Abstract: The present invention relates to the production of textiles and more particularly pertains to a method for manufacturing cotton towels comprising the steps of: combining a yarn of 120S combed long staple cotton and a yarn of 10S combed long staple cotton by means of a double winder and winding onto a bobbin or bobbins after combining; feeding the bobbin or bobbins of the combined yarn into a double twister for plying; winding the plied yarn onto a bobbin and weaving into greige; impregnating the greige in the solution of a combined desizing, scouring and bleaching machine to be soaked and steamed for removing the sizes and the impurities in the cotton yarn; treating the greige by means of deoxidization, dyeing, enzymatic desizing, softening, relaxation drying and sewing into towels. The present invention adopts the 120S combed long staple cotton for plying which achieves a definitive binding effect on the loosened fibers on the surfaces of the yarn, thereby forming fewer fluffs on the surfaces of the towel.

Abstract: A system for moving and diverting trains (5) of bobbins (7) in a spinning plant with more spinning mills (1) includes a pair of rails (40,41), along which a carriage (32) moves. The carriage (32) can be stopped at a point corresponding to one spinning mill (1) and carries, mounted thereon, a motor (39), which drives the trains (5), coming from a main feeding line (3) to terminal sections (10), situated beside the spinning mills (1). Activator means (29), situated also on the carriage (32), operate the switches (20,21,22) aimed at deviating the path of the trains from the main line (3) to union sections (15) joined to the terminal sections (10). The carriage (32) is moved by a motor (42) and its position along the rails (40,41) is determined by an encoder (43).

Abstract: A horizontal transporter at a roving frame level delivers full bobbins to a vertical movable carriage which picks up the bobbins from the bottom, replaces them with core sleeves, and lodges the bobbins in a second horizontal transporter at another story for the ring spinning units. The bobbin and core sleeves are always engaged from above by the horizontal transporters and remain erect when engaged from below by the vertical transporter.

Abstract: A cop changing and transport system for a composite ring spinning and winding machine wherein both the ring spinning machine and the winding machine have respective transport systems 2 and 3 in which circulate separate respective groups of transport pallets 25 and 26, dedicated to the respective machines. A transfer device 1 is disposed at an adjacent location between the transport systems 2 and 3, and has two adjoining transport disks 8, 9 rotating in the same direction. Cop and tube manipulating devices 42 are respectively disposed on the transport disks 8 and 9 on support columns 39 of a support structure 38, which manipulating devices are positively controlled in the course of the rotation of the transport disks 8 and 9 such that the manipulating devices continuously transfer the spinning cops 59 or the empty tubes 60 from the transport pallets of one transport system to the transport pallets of the other transport system.

Abstract: A transporter for textile plants having upstream machines providing full bobbins to downstream machines returning core sleeves to the upstream machines. The transport system has a suspension track extending in a loop around a plurality of the downstream machines for each upstream machine and provided with switches and shunts which allow reconfiguration of the loop which can have a diverting stretch for use when the downstream machine is shunted and for including one or more machines of the adjacent loops when desired in the first-mentioned loop. In all configurations, the path length is substantially the same and the length of the transporter is only slightly less so that a gap is provided between the leading and trailing ends of the transporter.

Abstract: A bobbin changer is used in combination with a first textile machine having a first conveyor extending along an endless first path moving full bobbins or empty sleeves into the first machine and full bobbins or empty sleeves out of the first textile machine, a second textile machine having a second conveyor extending along an endless second path extending at a location adjacent the first path and moving full bobbins into the second textile machine and empty bobbins out of the second textile machine, and a third textile machine having a third conveyor extending along an endless third path extending at the location adjacent the first and second paths and moving full bobbins out of the third textile machine and empty sleeves into the third textile machine.

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: 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: The handling of textile bobbins and textile bobbin tubes, particularly in yarn end preparation of textile bobbins, is improved by the pallet of the present invention which has an arbor of longer axial length than the textile bobbin tube it supports so as to protrude sufficiently from the textile bobbin tube that the arbor can be gripped while the textile bobbin remains supported on the pallet. A releasable connection between the base plate and arbor of the pallet in the preferred form of a functionally detachable plug-type snap connection allows for a temporary separation of these components. A pot-like covering body for the textile bobbin is connected to the base plate, particularly for conical or cylindrical cross-wound bobbins.

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 a 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 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 cleaning apparatus used in a spinning machine wherein a row of grabs having seats can be engaged over tubes in respective spinning stations to remove the tubes from and insert the tubes into the respective stations has at least one nozzle directable into the seats of the grabs and a system for supplying air under pressure to the nozzle and thereby forming at the nozzle a jet that blows lint and the like from the seat into which the nozzle is directed.

Abstract: A transferring apparatus for a textile spinning machine for transferring empty tubes and full yarn packages between the spindles on which yarn packages are built and an endless belt for supplying the tubes and discharging full yarn packages. The transferring apparatus includes a tube gripping assembly, a device for vertically moving the tube gripping assembly, a device for laterally moving the tube gripping assembly, and a device for controlling the apparatus to position the tube gripping assembly in a predetermined position relative to the textile spinning machine. The controlling device measures the movement of an operating component, compares the measured value with a predetermined value, and stops the movement of the transferring apparatus in response to an indication that the measured value and the predetermined value are equal. The movement of the operating component corresponds to the vertical and/or lateral movement of the tube gripping assembly.

Abstract: A gripper assembly having a plurality of tube gripping apparatus is provided for transferring full and empty bobbins between the bobbin bank of a textile fly frame and a supply creel. The gripper assembly is mounted on a traveling service unit and includes a drive device for commonly driving the tube gripping apparatus to synchronously grip and release tubes to be transferred. Each tube gripping apparatus includes an axially movable tube engaging member having gripping portions for compressively gripping a tube, a gripping portion drive member pivotally supported in a housing, and a pivot movement converting device for converting pivoting of the gripping portion drive member into axial movement of the tube engaging member. The gripping portion drive member is operatively connected to a common drive shaft of the gripper assembly for driving pivoting thereof.

Abstract: An apparatus for gripping tubes of yarn packages in a textile machine includes a pressurized fluid drive member. The pressurized fluid drive member is fixedly mounted to a support frame and, in one aspect of the invention, extends interiorly of a generally cylindrical fixed component having a pair of diametrically opposed projections formed on its outer surface. A movable component comprising a tube receiving housing for receiving a yarn package tube therein has a pair of detents compatibly configured with the projections on the fixed component for releasably securing the tube receiving housing to the fixed component. In the event of a collision between the tube gripping apparatus and another object, the movable component is non-destructively released from its normal operating position, thereby minimizing the risk that potentially damaging forces will be transmitted to the pressurized fluid member.

Abstract: The doffing time of a flyer can be considerably shortened when a carrier carrying empty bobbins is brought in a single sequence of movements, without interim or intermediate storing, from a substantially vertical transport-starting position into a predetermined inclined position and thus into alignment with an inclined bobbin rail. The full bobbins are accordingly conveyed in analogous manner.

Abstract: A method and apparatus for monitoring the proper grasping and release of yarn tubes by an automatic bobbin changer in removing fully-wound yarn tubes from, and placing empty replacement yarn tubes onto, the spindles of an associated ring spinning machine or ring twisting machine. After an operation of the bobbin changer for either grasping or releasing yarn tubes, a light beam is directed through an area previously occupied by the tubes, a determination is made whether the light beam is interrupted by any tube which the bobbin changer failed to grasp or release, and if so, a failure signal is generated to interrupt continued operation of the bobbin changer.

Abstract: A method and apparatus for automatically doffing fully wound bobbins simultaneously from the plural spindles of a textile spinning or twisting machine and subsequently donning empty tubes simultaneously onto the spindles. When doffing a fully wound bobbin from its supporting spindle, a trailing length of yarn from the doffed bobbin is helically placed about the spindle and, when subsequently donning an empty tube onto the spindle, the trailing yarn length is securely clamped at least partially between the empty tube and spindle, which trailing yarn length is automatically broken from the doffed bobbin upon its removal, to enable convenient automatic re-start of the machine.

Abstract: A yarn spinning, twisting or doubling machine having bobbin doffing and donning apparatus for the spindles of the machine, the apparatus comprising bobbin conveying means extending along and above a row of spindles, a series of bobbin grippers spaced at the same pitch as the spindles, each gripper being mounted for vertical movement between its respective spindle and the conveyor, each gripper being designed to hold or grip a bobbin at a point beyond one end of a package wound on the bobbin so that the grippers can lift the wound bobbin from its spindle for engagement by means on the conveyor and then release the bobbin for subsequent removal, or grip an empty bobbin on the conveyor and move it to its respective spindle and control means operable to move the conveyor after it has received the full doffed bobbins and to bring empty bobbins into line with the spindles so that the grippers can place empty bobbins on the spindles.

Abstract: A tray transfer device in which a tray carrying a bobbin is fed along a tray feeding path. The tray transfer device comprises a sliding member which slides along the tray feeding path reciprocally and engaging members which are located on the sliding member by a pitch equal to the predetermined pitch such that the trays may be pitch fed at a time by the engaging members.

Abstract: A bobbin transfer system consisting of a pair of conveyors, one to carry the spinning bobbins and the other to carry the empty bobbins, each installed at a top portion of a spinning machine to run along the spindle row. The spinning machine and a winder may be connected with each other by the conveyors.

Abstract: A bobbin transfer system of a spinning frame (1), in which a series of trays (13) are carried on a pair of carrier rails (14, 15) driven to repeat a back-and-forth reciprocation. Hooking members (23) are arranged along the carrier rails (14, 15), which allow the trays (13) to pass thereover during the forward displacement of the carrier rail (14, 15) but inhibit the backward displacement of the trays (13) by the action of hooks (23a) formed on the hooking member (23) at a distance from each other corresponding to N times the spindle pitch wherein N satisfies the equation .DELTA.A.gtoreq..DELTA.D.times.N (wherein .DELTA.D stands for a manufacturing tolerance of a diameter of the tray 13 and .DELTA.A stands for an allowance for a grip distance of a bobbin catcher in an auto-doffer) and p stands for a spindle pitch. Accordingly, the trays (13) are transferred intermittently as the carrier rails (14, 15) reciprocate at a stroke larger than the spindle pitch.

Abstract: The gripping device comprises at least one gripper which can be inserted into the tube and is formed from two elements which are mobile axially one in the other and are provided with frusto-conical ends which cooperate in such a manner that the axial movement of the inner element causes the outer element to expand and to engage under pressure with the tube for the purpose of its replacement. Two friction discs supported in an axially mobile manner are associated with the gripper and are subjected to the action of a spring in order to press a lower support element of the discs against the tube in order to retain it and allow exact keying of the tube on to the rotary drive element. The device is particularly suitable for cops.

Abstract: A doffing carriage is mobile at the level of the flyer support bed of a roving frame, and carries cop and empty tube gripping elements which are orientatable between a vertical position and an oblique position. A peg conveyor loaded with empty tubes in a reverse zig-zag arrangement to that of the cop rotators is disposed at the level of a footboard. The cops, lowered on to an orientatable cop carrier, are gripped by the gripping elements in an oblique position, raised, disposed vertically and deposited on to the free pegs of the conveyor, proceeding from one end of the roving frame to the other. After moving the conveyor through one step, the gripping elements deposit the empty tubes on to the cop rotators by proceeding in the reverse direction. The same carriage loads the empty tubes on to the conveyor and unloads the cops from it at one end of the roving frame, while this latter is in operation.

Abstract: Apparatus for use in doffing and donning roving bobbins on the winding spindles of textile roving machines, wherein a drive nut associated with bobbin gripping components is constrained by an L-shaped guide slot to move axially with respect to the bobbin spindle for positioning the bobbin axially with respect thereto and to further move rotationally with respect to the spindle to orient mating drive components of the bobbin and spindle in proper driving connection.

Abstract: The apparatus for making textile fiber strands has a principal drive unit and at least one auxiliary drive unit. At least one alternating current motor of the principal drive unit is provided with a supply current of an adjustable frequency by a frequency converter. The frequency converter or at least one of the frequency converters is connectable to at least one alternating current motor of at least one of the auxiliary drive units in an intermediate time interval in which the receiving members of the apparatus for the fiber strands being produced are not loaded with the fiber strands.

Abstract: A device for individually and sucessively advancing cops from a cop-producing machine in an orderly manner via conveyor belts to a cyclically stepwise advanceable cop conveyor having take-up mandrels thereon, comprising respective substantially vertical loading shafts located between the conveyor belts and the cop conveyor for delivering cops in upright position onto the take-up mandrels of the cop conveyor, the loading shafts being formed of sidewise deflectable wall elements, an actuating device operatively engageable with the loading shafts, respectively, for deflecting the wall elements thereof sidewise so as to permit the respective delivered cop to be father advanced by the cop conveyor, clock switching devices connected to the conveyor belts for actuating the belts to individually and successively advance the cops in the orderly manner, and a sensor for distinguishing between the absence and presence of a cop on a respective take-up mandrel of the cop conveyor and for enabling and disenabling the clock

Abstract: Device (10) to doff yarn packages on ring spinning machines (12) which is able to doff the yarn packages (15) automatically and to replace them with empty tubes (16), and which comprises a movable gripper (17), a station (20) to engage tubes and means (31) to remove yarn packages, the gripper (17) comprising an element (25) to engage yarn packages and an element (26) to engage tubes and being able to rotate about a horizontal shaft (24) so as to bring one or the other engagement element (25-26) to cooperate with the spindle shaft (23) momentarily, the gripper (17) being able to move vertically and normally staying in a position (17B) where it does not interfere with the zone of the spindle (13).

Abstract: An empty bobbin transporting system for a fine spinning winder wherein a spinning frame and a winder are interconnected by way of a spinning bobbin transporting path and an empty bobbin transporting path. An additional transporting path for transporting an empty bobbin fed back from the winder and an empty bobbin stock device for temporarily stocking the empty bobbin transported by the additional transporting path are provided in the spinning frame.

Abstract: An apparatus for transporting a bobbin between a winder and spinning frame. A curved transporting path is provided contiguously between a vertical transporting path and a horizontal transporting path, and a conveyor belt is disposed to extend along these paths. A cover which covers the bobbin transporting paths along a length thereof is provided.

Abstract: An apparatus for replacing full bobbins on spindles of a continuous spinning machine by empty tubes situated on fixed pegs near the spindles, and arranged in a plurality of consecutive spinning positions in the spinning machine, has a gripping mechanism for simultaneously removing the full bobbins and the empty tubes of two consecutive spinning positions from the spindles and pegs respectively, and for simultaneously replacing the full bobbins and empty tubes on the pegs and spindles, respectively, of the two consecutive spinning positions. The gripping mechanism is of the quadruple mechanism type having four separate grippers, respectively for engaging the full bobbin of one spinning position; for engaging the empty tubes of the one spinning position; for engaging the full bobbin of the other spinning position, and for engaging the empty tube of the other spinning position.

Abstract: A doffing method in a spinning frame or the like comprises steps of holding a spinning bobbin after completion of winding with a holding member, removing the spinning bobbin from a spindle without bunch winds, fitting the spinning bobbin onto a bobbin conveying medium having an air path, cutting the yarn and sucking air within the spinning bobbin through the air path of the bobbin conveying medium to attract an end of the yarn adjacent the spinning bobbin into the spinning bobbin under the guidance of the holding member.

Abstract: A method is disclosed for automatically doffing a full strand package on a collet winder such as used in the manufacturing of fiberglass and the like strands. The method includes providing a rotating doffing cup (A) which includes a cylindrical cup (40) having an inflatable liner (44) carried on the inside of the cup. A robotic vehicle (10) includes a servo-linkage arm (28) which positions the doffing cup at a desired winding station along a row (14) of collet winders (B). The method includes bringing the doffing cup up to an approach position, pivoting a traverse guide (76) away from the collet, and extending the doffing cup over a full strand package (36). The rotating cup is brought up to a speed slightly greated than the speed of the rotating yarn package. The liner (44) is then inflated causing the rotating doffing cup to grip the strand. The rotating cup (A) is then retracted with the strand package.

Abstract: The supply chute of the present invention operates to supply empty bobbins to a bobbin reserve unit provided above a conveyor for transporting empty bobbins to a spinning frame, while maintaining the empty bobbins in substantially horizontal position as they fall down the chute. The chute presents a zigzag-shaped route in the direction of movement of the empty bobbins, which route is comprised of a plurality of subtantially vertically extending sections each having a length smaller than the length of the empty bobbin, each section being offset laterally with respect to the adjoining section or sections.

Abstract: An automatic doffing device for ring spinning and/or twisting frames, in particular in machines for producing large packages, which comprises a conveyor arranged to convey the empty tubes into a vertical position corresponding with each of the spindles of the spinning and/or twisting frame, a second conveyor arranged to take away the full cops, and a gripper assembly arranged to effect the mutual transfer of the full cops and empty tubes between the conveyor supporters and the spindles.The doubling of the conveyors and their location at the top of the spinning frame creel in a position overlying the spindles enables automatic doffing to be carried out on spinning and/or twisting frames without any regard for the size of the package (cop diameter and tube length).

Abstract: In a widely-used type of ring, spinning or twisting machine, each spindle of the machine is provided at its upper end with a spinning head. This head is engaged by yarn to be wound onto a cop spool carried on the spindle, the yarn passing from the spinning head to the ring traveller associated with that spindle. Due to the engagement of the yarn with the spinning head it is generally not possible to employ known types of automatic cop removal device with such machines. To overcome this problem, cop-raising means are provided which, at the end of each cop-forming process and prior to operation of the cop-removal device, serve to raise the cop spools above the level of the upper ends of the spinning heads whereby to disengage the yarns therefrom. The cop-raising means comprise, for example, a mechanism arranged to displace upwardly the so-called ring nuts associated with each spindle.

Abstract: A ring spinning or twisting machine is provided with a cop-removal device arranged to automatically remove all full cops simultaneously from the spindle row of the machine and to replace them with empty cop spools. The cop-removal device comprises a plurality of take-up members each associated with a respective spindle and movable only in the axial direction thereof, and a conveyor extending parallel to the spindle row and arranged to transport the empty spools and full cops respectively to and from the machine. The conveyor has a first row of pins arranged to receive full cops after they have been removed from the spindles by the take-up members, and a second row of pins for carrying empty spools to be picked up by the take-up members and placed on the spindles. The conveyor is movable horizontally transverse the spindle row to bring the two rows of pins into coaxial alignment with the axes of the spindles when required.

Abstract: A truck carrying plural rows of vertically placed empty bobbins is conveyed to one end of the machine base of a flyer frame, the empty bobbins of the first row are taken out of the truck and conveyed to an empty bobbin supply device on the machine base, the truck is moved a predetermined distance by an intermittent feed unit, and fresh full yarn packages from the flyer frame already placed on a conveyor are transferred by a full yarn package transfer device to said truck at the positions from which the empty bobbins were removed. The operation of taking empty bobbins from the truck and supplying them to the empty bobbin supplying device on the machine base and the operation of transferring the full yarn packages to said truck are performed in an alternate fashion.

Abstract: A device for mounting or donning of bobbins onto a transport band of a textile machine, especially a ring spinning or ring twisting machine contemplates that incorrectly mounted bobbins are ejected or doffed by a bar member pivotable about a pivot axis or shaft. To eject or doff such incorrectly mounted bobbins the bar member is moved, at a monitoring or control position, in a downward direction towards the head of the bobbin currently there located and ejects incompletely mounted bobbins. The donning device exhibits simplicity and a reliable mode of operation. Furthermore, by means of the invention damage produced by incorrectly mounted bobbins is avoided and damaged bobbins are removed from the operating process.

Abstract: A bobbin exchange apparatus on a ring spinning or a ring twisting machine contains a transporting belt extending substantially horizontally in the longitudinal direction of the machine. The transporting belt is provided with bobbin holders and, viewed relative to the machine, is inclined downward towards the front. According to the invention, there are provided supporting means extending in the longitudinal direction of the machine. These supporting means are contacted by the front side of the empty bobbin tubes placed onto the transporting belt. The invention permits a considerable space saving to be achieved in such a manner that, in comparison to known machines, more space is available for the spindle bearings or bolsters and there can be used a spindle rail which fulfils the requirements of sufficient stability. Furthermore, the invention allows an improved spinning geometry to be chosen.

Abstract: A method and an apparatus for simultaneously changing bobbins in a fly frame wherein flyers supported from above are arranged in a zigzag fashion in front and back rows.

Abstract: An apparatus for detecting an erroneously inserted empty bobbin is disposed on a spinning frame which is provided with an automatic doffing and donning apparatus and a conveyor having empty bobbin supporting pegs mounted thereon. The detecting apparatus photoelectrically or electromechanically detects whether or not an empty bobbin is correctly inserted onto the corresponding empty bobbin supporting peg based on the fact that an incorrectly inserted bobbin inclines backwards and projects upwards. When the incorrectly inserted bobbin is detected, an alarm is actuated in order to notify an operator in charge of the spinning frame of the same.

Abstract: An apparatus for sorting conical bobbin tubes for textile machines with their tip ends located to one side comprises a supply device supplying individual bobbin tubes transversely of their axes along a guide table and between two lateral guide edges. The distance of the lateral guide edges from the guide table is equal to the mean bobbin tube diameter and the mutual distance between which diminishes, seen in the direction of the bobbin tube supply, from a value greater than the bobbin tube length to a value smaller than the bobbin tube length. During their movement in the supply direction the bobbin tubes are forced to move longitudinally in the direction of their tip end, which permits sorting them with their tip end to one side.

Abstract: A bobbin doffing and donning method and apparatus are disclosed, wherein a stop is selectively projected into a path, along which an engaging member, mounted on a suitable portion of a power transmission mechanism structurally associating a doffing bar with a piston and cylinder assembly for tilting the doffing bar, is moved by the piston and cylinder assembly, to allow the engaging member to pressure contact with the stop thereby stopping the doffing bar at an intermediately tilted condition under which the doffing bar can operate on bobbins temporarily placed on a refuge support positioned between a succession of spindles and a bobbin conveyor both arranged along the side of a spinning machine.In order to release the doffing bar from the intermediately inclined condition, fluid is supplied into the piston and cylinder assembly so as to temporarily move the engaging member in a direction in which it disengages from the stop and thereafter the stop is moved out of the path of the engaging member.

Abstract: An automatic doffing and donning apparatus is disclosed for replacing a plurality of full bobbins which are mounted on winding spindles disposed parallel to each other on a yarn processing machine with a plurality of empty bobbins which are mounted on a bobbin reservoir plate disposed along and in front of the winding spindles. The apparatus comprises: a movable frame which is horizontally movable along both the yarn processing machine and the bobbin reservoir plates; a full bobbin doffing device mounted on the movable frame for doffing the full bobbins formed on the winding spindles and transferring them to the bobbin reservoir plate, and; an empty bobbin donning device mounted on the movable frame.