Abstract: A textile jet subassembly includes a textile jet or jet nozzle mounted on a base support. An upper impact plate and a lower insert plate form the yarn channel passing through the jet or jet nozzle. A jet interface and a threading slot communicate with the yarn channel and the sidewalls above and below the threading slot are coplanar to form a smooth surface. Multiple alignment or registration recesses and cooperating pin fasteners are spaced from the yarn channel on the same side of the yarn channel to properly align the side walls above and below the threading slot.

Abstract: A spinning nozzle for an air-jet spinning machine has a base body with an internal turbulence chamber, an inlet opening for the fiber sliver which enters the turbulence chamber and a fiber guide channel for guiding the fiber sliver entering the inlet opening. A thread-forming element extends at least partially into the turbulence chamber and has an inlet mouth as well as an adjoining take-off channel for the thread in the transport direction. Air nozzles are directed into the turbulence chamber. The spinning nozzle has an extension piece that is releasably fixed to the base body in the region of the inlet opening, wherein the fiber guide channel adjoining the inlet opening is formed at least partially by a channel section of the extension piece.

Abstract: A device treats a thread with compressed air. To this end, the device has an intermingling device which is encapsulated in a housing with respect to the environment. For thread guidance, the housing has a thread inlet and an opposite thread outlet. In order to prevent direct transmission of noise through the thread inlet and the thread outlet, the thread inlet and/or the thread outlet is formed in each case by two separate opening slots in quick succession and a thread guiding member between the opening slots.

Abstract: A texturizer is a base which provides a plurality of inlets directed to stations internal to the base. Each of the stations communicate internal to housings which have inserts therein. Receivers in the inserts receive air from the stations and direct the air towards distal ends of the housings through slots. Prior to reaching the distal ends of the inserts, passages through the inserts direct air to an internal bore in the insert and proximally out the insert bore. The insert bore extends all the way through the insert and through the housing so that yarn is pulled through the housing and crimped preferably at an impingement point in the insert.

Abstract: A yarn treatment jet is provided having a venturi member with a venturi shaped bore, and an inlet member with a yarn passage therethrough located in the mouth of the bore, in which the inlet member is in contact with the mouth of the bore to locate the inlet member positively relative to the venturi member and is configured to provide a passage for air into the venturi bore between the inlet member and the venturi member. The inlet member may be formed of a core and a needle so that to change the configuration of the air passage only the core need be changed. The air passage is formed by one or more grooves or bores in the inlet member or core.

Abstract: A method and apparatus for continuously cleaning a yarn moving through the device. A first scouring body has a yarn entrance and a yarn exit connected by a central cavity. Pressurized fluid is introduced through the yarn while the yarn is positioned within and moving through the central cavity.

Abstract: A method and apparatus for steam-treating yarn, films, fibers, fiber tow and other polymeric articles is described. The apparatus includes a first orifice for generating minimum pressure areas and a second orifice to provide a sonic shock region operative to isolate the pressure in one chamber from the pressure in another chamber.

Abstract: A method of air jet texturing is described wherein the intensity of texturing is proposed to be increased in that an air flow exceeding Mach 2 is obtained by the design of the nozzle duct. The total opening angle of the nozzle duct (11) directly in front of the texturing zone is designed to be greater than the ideal Laval angle with an effective length which is preferably a multiple of the smallest diameter of the nozzle. This predominantly improves the quality of texturing, quite particularly at higher production rates. These can be increased into the range of 600 to 1000 m/min and higher. It has surprisingly been found that the novel nozzle core (10) can be designed so that it has all advantages of the novel invention and can be used as a substitute for prior art nozzle cores. The same applies to the complete texturing head as the novel invention can be used within the same geometric external dimensions, the same air pressure and the same quantity of air.

Abstract: An expanding device for expanding strand material into a wool-type product includes outer and internal nozzle sections. The outer nozzle section has an entrance portion, an intermediate portion and an exit portion. At least a portion of the internal nozzle section is adapted to be received in the outer nozzle section. It includes a main body portion and a needle portion extending from the main body portion. The main body and needle portions include a first inner passage through which strand material passes to be expanded into a wool-type product. The needle and main body portions define with inner surfaces of the entrance and intermediate portions of the outer nozzle section an inner chamber. The main body portion has at least two bores extending through the main body portion which receive gas supplied by a gas stream source. The at least two bores communicate with the inner chamber and define a path for gas to travel to the inner chamber.

Abstract: An apparatus for stuffer box crimping synthetic filament yarns is disclosed, which includes an air nozzle for pulling in and advancing multi-filament yarns at a high speed, and a downstream stuffer box in which the gaseous transport fluid is separated and the yarn is compressed to a compact yarn plug. To increase the production speed and production reliability, the speed at which the yarn is advanced through the air nozzle, and the yarn tension which is produced by the air nozzle is increased. This occurs in accordance with the invention in that the duct for the common advance of the yarn and the transport fluid is configured such that the flow duct narrows in the shape of a nozzle in a first segment down to a restriction at which the outflowing transport fluid reaches the speed of sound, and the duct then widens in a second segment at a small angle of opening.

Abstract: A main nozzle for an air jet loom has an outer casing and is provided with a compressed air introduction duct and a mixing chamber. A mixer tube provided with an annular distributor ring is inserted into the outer casing to form with the outer casing and annular distribution chamber upstream of the distributor ring and, downstream of the distributor ring, and annular accceleration chamber which feeds into the mixing chamber. The distributor ring has annularly arranged blowing slots. The acceleration chamber is formed by an outer conical wall provided on a portion of the inside of the outer casing and an inner conical wall provided on a portion of the mixing tube. The tapered walls of the annular acceleration chamber optimize the air jet used for inserting the weft into the shed. The inclination of the taper of the outer wall of the nozzle annular acceleration chamber is 12.degree.-16.degree., and that of the inner wall is 4.degree.-8.degree.. In the preferred embodiment, the taper of the outer wall is 15.

Abstract: In a system for air-jet texturing yarn a yarn treating jet is modified to locate a baffle at the outlet end of the jet. The baffle is positioned a fixed distance from the central axis of the jet and away from the outlet end of the jet such that the yarn follows the surface of the baffle to a point where the yarn leaves the baffle to pass back through the air stream exiting the jet to eliminate partially textured yarn that normally forms when stopping the system.

Abstract: A nozzle device for processing of synthetic yarns for intermingling or texturization. The nozzle device has a housing with an inlet end and an outlet end. The inlet end is located upstream in relation to the outlet end. An inner nozzle member is provided and has a conical outer wall portion and an essentially axial passage. An outer nozzle member is provided and has a conical inner wall portion. Both inner and outer nozzle members are kept in position within the housing. The conical outer wall section of the inner nozzle member and the inner wall portion of the outer nozzle member together form an outwardly conical gap having an upper or upstream end and a lower or downstream end. Inlet conduits or ducts are provided for passing a fluid into the housing and into a region thereof adjacent the upper end of the conical gap. The conical gap is defined by a generally annular cross-sectional area in any radial plane between the upper and the lower end of the gap.

Abstract: Moresque or berber continuous filament yarn is prepared by supplying a first group of continuous filaments to a first entangling zone where harsh nodes are created so that the first group has a yarn harshness of at least about 200. One or more other groups of continuous filaments, which are differentially precolored or dyeable with respect to the first group, are joined to the first group and interlaced sufficiently to cohere all groups of continuous filaments without blending with the tightly interlaced first group. The finished yarn has node harshness less than 100.

Abstract: An air nozzle for use in the production of nonwoven fabric that is adapted to receive spun filaments from a spinning nozzle and feed the filaments in an air jet into a receiver. The air nozzle is directed to the prevention of any abrasion of the inner surface of the nozzle body by an additive, such as titanium white, contained in filaments, and thus to the prevention of any defects in the nonwoven fabric. The inner surface of a nozzle body for guiding filaments is formed using a ceramic material to protect that surface. The nozzle body has a conical passage whose diameter gradually decreases from an inlet for receiving the filaments from the spinning nozzle, and a straight passage continuing from the conical passage and extending with a constant diameter, at least part of the inner surface of the conical passage and/or the straight passage being formed as a ceramic surface.

Abstract: The device has a guide body (1) with a through bore, which exhibits an outlet opening (3). A needle body contains a through yarn channel, which is coaxially aligned with the bore of guide body (1). One end of the needle body extends into a conical inlet section of the guide body bore and forms, with it, a passage gap for the blowing air. The blowing air is introduced by two feed bores (11, 12) into the annular space in front of the passage gap. An impact body (9) is placed in the area of outlet opening (3).

Abstract: A self-stringing jet device which is compact, easy to disassemble, and easy to string up includes a body, a yarn inlet section, and a movable venturi located at the outlet end of the jet. The venturi may be moved from a string up position to an operating position by engaging the movable venturi located within the jet with a tapered pin that matches a v-shaped groove in the venturi to act as a cam to move the venturi to the string-up position.

Abstract: An air gun for producing nonwoven fabrics has an inlet, a carrier path and a compressed air blow port. The air gun receives filaments spun from high speed spinning nozzles and delivers them onto a screen belt to form a web. The inlet of the air gun receives the filament from the spinning nozzle. The carrier path then puts the filament on an air flow to deliver it while the compressed air blow port is open in the midst of the carrier path to an air inlet from a compressed air source. On a downstream side of the carrier path from the compressed air blow port an exhaust path is provided. When the filament is introduced into the inlet of the air gun, a part of the air flowing into the carrier path is discharged from this exhaust path. Because the exhaust path remains open during filament introduction, a negative pressure at the filament inlet increases thereby sucking the filaments into the inlet. The exhaust path can then be closed and the filaments will be drawn and delivered under constant traction.

Abstract: An apparatus for preparing regular soft nodes in multifilamentary yarns composed of synthetic polymeric filaments includes at least two interlacers, each having a separate yarn passageway. The passageways are arranged in series so that each interlacer operates independently of the other on yarn traveling consecutively through each interlacer and so that yarn tension does not exceed 100 grams per 1000 denier.

Abstract: A multi-ply continuous filament air textured yarn and method to produce same by combining a plurality of POY yarns in a nip and supplying them to a heated draw block to provide two stages of drawing. The drawn yarn is then heat set and supplied to an air nozzle to texture the yarn.

Abstract: A process for making a heather-dyeable or precolored heather yarn product comprises supplying a first crimped continuous filament yarn in the form of a loose matrix substantially free of filament entanglement and a second crimped continuous filament yarn which is differentially dyeable or precolored with respect to the first yarn. The second yarn is fed through a first entangling or interlacing zone and exposure of the second yarn to a fluid jet in the first entangling zone is randomly controlled to produce a color-point yarn product as the second yarn exits the first entangling zone, in which the color-point yarn product has relatively compact nodal regions of high entanglement of the filaments of the second yarn separated by bulkier regions of the same filaments relatively free of entanglement.

Abstract: A method and apparatus for producing an air textured yarn is disclosed, and wherein a partially oriented and fully drawn yarn is withdrawn from a supply package, wrapped about a heated godet, and then directly advanced into an air texturing nozzle. In the nozzle, a jet of unheated air serves to impart loops, curls, bows and the like to the advancing yarn. The yarn is advanced from the heated godet to the air jet nozzle under a relatively low tension so as to permit the heated yarn to shrink and thereby reduce the residual shrinkage. The jet of unheated air in the air jet nozzle also cools the yarn and thus the formation of the loops, etc. occurs only after shrinkage has ceased.

Abstract: The invention is directed to a process for producing bulked synthetic multifilament yarn comprising a plurality of continuous synthetic filaments having deposited thereon at intermittent intervals an adhesive polymer component having a melting temperature below that of the continuous synthetic filaments. The process comprises texturizing synthetic multifilament yarn to obtain desired bulk characteristics by directing heated yarn in a current of heated fluid against a yarn plug contained in a texturizing chamber, applying said adhesive polymer component in a molten condition to the surface of said yarn plug, and continuously discharging texturized yarn from said texturizing chamber at a lower linear rate than the feed rate of said yarn to said texturizing zone while said adhesive polymer component is still in a molten but solidifying state, resulting in bulked synthetic multifilament yarn having the adhesive polymer component deposited thereon at intermittent intervals.

Abstract: The device has a guide unit (1) enclosing a through hole with a conical inlet section (2). A needle unit (3) encloses a through yarn passage (4) arranged coaxially with the hole in the guide unit (1). One end of the needle unit (3) extends into the conical inlet section (2) and has a conical peripheral area (5) which, with the wall of the inlet section (2), forms a slot (6) for a blowing agent. The blowing agent is fed through a drilling (17) opening into the annular space (18) surrounding the needle unit (3) are pressed together by an elastic load, e.g. springs (11, 12). This arrangement accurately fixes the axial position of the guide unit (1) in relation to the needle unit (3), while the width of the slot (6) is accurately predetermined and unchangeable.

Abstract: A method and apparatus for producing an air textured yarn is disclosed, and wherein a partially oriented yarn is withdrawn from a supply package, drawn, and then directly advanced into an air texturing nozzle, wherein a jet of unheated air serves to impart loops, curls, bows and the like to the advancing yarn. The drawing godet of the drawing system is heated so as to heat the advancing yarn, and the yarn is then advanced from the heated godet to the air jet nozzle under a relatively low tension so as to permit the heated yarn to shrink and thereby reduce the residual shrinkage. The jet is unheated air in the air jet nozzle also cools the yarn ahnd thus the formation of the loops, etc. occurs only after shrinkage has ceased.

Abstract: A yarn treating jet is modified to locate a baffle at the outlet end of the jet. The baffle is positioned a fixed distance above the central axis of the jet and away from the outlet end of the jet such that the yarn and air follow the lower surface of the baffle to a point where the yarn leaves the baffle.

Abstract: A yarn string-up gun is modified to include an entangling jet and a cut-down device eliminating the need to provide entangling jets for joining yarns on each yarn-spinning machine position for intermittent use.

Abstract: Strand material, such as yarns, tow or film, is processed through a fluid treatment apparatus which utilizes a polylaminar stack structure to form an elongate strand processing duct which has a strand inlet, a strand outlet, and a duct cross section which changes both in breadth and in height between the inlet and outlet.

Abstract: A yarn treating jet is modified to locate a baffle at the outlet end of the jet. The baffle is positioned a fixed distance above the central axis of the jet and away from the outlet end of the jet such that the yarn and air follow the lower surface of the baffle to a point where the yarn leaves the baffle.

Abstract: Apparatus for gas jet treatment of moving, continuous multifilament synthetic yarn and a method for cleaning gas jet treatment apparatus are disclosed. A pressurized gas source for the apparatus is selectively disconnected and reconnected to a conduit which supplies a gas jet orifice in a yarn treatment zone. A pressurized liquid is supplied to the conduit when the gas source is disconnected. The liquid is directed forcefully from the orifice into the yarn treatment zone to remove deposits which form during treatment of the yarns.

Abstract: In a system for air-jet texturing yarn a yarn treating jet is modified to locate a baffle at the outlet end of the jet. The baffle is positioned a fixed distance above the central axis of the jet and away from the outlet end of the jet such that the yarn and air follow the lower surface of the baffle to a point where the yarn leaves the baffle to increase windup tension and provide a highly coherent textured yarn.

Abstract: In the case of an air nozzle for pneumatic false-twist spinning having a yarn channel formed of at least two segments and having at least one compressed-air duct leading into the yarn channel, it is provided that for the formation of each compressed-air duct, a groove is worked into one of the segments that is open in the direction of the contact of the other segment and that is covered by the segment that follows. To accommodate selective changes in the compressed air duct configuration the segments are replaceable parts that are clamped by screw threaded nozzle housing parts.

Abstract: In the case of an arrangement for pneumatic false-twist spinning having an intake nozzle and having a false-twist nozzle, it is provided that air guiding means are connected to the intake nozzle that discharge outgoing air of the intake nozzle that is first directed toward the false-twist nozzle, with at least one flow component that is directed against the transport direction of the sliver.

Abstract: A method and apparatus for forming a yarn or sewing thread from core and effect yarns. The effect yarn is drawn at no higher than a normal drawing ratio for material from which the effect yarn is made and the effect yarn is softened by sufficient heating, in order to prevent rupturing of the effect yarn during drawing. The core or effect yarn is passed through a wetting device to aid aspiration and entanglement of the core and effect yarns in a fluid jet device. The effect yarn is overfed to the jet device to aid in the formation of a highly entangled looped yarn which is subsequently set by a heated roller while contraction of the yarn is prevented. The core yarn can also be drawn at or below its normal drawing ratio in order to aid in developing thread tenacity and ensure an acceptable elongation at break after dyeing or subsequent wet processing.

Abstract: In a self-stringing yarn texturing air jet which is compact and easy to string up includes a body, a yarn inlet section, a movable venturi and a yarn guiding element through which yarn passes to the outlet end of the jet, a second flange on the yarn guiding element located upstream of a flange with an orifice improves texturing efficiency of the jet.

Abstract: The invention relates to a container for fiberglass wool, as well as a method and apparatus for producing a continuous length of fiberglass wool and for filling the container through which a gas flows, e.g. a muffler, with said wool. The apparatus comprises a feeder means which advances multifiber thread to a nozzle into which compressed air is blown which imparts movement to the thread at the same time as the fibers of the thread are blown apart and entangled so as to form continuous wool. The wool is blown directly into the container while air is evacuated by a suction fan.

Abstract: A self-stringing jet device which is compact and easy to string up includes a body, a yarn inlet section, and a movable venturi and a cylindrical baffle located at the outlet end of the jet. The venturi may be moved from a string up position to an operating position by engaging the movable venturi located within the jet with a rotatable cam surface actuated by an external handle that can be rotated between stops, one of which is a rotatable eccentric for adjusting the operating position of the jet.

Abstract: The present invention relates to high speed process and apparatus suitable for the preparation of cigarette filter rods having high tow utilization in terms of pressure drop per unit rod weight without producing substantial tow density variations. In accordance with this invention, it has been discovered that in a process for manufacturing filter elements from opened and deregistered crimped continuous filament tow, wherein said tow is conducted from a mechanical forwarding means through an aspirating jet positioned adjacent a compacting means and wherein means are provided for dissipating aspirating fluid, that filter rod pressure drop and weight variations are reduced by aspirating at low pressures and more specifically, at fluid pressures of not more than about 3 pounds per square inch gauge and by causing the aspirating fluid, at its point of contact with the continuous filament tow, to flow substantially in a direction axial to that of the tow.

Abstract: A bulking device for making loop yarn, comprising a base with a blowing chamber, a pin insert with a yarn feeding channel and a jet insert with a yarn delivery channel, followed by a diffusor having resonance chamber just behind the inlet cross section from the yarn delivery channel.

Abstract: Synthetic yarn and yarn-like structures are formed by the method of treating separate strands of thermoplastic material so that at least one has a shrinkage ratio higher than normal at an elevated temperature. The strands are fed forwardly at different rates of overfeed and intermingled in a gas stream with formation of loops on the strands, then heated to cause them to shrink differentially while being held to a predetermined length until shrinkage ceases. Apparatus for performing the method includes yarn drawing means, intermingling means comprising a jet device incorporating intersecting passages for the strands and for a gas under pressure, feeding means and heating and cooling means for the intermingled yarn downstream from the jet device, also means for holding the intermingled yarn to a predetermined length while it is being heated and cooled. Yarn produced by the method incorporates filaments at least some of which present bud-like projections inhibiting relative movement of the filaments.

Abstract: A self-stringing jet device which is compact and easy to string up includes a body, a yarn inlet section, a movable venturi and a cylindrical baffle located at the outlet end of the jet. The venturi may be moved from a string up position to an operating position between positive set points engaging the movable venturi located within the jet.

Abstract: In a process for draw fracturing yarn wherein the yarn is passed through a turbulent flow air suction device downstream of where the yarn is drawn and upstream of an air fracturing jet so that broken filaments extending from the yarn will be intermingled and immobilized by entangling them with unbroken filaments in the yarn so as to reduce yarn breaks.

Abstract: A jet and improved bustle tow blooming apparatus, the jet and bustle apparatus both being rectangular-shaped and the bustle apparatus having vented outlets through which the gases confined with the tow escape causing separation and blooming of the tow prior to its exit from the bustle apparatus.

Abstract: A bulking device for making loop yarn, comprising a base with a blowing chamber, a pin insert with a yarn feeding channel and a jet insert with a yarn delivery channel, followed by a diffusor, the axis of which runs at an angle to the jet axis and which is followed by a cylindrical channel section.

Abstract: The air jet of the present invention is of the "bullet nose" type and is provided with a conical outer surface (32) on the exit end for directing the ambient air surrounding the exit end of the jet downwardly and inwardly to join the yarn and pressurized air leaving the exit orifice (22) of the jet. An "airfoil" type baffle (40) is spaced from the exit orifice (22) and includes an arcuate leading surface (41) positioned to be engaged by the yarn and pressurized air after leaving the exit orifice (22) and a substantially wedge-shaped portion extending away from the arcuate leading surface (41) and being defined by the converging upper and lower planar surfaces (43, 44). The baffle (40) is supported for adjustment to vary the downstream distance and the perpendicular position relative to the exit orifice (22).

Abstract: A Venturi type nozzle for the texturization of yarns includes a hollow body o which compressed air is fed, a needle housed therein to which yarn is fed, and a plug, wherein the needle is provided with a longitudinal passage for the yarn, the air passes between the body and the needle, and yarn and air pass through a passage shaped like a Venturi cone in the plug, and wherein mutually facing portions of the needle head and of the plug have frusto-conical surfaces. The ratio of the axial distance between said frusto-conical surfaces to the diameter of the needle orifice is not more than 0.5, and preferably not more than 0.4. Preferably the conicity of the two frusto-conical surfaces is the same. Preferably also the outer surface of the needle head is cut off to provide a plane portion. The needle is axially displaceable and can be fixed in the desired axial position with respect to the body.

Abstract: A self-stringing jet device which is compact and easy to string up includes a body, a yarn inlet section, and a movable venturi and a rotatable cylindrical baffle located at the outlet end of the jet. The yarn inlet section comprises a cone-shaped yarn entrance having an axis that is at an angle with the axis of the yarn passage through the jet. The venturi may be moved from a stringup position to an operating position by one or more camming surfaces on the rotatable cylindrical baffle.

Abstract: A self-stringing jet device for fluid texturing of yarn has a yarn needle mounted in the jet body through which yarn passes to the outlet end of the jet. There is a high efficiency venturi located in the passage of the yarn needle to facilitate stringup.

Abstract: The air jet is provided with a first cylindrical baffle (A) and a second planar baffle (B) supported adjacent the exit orifice (30) of the air jet for successive engagement by the yarn (Y) leaving the air jet. The baffles (A) and (B) successively engage and deflect the yarn as well as the air leaving the exit orifice of the air jet so that two different types of treatment are imparted to the yarn by the successive baffles to permit higher operating speeds and to enhance the quality of the textured yarn. The homogeneous quality of the yarn is enhanced and the yarn exhibits a tighter yarn cross-section bundle because the exterior loop surface and the number of periodic balloons are both reduced.

Abstract: Disclosed is a yarn texturing apparatus for producing a multifilament yarn containing complex interfilament entanglement, comprising a housing having inlet and outlet ends connected by a yarn passage, a turbulence section in the yarn passage, an exit orifice constituting the yarn outlet and communicating with the turbulence section and means for introducing pressurized gas into the yarn passage, which is improved by providing a yarn guide for separating a multifilament yarn blown out of the exit orifice from blown gas while guiding the yarn along a guide surface of the yarn guide. The yarn guide is provided outside of the housing and in the proximity of the exit end of the orifice, in a condition such that the yarn guide does not cross the center-line of the exit orifice and the guide surface of the yarn guide faces the yarn outlet end surface of the housing.