Abstract: A compact carding apparatus is disclosed which includes a pair of upstanding carding cylinders (B) and (C) carried in a self-standing manner on a base frame (260). Cylinder (C) is carried generally atop cylinder (B) by mounting plates (272, 274) which allow radial movement of cylinder (C) to yield to large lumps passing between the cylinders. A chute feed (10) and coiler (192) are uniquely combined with the compact arrangement in a minimum of space and in a mobile construction so as to permit movement of either the chute or coiler away for access to the apparatus. The compact upstanding arrangement provides for mounting of a number of carding elements mounted about the two cylinders which include stationary plates (40, 42, 44, 46) on cylinder (B); and revolving flat assembly (E) and stationary carding plates (96, 123) on cylinder (C). An extended fiber path (P) is defined about cylinders (B) and (C) along which a transferred fiber mass may be effectively exposed for carding on both of its sides.

Abstract: The cleaning apparatus has an air main mounted on a movable frame which can be brought against the side of a card. The air main includes a plurality of suction orifices which can be brought into registry with deformable air outlets at the side of the card which communicate via air lines with extraction stations of the card.

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: A compact carding apparatus is disclosed which includes a pair of upstanding carding cylinders (B) and (C) carried in a self-standing manner on a base frame (260). Cylinder (C) is carried generally atop cylinder (B) by mounting plates (272, 274) which allow radial movement of cylinder (C) to yield to large lumps passing between the cylinders. A chute feed (10) and coiler (192) are uniquely combined with the component arrangement in a minimum of space and in a mobile construction so as to permit movement of either the chute or coiler away for access to the apparatus. The compact upstanding arrangement provides for mounting of a number of carding elements mounted about the two cylinders which include stationary plates (40, 42, 44, 46) on cylinder (B); and revolving flat assembly (E) and stationary carding plates (96, 123) on cylinder (C). An extended fiber path (P) is defined about cylinders (B) and (C) along which a transferred fiber mass may be effectively exposed for carding on both of its sides.

Abstract: A carding machine includes a licker-in and a waste separator cooperating therewith. The waste separator includes first and second plates arranged consecutively along a periphery of the licker-in. The first and second plates are spaced from one another by a clearance constituting a waste outlet opening through which waste is discharged with the aid of a circumferential air stream generated by the rotation of the licker-in. The first and second plates each have a pivotally supported end for adjusting their angular position, whereby a radial distance from the periphery of the licker-in is varied for controlling the discharge of waste through the outlet opening. A nozzle is arranged at the licker-in at a location generally diametrically opposite the waste outlet opening. The nozzle has an outlet aperture merging into a space situated immediately radially outwardly of the periphery of the licker-in.

Abstract: A casing under vacuum located under the carding members has the suction at a position substantially central through an opening developing transversally and interesting almost the whole development of the working front; transversal clefts for the air inlet, at the two ends of the bottom wall of the casing itself, generate along the bottom wall two air blades converging towards the suction transversal opening.

Abstract: A carding machine includes a main cylinder having a direction of rotation, a licker-in cooperating with the main cylinder, travelling flats cooperating with the main cylinder, and a frontal end roller supporting the travelling flats. The end roller is situated above the licker-in at a distance therefrom as viewed circumferentially along the main cylinder. The distance has a mid-zone and two off-center zones flanking the mid-zone and adjoining the licker-in and the end roller, respectively. There is further provided a device for separating impurities from fiber material undergoing treatment by the main cylinder. The device has a knife blade supported at a small radial distance from the main cylinder and a plate supported at a small radial distance from the main cylinder and defining a gap with the knife blade. The gap is in the work zone of a suction chamber. The separating device is situated in one of the off-center zones.

Abstract: A fiber processing machine includes a rotary roller provided with a clothing and having a periphery; and a sepaating knife cooperating with the roller for separating waste from the fiber material entrained by the roller. The knife has a knife edge situated at an adjustable distance from the periphery of the roller. The separating knife is part of a separating knife assembly including an adjusting device for varying a position of the separating knife relative to the roller and for immobilizing the separating knife in a desired adjusted position; and a drive for operating the adjusting device.

Abstract: A textile comber drawbox shut-off and method are disclosed for terminating the supply of suction air to the drawbox during doffing. Suction air shut-off assemblies B are placed in suction lines 56 leading to vacuum cleaning nozzles 50, 52 of the drawback which clean coiler units A during drawing off of combed sliver 48. Pivotal flapper valves C are tied together by air cylinder D for simultaneous operation. In accordance with the method, upon a prescribed amount of sliver being deposited in cans 26, the comber and supply of suction air are stopped. Following doffing of the full cans, the comber is restarted and the supply of suction air remains shut off by closed valves C. After approximately 60 seconds, of high operation speed, the closure valves C are simultaneously actuated to once again establish suction air in drawbox enclosure 28 for cleaning.

Abstract: A multiple-card, so-called "tandem card" comprising, between the combing cylinder (doffer) of the first carding drum and the second carding drum, transfer means made up of doffing, carding and cleaning members which also arrange the fibres parallel to each other.

Abstract: A card includes a main carding cylinder having a direction of rotation, a doffer cooperating with the main carding cylinder and a waste separator situated above the doffer and adjacent the main carding cylinder. The waste separator includes a knife blade situated close to the main carding cylinder and being oriented in a direction opposite the direction of rotation, a plate situated at a small radial distance from the main carding cylinder and having an edge defining a gap with the knife blade and a casing defining a suction chamber shrouding the gap. The casing and the knife blade are formed of a single-piece component.

Abstract: A carding machine has a toothed takerin (4a) for taking fibre to be carded from a feed arrangement (3a) to a main carding cylinder (5a). The fibre is conveyed on the lower arc of the takerin, and a substantially rigid, flat plate (10) lies below the lower arc of the takerin. The plate extends across the full width of the takerin and terminates in a free edge facing into the direction of roation of the takerin and substantially parallel to the takerin axis. The free edge is spaced from the tips of the teeth on the takerin by a distance of not more than 5 mm, and the plate lies in a plane that makes an angle of from 75.degree. to 120.degree. to that radial plane of the takerin that intersects the free edge of the plate.

Abstract: Cotton burrs and other trash from a cotton gin are processed by first passing them over a small screen to remove sand and other fine material. Thereafter, the burrs and other trash are ground in a hammer mill. After grinding, the material passed along a large screen having about 3/8" opening. Substantially all the burrs and trash will pass through the screen except for cotton lint which will not. The burrs and trash, without the lint, is then sized by screening through screens with successively smaller openings. The burrs and trash of any one size is further separated by air classification. The resulting product is a combination of three geometric shapes, fibers, flakes, and granules. The resulting product is a lignocellulose product having softwood lignin precursors.

Abstract: A cotton gin lint cleaner includes a rotating saw cylinder. A continuous layer of lint cotton is fed along the cylinder by feed works. The layer is seated in and moved downstream by saw teeth on the cylinder. Foreign matter is loosened from the layer as it is moved beneath grid bars spaced along the cylinder surface. A combing bar downstream of the grid bars with teeth opposed and proximate the saw teeth further cleans the cotton layer.

Abstract: Apparatus for removing excess fibers from the doffer of a sliver high pile fabric knitting machine and returning the fibers to the main cylinder for refeeding to the doffer. During the return of the fibers to the main cylinder, they are combed and aligned into a thin uniform film of parallel fibers for uniform redistribution on the main cylinder and uniform mixture with fresh, incoming fibers fed to the main cylinder by the sliver feed elements. The invention includes pneumatic suction for drawing fibers from the doffer into a substantially closed suction chamber, a flat perforated filter sheet fixed within the chamber to separate the fibers from the air currents in the chamber and a rubber covered sealing roll permitting the fibers to be discharged from the chamber to the ambient atmosphere without impairing the integrity of the vacuum in the chamber.

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: In a carding apparatus, a precarding area is provided with two lickerin cylinders having a nip area between them in which is disposed a dihedric body having an edge projecting toward the nip between the cylinders which controls the passage and transfers of the fibers from one cylinder to the adjacent cylinder while removing short staple fibers and other impurities from the web; the body is pivotally mounted to provide a clearance between its inner surface and the surface of the second cylinder through which the impurities pass to be discarded from the carding device.

Abstract: Apparatus and method for removing excess fibers from the doffer of a sliver high pile fabric knitting machine and returning the fibers to the main cylinder for refeeding to the doffer. Upon the return of the fibers to the main cylinder, they are combed and aligned into a uniform layer of parallel fibers for uniform redistribution on the main cylinder and uniform mixture with fresh, incoming fibers fed by the sliver feed elements. The invention includes pneumatic suction for drawing fibers from the doffer into a substantially closed suction chamber, a rotatable filter roll within the chamber, which separates the air and the fibers and discharges the fibers from the chamber, and a sealing roll permitting the fibers to be discharged from the chamber without impairing the integrity of the vacuum therein. Fiber feeding elements composed of a rotatable wire-covered fiber return feed roll and a cooperating fiber feed plate return the recovered fibers to the main cylinder.

Abstract: An apparatus for removing waste from a card has a circulating perforated component supported spaced from the licker-in in the lower zone thereof; a vacuum generator connected with the inside of the perforated component for drawing air through the perforated component; and a connecting chamber extending from an opening in the lower zone of the licker-in to the perforated component for providing a passage of air and waste drawn by the vacuum.

Abstract: Carding apparatus and method is disclosed wherein a plurality of lickerin rolls are provided for use with a combination card screen and plenum providing trash removal points so spaced as to provide, together with multiple carding locations, more even carding with less broken fibers and improved trash removal.

Abstract: Apparatus for separating impurities from fiber material, composed of: a cylinder provided on its circumference with clothing and connected to be rotated in a selected direction for gripping and transporting fiber material, a feed device disposed for feeding fiber material containing impurities to the cylinder, the feed device cooperating with the cylinder to define a feed path presenting a constriction at the location of the cylinder, a blocking element disposed in the path at the location of the constriction opposite the cylinder, and elements for delivering a stream of air and filter material along the path toward the constriction to be intercepted by the blocking element, while the cylinder is rotating, for causing the fiber material to be gripped by the clothing, and causing the air and impurities removed from the fiber material to flow through the blocking element and to be carried off from the region of the constriction.

Abstract: An apparatus to extract cotton dust from the high velocity discharge of a cotton cleaning device is disclosed. Means for reduction and removal of fine trash and dust from cotton fiber is provided. At the high velocity discharge exit is placed a perforated cylinder rotating about an open-end stationary tube with an opening across its width. Fine trash and dust pass through perforations into a low pressure area inside the stationary tube and are discharged through a blower or suction source. Means to remove the cotton fiber to an intake duct from the cleaning device is provided as well as internal and adjustable external baffles.

Abstract: The drawing illustrates a card screen comprising a fiber cleaning assembly positionable adjacent a lickerin roll of a carding machine. The fiber cleaning system has a number of spaced segments conforming generally to the configuration of the lickerin roll with fastening means for removably securing the spaced segments for varying the angular, as well as the proximity settings between the segments and the lickerin roll. The settings may also be varied between segments. A number of depending baffles are removably mounted beneath the spaced screen segments for controlling air flow and increasing waste extraction through the lickerin.

Abstract: An arrangement of flat-fittings in a cotton carding machine for removing dust, husks and neps from cotton supplied to the carding cylinder fittings includes a gap extending the whole length of the flat-fittings, located in the middle portion of the surface of this fitting, facing towards the cylinder fitting, extending in a forward and outward direction with respect to the forward travel direction of the flat-fittings and in communication with free air via a dust-catching device. The dust-catching device includes a chamber which communicates with the gap and communicates with the free air through at least one opening which is covered by a filter.

Abstract: Apparatus for removing waste from below machinery, for example a carding engine (1), a receiving member (3) covers the area beneath the machinery and suction means (5) extends across the full width of the receiving member at one end thereof. Guide means (9) is positioned adjacent to the other end of the receiving member and extends the full width thereof. A traveller (11) is mounted for movement along the guide means and carries a nozzle (13) directed towards the receiving member. The traveller can be reciprocated along the guide means with compressed air supplied to the nozzle during each movement to direct waste matter from the receiving member into the suction means.

Abstract: The dirt separator for carding machines is located upstream of the doffer cylinder and comprises a knife blade (16) as well as a foot portion or base plate that is provided with a toothed wire clothing (19), which is arranged with a clearance of about 0.25 mm from the main drum of the carding machine. The knife blade (16) is preceeded by a gap (27), which is in fluid flow communication with a suction duct (24).

Abstract: The apparatus in accordance with the present invention comprises a fiber preparatory unit having means for opening the material and regulating the type of wad which is to form the mattress. Also included are means for the recovery and recycling of the excess material and one or more units for the formation and preparation of the wad mattresses with means for the regulated retrieval of the material from the preparatory unit. Means for the distribution of the material within the unit itself with the regulation of the type of mattress to be produced by each unit also comprise part of this invention.

Abstract: For separating waste from a fiber-and-waste mixture in a textile machine, the mixture is tangentially thrown from a rotating roll by centrifugal force. An air flow is directed onto the traveling particles of the mixture such that fibers are returned to the roll, while the waste particles are allowed to continue their travel. Subsequently, the waste particles are removed by suction.

Abstract: A fiber processing machine has rotary components, a shroud surrounding the components at least laterally and from above, a suction apparatus including at least one suction head situated in the space surrounded by the shroud for drawing away, by means of an air stream, fiber waste released during operation of the machine. There is provided at least one blower head which is located between the rotary components and the shroud for introducing pressurized air into the space surrounded by the shroud.

Abstract: An improved cleaner-opener-comber device for cleaning, opening and combing a fibrous web in a combing machine. The device includes a first and second taker-in mounted on the machine for rotation in a first direction and separated by a separation member. A larger diameter cylindrical drum is cooperatively disposed with respect to the first and second taker-ins for rotation in a direction opposite to the direction of rotation of the first and second takers-in. A plurality of plates having prongs slanted in the direction opposite to the direction of rotation of the cylindrical drum are selectively adjustably mounted proximate the cylindrical drum and allows the fibrous web to pass between the plates and the cylindrical drum for enhanced cleaning, opening and combing of the fibrous web.

Abstract: Flat cleaning system for a card equipped with a set of revolving flats, in which the flats (12) consist of a T-shaped profile, and in which, by temporary sealing, of the room between the webs 18, 18a of two neighboring flats (12,12a) using a sealing element 30, a longitudinal duct is formed, in which duct an air stream is generated. By this air stream, any fly waste accumulated on the back side of, and between the flats 12, 12a is eliminated. The air stream in the duct, generated by lateral suction, cleans any fly waste and dust particles accumulated in the duct out of the duct, only low energy suction being required.

Abstract: The converging space between the moving-in or inbound surface of a loosening roll and the surface of a feed roll contains a suction duct, which is brought into close vicinity of the fibre loosening zone located between the two rolls, and which is used for sucking off of dust released in this zone. The suction duct is supported by the body forming the fibre feeder trough. Detrimental deposits of impurities in the subsequent processes, e.g. in the open-end spinning rotors, thus are greatly reduced.

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: The present disclosure relates to a method and apparatus for separating trash from irregularly-shaped clusters of material containing trash, fiber motes, and cotton lint. The apparatus comprises a rotatable drum encircled by a screen. The drum contains a plurality of finger-shaped baffles preferably arranged in two rows disposed 180.degree. apart on the inner periphery of the drum. As material is delivered to the rotating drum, the finger-shaped baffles lift and tumble the clusters of material and pull the material apart to separate the heavy trash. The heavy trash drops through the screen and is removed by a conveyor. The fiber motes and cotton lint, along with smaller trash, are retained within the rotating drum and removed at an outlet end of the drum.

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: 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: A carding apparatus is illustrated wherein trash removal means is provided utilizing a carding flat means together with a first plate carried for vertical adjustment relative to the flat means for varying the setting between the plate and a clothed carding cylinder. A second plate has means for setting a surface thereof in close proximity to the surface of the clothed cylinder. A relatively wide setting is provided for the first plate and a slot is formed by the first and second plates which will be self-expelling of trash, short fibers and the like by reason of such wide setting of the first plate followed by the close setting of the second plate acting as an air barrier upon the opened fibers carded by the carding flat means. A suction plenum provides a system of removing a large part of the already expelled trash so as to greatly improve the carding operation while minimizing loss of desirable longer fibers.

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: A total fiber recovery method and apparatus are disclosed which will recover substantially all of the usable fiber contained in discarded waste material comprising a mixture of fibers, motes and trash. The method consists of conveying the input material into a cleaner and opener which rejects a large portion of the heavy trash and motes. The remaining fiber is transported into a lint cleaner which drops out more motes and smaller trash. From there the partially cleaned fiber is transported to a first cleaner and carder which will clean and orient the fiber. The trash and motes rejected by the cleaner and opener, the lint cleaner, and the first cleaner and carder are collected and cleaned in a drum screen cleaner to remove the heavy trash. The partially cleaned fiber is then transported into a carder and opener where the fibers, including the motes, are fully opened. The opened fiber is then transported to a second cleaner and carder for cleaning and orienting.

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: A control valve arrangement implementing the use of pneumatic valves to control air flow for textile machinery blowdown, and the remote control of such pneumatic valves by means of remotely located solenoid valves. In air flow systems employing pneumatic valves of the type having a constrictable flexible annulus arranged within a rigid conduit with air under pressure selectively admissible to a space between the annulus and the surrounding conduit wall so as to effect constriction of the annulus to close off the passage through the conduit, solenoid actuated control valves have conventionally been employed to control the flow of fluid to said space between annulus and conduit to effect annulus constriction. Where these solenoid actuated control valves are located at control points which are remote from the pneumatic valve, it is found that the release of the annulus constricting air pressure is delayed due to the time delay between solenoid actuation and pressure change at the remote pneumatic valve.

Abstract: A grout-like material of a type which is initially liquid is poured or floated into the chamber beneath the cylindrical elements of conventional carding machines, or other textile machines which generate quantities of waste thereunder, to a desired level greater in depth than the largest crack between the carding machine frame and the surface on which it rests, so that the grout fills and covers all the cracks around the bottom of the frame. Upon drying the grout material adheres to the surface on which the card frame rests and the side walls of the frame and essentially seals the area beneath the machine as well as forming a slick surface over which lint and dust may be more easily moved by pneumatic undercard cleaning systems. Such a floor construction eliminates burrs or other areas where tags and lint might accumulate. If desired, the grout may be covered with a slick finish or outer coating, such as a urethane or acrylic type floor coating to provide an even smoother finish.

Abstract: A carding machine waste remover includes a continuously evacuated chamber containing an adjustably movable array of parallel bars immediately adjacent the surface of revolution of a rotating card cylinder. The bars are each parallel to and equidistantly spaced from the card cylinder axis of rotation. Each bar is of triangular cross section and extends along the length of the card cylinder. One edge of each triangular bar is positioned as a knife edge for stripping small particles of cotton leaf and stem or the like from the outer surface of the cotton fiber web wrapped around the card cylinder. The waste remover is located immediately above the interface area of the card cylinder and its associated doffer cylinder. The array of parallel bars is adjustably mounted between a pair of trunnions each located at respective distal ends of a pair of parallel arms having their other ends pivotally mounted to the carding machine frame.

Abstract: A textile card cleaning apparatus is provided which comprises a plurality of suction hoods disposed within the arcuate chamber defined by the continuous belt of flats disposed above the main cylinder of a textile card. The plurality of suction hoods is adapted so as to draw cotton dust and lint both from the arcuate chamber wherein they reside and up between the flats from the working space between the main cylinder of the textile card and the lower operative run of flats adjacent thereto. The cotton dust and lint is then drawn off to a remote location by suction means fluidly communicating with the plurality of suction hoods.

Abstract: An air current is caused to sweep through the chamber beneath a carding machine from one end to the other by means of a suction plenum beneath the lickerin end of the machine and an air inlet beneath the doffer end of the machine through which air enters and is conveyed toward the suction plenum. One or more baffles extending across the width of the area beneath the carding elements extend down in close proximity to the floor causing the air to pass closely adjacent the floor, rather than to drift up into the upper areas of the chamber. One of the aforementioned baffles is adjustably positioned in air deflecting arrangement with the aforementioned inlet to divert the incoming air currents immediately to the floor. The suction plenum is so connected with a source of negative pressure as to cause an air flow rate of at least 360 cfm through the inlet to the suction plenum.

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: 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: A carding machine cleaning apparatus is illustrated wherein an elongated plenum, open at both ends, is positionable between a closure member on one side of a carding machine and a suction housing having an opening therein on the other side in such a manner that the suction is automatically disconnected by moving the plenum out of alignment with the closure and suction housing opening and re-established by returning the plenum to position between the closure and the suction housing. The cleaning apparatus is especially useful when aligned above a number of transverse carding rolls of a carding apparatus so that each respective housing is removable for inspection of a portion of the carding apparatus.

Abstract: A vacuuming device for carding equipment for cleaning the revolving flats in which a vacuuming box is located between a licker-in and the adjacent flats deflection roller. The vacuuming box is enclosed on all sides. The region of the flats deflection roller on the inside of the revolving flats, accommodates a guide element for diverting dust-laden air in the direction of at least one intake opening in the vacuuming box. This intake opening is associated with the revolving flats. The guide element may be made hollow to receive dust-laden air, and may be connected in a sealing manner with the revolving flats. The vacuuming box may have two intake openings which are placed so that one of these openings always faces an open gap between the revolving flats. The intake openings may be in the form of slots extending throughout the width of the card. A layer for sealing off the revolving flats, may be made of soft material and may be located on the vacuuming box in front of the intake openings.

Abstract: The air used in the various operations of a general textile machine is cleaned prior to being returned to the factory space containing the machine by two sequential mechanisms, the first of which is a fiber separator which removes from the air relatively large contaminants such as fibers, pieces of thread, etc., and which transports these remnants to an outlet trap via a rotating conveyor screw. The second mechanism is a dust separator including at least one dust filter bag through which air is forced to pass inwardly, thereby trapping airborne dust on the surfaces of the filter. The accumulated dust on the filter is removed by periodic application of compressed air to the interior of the dust filter bag.