Abstract: A device for the feeding and opening of a fiber sliver for an open-end spinning device, having a feeder roll, a pressure roll interacting with the feeder roll and an opening roll. The device includes a tray with two guide walls guiding the fiber sliver between the pressure roll and the opening roll and laterally between themselves. The pressure roll is mounted in the feeding tray which has a supporting surface between the feeding roll and the opening roll, to support the fiber sliver and which is delimited by the guide walls. The opening roll is driven in the same direction of rotation as the feeder roll.

Abstract: A radio-frequency reflective surface is made of a fabric woven from a yarn having an effective coefficient of thermal expansion of substantially zero over a useful temperature range. The yarn comprises a metallic filament around which non-metallic rovings are wound. The coefficients of thermal expansion of the filament and the roving material are related to each other so that mechanical strain thermally induced in the filament by changes in temperature is counteracted by mechanical strain theremally induced in the rovings. Intermodulation products at yarn intersections of the fabric are substantially zero.

Abstract: A method and apparatus for flamme fancy yarn manufacture for textile production of various number of effects along the length and in a given length of ready-made yarn, irrespective of the length of the fibres of the inlet product both from short staple and long staple material as the flamme fancy yarn is obtained by simultaneous feeding of two slivers with one and the same staple fibres length, as one of the slivers may not be subjected to a permanent force in the draft zone, it may be drawn normally without breaking to be used for the formation of a core thread. The apparatus for achieving the method has the advantage of an easy readjustable construction, and the ability to change the range of products without replacement of the performing elements.

Abstract: In a cable reel including a fixed member having an outer ring wall, a movable member having an inner ring wall and rotatably mounted to the fixed member in such a manner that a space is defined between the outer ring wall and the inner ring wall, a flexible cable received in the space under a wound condition with a plurality of turns and having opposite ends fixed to the fixed member and the movable member and extending outside, so as to effect electrical connection between the fixed member and the movable member; the improvement comprises a presser member provided in the space for elastically pressing the flexible cable with the plurality of turns from inner and outer circumferential surfaces thereof.

Abstract: Disclosed is a method for making a reinforcing element for use in asbestos-free friction materials. According to the method, heterogenous strands are joined together, without twisting them, and subjected to a fluid jet and to a rubber compounding material. At least one of the strands is fed to the multiplying stage at an overfeed rate.

Abstract: A device which automatically distributes new sliver to spinning machines. The device includes movable units which run in a track along parallel banks of spinning machines stopping at the machines which need to be refilled. Generally, these units transport full cans of sliver from a storage facility to the specific empty spinning machine where the units feed the silver into the spinning machine by placing the end of the sliver into a feed conduit. The units then transport the empty can to a facility where it can be refilled.

Abstract: A core/wrap yarn is formed on a conventional ring-spinning yarn system by including a gripper nip immediately downstream from and closely adjacent to the front roller nip of the system; feeding a core strand and at least one wrap stand on each side of the core strand from the front roller nip to the gripper nip, wherein the wrap strands are spaced from the core strand at the front roller nip and converge with the core strand in the gripper nip to wrap around the core strand in the gripper nip so as to form wrapped yarn which then is passed through a ring traveler on to the wind-up system.

Abstract: A twist number setting device for a two-for-one twister constituted such that an output power shaft of a drive motor is connected to a drive pulley which is connected to a spindle and provides a turning force to the spindle and also connected to a rotary shaft of a drum which contacts with a winding package and provides a turning force to the package, and a speed change means is interposed between the output power shaft of the drive motor and the rotary shaft of the drum.

Abstract: The apparatus includes a plurality of movable support members that are arranged side-by-side and collectively form a quadratic carrier surface, such as a cylindrical carrier surface. A plurality of fiber strand carrier members are movable on the carrier surface to intertwine the fiber strands. Each fiber strand extends from its carrier member along an axis that intersects the axes of the other fiber strands at a generally common consolidation point near a fiber gathering device that gathers the fiber strands from the carrier members. The carrier members are generally equidistant from the fiber consolidation point as a result of moving on the quadratic carrier surface so that the gathering device can maintain a generally constant tension in the fiber strands regardless of their position on the carrier surface.

Abstract: An anti-ballooning can having the form of an enclosure surrounding the yarn winding over its entire height, characterized in that the enclosure has a cylindrical portion against which the ballooning yarn comes to rub over the entire height as it moves past, and which is extended by a likewise cylindrical zone which has a larger diameter and of which the end near the base of the winding is frustoconical in shape, its shorter section having a diameter slightly smaller than the diameter of the zone in contact with the balloon.

Abstract: In an arrangement for interrupting the operation of an individual drafting frame at a spinning machine, devices are provided for reducing the contact of a sliver with the bottom rollers and particularly for lifting the sliver off the bottom rollers which are operative when the pressure rollers are lifted off the bottom rollers.

Abstract: Method and device for the reeling of a web. The web is reeled by supporting an outer circumference of the roll being formed with at least two supporting units. A first such unit in a direction of arrival of the web is a carrier roll provided with a mechanical rotating drive over which the web is passed to reeling. The carrier roll forms a reeling nip supporting the roll from below. A press roll is situated above the roll being formed so that the roll being wound is stably maintained in reeling position. The roll is wound about a core in a nip support between the carrier roll, a belt roll, and the upper press roll. When the roll is wound and increased, the reeling continues the nip support by the carrier roll and the upper press roll, and additionally, on a belt supporting zone situated as a direct extension of the support zone of the belt roll.

Abstract: Spun yarns and fabrics having a high level of both abrasion and cut-resistance are disclosed. Such yarns are made from a blend of about 40-60 percent para-aramid fiber, about 20-40 percent nylon fiber, and about 10-30 percent acrylic fiber. The yarns and fabrics are particularly useful in making articles of clothing such as socks.

Abstract: For performing a start spinning operation in a friction spinning apparatus, upon starting or recommencing spinning of a yarn after yarn breakage, there are accomplished the following steps: fibers opened in a fiber sliver opening device are delivered by a fiber infeed duct to a rotating friction spinning drum and twisted into a twisted fiber structure or coil. When the coil has reached a substantially predeterminate diameter it is entrained by an air jet delivered by a blowing duct into a yarn entraining nozzle which deflects the coil and the yarn following the coil, before they reach the rotating yarn drawn-off rolls, axially of the yarn draw-off rolls, into a yarn guide duct. A suction device is located at the outlet of the yarn guide duct such that a negative pressure is produced therein for taking up the air from an injector part of the yarn entraining nozzle and the coil and the yarn following the coil and supplying such to the suction device.

Abstract: A ship-shaped video-tape rewinder having an outward shape like a steamer, a sailboat, a ferry-boat, etc. The mechanical components for rewinding are arranged on the floorboards and a tape case is provided in the deck, the case being raised up or down for placing in or taking out a video tape by pressing a push button set on the front deck.

Abstract: A method of monitoring yarn quality in a yarn texturing process comprises measuring the velocity of the travelling yarn at two locations and comparing the measured velocities. At a first location the yarn tension is sufficient to draw out the crimp and at a second location the tension is lower such that the crimp is developed. Apparatus for performing this method comprises a measuring device to measure the peripheral speed of a driving roller which is part of a nip-feed device serving to feed a crimped yarn at the first location from a false twist device to a second heater of a false twist texturing machine. At the second location between the second heater and a third feed device of the machine is a second velocity measuring device which comprises an inlet tube, an outlet tube and two discs of brass which form spaced measuring stations spaced by an insulating body.

Abstract: An apparatus for supporting a stop member of a stop motion device of a textile ring spinning machine is provided. The apparatus includes a carriage having a cam portion for removably receiving and manipulating the projecting cam follower portion of the stop member, a device for reciprocating the carriage and a device for releasably positioning the carriage on the reciprocating device in a predetermined position. The carriage is disengagable from the positioning device for movement therefrom sufficiently to permit removal and replacement of the stop member from the carriage and is reengagable with the positioning device for positioning the carriage in its predetermined position. Preferably, the carriage and the positioning device each includes cooperatively configured portions for releasable interengagement with one another to position the carriage in its predetermined position.

Abstract: The method involves braiding a plurality of fiber bundles, each comprising a reinforcing fiber overwrapped by a plurality of glass or metal matrix-forming fibers, to form a 3D braided preform having stuffer fiber bundles extending longitudinally therethrough and heating the preform at a temperature and applying pressure to form the matrix-forming fibers into a bonded matrix in which the reinforcing fibers are disposed in a 3D braided pattern and in a longitudinal (stuffer) pattern.

Abstract: Very high strength cords are made and described which are composed of a core and a sheath of twisted yarns plied around the core in such a way that the cord exhibits greatly improved retained strength after use.

Abstract: An electromagnetic drag pad, particularly for providing all the drag force needed where slit ferrous strip is to be coiled at a coiling station, comprises a panel of drag friction material covering pole faces of an electromagnet which magnetically attracts the moving ferrous strip into frictional engagement with the panel of drag friction material thereby establishing a back tension to permit satisfactory formation of a stable coil of each strip at a coiling station; the electromagnet has a core comprising a multiplicity of elongated spaced apart substantially parallel pole elements defining therebetween gaps which accommodate an electric winding which is connected to a power supply (such as a low voltage DC high amperage supply) for energizing the electromagnet, the pole elements having respective pole faces which provide an alternating array of north and south poles.