Abstract: Pipe cleaners comprising a plurality of short pieces of threads as active elements are formed in machines arranged in pairs. Threads are wound in helices around two rigid wires, which are advanced adjacent and parallel to each other and each belong to a different one of the machines of the pair. The turns of the helices are severed between the wires in such a way that two pieces of thread are formed of each turn. Half of the thread pieces are secured to each wire by approaching one additional wire to each of the firstmentioned wires and twisting the wires pairwise for clamping the thread pieces between the wires of each pair and for forming two pipe cleaner strings, which are subsequently cut into individual pipe cleaners.The common parts of the machines of a pair comprise thread bobbins, thread winding means, thread severing means and means for guiding the thread helices forming wires.

Abstract: This invention is directed to an improved apparatus in which a fluid jet texturing device is used to produce a composite novelty yarn having slubs of selectively varied size distributed with selectively varied spacing along the linear length of the yarn. The apparatus includes at least two feed rolls to serve to feed yarn to the texturing jet, one of said rolls being operable to feed yarn at a higher speed than the other roll or rolls. An actuator arm is provided having an idler roll at one end. The first yarn is directed into contact with a slower feed roll while a second yarn is directed into contact with the idler roll. The actuator arm is selectively moved so as to first press the second yarn against the relatively fast roll and then press this yarn into contact with a slower feed roll to thereby vary the speed at which the second yarn is fed into the texturing jet.

Abstract: A method and apparatus for piecing up a broken entwined yarn being produced on a machine from a bundle of spinning fibers and a binding thread. The bundle of spinning fibers are fed through a pair of delivery rollers into a rotating hollow spindle. The binding thread is carried on a bobbin that is, in turn, carried on the hollow spindle for being wrapped around the bundle of fibers as it passes through the hollow spindle producing an entwined yarn. Upon breaking of the entwined yarn the bundle of spinning fibers is deflected between the delivery rollers and the hollow spindle out of its normal path by a stream of suction air. An end of the entwined yarn is drawn off of a takeup bobbin and fed back through the hollow spindle and is united with an end of the binding thread. The ends of the binding thread and the entwined yarn are then twisted together with the bundle of spinning fibers and the production of the yarn is re-initiated.

Abstract: A cable for the reinforcement of plastic and elastic articles, such as conveyor belts and the like, is provided which includes a plurality of metal strands which are twisted to form a cable and a non-metallic insert which is disposed between the surfaces of the strands which oppose each other so as to prevent the strands from contacting each other, while leaving the surfaces of the strands which define the outside diameter of the cable exposed. A method and device for producing the cable is also provided.

Abstract: A balanced elastic yarn includes an elastomeric core twisted in one direction and a single cover strand helically wrapped about the elastic core in a direction opposite to the twist direction of the elastic core. After a predetermined twist has been inserted in the elastic core, the core is tensioned with the elongation being positively controlled between spaced points intermediate the yarn take up and the elastic core supply and a high number of wraps per inch of the cover strand are helically wound about the elongated core while the core draft or stretch is positively controlled. The elastic core take-up package is subjected to heat to relieve the stresses in the cover strand resulting in a balanced elastic yarn in the relax state.

Abstract: A method and apparatus for the entanglement of a first strand and a moving second strand are disclosed. A member having a passageway therethrough for the passage of the second strand is adapted for the circumferential positioning of the first strand. Means are provided for repositioning the first strand from the member into circumferential entanglement with the second strand by reducing the circumference of the member.

Abstract: A nubby yarn comprising at least one textured core yarn and one separately textured effect yarn is disclosed wherein the effect yarn is periodically wrapped helically around the core yarn and then helically wound over the first helix in the same direction of wind. A process for the manufacture of the nubby yarn is also disclosed.

Abstract: A high speed rigid-type strander includes a main shaft or body mounted for rotation about its longitudinal axis with the core wire advanced through the strander substantially along its axis of rotation. Bobbin supporting members are fixedly mounted externally on the shaft or body for rotation therewith and for mounting the bobbins in positions displaced from the axis of rotation. The bobbins are mounted with their longitudinal axes oriented at substantial angles from the axis of rotation of the shaft or body, and preferably at an angle substantially normal thereto. The bobbins can be mounted to either fly-off the wire in a generally radially outward direction or in a generally radially inward direction with the bobbins stationary about their longitudinal axes. A strander of the above general type is also described which can be used in either a fly-off mode of operation or in a traditional pay-off mode wherein the bobbins rotate about their own axes.

Abstract: A slide fastener and method and apparatus for making the same are disclosed wherein coils of filamentary material are secured to adjacent edges of a pair of carrier tapes. Each coil of filamentary material is formed from a filament having a specially shaped cross section which is arranged in a mirror image relationship with respect to its adjacent filamentary coil. During formation of the filamentary coils, they are simultaneously wound on a mandrel having differently shaped surfaces which aid in the final shaping of each coil.

Abstract: The present invention refers to a method of forming cables whether or not all metallic, flexible armored tubes, armored electrical conductors and the like which consists of applying heat to the wires which will form the armor before they are placed around the core and in some cases to all the subsequent layers of a cable having a multiplicity of layers.

Abstract: Disclosed is a high speed binding device wherein a package wound with a binding thread is fixed to a flange of a flyer with its thread-winding axis in parallel with the rotation axis of said flyer and the binding thread is drawn out in the direction of the winding axis; and thereafter said binding thread is passed through a first tensioner for imparting to the binding thread a back tension decreased with a rise in the rotation speed of the flyer and then through a second tensioner for imparting to the binding thread a back tension increased with a rise in said rotation speed, thereby to cause said decrease in the back tension to be offset by said increase in the back tension, thus to bind, with a substantially constant back tension, the binding thread about the outer periphery of an element assembly passing through a through hole coaxially bored through the flyer.

Abstract: A method for manufacturing a textured yarn from an artificial multi-filament yarn consisting of a plurality of continuous mono-filaments, by folding up the mono-filaments in multiple layers and entwining them by genuine twists to form a textured yarn which has the appearance, touch and texture resembling a spun yarn. The process is made up of the steps of spreading into individual filaments a continuous multi-filament yarn of artificial fiber, passing part or all of the spread-out filaments onto the periphery of a rapidly-rotating spindle of a conical or cylindrical shape, assembling the filaments around the spindle in the form of a sleeve constituted by thin filament layers, and continuously withdrawing the sleeve from the spindle at a speed which is lower than the feed speed of the multi-filament yarn, the sleeve being withdrawn either in a straight forward direction along the spindle axis or in a backward direction through an axially-extending passage in the spindle after being everted at the nose thereof.

Abstract: A machine for manufacturing cables by stranding individual wires, comprising: a pay-out apparatus having four pay-out reels and fixed supports therefor; a stranding apparatus situated after the pay-out apparatus and comprising a forming die receiving the individual wires; a take-up apparatus having a take-up reel, a support for the take-up reel, and a cable-puller for pulling the cable through the die at a predetermined speed; and further comprising wire-tensioning devices disposed between each of the pay-out reel supports and the die, each of the wire-tensioning devices comprising a guide member for one of the wires, disposed at a fixed location and coaxial with a respective one of the reels, a zone situated before the guide member for non-guided passage of a portion of the wire from the reel to the guide member, a motor for driving each of the pay-out reels at a variable speed of rotation, the speed being sufficient to cause the portion of wire to assume the form of a loop under the effect of centrifugal fo

Abstract: A cable stranding apparatus wherein back tension on wires drawn from spools thereof and helically wound around a central core is controlled by positive drive means controlling the speed of rotation of each spool about its own axis in a controlled proportion to the speed of rotation of the central shaft of such apparatus about its axis. This controlling of the speed of rotation of each spool about its axis is varied during operation of the apparatus in response to means sensing the back tension on at least one of the spool wires. As a result, the back tension on the wire from the spool controls the speed of spool rotation, and thus frees the wire from the effects of frictional problems at high speeds, and from the effects of variations of outer diameter of the wire on the spool as the wire is progressively unwound from the spool.