybrid tows, which include at least one carbon fiber tow commingled with carbon nanotube yarns to introduce toughness to the hybrid tows. The hybrid tows may be arranged in any and all of the braiding directions. The braid may also include carbon fiber tows, which can be arranged in the axial direction or other braiding directions not occupied by the hybrid tows. The braid is infiltrated with resin, which is impregnated into the braid and cured, to form the toughened polymer matrix composite.

Abstract: A baler implement a tag installer operable to attach an RFID identification tag to a bale. A reader is positioned to interrogate the identification tag for receiving data from the identification tag. The reader is operable to emit an interrogation signal for interrogating the identification tag in accordance with a pre-defined timing sequence. The reader emits the interrogation signal regardless of a position of the bale in the baling chamber or on the baler implement. As such, the interrogation signal is emitted based on the pre-defined timing sequence. The pre-defined timing sequence may include a repeated on/off interrogation sequence, or continuously scanning interrogation sequence.

Abstract: Disclosed is a needle-pass paper cord (200) made of paper. The paper cord is formed by means of weaving yarn (201) made of paper, and the yarn has a cross-section that is similar to a circle formed of a thread folded to a point.

Abstract: A Brunnian link is a link formed from a closed loop doubled over itself to capture another closed loop to form a chain. The example kit provides for the successful creation of unique wearable articles using Brunnian link assembly techniques and includes several pin bars that are supported in a desired special orientation by at least one base. The desired special orientation is dependent on the desired linked configuration of the completed article. The pins may be assembled in various combination and orientations to provide endless variation of completed link orientations.

Abstract: An article of manufacture making system for making an article of manufacture containing a plurality of dry solid additives, such as fibers, that utilizes a dry solid additive delivery system including one or more dry solid additive inlets, one or more dry solid additive outlets and one or more prime movers.

Abstract: A method of constructing a plugging device can include incorporating multiple filaments into the plugging device, and coating each individual filament with a swellable material. A plugging device for use in a subterranean well can include a body comprising multiple filaments, and a swellable material on each of the individual filaments. A system can include a plugging device conveyed by fluid flow into engagement with an opening, whereby the plugging device blocks flow through the opening. The plugging device can include multiple filaments, each of the multiple filaments being coated with a swellable material. The swellable material may seal against a surface of the opening.

Abstract: A ghillie suit manufacturing apparatus includes: a camouflage yarn feeding unit adapted to continuously feed camouflage yarns having different colors required for camouflage by a given distance from the left side to the right side and from the right side to the left side; a knotting unit adapted to tie the camouflage yarns fed from the camouflage yarn feeding unit on both side end portions of the camouflage yarns to form knots on both left and right sides of the camouflage yarns, while having given distances between the knots; and a cutting unit adapted to cut given portions of the camouflage yarns located between the knots formed on both left and right sides of the camouflage yarns by means of the knotting unit.

Abstract: A hybrid yarn, and associated system and method of making, are provided wherein a first continuous yarn is formed as a multi-filament yarn and a second continuous yarn is formed as a crimped yarn consisting of thermoplastic fibers in a parallel thread sheet. The parallel thread sheet has a plurality of crimped continuous threads next to one another in one plane. The continuous threads are formed from as a collection of a plurality of continuous filaments.

Abstract: A braiding apparatus for forming braided tubing comprises a braiding wheel and a plurality of bobbins. The plurality of bobbins are configured to move circumferentially around the braiding wheel. Each bobbin includes a spool, a first pulley assembly, and a second pulley assembly. The spool is configured to hold a tow formed from a braiding material. The first pulley assembly is coupled to the spool at a first distance from the spool. The first pulley assembly is configured to facilitate passing the tow over a pulley of the first pulley assembly. The second pulley assembly is coupled to the spool at a second distance that is less than the first distance. The second pulley assembly is configured to facilitate receiving the tow from the first pulley assembly and passing the tow over a pulley of the second pulley assembly and towards a section of the braiding apparatus at which a plurality of tows come together to form the braided tubing.