Abstract: A method for fastening a clothing strip to a card-flat bar by a fastening means in the form of clips is presented. In this case, the clips are integrally formed onto the card-flat foot by press rams guided simultaneously from both sides of the card-flat bar and parallel to the plane of the clothing strip. The clip is integrally formed onto the card-flat foot and loops around the latter with a looping angle of less than 90° and more than 30°. A corresponding tool for carrying out the method and also a revolving card flat are likewise proposed.

Abstract: An apparatus on a carding machine for processing textile fibres, with a cylinder, has, in the preliminary carding zone, after carding zone and/or underneath carding zone, covering elements which lie opposite the cylinder clothing. A fixed carding element is associated with at least one cover element. The spacing of the cylinder clothing from the clothing of the fixed carding element is smaller than the spacing from the cover element. In order to reduce nep formation, to allow improved carding work and to give a better carding result, between at least one clothing strip of the fixed carding element and a cover element arranged upstream and/or downstream thereof, there is arranged an air guide element the spacing of which with respect to the cylinder clothing gradually decreases or increases.

Abstract: In an apparatus on a carding machine for grinding a fiber processing clothing on a roller or a card flat, grinding equipment includes at least one grinding element and an infeed device serving to position the grinding element against the clothing. To permit reliable detection and monitoring of the contact between the at least one grinding element and the clothing in a simple manner, a structure-borne noise sensor is associated with the grinding equipment and an electronic evaluator is capable of determining from the structure-borne noise the intensity of the contact between the at least one grinding element and the clothing.

Abstract: In an apparatus at a flat card for cotton, synthetic fibres and the like, wherein at least one stationary carding element comprising a carrying element with at least one clothing element is associated with a clothed roller, for example a cylinder, the tips of the clothing elements and the tips of the clothing of the roller lie opposite one another with a spacing and the carrying element has a hollow space. In order for the carrying element to be dimensionally stable in operation even when exposed to heat, the cross-sectional shape of the carrying element does not include an enclosed hollow space, and the opening is arranged in a region remote from the tips of the clothing element.

Abstract: An arrangement in a spinning preparation machine is provided. The arrangement has a clothed roll having clothing presenting free ends; flat bar slide elements; clothed flat bars having clothing presenting free ends and cooperating with the clothing of the clothed roll, the flat bars having slide guides which glide on the flat bar slide elements; and a measuring apparatus comprising at least one sensor arranged for detecting a distance between a reference surface and at least one of the free ends of the clothing of the clothed roll and the free ends of the clothing of the clothed flat bars.

Abstract: In an apparatus at a carding machine, wherein at least one stationary carding segment comprising a carrier together with at least two carding elements is associated with a roller, for example a cylinder, which carding elements are arranged behind one another in the direction of rotation of the roller, the clothings of the carding elements and the roller clothing are located opposite one another. In order, by means that are simple in terms of construction and installation, to make possible individual setting of the carding intensity and a reduction in wear on the clothings of the carding elements, the carding surface of at least one carding element forms an angle with a respective tangent at the clothing of the roller 4 and the carding elements are arranged in stationary manner with respect to the roller.

Abstract: In a device on a spinning preparatory machines, especially a carding machine, cleaning machine or the like for cotton having at least one separating blade for impurities, which is associated with a clothed roller, for example a licker-in or the like, wherein the separating blade is arranged on a support which is displaceable parallel to (concentrically with) the periphery of the roller, the distance between the separating blade and a fixed-position counter-element bordering the separation opening is variable. In the event of a change in the position of the separating blade, in order to provide uniform removal of impurities and uniform supply of air into an extraction chamber, the separating blade is associated with an extraction chamber which is mounted on the support, and the extraction chamber cooperates with a fixed-position guide element which is able to guide the separated impurities and/or air into the opening of the extraction chamber.

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: 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: A fiber processing machine includes a rotary roll provided with a peripheral clothing; a counter element having a part cooperating with the roll clothing; a sensor stationary relative to the counter element and having a sensing portion facing said roll clothing; and an arrangement for generating a signal representing a distance between the sensing portion and the roll clothing. The distance represents a spacing between the roll clothing and the counter element part.

Abstract: A method and apparatus for operating a carding machine having a drum with a drum fitting and a plurality of card flats wherein each card flat is provided with a card flat fitting. A predetermined distance between the drum fitting and the card flat fittings is adjusted by conditioning the running surfaces of the card flats.

Abstract: A method of producing apparatus for use in fiber processing, and in particular blades for pre-carding flats in a cotton card. The method comprises the steps of providing a body (32) defining a multiplicity of bores (34) extending between rear and front faces thereof, providing a multiplicity of pointed pins (44) of corresponding diameter to the bores, locating the pins (44) in the bores (34) from the rear of the body such that the points extend from the front of the body, and fixing the pins in the body.

Abstract: A carding machine includes a machine frame; a fiber processing roll carrying a roll clothing and having a rotary axis; and a stationary carding segment including a carrier mounted on the machine frame; and two carding elements affixed to the carrier and arranged serially as viewed circumferentially of the roll. Each carding element has an element clothing for cooperating with the roll clothing. The carding segment further has a mechanism for turning the carding elements as a unit about a turning axis extending parallel to the rotary axis of the roll for adjusting a distance of the element clothings from the roll clothing.

Abstract: In a fiber processing machine with a separating edge in which fibers as well as air are guided in a substantially predetermined transporting direction past the edge, trash particles are selectively removed from the fiber/air stream with the help of the edge. The adjustment of a separating element, in particular, the setting of the angular position of a separating surface and/or the penetration depth upstream from the separating surface is linked with an adaptation of the width of the eliminating gap. Also, at least one measure can be taken for eliminating, as far as possible, a pressure drop and/or air turbulences downstream (in the transporting direction) from the edge. Downstream from the edge, a flow pattern as laminar as possible is generated or maintained, respectively.

Abstract: A mote knife for use with a cleaning system including a rotating cylinder which creates a binary air flow while which entrains a fiber web formed of fibers of various fiber lengths about a circular path. A waste removal duct is arranged adjacent the periphery of the cylinder. A mote knife, which includes a contact surface positioned adjacent the periphery of the cylinder, a front edge located a first distance from the periphery of the cylinder, an intermediate edge located a second distance from the periphery of the cylinder and a rear edge located and a third distance from the periphery of the cylinder. A first channel is formed between the periphery and the front and intermediate edges which converges toward the intermediate edge. A second channel is formed between the periphery and the intermediate and rear edges which diverges toward the rear edge. Rotation of the cylinder creates a venturi effect at the intermediate edge which brings the flow of binary air to its greatest velocity.

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: A flat of a revolving flat card is provided with a clothing the points of which are subdivided into groups. The flat preferentially presents an area provided with clothing of a length of more than 1000 mm. The groups each may present a "heel", or a clothing plane each respectively, facing the main drum. The groups can be formed by respective clothing strips (flexible clothing) fastened on a support member to extend in the longitudinal direction thereof, or by saw tooth wire strips (metallic card clothing) arranged side by side and extending in transverse direction of the flat.

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 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: The present invention relates to a dust and trash removal system for carding machines or cards including a cylinder and fixedly mounted carding segments cooperating therewith. The system comprises a mote knife having a blade section whose blade is arranged in a direction opposite to the running direction of the cylinder at a small distance from the surface of the cylinder, as well as a hold-down element arranged in the running direction of the cylinder upstream of the mote knife with a base surface that extends substantially in parallel with the surface of the cylinder. To improve the discharging characteristics for dirt particles, short fibers, or the like, the blade, when being viewed in cross-section, has at least one rounded section with a radius greater than 1 mm.

Abstract: A fiber processing machine includes a fiber processing roll carrying a first clothing on the surface thereof; and a countermember carrying a second clothing thereon. The first and second clothings cooperate with one another during operation of the fiber processing machine. A sensor determines a clearance between facing points of the first and second clothings. The sensor is mounted on the countermember and faces the first clothing when effecting measurement of the clearance.

Abstract: A card suitable for cleaning cotton fibers and other fibrous materials is provided. The card comprises fixed carding flats adjacently disposed about a peripheral portion of a rotatable cylinder adapted to receive clothing on the surface thereof. Each of the flats comprises a group of spaced parallel blades arranged in alternate sequence with a group of distance or separator pieces and held fast thereto. The fixed carding flats are characterized by a forward end face with the spaced blades extending to the end face, the end face being disposed against the rotational direction of said cylinder. The forward end face of each of the carding flats is inclined such that the blades extending to the end face are disposed at an acute angle relative to the clothing fed to the surface of said cylinder for removal of impurities therefrom.

Abstract: A method and apparatus for cleaning or carding textile fibers between a fine cleaning or carding drum (2) with clothing (7) fixed thereon and carding elements (5) surrounding said drum, a clothing (9, 10, 11, 12, 13, 14) also being provided thereon. The teeth (9, 10, 11, 12, 13, 14) of the carding elements (5) are so provided differently in the direction of movement (8) of the rotating drum (2) that the tooth (9), for example, has what is known as a negative carding direction with a relatively large angle (.alpha.) and the tooth (14) a positive carding direction with a relatively small angle (.alpha.) and the teeth therebetween have different attack angles as shown in FIG. 3. This gives different cleaning or carding effects within a predetermined peripheral zone of the drum.

Abstract: A main cylinder casing segment for use with a revolving flat on a card, each of the segments including opposite end portions, adapted for fastening on a frame of the card, and a longitudinal body between the end portions for covering the main cylinder. The body includes two plate-shaped parts, a first of the parts has a surface adapted to be inwardly directed toward a working area of the card, during operation of the card, and a second of the parts constituting a stiffener for the segment. Further, the first part of the second part are connected for transferring bending stresses between the parts. The segment is thus formed as a hollow body, preferably extruded.

Abstract: A cooling system and method for a carding machine having covering elements covering the swift of the card and a revolving flats arrangement defining the main carding zone. Heat is removed from the covering elements and/or the revolving flats arrangement by passing a heat-receiving medium, such as a liquid or gas, through ducts formed in covering element segments and/or between adjacent flats of the revolving flats arrangement.

Abstract: A card is provided with a cover assembly adapted to provide enhanced cleaning efficiency. The cover is 4 covers in one with each part being set at a prescribed distance from the carding cylinder to induce increased cleaning. Air drawn through a gap at the first cover disturbs and intermingles with the fibers and loosen dirt. The fourth cover exerts centripetal action to strip away waste from the fiber.

Abstract: A carding machine comprises a main carding cylinder and parts which are adjustable relative thereto, such as a licker-in, a stationary flat, a revolving flat and a doffing cylinder, such parts preferably having a nominal spacing relative to the main carding cylinder. For checking a spacing, namely an existing spacing or an already adjusted spacing between the main carding cylinder and the aforesaid parts arranged opposite thereto, there is provided a sensor at at least one end or end portion of the main carding cylinder, but preferably at each one of the two ends or end portions thereof, such sensor or respective sensors being connected to an electronic evaluation unit by means of a coupling device.

Abstract: A textile fiber processing machine has a fiber processing roller; a carrier element supported in the machine immediately radially adjacent the roller and covering a circumferential portion thereof; a plurality of fiber processing elements arranged on the carrier element and cooperating with the roller; and a securing arrangement for separately adjustably mounting each fiber processing element on the carrier element.

Abstract: In order to make gauge regulation simple and to make it possible to exchange or grind the card clothing in each individual top bar, the present invention provides a stationary flat unit which is composed of a stationary flat having a plurality of top bars adjustably fitted between two sash-like plates for adjustment in up and down directions, and arms fixed to both side surfaces of the statinary flat. This stationary flat has the effect of reducing the time required for fitting, reducing the frequency of maintenance and prolonging the service life of the card clothing.

Abstract: A flat for a carding engine comprises an elongate support bar (11) designed to be supported at each end thereof on a bend at the respective side of the carding engine. Carding elements (19) are carried by an elongate carrier (14), the support bar and carrier having interengaging formations (15,16) which restrain these parts against relative lateral movement. Adjusting means (24,25) are provided in at least two spaced locations along the support bar for adjusting the spacing between the support bar and the carrier. Each adjusting means has an associated locking means (23) for releasably locking the support bar and the carrier in an adjusted position in order to achieve a required setting of the carding elements in relation to the main carding cylinder.

Abstract: A travelling flat bar includes a head, an opening in the head, a coupling element received in the opening and arranged for attaching the flat bar to a flat-moving chain and a securing (locking) arrangement for readily releasably retaining the coupling element in the opening. The locking arrangement cooperates with the coupling element for form-lockingly retaining the coupling element in the opening.

Abstract: A card wherein at least the pre-carding zone, located between the licker-in and the revolving flats is subdivided into a multiplicity of angular ranges with respect to the axis of the main cylinder, all of which have a unified angular extension or an integral multiple of this unified angular extension. In this zone, or in several of these zones on both sides of the main cylinder there are exchangeable fastening plates, lying opposite to each other in pairs, which can be fitted to the card shells, whereby the angular extension of the fastening plates around the axis of the main cylinder corresponds to the unified angular extension or to an integral multiple of this angular extension.

Abstract: A mote knife arrangement is fitted to a flat of a card or carding machine in a position so as to extend substantially transversely to the carding direction and the mote knife or blade is at an inclination so as to extend in a direction substantially opposite to the carding direction. A steel profile defining the mote knife or blade is provided for the mote knife arrangement. The steel profile is positively and non-slidably retained at a support or carrier which is mountable at the associated flat. The steel profile provided for the mote knife arrangement is retained at the support or carrier by permanent plastic deformation of such support or carrier which has a predetermined profile or sectional shape. The longitudinal direction of the profiled support or carrier also extends substantially transversely to the carding direction.

Abstract: A textile fiber processing machine has a clothed roller, a clothed stationary carding element cooperating with the clothed roller, a mote knife cooperating with the clothed roller, a stationary component situated adjacent the circumferential periphery of the clothed roller and having a bounding edge defining, together with the mote knife, a waste removal clearance; and a carrier element disposed radially adjacent the roller periphery. The mote knife and the stationary carding element are mounted on and supported by the carrier element which is arcuately shiftable, together with the mote knife and the stationary carding element as a unit, in a direction parallel to the roller periphery, thereby varying the width of the waste removal clearance.

Abstract: The stationary flat of a card or carding machine having mounting flanges arranged at end surfaces of a carding cylinder is mounted at these mounting flanges by means of spring clips. Each spring clip is constructed as a resilient element comprising a radially extending first limb or leg mounted at the associated mounting flange and a second limb or leg which is bent away at an angle with respect to the first limb or leg, partially extends over the associated stationary flat and bears thereupon.

Abstract: In the present invention, a plurality of fixed flats are disposed in juxtaposition to one another, and an opening 5 to 33 mm wide is formed between each pair of adjoining fixed flats, in such a manner that the dust is entrained in the discharge air current produced at the upstream side of the opening and extracted out of the opened fiber mass.

Abstract: A dirt separator which is arranged between adjacent carding plates of a carding device and which comprises a knife blade and a collecting rail. Each of these elements is radially adjustable with respect to the main cylinder of the carding device. The knife blade, the collecting rail and a cover form a vacuum chamber that is adapted to be connected to a vacuum source. A longitudinal gap or clearance between the knife blade and the collecting rail serves to extract the dirt or trash from the treated material.

Abstract: An assembly is illustrated for use in connection with the main cylinder and the like of a carding machine wherein an annular shroud has a segmental portion of reduced thickness for providing a ledge type bearing surface for support and securement directly to the card frame, the shroud also having a bearing receiving recess so that the cylinder mounting shaft may be supported within the shroud. The bearing has a pair of parallel inserts, spaced on each side of the shaft, having thickened inner portions for engaging the inner race of the bearing for removing the bearing while the cylinder is carried within the card frame. The shroud provides an arcuate mounting surface for positioning stationary card flats facilitating the provision of means for resiliently carrying the flats yieldably urging them downwardly while permitting adjustment of the settings.

Abstract: A carding device of the large rotating carding drum type including a comber-cleaner assembly particularly well suited for combing and cleaning universal flat cards is provided. The comber-cleaner including a worker roller and a stripper roller mounted for cooperation with the carding drum is disposed between a take-in roller and a card belt. The comber-cleaner assembly includes at least three curved plaque segments disposed over the worker roller for defining at least two channels for positioning at least two extractor blades for improved removal of residual short fibers and other impurities. A control strip deforms the web as it passes from the stripper roller to the worker roller.

Abstract: Processes and apparatus for treating fibrous materials for subsequent processing are described. Such processes and apparatus are able to provide a continuously high throughput, e.g., 400 pounds per hour or more, while achieving an acceptable degree of cleanliness and uniformity with a substantial absence of formation of neps. In a preferred embodiment, the fiber treatment unit includes a train of rolls adjacently mounted for rotation about parallel axes. Adjacent rolls rotate in opposite directions and each is provided with a plurality of fiber grabbing, card clothing teeth. A number of additional carding points about the rotating cylinders are provided. Numerous trash removing assemblies adjacent the rotating rolls provide for removal of trash and other dry particles, thus preventing escape of such particles into the atmosphere and minimizing health hazards at this and subsequent fiber process stages.

Abstract: Processes and apparatus for treating fibrous materials for subsequent processing are described. Such processes and apparatus are able to provide a continuously high throughput, e.g., 400 pounds per hour or more, while achieving an acceptable degree of cleanliness and uniformity with a substantial absence of formation of neps. In a preferred embodiment the fiber treatment unit includes a train of rolls adjacently mounted for rotation about parallel axes. Adjacent rolls rotate in opposite directions and each is provided with a plurality of fiber grabbing, card clothing teeth. A number of additional carding points about the rotating cylinders are provided. Numerous trash removing assemblies adjacent the rotating rolls provide for removal of trash and other dry particles thus preventing escape of such particles into the atmosphere and minimizing health hazards at this and subsequent fiber process stages.

Abstract: At least one assembly grouping of cooperating cylindrical rollers comprising a rotatable worker and a rotatable stripper roller is mounted in specific relation to a rotatable carding drum. The worker roller performs a pick-up and retaining function in that it picks up the fibrous web from the carding drum, retains the fibrous web thereon and delivers it onto the stripper roller whereon the web is combed, cleaned and discharged onto the carding drum. This operation may be repeated a plural number of times until the web is discharged from the carding drum. The worker and stripper rollers are rotatably journalled in the carding drum housing, both rollers being rotatable in a first direction, while the carding drum is rotatable in a second direction. The carding drum and rollers have a planetary arrangement. In the arrangement of the rollers relative to the carding drum, the worker roller is mounted upstream relative to the stripper roller. The gauge distances among the drum and rollers is constant.

Abstract: Fibre processing machinery including carding plates wherein means are provided for carefully adjusting the relative settings of adjacent components of the carding plates.

Abstract: A card head for supplying pile fibers to a knitting machine is disclosed herein along with a method for using same. Precarded, pre cut fibers in sliver form are presented to a fluted roll in proximity to a highly polished nose guide. Sliver is fed therethrough to a clothed main cylinder rotating at a higher speed than the fluted roll to separate cut fibers from the sliver. Flats or the like are secured around a portion of the main cylinder and cooperate with the main cylinder in proper alignment of fibers floating thereon. A doffer roll is positioned adjacent the end of the flats, barely out of contact with the card clothing and rotating at a higher speed than the main cylinder. Teeth on the doffer thus remove the fibers from the main cylinder and properly present same to knitting needles passing thereacross. The card head is provided with cover plates to control air flow therethrough which assists in floating of the fibers and proper operation thereof.