Abstract: A plant structure having three floors with first and second ring spinning apparatuses located on the first floor and with vertical sliver feed tubes extending from the first and second ring spinning apparatuses respectively to the second floor for feeding a sliver through the sliver feed tube to the first ring spinning apparatus and to the third floor for feeding sliver from a can thereof to said second ring spinning apparatus. Each of the sliver feed tubes is provided with a fitting, including a slide section extending at an obtuse angle to the tubes, such that sliver strands descend through the tubes and through the associated fittings before they are fed into associated ring spinning machines.

Abstract: A package changing system for supplying or discharging loaded bobbins or packages to or empty bobbin or packages from a machine frame, the package changing system comprising a conveyance unit for supplying and discharging the bobbins or packages and including a first rail for moving the conveyance unit in a horizontal direction relative to the machine frame and second guide rails moving together with the conveyance unit in a vertical direction relative to the machine frame, the first and second guide rails moving the conveyance unit to predetermined positions on the machine frame.

Abstract: A yarn draw-off device for use with a spinning machine includes a pressure roller and a rotatably driven draw-off shaft. The pressure roller is in contact with the draw-off shaft and is rotatably driven by the shaft. An adjustable mounting device is provided for the pressure roller. The pressure roller is rotatably mounted on the mounting device. The mounting device is selectively movable relative to the draw-off shaft so as to vary the contact pressure between the pressure roller and the draw-off shaft.

Abstract: A method of servicing the individual winding stations of a multi-station winding machine, and wherein a plurality of identically equipped service carts is provided in a parking track, and such that upon receiving a call signal, each service cart may be moved from the parking track and along a service track and to the winding station which issued the call. The cart is then adapted to service the winding station, such as by doffing full yarn packages. The cart then may be moved to a transfer position where the full packages are received from the service cart for packing, or transport to a further processing machine.

Abstract: Doffer system for a textile machine, in particular for a multiposition textile machine, comprising a guiding device (3, 4, 5), which is arranged in front of and above a machine front, a transport unit (14) traveling along the guiding device (3, 4, 5), a hoisting device (17, 19) which allows to lower and raise the carrying frame (20), and at least one receiving mandrel (23, 24) which is arranged on the carrying frame (20) horizontally extending therefrom.

Abstract: An assembly for transporting empty tubes and cops in a ring-spinning machine. Driven conveyor belts are disposed alongside rows of spindles disposed on both sides of the ring-spinning machine. The conveyor belts are driven for delivering empty tubes to and removing cops from the spindles, and the conveyor belts have openings formed therein at a mutual spacing approximately corresponding to half the given spindle spacing for securing arbors for alternatingly supporting empty tubes and cops. Instead of the arbors, however, at least every other opening supports a driver which engages one of a plurality of caddies at an indentation formed in a support surface thereof and entrains it along the conveyor belt. Each of the caddies carry an arbor for an empty tube and for a cop. The caddies have a length which is less than the given spindle spacing. Guide tracks extend along the conveyor belts and they guide the caddies along the conveyor belts.

Abstract: In a ring-spinning machine having a frame and a spindle bank holding a row of bobbins, a bobbin-changing apparatus has a gripper beam engageable with the bobbins of the spindle banks and movable between an upper and a lower position and a scissor linkage pivoted on the frame and on the gripper beam extendable for raising the beam and collapsible for lowering the beam. The linkage has a pair of arms both of which have lower ends, one of which is long and has an upper end pivoted on the beam and the other of which is short and has an upper end pivoted on the long arm below the beam. One of the lower ends is pivoted on and fixed against longitudinal movement on an abutment. A guide is longitudinally displaceable on the frame and the other lower end is pivoted on it. A spring-biasing unit exerts torque on one of the ends of one of the arms for upwardly biasing the beam at least in the lower position of the beam.

Abstract: A sliver piecing machine which can decrease the time of the sliver piecing work and which permits replacement of an empty can row by a full sliver can row between the work of cutting the spun sliver and the subsequent sliver piecing work. The sliver piecing machine is moved along traveling rails placed above the can rows. A housing of the sliver piecing machine has a sliver cutting device and a sliver piecing device which are respectively provided on the front and rear sides in the direction of movement of the sliver piecing machine along the traveling rails. The sliver piecing machine performs only the sliver cutting work in the forward movement thereof, and only the sliver piecing work in the backward movement. After the sliver cutting work, the empty can row is replaced by the full can row, and the sliver piecing work is then performed.

Abstract: A sliver piecing unit 80 includes three sets of separable rollers 804 and 844, 806 and 846, and 808 and 848 for nipping a sliver S1 fed from a consumed can to a spinning machine. A throttling nozzle 870 is arranged between the second and third sets of rollers 806 and 846, and 808 and 848. The draft ratio between the first and second sets of rollers 804 and 844, and 806 and 846 can be varied between 1.0 and 2.0. A sliver feed unit 70 includes a separable first and second roller 702a and 702b for feeding a sliver S2 from a full can to the piecing unit 80 so that the slivers S1 and S2 are combined. The draft ratio between the first and second sets of rollers 804 and 844, and 806 and 846 is controlled to obtain combined slivers of a thickness corresponding to that of a single sliver. A nipping belt 884 and nipping roller 886 are provided at the outlet from the third set of the rollers 808 and 804 for obtaining a rubbing movement in the combined slivers.

Abstract: In a flyer frame, when the flyers are oriented transverse to the plane of their axes, segments of a track are linearly or angularly inserted through the spaces between the flyer arms to guide the trolleys of the carriages suspended from the resulting track adapted to take up the full bobbins and deliver the empty bobbin cores.

Abstract: A transport vehicle transports a plurality of sliver cans between a can delivery station, work stations of a sliver processing textile machine, and a discharge station for empty cans along a given travel direction. The vehicle includes an undercarriage with a plurality of can parking places for the sliver cans. A plurality of can exchange mechanisms are provided, one for each can parking place. Each exchange mechanism includes a carriage supporting a respective one of the sliver cans. The carriage is slidable on the under-carriage transversly to the travel direction of the transport vehicle. A motor slidingly drives each of the carriages on the undercarriage. A can manipulating device, which is operatively associated with each of the carriages, displaces the sliver cans, setting them down and receiving them on a respective one of the carriages.

Abstract: A system in which a plurality of spinning frames and a plurality of winders are connected by a common bobbin conveying passage, a circulating passage having a bobbin sensor is provided on a spinning bobbin supplying passage from the bobbin conveying passage to the winders, and a stopper is provided at an inlet of the circulating passage, the stopper being adapted to stop receiving bobbins when the number of passing bobbins per a predetermined time detected by the bobbin sensor exceeds a set value.

Abstract: An automatic bobbin winder having a plurality of transport loops which have partially common transport tracks for bobbins is improved by the present invention wherein an electronic memory device is associated with the respective textile bobbin, as a carrier of product information. A monitoring apparatus for monitoring the success of the preparation of returned textile bobbins is provided at a first preparation device and is connected with a writing device for writing in the successful preparation into the memory device. A communication device for reading the information written in as the acknowledgement of successful preparation is provided at a second preparation device for textile bobbins to be fed to the bobbin winder. The communication device is connected with a control apparatus for the start-up of the second preparation device in the absence of the information acknowledging the successful preparation at the first preparation device.

Abstract: A stiff mounting unit is formed by a pair of longitudinal main girders and support bars for a two sided spinning or twisting machine frame. Bridge pieces are connected to these bars and girders. The support rollers and pressing rollers of the drafting or feed units are mounted on the bars.

Abstract: In the case of a spinning machine comprising several spinning stations, which each contain one drafting unit, and comprising depositing sites for cans containing sliver, transport devices are provided for the transporting of the delivers from the cans to the spinning stations. The transport devices comprise delivery rollers which can be stopped independently of the delivery rollers of other spinning stations and independently of the pertaining drafting unit.

Abstract: A plant structure having three floors with first and second ringless spinning apparatuses located on the first floor and with vertical sliver feed tubes extending from the first and second ringless spinning apparatuses respectively to the second floor for feeding a sliver through the sliver feed tube to the first ringless spinning apparatus and to the third floor for feeding sliver from a can thereof to said second ringless spinning apparatus.

Abstract: In a system for feeding slivers from an aging room to a spinning frame room through tubes, a simple method is proposed, capable of maintaining a moisture content of sliver at a predetermined value even though the meandering state of sliver in the tube varies in accordance with the change of the operational conditions. A spinning frame room (1) and a sliver-aging room (5) are respectively provided on the first and second floors so that a sliver (8) is fed, through a tube (10) communicating both the rooms with each other, into a drafting mechanism (3) of a spinning frame installed in the spinning frame room (1). Air pressure in the aging room (5) is controlled to be higher than that in the spinning frame room (1) so that a downward air stream always generates in the tube (10) from the aging room (5) to the spinning frame room (1). An air-through aperture (9) with a damper (11) for adjusting an opening degree thereof is provided between the aging room (5) and the spinning frame room (1).

Abstract: A device and method are provided for bobbin evacuation on a movable conveyor belt. The invention particularly concerns a process for automatic evacuation of wound-up bobbins in a spinning, winding or twisting machine equipped with work stations on both sides, on a movable conveyor belt which is installed in the longitudinal center of the machine, whereby the bobbins can be replaced randomly. A device is described to carry out the process. It is a characteristic of the invention that the conveyor belt moves at a continuous speed and in that the state of occupancy of the conveyor belt is stored in a computer, whereby the automatic travelling carriage at the spinning station finds the location which is free at the moment through the computer during bobbin replacement and whereby the automatic travelling carriage deposits the bobbin on the continuously moving conveyor belt when the signal is given that the location is free.

Abstract: A system in which a plurality of spinning frames and a plurality of winders are connected by a common bobbin conveying passage, a circulating passage having a bobbin sensor is provided on a spinning bobbin supplying passage from the bobbin conveying passage to the winders, and a stopper is provided at an inlet of the circulating passage, the stopper being adapted to stop receiving bobbins when the number of passing bobbins per a predetermined time detected by the bobbin sensor exceeds a set value.

Abstract: In a method and apparatus for supplying sliver cans to an automatic spinning machine and removing empty sliver cans from spinning stations of the automatic spinning machine, a can transport carriage to be driven between the automatic spinning machine and a can delivery station or empty can receiving station has can parking places for a can supply. An empty can below a spinning station is removed, placed on a free parking place, and replaced with a filled can from the can supply which is placed under the spinning station, all through the use of an automatic can changer. Two associated sliver cans are placed in succession forming two successive rows of front and rear sliver cans for supplying two adjacent spinning stations with sliver. Two free parking places are maintained for sliver cans on the can transport carriage.

Abstract: In a cigarette filter rod manufacturing plant at least one tow bale (6; 108) is located in a position remote from the corresponding tow opening machine (2; 100) and a conveying system (10; 112) is provided for transporting the tow to the machine. In a preferred arrangement the conveying system comprises a pneumatic duct (10) in which the tow is conveyed with the assistance of air movers (12). Removing the tow bales from the vicinity of the machines, preferably to a common area, allows flexibility in laying out a production floor and provides easy access for replacement of the bales.

Abstract: A device for sequentially loading tubes in a spinning machine wherein the tubes are fed by a tube orientating device. The device disclosed includes a duct for guiding the fall of the tubes and provided at its lower end with a shutter which loads one tube at a time onto the pegs of the spinning machine doffing belt by withdrawing it from a stack of tubes accumulated within the duct to form a buffer stock.

Abstract: A method of handling the tube and cop supporting pallets in a textile winder during batch changing operations, by which, at the end of a batch, the pallets are maintained in the transport system of the winder and are conveyed from the tube return path to the cop supply path. First, the winding operation is stopped, a selected winding station at one end of the distribution segment is evacuated to facilitate clearing therethrough of the distribution segment and, subsequently, the other winding stations are successively evacuated to release the pallets held in their respective unwinding and backup positions. Downstream along the tube return path, the cops or tubes are removed from all approaching pallets, regardless of whether they still carry any yarn.

Abstract: In the case of a spinning machine comprising several spinning stations for the spinning of slivers fed in cans into yarns, drivable transport belts are provided which transport the slivers between the cans and the spinning stations. When bridging differences in height with respect to the horizontal line, the transport belts are arranged in such a sloped manner that the slivers rest on the transport belts because of their own weight. Lateral coverings against damaging air flows are preferably assigned to the transport belts.

Abstract: An apparatus for supplying the spinning machine with feed material includes a transport unit being movable along the spinning machine for advancing feed material produced by a production machine upstream of the textile machine to a region of the spinning stations. The transport unit has at least one pusher for transferring the feed material in the form of a transport-containerless bunch, to the feed stations.

Abstract: A method for automatic silver can exchange operations includes the transport of full sliver cans on a sliver can transport carriage to and between the spinning stations of a textile spinning machine and is particularly suitable for the exchange of sliver cans at spinning stations of the type having a back row position for supporting a sliver can and a front row position for supporting another sliver can. In a situation in which sliver is still being drawn from the frontmost sliver can while the backmost sliver can is empty, the method includes the step of initially transferring the running sliver can to the transport carriage, positioning a can support on the transport carriage for receipt of the empty backmost sliver can, and transfer of the empty backmost sliver can. Thereafter, the method includes the step of indexing movement of a full sliver can on the transport carriage to position the can for subsequent transfer to the back row position of the spinning station.

Abstract: A conveyor system for carrying various kinds of bobbins which can easily and reliably discriminate a wrong combination of a tray with a specific mark and a color bobbin of specific color, wherein a spinning bobbin wound on a color bobbin of specific color is inserted on a tray having a specific mark; the tray having the specific mark is selected by a tray selector from a main conveyor line on which two or more kinds of trays are transported together, being distributed to delivery lines and of specific winding unit groups. In the delivery lines, color sensors are mounted for discriminating color bobbins of specific color.

Abstract: For the simplest possible alterations and only a minimal structure change in a roving frame, on a roving frame one, full bobbins and empty sleeves are transversed to and from a suspension carriage train guided through the flyers on a guide path formed by the flyers into the change position. For this purpose under the heads of the flyers and/or under the flyer bank of the roving frame guide bodies are arranged to provide a guide path for the suspension carriage train along the longitudinal axis of the roving frame in especially transverse positions of the flyers.

Abstract: In the case of a spinning machine for the spinning of yarns from slivers with a can feeding, the slivers are transported from the cans to the spinning stations by a belt which is provided with holding elements which hold the sliver on its surface. The holding elements may comprise surfaces which guide the sliver laterally by a frictional engagement or may have devices so that the sliver adheres with its supporting surface to the belt. Advantageously, two slivers are transported by one belt.

Abstract: A conveyor-storage system for moving bobbins in a spinning plant between a fly frame, a ring-spinning frame, and a bobbin cleaner has an annular track having a first section extending from the fly frame to the ring-spinning frame, a second section extending from the ring-spinning frame to the cleaner, and a third section extending from the cleaner to the fly frame. A single large-capacity storage area immediately adjacent the track has respective first, second, and third feed tracks extending to the respective track sections. Respective first, second, and third three-point intersections connect each feed track with the respective track section for two-way movement of bobbins between each feed track and the respective track section.

Abstract: In the case of a spinning machine with several spinning stations, which each comprise a drafting unit, and with depositing sites for cans containing sliver, transport devices are provided for transporting the slivers from the cans to the drafting units. The transport devices as well as the drafting units comprise devices which can interrupt the transport of an individual sliver.

Abstract: In the case of a spinning machine with spinning stations preferably arranged on both sides of the machine, depositing sites for several rows of cans containing the sliver to be spun are assigned to each side of the machine while leaving an aisle. In a roof-type manner, transport devices extend over the operating aisle by means of which the slivers are taken out of the cans and are fed to the spinning stations. The transport devices have two transport sections respectively which are connected with one another by way of a deflecting guide.

Abstract: An apparatus for transporting full sliver cans to the spinning stations of a textile spinning machine for can exchange operations thereat during which empty sliver cans are exchanged for full sliver cans. The apparatus includes a can transport carriage having three can supports at equal angular spacings from one another relative to a vertical axis and a device for indexing movement of the three can supports to sequentially position each can support at a can transfer location at which a can is transferred between the can transport carriage and the textile spinning machine. Each can support is sequentially indexed to a standby location from the can transfer location and, thereafter, to a ready location from which the can support is indexed into the can transfer location. The can transfer and ready locations are arranged such that two sliver cans supported at these locations are substantially aligned in the direction of travel of the can transport carriage.

Abstract: In a process for exchanging blocks of cans on a spinning machine, it is provided that the exchanging of the cans is carried out when the spinning operation is interrupted. During or after the removal of all cans spun empty, the depositing sites, row by row, are supplied with full cans. Subsequently, the spinning stations belonging to these depositing sites are prepared, row by row, for the withdrawal of the slivers from these supplied cans, in which case maximally two rows of depositing sites are charged and the pertaining spinning stations are prepared before the next maximally two rows of depositing sites are charged.

Abstract: In the case of a spinning machine having spinning stations arranged on one side of the machine and having depositing sites for cans containing the fiber material to be spun provided on the other side of the machine, devices are provided for the withdrawal and feeding of the slivers which have drivable guiding belts which extend from an area above the depositing sites to the area of the spinning stations.

Abstract: A winder-to-double twister connecting system, which comprises a yarn end picking device for picking out a yarn end from a package set on a tray, a package lifter for inserting a two-piled empty bobbin mounting adapter received from an overhead conveyor, into the tray on a circulating conveyor line, and for transferring the two-piled package mounting adapter to the overhead conveyor; a bobbin mover for pulling off, from an adapter, an empty bobbin coming on the circulating conveyor line; a package loader for taking up the package with the yarn end picked out from the tray and mounting the package to the adapter; and a bobbin stripper for removing remaining yarn from the empty bobbin received from the bobbin mover.

Abstract: A method and apparatus for synchronously piecing rovings applied to a ring spinning frame in combination with a system of transporting roving bobbins by a bobbin carriage between a roving room and a spinning room, wherein rovings supplied from corresponding bobbins of a bobbin carriage in a creel portion of the ring spinning frame are synchronously pieced with corresponding supplemental rovings taken from respective full packaged roving bobbins held by another bobbin carriage in the creel portion of the ring spinning frame.

Abstract: A tube transport assembly is provided for a textile machine system in which tubes having yarn or the like wound thereon are transported to, and empty tubes are transported from, a textile machine. Two different transport apparatus are each operable to transport a different kind of tube support member along a respective endless transport path. In one aspect of the present invention, an alternating positioning device alternately positions the two types of tube support members and a tube transfer device is operable to transfer the tubes and full yarn packages from the type of tube support members on which they are initially supported to the other type of tube support members. In one embodiment of the tube transport assembly, the alternating positioning device is a rotatable annular disk having a plurality of tube support member retaining positions uniformly spaced annularly thereon.

Abstract: A plant structure having three floors with first and second open-end spinning apparatuses located on the first floor and with vertical sliver feed tubes extending from the first and second open-end spinning apparatuses respectively to the second floor for feeding a sliver through the sliver feed tube to the first open-end spinning apparatus and to the third floor for feeding sliver from a can thereof to said second open-end spinning apparatus.

Abstract: In the case of a spinning machine having several spinning stations, which comprise drafting units, for the spinning of slivers fed in cans, false-twisting elements are connected in front of the drafting units which provide the slivers with a protective twist.

Abstract: In the case of a spinning machine whose spinning stations spin slivers which are withdrawn from cans, it is provided that the cans during the withdrawal rotate about their axis so that the slivers are provided with a true twist during the withdrawal.

Abstract: In the case of a spinning machine comprising spinning stations which are preferably arranged on both sides of the machine, depositing sites for several rows of cans are assigned to each side of the machine which contain the sliver to be spun. Delivery rollers are used for the transport of the slivers between the cans and the spinning stations. Stationary guiding surfaces are arranged between the delivery rollers for supporting the slivers. The guiding surfaces are spaced from a tangent line connecting the delivery rollers. The guiding surfaces are mounted to be selectively adjustably movable in certain preferred embodiments.

Abstract: A can distribution apparatus includes an assembly forming an endless path interconnecting a plurality of distribution locations for support movement of cans to and between distribution locations and an assembly for simultaneously advancing cans of varying degrees of fullness and readiness to a textile machine. The can distribution locations include a textile machine delivery location, a can return location, a full can supply location, and a can receipt location. The advancement of each can is effected simultaneous with the advancement of the other cans in the endless path independent of whether the can is empty, partially loaded or contains a full load and whether the full load is prepared for delivery or not. A detector detects the sliver fullness of each can on the endless path and signals this information to a control device which controls the distribution of cans to the various can distribution locations.

Abstract: In the case of a spinning machine having several spinning stations for the spinning of slivers fed in cans, drivable transport belts are provided for the transporting of the slivers from the cans to the spinning stations, to which stationary guiding belts are assigned which form a sliding guide for the slivers transported by the transport belts.

Abstract: In the case of a spinning machine having several spinning stations for spinning slivers into yarns which were fed in cans, conveyor belts are provided which guide the slivers between the cans and the spinning stations. The cans each contain several slivers, a joint conveyor belt being assigned to at least the slivers of one can.

Abstract: A device for conveying full and empty bobbins between multi-position textile machines of different finishing stages is comprised of an endless conveying rail and an endless, driven conveying element. The endless conveying rail is common to all of the multi-position textile machines of different finishing stages, whereby at least two multi-position textile machines are connected by the endless conveying rail. The conveying element is connected to the endless conveying rail and comprises carriers for conveying the full and empty bobbins, the carriers being movable along the conveying rail.

Abstract: In the case of a spinning machine having a plurality of spinning stations spinning yarn from slivers and having transport devices for removing the slivers from cans and for guiding the slivers to the spinning stations, it is provided that, for the preparation of the start spinning of the spinning machine, the slivers are first deposited in receiving devices which are situated in the area of the outlet of the transport devices. Subsequently, the slivers are successively taken out of these receiving devices and are placed in the spinning stations.

Abstract: In the case of a spinning machine for the spinning of yarns from slivers which are fed in cans, the slivers are guided from the cans to the spinning stations by guiding devices which comprise several clamping devices arranged behind one another which transport the respective sliver. In some preferred embodiments, the clamping devices are constructed as drivable roller pairs. In other preferred embodiments, the clamping devices are clamping jaws carried on movable belts.

Abstract: In the case of a spinning machine for the spinning of slivers fed in cans into yarns, drivable transport belts are provided which transport the slivers between the cans and the spinning stations. Stationary lateral guides are assigned to the transport belts immediately before they run onto deflecting rollers, the distance between these stationary lateral guides being maximally as large as the width of the deflecting rollers. At the point of the lateral guides, a rear support is provided which is in a slight contact with the transport belt.

Abstract: The case of a spinning machine system with several adjacently arranged ring spinning machines to the spinning stations of which one sliver respectively is fed, which is deposited in a can, it is provided that the cans are set up on a platform situated above the ring spinning machines. Conveyor belts lead from the cans to the individual spinning stations. The cans are arranged in rows in such a manner that the interior rows of two machine sides facing the center plane of the respective ring spinning machine have a distance from one another which corresponds to approximately 1/10 to 1/4 of the distance between the exterior rows of cans of two adjacent ring spinning machines.