Abstract: A top making apparatus is attached to a woolen card. Materials usually to be processed on a woolen card are fed and the delivered web is guided by the top making apparatus and ball tops are formed by the top making apparatus. This top is processed on cotton spinning system. Finer and even yarn can be spun with the top.

Abstract: The present invention relates to the application of fiber length measurement in the blowroom or carding room of a spinning mill. A method and an apparatus in a textile processing machine are described and claimed in which before and/or after a working element of the textile processing machine the nep count and/or the fiber length (staple) is determined, with an open-loop/closed-loop control unit being provided which receives the said values for the fiber length and/or the nep count as input values and determines therefrom the optimized machine setting data and outputs the same to at least one actuator of a working element which influences the nep count and/or the staple of the textile processing machine.

Abstract: A carding machine includes clothed rolls for processing and carrying fiber material thereon; an arrangement for separating lightweight waste from the fiber material processed by the clothed rolls; a conduit for receiving the lightweight waste; an air stream generating arrangement for generating an air flow in the conduit for removing the lightweight waste; an adjusting device for varying a degree of carding intensity of the carding machine; and a detecting device for measuring quantities of the lightweight waste produced at a respective degree of carding intensity.

Abstract: A fiber processing machine includes a roll having a direction of rotation and a clothing for carrying thereon fiber material; a cover partially circumferentially shrouding the roll; an air passage opening provided in the cover; an air guiding element bordering the air passage opening; a support for movably holding the air guiding element for varying a distance between the roll and the air guiding element; a pressure sensor for measuring a static pressure between the cover and the roll; and an arrangement for setting a position of the air guiding element as a function of the pressure measured by the pressure sensor.

Abstract: A carding machine includes a carding cylinder and a plurality of traveling flat bars. Each flat bar has a flat bar clothing carried on an underside of the flat bar for cooperating with the cylinder clothing. The flat bar clothing of the flat bars is oriented at an adjustable angle to the cylinder clothing. Each flat bar has first and second flat bar parts at a longitudinal flat bar end. A first arcuate slide guide is supported adjacent a radial face of the carding cylinder, and the first flat bar part of the flat bars rides on the first slide guide. A second arcuate slide guide is supported adjacent the radial face of the carding cylinder, and the second flat bar part of the flat bars rides on the second slide guide. The second slide guide is wedge-shaped and is shiftable in a circumferential direction of the carding cylinder.

Abstract: Disclosed is a process for manufacturing a filtration device. The process includes a fibre carding procedure which forms a web. The filtration device in accordance with the invention takes the form of a web having a single layer lap.

Abstract: An arrangement for a carding machine for parallel arrangement of fibers, includes a carding track; a plurality of flat bars arranged for being guided along the carding track; clothing positioned respectively on each flat bar, the clothing including clothing structure that engages in the fibers; and a mechanism for releaseably fastening the clothing to each flat bar.

Abstract: A flat card fed with fibres by means of a plurality of feed devices comprising licker-in rollers that operate in parallel so as to feed different fibres onto different points of the main carding drum, where the feed points are set sequentially and are staggered in such a way as to constitute, on the main carding drum, a series of pre-carding areas that are specific for the fibres fed at each point and that are provided with equipment adjustable for each type of fibre that is being processed.

Abstract: A carding machine includes a main carding cylinder having a cylinder surface carrying a cylinder clothing thereon; a licker-in cooperating with the cylinder for transferring fiber material, including long and short fibers, from the licker-in to the carding cylinder; a doffer cooperating with the carding cylinder for transferring fiber material from the carding cylinder to the doffer; a cylinder cover extending circumferentially underneath the carding cylinder between the licker-in and the doffer; a force-exerting arrangement for applying, to the short fibers, a removing force greater than a retaining force exerted on the short fibers by the cylinder clothing carrying the fiber material; a waste outlet opening provided in the cylinder cover for discharging short fibers from the fiber material carried by the cylinder clothing; a suction hood coupled to the waste outlet opening for receiving the short fibers from the waste outlet opening.

Abstract: Card clothing comprises a strip of profile wire having a plurality of longitudinally aligned teeth (110) with respective overhanging tips (111). The edge-face (112) of each tooth under the overhanging tip includes at least one undercut edge-segment (114) spaced along the edge-face from the tip. This undercut edge-segment increases the retention of fibres by the edge-face during carding.

Abstract: A fiber processing machine includes a roll having a circumferential surface provided with a first clothing having clothing points; a counter member having a surface provided with a second clothing cooperating with the first clothing and having clothing points; and a device for setting a clearance between the clothing points of the first and second clothings. The device includes an arrangement for approaching the roll and the counter member to one another until the clothing points of the first and second clothings contact and for moving away the roll and the counter member from one another until the clothing points of the first and second clothings assume a desired clearance. The device further has an arrangement for emitting a signal when the clothing points of the first and second clothings contact one another.

Abstract: The present invention relates to a method and an apparatus in a carding machine in which a controllable means is present which can influence the transfer factor of the carding machine. The transfer factor indicates how many percent of the fiber mass present on the swift is transferred to the doffer during each rotation of the swift.

Abstract: A fiber processing machine includes a first roll having a circumferential surface carrying a first clothing; a second roll having a circumferential surface carrying a second clothing and adjoining the first roll for taking over fiber material carried by the first roll as the first and second rolls rotate; a nip defined between the first and second clothings at a location where the first and second clothings are closest to one another; a bight defined by a generally triangular area immediately adjoining the nip and bounded by an end thereof and by circumferential length portions of the first and second clothings extending away from the nip end; and a cutting edge positioned in the bight and cooperating with one of the rolls for separating impurities from the fiber material as the fiber material is carried past the cutting edge by the roll clothing.

Abstract: Disclosed is a process for manufacturing a filtration device. The process includes a fiber carding procedure which forms a web. The filtration device in accordance with the invention takes the form of a web consisting of a single layer lap.

Abstract: A carding machine includes a main carding cylinder including a cylindrical jacket having an outer surface; a cylinder clothing carried on the outer jacket surface; and radial supporting elements supporting the cylindrical jacket. The carding machine further has a machine element defining a radial clearance with the cylinder clothing; two stationary lateral shield plates flanking the main carding cylinder; and an arrangement for reducing heat removal from the lateral shield plates to adapt a heat-caused expansion of the lateral shield plates to a heat-caused expansion of the main carding cylinder.

Abstract: Device and process for cleaning web-squeezing rollers (5, 6) at output from a carding machine, and their scraper blades (17), in which the said blades are mounted so that they can move tangentially away from and up to the web-squeezing rollers (5, 6) and are equipped with nozzles (29) for blowing fluid into the gaps between the blades (17) and the rollers (5, 6) for removal of the material that accumulates in the said gaps.

Abstract: A textile fiber processing machine includes a device for forming a fiber web from a fiber lap; a device for advancing the fiber web to a web outputting device for discharging the web thereby in a direction of advance; and two cooperating calender rolls defining a nip receiving the web discharged by the web outputting device. The calender rolls are situated immediately adjacent the web outputting device downstream thereof as viewed in the direction of web advance. Further, a heating arrangement is provided for heating at least one of the calender rolls for thermo-bonding the web as it passes through the nip of the calender rolls.

Abstract: The main drum diameter (D) of a card for short staple carding is reduced. The working width preferentially is enlarged. The main drum (50) can be made from fiber reinforced synthetic material. Notwithstanding its smaller diameter, the new main drum is operated at the same or a somewhat higher circumferential speed (in comparison to a conventional card).

Abstract: A system is provided for processing textile fibers. A bale plucker removes fiber flocks from bales of fiber material and a flock transporting system delivers the flocks from the bale plucker to a carding machine or other processing apparatus. A feed chute is configured with the card machine and includes a first part for receiving flocks from the flock transporting system, and a second part for delivering a fiber lap to the card machine. A cleaning device is disposed within the feed chute between the first and second parts. The cleaning device comprises a fine cleaning nip feed arrangement. This nip feed arrangement in the feed chute is the only fine cleaning nip feed arrangement within the system between the bale plucker and the cleaning device.

Abstract: A method and apparatus for fibre production by recycling waste fibre material includes pressing the waste fibre material with a pressure element along a contact pressure line onto a surface of a feed roller. The pressure force of the pressure element is variable along the length of the contact pressure line depending on the thickness of the fibre material at a respective position on the contact pressure line so that a thick fibre material does not substantially influence processing of a thinner fibre material along the contact pressure line. The pressure element is radially adjustable relative to the feed roller and is configured with at least one adjusting end pressured device. The pressure element may also be adjustable along the circumference of the feed roller.

Abstract: A fiber web is formed by the airlay technique on a web forming and transport surface by dispersing and projecting individualized fibers onto said surface by means of a flow of air, and the fibers are subjected to a carding operation prior to being inserted into the flow of air. According to an essential characteristic of the invention, action is taken on the fiber feed rate by means of one or more regulator systems between the carding operation and the insertion of the fibers into the air flow so as to make said fiber feed rate more regular. In a preferred variant of the invention, a regulator system comprises at least a combing cylinder which is designed to be rotated to have a circumferential speed that is strictly less than that of the carding cylinder and that rotates in a direction of rotation that is opposite to that of the carding cylinder, and that is coated on its periphery with a covering whose teeth or spikes point backwards, i.e. in the opposite direction to its direction of rotation.

Abstract: In a plant for processing textile fibers, the fine cleaning is effected at a point at which the stream of fiber material already has been subdivided (e.g. for the subsequent carding process), e.g. in the card filling chute. The cleaning device comprises at least one separating element arranged above the transporting roll. The trash eliminating system includes a system for eliminating material separated from the zone of the roll.

Abstract: Metallic clothing having metallic wire teeth bent at a double angle. The lower portion of each tooth is angled by an first angle with respect to vertical, and the upper portion is angled at a second angle with respect to vertical. The upper portion terminates at the tip, or point, of the tooth. This double-angle tooth profile is angled in the direction opposite to the general direction of travel of fibers being carded. The upper side portion of each tooth is tapered inwardly to the tip, and the rear edge of the upper end of each tooth may be provided with a forward curvature towards the point of the tooth. Alternate embodiments include single angled teeth and a double-angled teeth, each having a base portion substantially the same height as the teeth and teeth having serrated side portions.

Abstract: Method and device for discharge and cleaning of the web produced by a carder, by the effect of suction applied to the web, in its passage from the detachment cylinder to the web-presser cylinders, preferably combined with drawing of the web in this section, by the effect of actuation of the web-presser cylinders, at a linear speed which is higher than that of the detachment cylinder.

Abstract: Fixed adjustable carding element for textile fibre carding and opening machines consisting of a support structure which contains and guides in the radial direction a movable element which supports the carding clothing.

Abstract: An opening roller (1) for an open-end spinning device with a rotatably seated cylindrical roller body (7) is encircled by a sawtooth card clothing, (10, 10") molded in the form of a helical coil spring essentially entirely of a commercial ceramic material, e.g., aluminum oxide, zirconium oxide, silicon carbide, silicon nitride, or a mixture thereof. The ceramic helical sawtooth card clothing may be directly positioned on the cylindrical roller body by the use of an interlocking base body of the card clothing or by friction fitting a square cross-sectional base body or the ceramic card clothing may be indirectly positioned on the cylindrical roller body by winding the helical card clothing around a support structure that surrounds the cylindrical roller body.

Abstract: A fiber processing machine includes a fiber processing roll carrying a roll clothing on a circumferential surface thereof; an operationally substantially stationary carding segment carrying a segment clothing for cooperating with the roll clothing along a circumferential length portion thereof; a strip-supporting component fixedly held on a machine frame and having a supporting surface; and a segment-supporting strip extending circumferentially along the roll and being held on the supporting surface of the strip-supporting component. The segment-supporting strip has an upper surface supporting the carding segment at opposite end portions thereof and a lower surface opposite the upper surface. A radial distance between the clothing points of the segment clothing and the clothing points of the roll clothing is determined and is changeable by the shape and/or the position of the segment-supporting strip.

Abstract: A method and apparatus for producing a web of non-woven fibrous material which is cross-linked in the carding step by means of an intermediate card. There is a main cylinder with two web forming rollers engaging the main cylinder, each taking off one card web. One of the web forming rollers is a random roller for producing a random orientation of the card web. The random roller has associated with it a trough plate with a space between the roller and plate. The space tapers toward the discharge end resulting in stuffing or compression on the web until the web exits to a free non-woven forming zone. Two card webs form a single web, which is taken off the card.

Abstract: A card clothing for cards and/or carding machines includes several coating material layers which are composed of cotton and are connected through a binding agent with each other and with an elastomer cover layer provided on one of the outer sides to form a coating material unit. The coating material layers are equipped with hooks which extend transversely of the coating material layers and extend through the coating layers in the direction toward the elastomer cover layer and protrude with their tips. For reducing the harmful influences on the carding process resulting from electrostatic charges of the coating material unit due to accumulations of fibers and/or dust in the clothing area, inhibitors which at least reduce the generation of the electrostatic charges are added in the clothing area. Embedded at least in the cover layer is an electrically conductive material which serves for discharging the frictional electricity.

Abstract: A carding machine has a cylinder (3), stationary, self-cleaning flats (2) fixed at a chain (45) and guided and adjusted by a flexible bend (48). Additional active trash, dust and short fibre extraction units (1) are placed in the main carding zone. The units (1) are constructed as separate units, removable and placeable, instead of stationary flats (2), between adjacent flats (2). The units (1) have the same principal width gauge as the flats (2) or a multiple of it. The units (1) are fixed and held the same way as the flats (2) by the chain (45) and the flexible bend (48). The machine achieves an excellent carding quality and is readily adjustable to different needs.

Abstract: A textile fiber recycling machine for reprocessing hard thread waste, woven and non-woven fabrics, carpets, rugs, and the like. Material to be recycled is fed in pieces, or in roll form, into the machine. The machine includes a plurality of wire wound rolls positioned adjacent to one another and operating at successively higher rotational speeds from the inlet side to the outlet side of the machine. Closely spaced adjacent the rollers are carding segments. The rollers downstream of the entry roller include pairs of carding segments, with the leading carding segment being wire clothed, and the trailing carding segment being covered with a granular covering, such as sandpaper. The machine outputs open, usable fibers which can be used in subsequent conventional textile processes. A method of attaching sandpaper to a carding segment is also disclosed.

Abstract: A roll for advancing fiber material has a roll surface provided with a sawtooth clothing which includes a plurality of teeth separated from one another by respective tooth gaps each having a gap bottom. Each tooth has a frontal flank oriented in a direction of roll rotation and a tooth point. Each tooth having a tooth height h.sub.2 measured from the roll surface to the tooth point and a tooth gap height h.sub.3 measured from the tooth gap bottom to the tooth point. The tooth height h.sub.2 and the tooth gap height h.sub.3 are small for defining a small fill volume between teeth. Each tooth has a back angle .gamma. having a magnitude of at least approximately 90.degree. and further has a large tooth division t and a large pitch P for defining a large open space about the teeth.

Abstract: Flat carder in which the main carding drum receives the fibers from a multiple number of briseurs operating in parallel to feed the main carding drum at different points. Each briseur or opening cylinder is equipped and actuated independently from the other.

Abstract: Unit for opening and separation of the impurities, for machines for opening or carding of flock textile material, comprising separator blades for the removal of the impurities, consisting of a triangular cutting blade, which is mounted on the support with its inner surface disposed according to a small angle, relative to the tangent to the surface of the covering, and with the vertex disposed downstream from the motion of the cylinder.

Abstract: A flat-head carder, equipped in the tangential area between the main drum and briseur with a fiber-guiding wedge fitted with a discharge opening provided at a tangential direction to the surface of the drum and prior to their tangency, connected to an aspirating nozzle.

Abstract: A carding machine incorporating a train of co-operating rollers (40, 41, 42, 43, 44, 72, 73, 74, 75, 76), each roller incorporates angled forward (118) and backward (119) facing teeth and each roller rotates in the opposite direction to and with a surface speed substantially faster than its predecessor, thus causing in said train at least one slower input section (42, 43) and a faster output section (73, 74, 75, 76). The machine incorporates interleaved rings of teeth (14) in precise construction to increase the feed of fibers from the slower entry end of the train to take advantage of the (potentially) faster output of the fibers at the exit end of the train. The carding is done in a substantially rectangular manner as the fibers pass through the train. It is preferred that at least in the slower input section of the train each roller incorporates rings of forward-backward teeth (120, 121) which are integral with the special outer part (81) of the rollers (79).

Abstract: Before being processed in a pneumatic separator or classifier (13), a stream of cut tobacco, travelling to the separator on a conveyor (12), is passed through an opener (11) to open up tangled masses of tobacco that cannot be handled by the separator. The opener comprises carded rollers (1, 2, 3 and 4) having sequentially increasing peripheral velocities. Rollers (1,2 and 4) rotate in the same direction as each other, away from the conveyor, so that tobacco passes over the top of each roller, whereas roller (3) rotates in the opposite direction. The carding pins on rollers (1, 2 and 4) are inclined 5.degree. to the normal, in the direction of rotation. The pins on roller (3) are inclined at 30.degree., also in the direction of rotation, so as to trap the tobacco as it is moved around underside of the roller.

Abstract: A method of measuring fiber material while being processed by fiber processing components of a carding machine, includes the following steps: measuring fiber length and nep number at an outlet of the carding machine; applying measured values of the fiber length and nep number to a control and regulating device; forming, in the control and regulating device, optimized machine setting data for the fiber length and the nep number; and applying the optimized machine setting data to at least one of the fiber processing components affecting fiber length and nep number.

Abstract: A feed roller with clothing, the so-called taker-in (1A), feeds a first carding cylinder (3,) which presents it to a second carding cylinder (7) which rotates at greater speed than that of the first carding cylinder and which in turn presents the material to a third even faster carding cylinder (11), which in turn presents it to the doffer (13); the clothings (3A,7A,11A) of the successive cylinders are gradually thicker-set and more inclined.

Abstract: The carding distance (KA) between clothings (14, 15) is scanned using an optical device (22, 26) e.g. using a laser beam (24) from the side of the working area. The measuring value thus obtained can be compared to a pre-set target value in such a manner that the distance mentioned can be adjusted. Card with a controllable actuator system (32, 34) for setting the carding gap between the clothing on the main drum and the clothing on the flats, and with a programmable control system (12) which can influence the actuator system. A sensor system (26, 28) measures the carding gap in order to render regulation of the gap possible. The control system obtains, and processes respectively, data connected with the state of the clothing. The control system (12) is programmed in such a manner that regulation is effected as long as the measuring values supplied by the sensor system appear to be "plausible".

Abstract: A carding machine for treating a fibrous feedstock and having an adjustable cleaning device arranged at any position on the machine where removal of waste from the feedstock is required while undergoing treatment, and a machine management device for monitoring the waste removal by the cleaning device and for providing a compensatory feedback adjustment of the cleaning device when the monitored waste deviates from a desired state, in which the monitoring of the waste removed can comprise a weighing device, an optical device, or a filter device which acts on a stream of air-borne waste.

Abstract: A driven opening roll (A) covered with card clothing receives a web (W) over a feed plate (B) which carries a pair of serially arranged feed rolls (C) and (D) for separating fibrous material from the web and removing the fibrous material in a passageway (E) providing air flow progressively increasing in velocity.

Abstract: A ventilated carding cylinder for allowing heat generated in the carding cylinder during operation to be dissipated. The carding cylinder includes an internal, longitudinally extending, air flow passage and impeller means provided therein for moving air through the air flow passage during operation of the carding cylinder. This movement of air aids in dissipating heat generated by the carding cylinder during the fiber carding process. Reduction of heat in the carding cylinder can minimize the risk of fire occurring in the fibers and also thermal growth of the cylinder during operation.

Abstract: A method and device for controlling a card with a feed roll, a doffer, and a control wherein the feed roll is controlled relative to the doffer in such a way that during running up or braking transitory (transient) phenomenon in the formation of a sliver are at least partially compensated for by controlling the relative speeds of the feed roll and doffer during the running up or braking periods.

Abstract: Metallic clothing having metallic wire teeth bent at a double angle. The lower portion of each tooth is angled by an first angle with respect to vertical, and the upper portion is angled at a second angle with respect to vertical. The upper portion terminates at the tip, or point, of the tooth. This double-angle tooth profile is angled in the direction opposite to the general direction of travel of fibers being carded. The upper side portion of each tooth is tapered inwardly to the tip, and the rear edge of the upper end of each tooth may be provided with a forward curvature towards the point of the tooth. Alternate embodiments include single angled teeth and a double-angled teeth, each having a base portion substantially the same height as the teeth.

Abstract: Method for producing a card sliver and carding machine therefor. The flexible bend of a card is set automatically by the machine control by means of a controllable actuator system on the basis of a wear characteristic, this characteristic representing the wear as a function of the production of a given material.

Abstract: An aeromechanical individualizer for individualizing entities within a fiber sample includes a cylindrical rotating beater wheel, having a non-permeable cylindrical surface and having carding elements, such as pins or wire points, on the cylindrical surface. A cylindrical feed roller and feed plate supply the fiber sample to the beater wheel in the form of a beard at a first point along the rotational path thereof. A nozzle directs a gas flow across the feed plate and the beard such that fibers are dragged from the feed plate into engagement with the carding element. At a second point along the rotational path of the beater wheel there is a doffer for removing entities of the beater wheel. An enclosure surrounds the beater wheel and substantially prevents the ingress or egress of the gas except gas flow which enters via the nozzle at the first point and which exits at the second point.

Abstract: An apparatus includes a carding machine which has a web trumpet gathering a running fiber web into sliver and a calender roll pair arranged immediately downstream of the web trumpet for pulling the sliver therethrough. The apparatus further includes a sliver coiler having a rotary coiler head through which the sliver passes and a first sliver trumpet having an inlet which constitutes the inlet opening for the coiler head. A sliver drawing unit is arranged at the inlet opening for the coiler head for drawing the sliver running therethrough prior to entering the coiler head. Further, a second sliver trumpet is arranged at the inlet end of the drawing unit for guiding the sliver thereto.

Abstract: A carding engine having a main toothed cylinder, a taker-in, a doffer, and a revolving flats assembly positioned above the outer periphery of the cylinder in the region between the taker-in and the doffer, in which a fixed bend and a flexible bend are adjustably interconnected so as to define a required working path for the moveable flats whereby the spacing between the fixed bend and the adjustable bend can be adjusted to enable any desired predetermined clearance values to be pre-set between the tips of the flats and the outer periphery of the main cylinder, and including a number of setting devices which are arranged at spaced apart setting locations with respect to the working path and which operative to provide a predictable adjustment movement from the pre-set clearance values between the tips of the flats and the outer periphery of the main cylinder set by the adjustment means.

Abstract: A nep separator and detector for presenting a fiber sample having fibers, neps, and trash. A toothed rotating cylinder receives the fiber sample at a fiber sample receiving point, and impacts and propels at least a portion of the trash and neps along an ejection path. An air curtain is directed toward and passes across a portion of the toothed surface of the rotating cylinder, at a location rotationally after the fiber sample is received by the toothed rotating cylinder. The air curtain crosses and is oriented transverse to the ejection path, and draws at least a portion of the neps out of the ejection path and onto the surface of the toothed cylinder as it rotates. The trash propelled by impact with the toothed rotating cylinder has sufficient momentum to pass through the air curtain along the ejection path. A dead air space is positioned in the ejection path and disposed adjacent the air curtain and across the air curtain from the fiber sample receiving point.