Abstract: A filling material for filling into articles of bedding and the like is presented and includes polyester fibres having an average dimension of 0.5 to 2.5 dtex and being coated with a slickener and crimped. The fibres have been cut to an average length of 4-15 mm and have subsequently been opened. In a method of forming a filling material a tow of slickened fibres of the above type is formed and crimped and is then cut to the above mentioned length. The cut fibres are then opened to form the filling material.

Abstract: A device on a spinning preparation machine, for example a tuft feeder, having a feed device comprising at least one slow-speed feed roller and a counter-element, for example a feed tray, with which fibre material can be supplied to a downstream transport device, has a driven transport element, for example a conveyor belt. In order to provide improved delivery from the feed device, or improved takeover by the downstream transport device, and to allow troublefree operation, for the purpose of determining setting values for the optimum speed of the transport element, a function between the measured values of the feed roller speed and the measured values of the transport speed is so determined that the fibre material lies on the moving surface of the transport element.

Abstract: A device is provided for separating out foreign particles and/or neps in a pre-carding zone and/or a post-carding zone of a carding machine having a carding cylinder. The device has at least two modules arranged opposite the carding cylinder in the pre-carding zone and/or the post-carding zone. Each module has a plurality of operating elements, the elements being arranged beside one another as seen in a circumferential direction of the cylinder. The operating elements are fixed carding elements, suctioning devices, and/or separating knives.

Abstract: In a method at a spinning preparation machine, for example a cleaner, opener, carding machine or the like, for cleaning fiber material, especially cotton, an examination of the nature of the trash is carried out, which examination is used for adjustment of at least one adjustable cleaning element, for example a separating blade, cleaning grid or the like. In order to make possible improved and undisrupted production by simple means, the optimum adjustment of the at least one cleaning element for a specific fiber batch is stored in a memory of an electronic control and regulation device and, when the same fiber batch is processed again, the optimum adjustment of the cleaning element is implemented automatically.

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: A fiber processing machine includes a generally vertically oriented feed chute having an upper portion and a lower portion; a device for introducing fiber material into the upper chute portion; a clothed fiber opening roll supported for rotation in the lower chute portion; a withdrawing roll adjoining the opening roll and supported for rotation for drawing fiber material in the feed chute and for forwarding the fiber material to the opening roll; an optical sensor system supported above the opening roll laterally of the feed chute for detecting foreign material carried on the clothing of the opening roll along with the fiber material; an air stream generating device for directing an air blast to the clothing of the opening roll; and a control-and-regulating device for operating the air stream generating device upon detecting foreign material by the optical sensor system to remove and carry away the foreign material from the clothing of the opening roll by an air blast.

Abstract: An apparatus for making a fiber lap from a mass of fiber tufts includes a generally vertically extending feed chute having relatively wide first and second walls facing one another and relatively narrow third and fourth walls facing one another. The distance between the third and fourth walls defines the width of the feed chute. Each first and second wall has a mid region and flanking edge regions. The first and/or second wall is provided with air outlet openings in a bottom region. The apparatus further has a device for charging the feed chute with fiber tufts at a top portion thereof, and a device for withdrawing the fiber tufts from the feed chute as a fiber lap at a bottom portion of the feed chute. A plurality of side-by-side arranged elements are positioned in a series on the first wall at a bottom portion thereof along the wall width. The distance between any given element and the second wall defines the depth of the feed chute at the given element.

Abstract: A fiber processing machine includes a rotatably supported clothed opening roll; a withdrawing roll adjoining the opening roll and supported for rotation for forwarding the fiber material to the opening roll; an optical sensor system for detecting foreign material carried on the opening roll along with fiber material; an air stream generating device for directing an air blast to the clothing of the opening roll; a control-and-regulating device to which the optical sensor system and the air stream generating device are connected for operating the air stream generating device upon detecting foreign material by the optical sensor system to remove and carry away the foreign material from the clothing of the opening roll by an air stream; and a collecting chamber for receiving the air stream carrying the foreign material.

Abstract: A fiber processing machine for forming a fiber lap from fiber tufts, includes a fiber feeding assembly which has a feed roll having a rotary axis; a carrier element extending adjacent and along the feed roll; and a feed tray array cooperating with the feed roll for drawing fiber material into a nip defined between the feed tray array and the feed roll and for discharging the fiber material from the nip. The feed tray array is composed of a series of individual feed trays lined up along the feed roll. Individual, separate rotary supports for mounting each feed tray on the carrier element provide for a pivotal motion of each feed tray in a plane generally perpendicular to the rotary axis of the feed roll.

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 processing machine for forming a fiber lap from fiber tufts includes a generally vertically oriented reserve chute, a generally vertically oriented feed chute having an inlet adjoining the outlet of the reserve chute, and a fiber feeding assembly drawing fiber from the reserve chute and advancing fiber into the feed chute. The fiber feeding assembly includes a generally horizontally oriented feed roll having a rotary axis extending parallel to the horizontal width of the reserve chute, and a feed tray array cooperating with the feed roll and being composed of a series of individual feed trays lined up along the feed roll and rotatable about an axis. Each feed tray defines a nip with the feed roll. Measuring elements are coupled to each feed tray for emitting signals representing an extent of excursion of the respective feed tray as the fiber material passes through the respective nip. A control and regulating device is connected to the measuring elements for receiving the signals therefrom.

Abstract: A feeding device for advancing fiber material includes a driven feed roll; a support element immovably held during operation and extending spaced from and generally parallel to the feed roll; and a feed tray assembly composed of a plurality of side-by-side positioned feed tray segments. Each feed tray segment is of a resilient material and has a first portion (end portion) immovably affixed to the support element and a movable, second portion having a surface oriented toward the feed roll and cooperating therewith for advancing the fiber material passing through a nip defined between the feed roll and each feed tray segment. The second portion of each feed tray segment is displaceable toward and away from the feed roll.

Abstract: Apparatus for forming a lap of stock fibers, in particular for continuously loading a textile machine such as a card, the apparatus comprising a feed chimney (4) which is open at its top and bottom ends (4a, 4b) and which is provided with an air exhaust opening (9) of given section or with a plurality of air exhaust openings distributed over a given section. The exhaust opening(s) (9) opening out directly into an expansion chamber (13). The air inside the expansion chamber is taken up by suction via a air manifold chamber (18a) which is designed to have low pressure established therein, and which communicates with the expansion chamber (13) via an air takeup slot (14) which extends substantially over the entire width l of the section of the exhaust opening(s) (9) or via a plurality of air takeup openings which are distributed substantially over the entire width l of the section of the exhaust opening(s) (9).

Abstract: The position of foreign matter in a bale pattern after its separation in a separating device (10) may be evaluated in that the relative position of the opening device (1) and the transport time of the fibers between the opening device (1) and the separating device (10) is determined in each relative position. Given a separating procedure, taking account of the mentioned variables, the position of the opening device (1) at the point in time of opening the foreign matter (28) is evaluated. The determined opening position of the foreign matter on the fiber bales (27) is stored as a signal and subsequently preferably graphically represented. The method permits conclusions on the degree of contamination of the fiber bales.

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: The present invention is directed to an electrolytically produced screening material for the removal of fibers from suspensions during the production of pulp and paper. The screening material is a thin, smooth metal foil having perforations on the order of 10-80 .mu.m. And an open area of 5% to 40%.

Abstract: A double-cylinder opener for staple fiber being pneumatically transported in an air stream, the two cylinders being parallel and mutually offset, the fibers passing firstly about the first cylinder and then about the second cylinder with spiral motion, the two cylinders forming two beaters of different action, which rotate at different velocities and are provided with different spike population densities.

Abstract: Seed cotton is carried by an airstream into an upright cleaning chamber. Dust and fine trash is carried off through a fine screen in the top of the chamber. The airstream carrying the seed cotton into the chamber will lack sufficient strength to carry the cotton to the fine screen through which the dust and fine trash is carried. The air is separated from the dust and fine trash in a cyclone separator. Larger trash is blown through or carried through a grid on the side of the chamber. The cotton falls to the bottom of the chamber and is carried off with a majority of the air. The fine trash and coarse trash are dropped into a conveyor to be removed.

Abstract: A fiber tuft feeding device for a fiber processing machine includes a fiber advancing member; and an extruded, light-metal feed tray defining, with the fiber advancing member, a nip between which the fiber tufts pass in a feed direction. The feed tray which has a length extending transversely to the feed direction, includes an elongated cavity extending along the tray length. An elongated element which is resistant to bending, is received in the cavity and is substantially coextensive therewith. The feeding device further includes a support for positioning the feed tray adjacent the fiber advancing member.

Abstract: A feeding device for advancing a fiber lap to a fiber processing machine includes a driven a feed roll and a feed tray cooperating with the feed roll and defining a nip therewith for advancing the fiber lap in a feed direction by a clamping effect exerted to the fiber lap in the nip by the feed roll and the feed tray. The feed tray has a working face oriented towards the feed roll and an outer face being opposite the working face. There is further provided a support arrangement for supporting the feed tray for displacements towards and away from the feed roll and a force-exerting member connected to the feed tray for urging the working face of the feed tray towards the feed roll.

Abstract: A fiber tuft feeder includes a reserve chute; a feed roll supported in the reserve chute at an outlet thereof; a countersupport cooperating with the feed roll for defining therewith a nip through which the feed roll draws fiber tufts from the reserve chute; an opening roll supported immediately downstream of the nip for receiving fiber tufts from the nip; and a feed chute having an inlet connected to the outlet of the reserve chute. A relative motion of the feed roll and the countersupport toward and away from one another is permitted for varying the distance between the feed roll and the countersupport by the fiber tufts passing therebetween. Further, a spring is provided which resiliently urges the feed roll and the countersupport towards one another.

Abstract: A process of and a feeding device for feeding material in fibre form to a machine for preparing the material for subsequent spinning includes a material feeding bin through which the material is continuously fed to a substantially horizontal feeding table situated approximate a rotary preparing roll. The horizontal feeding table and the approximate rotary preparing roll define an air gap therebetween. A feeder roll is located above the feeding table which conveys the material toward the air gap, and the feeding table is supported to move in a substantially radial direction relative to the rotary preparing roll under the influence of data detected by a detecting device which detects the impurity level of the material at a point upstream of the feeding table relative to the direction of fibre flow.

Abstract: An apparatus for opening and cleaning fiber material includes consecutively arranged first, second and third clothed rolls each having a clothing thereon. The second clothed roll cooperates with the first clothed roll as a doffer and opening roll and the third clothed roll cooperates with the second clothed roll as a doffer and opening roll. The centrifugal forces generated at peripheries of the clothed rolls increase from roll to roll from the first clothed roll. There is further provided a fiber feeder for advancing the fiber material towards the first clothed roll. Covers closely surround the respective first, second and third clothed rolls which have at least approximately identical diameters. Waste discharge openings are provided in the cover of each clothed roll, and a mote knife bounds each waste discharge opening.

Abstract: Apparatus for processing textile fibers is disclosed which includes a carding machine (14) and a batt former (A). Batt former (A) includes an air circulation loop which includes a plenum (B), fiber compacting chamber (C), air separating means (72, 74), acceleration channel (30), duct (46), and fan blower (54). Fan blower (54) has an adjustable angle of incidence "a"to direct a jet of fiber-laden air into plenum (B) against a splash plate (66) to cause fibers to be deposited in fiber compacting chamber (C) in a cross-directional profile so that fibers at side walls of the plenum may have increased residence time in the fiber compacting chamber compensating for side wall friction. A first separated air flow (5) is divided by side friction. A first separated air flow (5) is divided by side channels (92a, 92b) and combined with a second air flow (4) to form supercharged air flow regions at the sides of the air flow passing through acceleration channel (30).

Abstract: An apparatus for cleaning and opening fiber materials is disclosed having an intake roller (3) and an opening roller (5) wherein there is arranged between the intake roller and the opening roller (5) at least one intermediate roller (4) having a relatively small diameter and rotating at a high speed.

Abstract: Textile apparatus is disclosed for fine opening and cleaning textile fiber material. The apparatus includes a filling chamber (3) to which the fiber material is fed having a number of opening rollers (5, 6) in superposed arrangement forming a side of the filling chamber. The opening rollers are followed by a take-off roller (8) from which the fiber material is pneumatically carried away by a suction tube (31). A lower opening roller (6) is preceded by a supply roller (16) having a smaller diameter and rotating at a speed substantially slower than the opening rollers (5, 6).

Abstract: A system and method for cleaning and feeding textile fibers is disclosed wherein supply units (A) include a cleaning machine (B) fed by a batt forming machine (C) which includes a reserve chute (42) and a formation chute (44). The reserve chute and formation chute are partitioned whereby a serial flow of fiber laden air may be utilized to deliver fibers to a number of the supply units connected in series. Each supply unit (C) may feed a parallel line (10, 12, 14) of card machines (16). Each card machine (16) is fed by a vertical chute feed (18) to which a fiber delivery air flow is delivered from supply units (60, 62, 64). In this manner, a first fiber batt of uniform density across its width is fed to the cleaning machines. The fibers are more uniformly fed and separated to provide more uniform opening and cleaning of the fibers. The individual and cleaned fibers are fed to a vertical chute feed wherein a second fiber batt is formed for feeding to the textile cards.

Abstract: A chute feed having a vertically extending chute for collecting and densifying fiber therein, the chute being formed by a plurality of fixed, imperforate walls, and a perforated wall portion mounted adjacent the lower end of the chute for oscillating movement about a horizontal pivot shaft. Pressurized air is forced downwardly through the collected fibers in the chute and is discharged through the perforated wall portion, thereby densifying the fiber. The oscillating movement of the perforated wall portion results in the upper and lower ends thereof being alternately moved toward and away from the collected fiber to alternately compress such fibers and then release such fibers from the holding effect of the air passing through the perforated wall.

Abstract: A cotton ginning system embodying a lint cleaner in which the batt of cotton delivered to the lint cleaner is maintained at an optimum thickness even though the rate of ginning varies. The batt thickness is maintained by correlating the same with the rate of feed of seed cotton to the system. Controls are provided to assure that the batt remains at optimum thickness, and such optimum thickness is assured by sensing the rate of input of seed cotton to the system.

Abstract: A cotton ginning system embodying a lint cleaner and a process of operating the same in which the batt of cotton delivered to the lint cleaner is maintained at an optimum thickness even though the rate of ginning varies. The batt thickness is maintained by correlating the same with the rate of feed of seed cotton to the system. Controls are provided to assure that the batt remains at optimum thickness, and such optimum thickness is assured by sensing the rate of input of seed cotton to the system.

Abstract: A mechanism for eliminating impurities from fibrous material, in particular cotton, having at least two card-clothed rolls (22, 23) arranged after a feed mechanism and a screening drum (3) to which said fibrous material is fed by means of an airstream. A housing closely encloses the two card-clothed rolls. Interposed in the housing are separating openings including separating edges. One of said two card-clothing rolls (23) cooperating with the other of the two card-clothed rolls has a take-off and loosener roll for the fibrous material and the centrifugal forces at the circumference of the second card-clothed roll (23) being greater than at the first card-clothed roll (22). A third card-clothed roll is positioned in carding relation with the first card-clothed roll. Another take-off and loosener roll (52) is positioned for removing fibers from the third card-clothed roll (5).

Abstract: In opening and cleaning fibers an improved method to increase the proportion of usable fibers in processable textile fiber stock using a plurality of bale opening machines feeding fiber to a line of fiber cleaning and mixing machines, following which the fibers are fed to a plurality of carding machines. At least some of the machines settings are adjusted to remove a higher level of waste, including trash and good fiber, than would conventionally be acceptable. The waste from the machines is centrally collected and passed to a fiber retriever which removes good fibers to return them into the line of cleaning and mixing machines.

Abstract: The present invention consists of an apparatus and method whereby fibers such as cotton or otherwise are cleaned and carded prior to yarn formation to insure that the maximum quantity of fibers are utilized while removing substantially all non-lint from the fiber. Minimum fiber loss occurs while providing a sliver of excellent quality. The process herein includes the steps of carding the fibers whereby a portion of usable fibers, lint and other foreign matter are removed and are thereafter displaced to a condenser means. After condensing, the usable fibers which are still commingled with the waste are then extracted and recycled to the carding apparatus after blending with fresh stock in a uniform manner to provide a consistent blend for sliver formation or other uses.

Abstract: An apparatus for the opening-up and cleaning of cotton waste, especially strips, card fly and scutcher material and the like with a fiber material draw-in roller for feeding the fiber material to be cleaned to a saw tooth barrel the peripheral portion of which includes an opening-up section for opening-up the fiber material to be cleaned into individual fibers. When viewing the saw tooth barrel in its direction of rotation, the opening-up section is followed by a fiber material take-off roller rotatable in a direction counter to the direction of rotation of the saw tooth barrel. The apparatus furthermore includes a conduit having an inlet adjacent the peripheral surface of the saw tooth barrel for receiving fiber material therefrom and having an outlet for connection to a fiber material collecting container.

Abstract: A feed apparatus for a fibre layer on an opening roll of cards or spinning preparatory machines fed with the fibre layer, wherein a feeder plate together with a feed roll forms a clearance or gap extending from the entrance or mouth of the feeder plate. Immediately upstream of the feeder plate a presser member is arranged to be movable towards the feed roll into a position in which the fibre layer is compressed and at least to a distance essentially corresponding to the width of the clearance or gap at the entrance or mouth of the feeder plate.

Abstract: The breaking machine comprises a spiked drum mounted for rotation about a horizontal axis. A device feeds fibers to the drum. The feed device includes a horizontal roller of smaller diameter than that of the drum and is positioned laterally tangential to the drum. A device recycles insufficiently opened waste. A system forms the fibers into layers. A mechanism sharpens the spikes of the drum.

Abstract: An apparatus for removing impurities from fibrous material such as cotton comprising a first and second clothed driven roller with said second clothed driven roller being in fiber transfer relation with said first clothed roller. A rotating cylindrical cage is provided for receiving said fibrous material from said second clothed roller by means of an air stream flowing through a passage which tapers towards said cylindrical cage. A suction is applied to the interior of the cylindrical cage for drawing air through the periphery of the cage for removing impurities from the fibrous material passing therethrough. Passages are associated with said first and second clothed rollers and have separating edges provided therein for aiding in removing impurities from said fibrous material as it passes over said rollers.

Abstract: Fine opening mechanism for textile fibrous material which comprises a primary opening element such as a spiked beater roll and means for delivering a single undivided mass of textile fibers toward the primary opening element. A plurality of feed elements are located between the primary opening element and the feeding means, each of the feed elements forming a nip through which fibers are fed and presented to the primary opening element so that the mass of fibers are divided into a plurality of fibrous masses.

Abstract: A device for cleaning textile fiber flocks, comprising a conveyor band of a material that is penetrable by air, means for continuously feeding textile fiber flocks onto the upper run of the conveyor band and means for sucking air from below through the upper run when covered by a layer of the flocks, and a rotatable roller having elastically flexible leaves that protrude freely in radial directions and are substantially parallel to the axis of the roller, in proximity of the delivery end of the conveyor band and running in the same direction in which the upper band run moves, at such a high speed that the circumferential speed of the ends of the leaves is somewhat greater than that of the band, the roller being arranged in such a manner that the ends of the leaves strike, during their rotation, a point of the conveyor band that is not supported. A gap or interstice is provided between the roller and the conveyor band. The invention also provides optional, additional features for the cleaning device.