Abstract: Integrated system for drawing and spinning operations in the processing of textiles, which provides for integration between spinning units (11) and drawing units (13), the integration consisting of a close connection between spinning units (11) belonging to a spinning machine (10) and a drawing unit (13) governed solely by the feed of the spinning units (11), the drawing unit (13) being positioned in line with and at one end of the spinning machine (10), the feed being carried out by means of at least one movable unit (15) able to move along a side or sides (12-112) of the spinning machine (10) and suitable to accommodate and carry sliver containers (14) and to handle the same (14), the containers being full (214) or empty (114) and being used both during drawing and during spinning steps, the integrated system being governed by computerized means that manage and control the devices and functions performing the operational steps.

Abstract: A ring spinning machine comprises at least one group of spinning stations or points (11) arranged adjacent each other at equal intervals, a bobbin change device (14) for simultaneous replacement of full bobbins (15 ) spooled with yarn by empty bobbins (16) at each spinning point (11) and an endless conveyor (17) which extends along the spinning points (11) and is led from one end of the spinning point group (12) to the other back on itself and on which at the interval of the spinning points (11) upright bobbin pegs (13) are arranged in such a manner that in a bobbin change position of the endless conveyor (17) each spinning point (11) is exactly aligned with a bobbin peg (13) associated individually therewith. Each bobbin peg (13) is arranged on its own peg support tray (18).

Abstract: A double-sided textile machine comprising a plurality of winding units for producing cross-wound packages, in particular a two-for-one twisting machine, and further comprising a device for collecting and conveying the produced packages, which device includes two transport means moving in the region of the machine center in the longitudinal direction in the interior of the machine, which means are directly superposed in at least two planes and of which each can be loaded at least from one machine side. A package delivery station is arranged at the end of the transport system. The transport systems may comprise two superposed conveyor belts, a transfer mechanism for delivering the cross-wound packages from one conveyor belt to the other conveyor belt. The transport systems may also comprise a plurality of package cages, which move in the longitudinal direction of the machine, each package cage comprising two superposed repositories for one package each.

Abstract: An automatic doffing method for a double twister and a double twister movable along each unit of the double twister which is provided with a yarn supply package changing mechanism for replacing an empty feed package supported on a spindle of each unit with a feed package. A pick finding mechanism for drawing a yarn end from the feed package, a threading mechanism for inserting a yarn end into an axial hole of the feed package by way of an air flow, a doffing mechanism for removing a full winding package supported on the cradle arm of each unit and supplying a take-up tube to the cradle arm, and a yarn hanging mechanism for hanging a yarn end of the feed package on an empty take-up tube when the cradle arm supports the take-up tube.

Abstract: In a combined textile yarn spinning and winding system having a yarn spinning machine and a yarn winding machine, a transport system is provided for conveying spinning tubes mounted on tube support members between the spinning and winding machines. Separate respective sets of tube support members are provided in association with the spinning and winding machines and separate closed transport conveyor loops are provided in association with the machines for conveying their respective sets of tube support members. Tube transfer mechanisms are provided between the two transfer loops for transferring yarn-wound cops from tube support members in the spinning machine loop onto empty tube support members in the winding machine loop and for transferring empty spinning tubes from tube support members in the winding machine loop onto empty tube support members in the spinning machine loop.

Abstract: A transport apparatus for transporting tubes of the type onto which yarn is built by a textile machine includes a flexible endless member which travels in guided manner in a fixed guide device with the flexible endless member in a generally vertical orientation. A plurality of movable guide assemblies are connected to the flexible endless member at spaced intervals therealong and are engagable with the fixed guide device for spacing the flexible endless member out of interference from the fixed guide device during movement of the flexible endless member. A tube carrier portion is mounted to each movable guide assembly for supporting tubes during their transport by the flexible endless member. A plurality of cog members having recesses for engaging the movable guide assemblies are operable to guide the flexible endless member along arcuate portions of its travel path.

Abstract: An endless conveyor for ring spinning machines comprises bobbin pegs (13) for receiving full and/or empty bobbins which seen in the conveying direction of the endless conveyor (17) must assume an exact position on the endless conveyor (17) in order in a predetermined bobbin change position to come into alignment with a spinning point (11) or other bobbin support arrangement and thus ensure a perfect bobbin transfer from or to the bobbin peg (13). Each bobbin peg (13) is mounted on the endless conveyor (17) adjustably in the conveying direction via a driver (19).

Abstract: A bobbin sorting device which can prevent bobbins from packing any winding section is provided adjacent to a junction of a loop passage extending close to each of fine spinning frames and an automatic winder and a common passage along the automatic winder. The bobbin sorting device comprises trays carrying bobbins of different kinds of yarn to be supplied to the automatic winder through the common passage, trays having an identifying groove, and bobbin sorting means provided at the inlet of the common passage for engaging the groove of the tray.

Abstract: Full roving spools are charged into and empty spools are unloaded from a spinning machine having at least one pair of parallel spaced-apart rows of roving spools by first moving spools as they become empty to a position between the two rows of active roving spools and thereby leaving the respective positions empty and then transporting them off in a predetermined direction along a path extending parallel to and between the rows. Then full spools are transported along the path in the direction to positions adjacent positions from which empty spools have been taken and are then moved laterally into the empty positions to fill same.

Abstract: A spinning mill installation including an overhead conveyor system having rails for feeding and removing bobbins to and from at least one creel-less spinning machine. To provide the function of the absent creels, an array of rail elements is positioned above each spinning machine, the rail elements having detent mechanisms defining the locations of the bobbin stations, are provided in the overhead conveyor system. A cleaning device moves along an overhead rail and is provided with a driving device which also drives the bobbin carriers.

Abstract: Packages, particularly cross-wound packages are produced directly at a ring spinning frame. In a method and apparatus for making packages a rewinding device is provided for a group of spinning stations. The rewinding device comprises a fixed winding station and a gripping device movable along the group of spinning stations. The rewinding device is able to perform all the manipulations for starting up a spinning process with empty yarn carriers. It is also possible to change the full yarn carriers and mount the empty yarn carriers on a spinning frame, remove thread breaks and carry out spinning following a batch change. Spinning of the individual yarn carriers takes place individually, so that when replacing one yarn carrier, the other spinning stations continue to operate. This leads to a high production rate of the ring spinning frame and simultaneously reduces costs for rewinding compared with known systems.

Abstract: For a spinning machine, an arrangement is provided for the conveying of finished packages which, following an end of the spinning machine, comprises a transfer point for receiving a number of packages arranged behind one another in a row, which is followed by a stationary intermediate storage device for a plurality of rows of packages to which a removal device for the packages is assigned.

Abstract: In the case of an arrangement for the filling of a magazine of a movable package spool changing arrangement with tubes, at least one intermediate magazine is provided to which the magazine of the package spool changing arrangement can be applied and at which a continuous transport device passes by from which individual tubes can be removed and can be filled into the intermediate magazine.

Abstract: An apparatus for changing yarn carriers in a textile machine, particularly a ring spinning machine, funnel spinning machine or ring twisting machine, includes a revolver having an axis, a pair of spindles being disposed on the revolver symmetrically to the revolver axis and having axes, and the spindles of the pair being rotatable in mutual alternation between a spinning position and an unwinding or disposal position. According to one embodiment, the axes of the spindles of the pair are inclined relative to the revolver axis by an acute angle and diverge in a direction toward the free ends of the spindles. According to another embodiment, at least two pairs of spindles are disposed on the revolver for serving at least two adjacent spinning or twisting stations of the textile machine, and each two adjacent spindle axes are mutually parallel at a given spacing.

Abstract: An endless conveyor in a ring spinning machine comprises bobbin pegs for receiving full and empty bobbins which must assume an exact position in order in a predetermined bobbin change position of the endless conveyor to come into alignment with a spindle or bobbin support arrangement and thus ensure bobbin transfer from or to the bobbin peg. The endless conveyor is divided in the longitudinal direction into various sections which are connected by connecting links or locks of different length in such a manner that a plurality of bobbin pegs arranged on a section in the bobbin change position of the endless conveyor can be exactly aligned with the associated spinning points by inserting locks of different length or by changing the effective length of the locks at both ends.

Abstract: For the automated removal of takeup packages, in particular cross-wound twister packages, held in a pivotally supported package holder, and their replacement with empty tubes, the present invention provides for mechanisms to open largely at the same time the package holders on the one hand for the purpose of releasing a takeup package, and to support the takeup package released from its holder on the other hand, and to deliver same to a transport device, and in order to insert a new empty tube into the package holder.

Abstract: A ring spinning machine is provided with a carrier rail extending along each row of spinning stations for slidably guiding peg trays. A guide rail is secured to the carrier rail for receiving connecting pieces in snap-fitted relation which serve to move the peg trays along the carrier rail. The connecting pieces are secured to a vertically disposed conveyor belt so that the conveyor belt is guided by the connecting pieces along the spinning stations.

Abstract: A gripping and manipulating apparatus is mounted on a conveying vehicle and comprises an articulated arm and gripping member. The gripping member is disposed at the moving end of the articulated arms and comprises a multi-element lazy-tongs mechanism having two receptacle retainers. The movement of the retainers is produced by a drive element, a part thereof acting on guide elements. The guide elements are pivotally connected to the retainers. The gripping member can fold down to a reduced dimension and its three pivots lead to a compact construction for the conveying vehicle. Also, a securing device is included for securing the end of a band or sheet or the like of textile material and is disposed on the articulated arm or on the gripping member and is movable therewith. The space required between the vehicle and the textile machines and between the individual receptacles is reduced.

Abstract: A roving bobbin carrier system having a single carrier line for conveying a plurality of full wound roving bobbins from a roving frame to a fine spinning frame and conveying a plurality of unwound roving bobbins from the fine spinning frame to the roving frame with the unwound roving bobbins converted into blank roving bobbins having no residual roving. A stock conveyor is provided at a midway position of the carrier line independently thereof. A residual roving removing device and first and second transfer mechanisms are provided in connection with the stock conveyor to convert the unwound roving bobbins to the blank roving bobbins. Accordingly, the conveyance of the full wound roving bobbins and the unwound roving bobbins can be efficiently carried out through the single carrier line.

Abstract: Device (10) to transfer roving packages with the roving pre-positioned, the packages (11) being taken from discharge means (23) belonging to or, in any event, connected to machines that prepare the roving for spinning, the packages (11) thereafter having to be positioned on conveyor means (26) which are advantageously automatic, to feed the creels of spinning machines, the device (10) comprising the following assemblies working in functional sequence:a self-aligning assembly (37) which cooperates with the discharge means (23) and is suitable to position in a desired and pre-determined manner the packages (11) arriving at the end of the discharge means (23) and to withdraw the end of the roving from such packages (11) and to position that end on the package (11) itself in a desired manner, advantageously by placing the end on a frontal surface of the package,an arm (13) to engage and transfer the packages (11) which is suitable to cooperate with the self-aligning assembly (37) in engaging the packages (11) and

Abstract: In a system for producing yarns comprising a spinning apparatus having a plurality of spinning units, each unit being provided with a winding device, and a twisting machine directly connected to said spinning apparatus to twist a package from the spinning apparatus, a method comprises feeding packages of different kinds of yarns doffed from a group of units obtained by dividing units of the spinning apparatus to the twisting machine at different timing, and supplying them onto trays discriminated by kinds in the twisting machine.

Abstract: A traveling service unit for groupwise exchange of bobbins supported on a creel above the service unit for bobbins supported on the bank of a textile fly frame. The traveling service unit includes a gripper assembly having gripper components for releasably individually gripping bobbins and supported relative to one another in two parallel gripper rows and a peg support assembly having a pair of movable portions, each portion having two parallel rows of pegs for supporting bobbins thereon. The traveling service unit further includes a device for selectively adjusting the spacing of the gripper components within each gripper row relative to one another and a device for selectively adjusting the spacing between the parallel rows of each portion of the peg support device.

Abstract: For a facility having one or several spinning machines and having at least one exchanging cart for the exchange of empty cans for full cans, it is provided that the exchanging cart is provided with devices for carrying out different exchange operations for making exchanges in the front or the back row which are triggered by signals as a function of depositing locations which are firmly assigned to the spinning points.

Abstract: For an automated removal of a package and transport adapter with a hollow core, on which at least one empty winding tube or a winding tube holding a residual length of yarn is inserted, from a yarn processing station, in particular from the protective pot of a two-for-one twisting spindle, the present invention provides for an operating method and an apparatus, so as to obtain for a troublefree further transportation of the package and transport adapter a yarn length of a defined length from the yarn end extending to a not-fully unwound winding tube, which yarn length is inserted into the hollow shaft of the package or transport adapter.

Abstract: A transport apparatus is provided for transporting tubes of the type onto which yarn is built at a spinning machine to form full yarn packages. The transport apparatus includes a flexible endless member arranged for travel in a path along the spindle bank and carrier members mounted to the flexible endless member for releasably retaining a plurality of independent tube support members, each of which has a vertical post for receiving a tube inserted thereon for individual support of the tube in an upright disposition. The transport apparatus also includes a plurality of spaced fixed tube support members secured to the flexible endless member, each having a vertical post for receiving a tube inserted thereon. The vertical posts of the independent tube support members and the fixed tube support members are spaced apart at a spacing substantially equal to the uniform spacing between the spindles of the spinning machine.

Abstract: A system for transferring bobbins between textile machines includes a temporary storage device positionable at a location between two textile machines for temporarily storing bobbins being transported between the machine. A transport rail assembly has either one rail extending between the machines for transport of bobbins either directly between machines or between the rail and the intermediate storage device, or a pair of rails each extending from one of the machines to the storage device. The storage device stores bobbins in a plurality of rows and is mobile for selective movement to other locations. It may have slidable pallet members for supporting bobbins or outwardly projecting support members inclined in the range of horizontal to vertically upward for supporting bobbins inserted thereon.

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 maintenance device is provided in a two-for-one twister textile yarn processing machine having a plurality of spindle assembly stations in side-by-side relationship along the length of the machine for processing of yarn at each station as the yarn is fed from yarn supply packages carried by an adapter device and mounted in the spindle assembly, and an overhead conveyor mechanism extending the length of the machine generally above the spindle assembly stations and including spaced-apart downwardly-directed suspension holders for releasably receiving and carrying adapter devices with full yarn supply packages thereon and adapter devices with substantially empty yarn supply packages thereon to and from respective spindle assembly stations.

Abstract: An apparatus for transporting sliver cans between a sliver can handling location and a textile spinning machine includes a rod member having a plurality of uniformly spaced engaging members. A pair of preferably plastic, parallel sliding rails each extend parallel to the rod member on a respective side thereof for supporting the sliver cans for sliding movement therealong. The rod member is supported for axial and rotational movement and is operatively connected to a drive device which cyclically axially displaces the rod member by a uniform amount of travel corresponding to a uniform spacing between the sliver cans. The rod member is rotated 90.degree. to move the engaging members between horizontal disengage positions in which they are out of engagement with the sliver cans and vertical engage positions in which the engaging members project vertically for engaging the bottom rim portions of the sliver cans during axial displacement of the rod member.

Abstract: A catcher device with a clamp is fitted about the outer surface of a fiber sliver can. The can may rotate on its longitudinal axis whereby an end of a fiber sliver is also moved in the direction of the catcher device. Through the rotation of the can, the fiber sliver is laid in the clamp and drawn through it until the desired length of the sliver end is reached. At this moment, the clamp is closed and the sliver end is clamped in the catcher device. The clamp comprises two clamping elements, which are actuated through a cam plate with trigger cams. The control is effected by sensors and a driving motor.

Abstract: A bobbin exchange apparatus for exchanging full bobbins for empty bobbins on a spinning machine. A bobbin exchange apparatus is mounted in a traveling service unit and includes a component for temporarily supporting a bobbin, a component for transferring a bobbin between and among the creel and the spare bobbin frame of the textile machine and the traveling service unit, and a component for displacing the end of the roving of a full bobbin temporarily supported on the temporary supporting device to an extending disposition ready for engagement for feeding to the drafting device of the textile machine. A suction applying device for applying the suction to engage the roving end is pivotally mounted to the temporary supporting component for pivoting about an axis parallel and offset from the axis of the temporarily supported full roving bobbin.

Abstract: A spinning frame management method comprising putting an identification mark on a tray for conveying a spinning bobbin produced by each spinning unit of a spinning frame to a winding unit of a winder, reading the identification mark in transferring the spinning bobbins from the spinning unit to the tray and storing the spinning unit which produced the same bobbin, detecting defects in the yarn of the spinning bobbin in rewinding the yarn of the bobbin and reading the identification mark put on the tray mounted with the same bobbin, and inquiring into the defects of a particular spinning unit by using the stored information.

Abstract: Apparatus for transporting spinning tubes mounted on peg trays for supply and removal of spinning tubes to and from spinning positions at opposite sides of a double-sided spinning machine comprises an endless upstanding conveyor belt extending about the machine. A plurality of transport members are affixed along two spaced transport sections of the belt each of a length corresponding to the spinning stations at the opposite machine side, for carrying peg trays with spinning tubes thereon. Obstruction elements are similarly affixed at spacings along the remaining extents of the belt to prevent receipt of peg trays therealong, whereby only the number of peg trays and spinning tubes required to supply the spinning positions of the machine are carried by the transport apparatus.

Abstract: Apparatus for transporting spinning tubes mounted on peg trays for supply and removal of spinning tubes to and from a textile spinning machine comprises an endless upstanding conveyor belt to which a plurality of transport members are affixed at spacings therealong. Each transport member has a recess at its opposite leading and trailing sides such that the leading and trailing recesses of adjacent succeeding transport members are cooperative for receiving therebetween a peg tray. Each transport member also has a concave arcuate guide surface at its opposite leading and trailing sides such that the leading and trailing guide surfaces of adjacent succeeding transport members define an enclosure for securely positioning a peg tray therebetween.

Abstract: In an automatic textile winder, an origination indicia is associated with each spinning tube supplied to the winder, e.g., in the form of a label, marking, or the like, on or applied to each tube or to a peg-tray carrier therefor. A quality-control device is provided at each winding station to monitor a quality-related parameter of the yarn winding operation. Another device is provided at each winding station in operative association with the respective quality control device for cancelling the indicia of each spinning tube whose yarn satisfies a predetermined value for the quality-related parameter as determined by the quality-control device, but leaving uncancelled the indicia of any spinning tube whose yarn fails to satisfy such quality value. Each spinning tube discharged from the winding stations is delivered to a detection station for reading or otherwise detecting any indicia remaining thereon. In this manner, the origin of inferior or sub-quality yarn can be readily identified.

Abstract: A method and apparatus for exchanging a bobbin on a bobbin holder of a spinning machine for a full bobbin stored on a spare bobbin frame of the spinning machine. The apparatus is in a service unit for the spinning machine and includes an intermediate support apparatus and a grip element movable between the bobbin holder, the spare bobbin frame and the supporting apparatus for sequentially transferring a full bobbin or a bobbin on the bobbin holder to the intermediate support apparatus, transferring a bobbin directly between the bobbin holder and the spare bobbin frame and transferring a bobbin on the intermediate support apparatus to the bobbin holder or the spare bobbin frame. The gripper element includes a vertically movable frame having a plurality of spindles for mounting bobbins thereon and the frame is rotatable in response to vertical movement thereof so the frame can be selectively moved along a path corresponding to the adjacent contour of the spinning machine.

Abstract: Apparatus for transferring empty and full bobbins to and from a plurality of juxtaposed spinning machines makes use of peg trays each having a peg engageable with a bobbin. The apparatus includes stationary bobbin transfer devices arranged on both sides of each spinning machine, and full bobbin and empty bobbin transfer conveyers both supported by a ceiling to intersect with the longitudinal direction of each spinning machine, above end portion of the stationary bobbin transfer devices thereof. The apparatus further includes a movable bobbin transfer device with an endless belt and linear guide members cooperating with the belt for resiliently engaging with each peg tray. The movable bobbin transfer device is arranged so as to be movable along the conveyers to receive empty bobbins from the empty bobbin transfer conveyer and deliver full bobbins to the full bobbins transfer conveyers.

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: Empty and full containers are moved from and to a spinning apparatus having an input side having a waiting station for a full container, a working station for a container from which filament is withdrawn, and a takeoff station for an emptied container and an output side having a waiting station for an empty container, a working station where a container is filled with spun filament, and a takeoff station for full containers awaiting transport away. A sensor monitors the fullness of the container or containers at the input-side working station and generates an input-side working-station priority signal when the respective container is nearly empty and another sensor monitors the fullness of the container or containers at the output-side working station and generates an output-side working-station priority signal when the respective container is nearly full.

Abstract: A method and apparatus for transporting a wound hollow yarn package having a loose yarn end from a yarn processing machine and, preferably, between yarn processing machines, while maintaining the loose yarn end in defined and fixed positions. The yarn package is gripped in the yarn processing machine by inserting a hollow gripper device into one end of the hollow yarn package and the loose yarn end is pneumatically positioned in the hollow gripper device. The yarn package is removed from the yarn processing machine and placed on a hollow pin of a transporting mechanism by the gripper device and the loose yarn end is pneumatically removed from the gripper device and positioned in the hollow pin of the transporting mechanism. The gripper device is then removed and the yarn package is transported, preferably to a second yarn processing machine.

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: A drawing machine having a drawing zone (8) for drawing slivers (2), and a plurality of flyers (14) for winding the slivers on to bobbins (16), is made compact by arranging the flyers substantially longitudinally of the paths of the slivers through the drawing zone, e.g. in echelon formation with respect to the sliver paths.

Abstract: A cop sorting and transporting system for a transporting step from spinning machines to winders in a spinning mill. A tab code representative of a type of a yarn of a cop is set arbitrarily to a tab device provided for each of cop magnazines which are provided for accommodating cops therein in order to selectively determine a destination of the cop magazine. The tab code of the tab device can be changed or reset to allow repetitive use of the tab device, which allows common use of the cop magazines to cope with production of many types of spun yarn by small quantities.

Abstract: An apparatus for carrying out a block-change in a ring spinning machine, in which a block of roving bobbins which each supply an associated spinning station are changed together when the rovings wound on the bobbins run out. Preferably, more than one block of roving bobbins is provided. The roving bobbins used to form a block are combined in such a manner that all of them have at least substantially the same length of roving wound on them. The end of the roving on at least one of the bobbins of the block is detected before that end passes through the associated drafting unit, and the block-change is triggered at an instant of time when the roving end has not yet passed through the drafting unit.

Abstract: The grippers are mounted on a doffer bar so as to disengage from both the top and bottom of the bar should a mis-alignment occur relative to a bottin tube. The removal or separation of a gripper from the bar causes a pneumatic or electrical signal to be generated which can be used to indicate the individual disturbance location. A light may also be provided at each gripper station in order to indicate a position of a disturbance.

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 roving bobbin creel for use in a textile ring spinning machine includes upright stanchions spaced along the length of the machine at its center, mounting elements affixed to the upright stanchions, support elements affixed to the mounting elements to extend transversely outwardly therefrom, and an elongate carrier element affixed to the underside of the support elements to extend longitudinally with respect to the spinning machine for supporting a plurality of roving bobbins in depending fashion from the elongate carrier element. Each mounting element includes a tongue portion projecting transversely outwardly with respect to the spinning machine and each support element defines an interior receiving area for insertion of the tongue portion for simple yet secure affixation of the supporting elements on the mounting elements.

Abstract: A system for transporting roving bobbins in a cyclic manner between roving frames (1), spinning frames (2) and a residual roving clear-off process, in which the roving bobbins are transported by a carrier (7) driven by a tractor (14) along a main rail (3) arranged to form an endless loop and working rails (4, 5, 6) branched from the main rail (3). Dogs (28, 29, 30) for representing the respective frame address or the respective working rail address are disposed on the main rail (3) and detected by a sensor (34, 35, 36) mounted on the tractor (14). A station (68, 69, 70) is disposed in the inlet area of the roving and spinning processes for transmitting a command issued from a central control unit (71) supervising the system to the tractor (14).

Abstract: Packages, particularly cross-wound packages are produced directly at a ring spinning frame. In a method and apparatus for making packages a rewinding device is provided for a group of spinning stations. The rewinding device comprises a fixed winding station and a gripping device movable along the group of spinning stations. The rewinding device is able to perform all the manipulations for starting up a spinning process with empty yarn carriers. It is also possible to change the full yarn carriers and mount the empty yarn carriers on a spinning frame, remove thread breaks and carry out spinning following a batch change. Spinning of the individual yarn carriers takes place individually, so that when replacing one yarn carrier, the other spinning stations continue to operate. This leads to a high production rate of the ring spinning frame and simultaneously reduces costs for rewinding compared with known systems.

Abstract: In the case of an arrangement for producing staple fiber yarn that is first prespun on an air spinning machine and that subsequently is finish-spun on a simplified ring spinning machine, it is provided that the air spinning machine and the ring spinning machine, by means of a conveying device for the spools receiving the prespun yarn, are connected to form a machine system, the ring spinning machine of which and the air spinning machine of which each have a number of spinning points that are coordinated with one another.