Inventors list

Assignees list

Classification tree browser

Top 100 Inventors

Top 100 Assignees


OERLIKON TEXTILE GMBH & CO. KG

OERLIKON TEXTILE GMBH & CO. KG Patent applications
Patent application numberTitlePublished
20110309542METHOD AND APPARATUS FOR THE PRODUCTION OF A TURF YARN - The invention relates to a method and an apparatus for producing a turf yam for artificial turf. According to the invention, several monofilaments or ribbons are produced from one respective polymer material in two parallel extrusion processes, the turf yarn being formed by combining several monofilaments or ribbons obtained in the first extrusion process with several monofilaments or ribbons obtained in the second extrusion process. In order to improve especially the elasticity of an artificial turf carpet made from said turf yarn, the monofilaments or ribbons obtained in one of the extrusion processes are crimped before being combined, the crimped monofilaments or ribbons and the flat monofilaments or ribbons being produced in parallel next to each other and being joined in a winding station by means of a tie thread.12-22-2011
20110283748YARN SLUICE FOR SEALING A PRESSURIZED YARN TREATING CHAMBER - A yarn sluice for sealing a pressurized yarn treating chamber in which a traveling yarn is thermally treated, comprises yarn guide elements in the region of a yarn inlet and outlet openings of the treating chamber forming a yarn guide channel sealed by the traveling yarn during operation. At least one of the guide elements is positionable for adaptation to the mean thickness of the traveling yarn in various predetermined positions. Means is provided for temporary adaptation of the yarn guide channel to yarn defects. At least one of the guide elements (11-24-2011
20110244066APPARATUS FOR PRODUCING A SPUNBONDED FABRIC - An apparatus is configured to produce a spunbonded fabric. In order to achieve an airiness of the spunbonded fabric and ready adaptability to process parameters which are to be changed, a spinning beam together with a blowing apparatus is configured to be pivotable in a pivoting unit. A relatively high airiness is achieved by the filaments running obliquely onto the fabric belt below the spinning beam. Rotary leadthroughs or elastic feed lines to the spinning beam make the slight pivoting possible.10-06-2011
20110239617TWO-FOR ONE TWISTING OR CABLING SPINDLE - A two-for-one twisting or cabling spindle apparatus (10-06-2011
20110200957METHOD AND DEVICE FOR HEATING A ROTATABLY MOUNTED GUIDE CASING OF A GUIDE ROLLER - The invention relates to a method and a device for heating rotatably mounted guide casing of a guide roller for guiding and heating threads. The guide roller has a guide casing which is held on the circumference of an axle support by means of an air bearing. To heat the guide casing, compressed air is heated outside the guide roller and supplied to the air bearing within the guide roller.08-18-2011
20110150281METHOD AND DEVICE FOR DETERMINING THE ORIENTATION OF A CROSS-WOUND BOBBIN TUBE - A method and device for determining the orientation of a cross-wound bobbin tube (06-23-2011
20110146221YARN BRAKE FOR A TWO-FOR-ONE TWISTING SPINDLE - A yarn brake for a two-for-one twisting spindle has a brake element mounted in the region of a hollow axle of the spindle between an upper and a lower brake face, the braking force being predeterminable in a defined manner by means of the pretensioning of at least one spring element, which acts on an axially displaceably mounted upper piston, in which the upper brake face is integrated, and the yarn brake being pneumatically releasable to introduce a yarn. The upper piston (06-23-2011
20110126506METHOD FOR OPERATING A SPINDLE OF A TWO-FOR-ONE TWISTER OR CABLING MACHINE - A two-for-one twister or cabling machine and a method for operation thereof, wherein a yarn (06-02-2011
20110121480METHOD FOR MELT SPINNING, STRETCHING, AND WINDING A MULTIFILAMENT THREAD AS WELL AS A DEVICE FOR PERFORMING THE METHOD - A method for melt spinning, stretching, and winding a multifilament thread to form an FDY-yarn as well as a device for performing the method are presented. Hereby, a plurality of filaments are first extruded from thermoplastic melt, cooled to a temperature below the glass transition temperature of the thermoplastic material, and gathered to form a filament bundle without adding a preparation fluid. The filament bundle is then drawn-off at a speed above 1,500 m/min., heated to have a temperature above the glass transition temperature of the thermoplastic material, and stretched at a drawing speed above 4,000 m/min. Preparation of the filament bundle with a preparation fluid and winding the thread to form a spool is then performed. The device has the preparation device arranged in a zone of the thread course between the drawing device and the winding device, in which the thread has a thread-running speed above 4,000 m/min.05-26-2011
20110062275BOBBIN HOLDER - A bobbin holder for tensioning a bobbin tube and receiving a wound thread bobbin is presented. The bobbin holder includes a rotatable drive shaft that is connected to a drive with a bearing end thereof and that has a tensioning device for tensioning a bobbin tube on a tensioning end. The tensioning device includes a plurality of bobbin tubes on the periphery of the drive shaft and interposed tensioning rings. A tensioning piston guided on the free end of the drive shaft acts upon at least one of the bobbin tubes to deform the tensioning rings. In order to allow the use of high fatigue strength materials for the tensioning ring, the tensioning ring includes a continuous separating slot on the periphery, which extends between two opposite ring ends of the tensioning ring, deformation being essentially achieved by an expansion of the tensioning ring.03-17-2011
20110059196DEVICE FOR MELT SPINNING MULTICOMPONENT FIBERS - A device for melt spinning multi-component fibers including at least two melt inlets for introducing separately guided melt components is presented. The device includes a feed plate having a plurality of feed channels for distributing the melt components, a distributor block associated with the feed plate, and a nozzle plate adjoining the distributor block and including a plurality of nozzle bores, wherein the distributor block has several thin distributor plates stacked on top of each other and each have a hole pattern with multiple distribution openings. The thin distributor plates are configured inside the distributor block such that a plurality of melt channels form, which connect the feed channels of the feed plate to the nozzle bores of the nozzle plate. In order to implement high flow volumes, multiple distributor plates having identical hole patterns of the distribution openings are stacked in a tightly sealing manner inside the distributor block.03-10-2011
20100297442METHOD AND DEVICE FOR PRODUCING A MULTI-COLORED COMPOSITE THREAD - The invention relates to a method and a device for producing a multi-colored composite thread made of a plurality of extruded colored filament bundles. To this end, a plurality of different dyed polymer melts is generated and extruded in parallel through a plurality of spinnerets to form the colored filament bundles. The colored filament bundles are brought together as a mixed color to form the composite thread. In order to generate a color pattern or to correct the mixed color of the composite thread, according to the invention, the generation of the dyed polymer melts is modified during the extrusion of the filament bundle in order to modify the mixed color of the composite thread.11-25-2010
20100178372DEVICE FOR MELTBLOWING - A device for meltblowing of synthetic fibers utilizes an elongated spinneret packet that is held at the bottom side of the spinneret carrier. In order to supply process air the two elongated air tubes extend at the opposite longitudinal sides of the spinneret carrier, which are connected to an air distribution device having an air channel system in the spinneret carrier. In order to avoid thermal stress in the expansion joints between the air distribution device and the spinneret carrier as much as possible, the air distribution devices are embodied by means of multiple distribution segments having an expansion joint between adjacent distribution segments.07-15-2010
20100154379Fitting Ring for an Opening Roller of an Open-End Spinning Device - Clothing ring (06-24-2010
20100119183Axial bearing - An axial bearing for a high speed open-end spinning rotor mounted without axial thrust in a support disc bearing arrangement has a static magnetic bearing component secured in a bearing housing with at least two axially polarized permanent magnet rings limited by pole discs, and a dynamic magnetic bearing component having ferromagnetic webs on the rotor shaft at the spacing of the pole discs. The static magnetic bearing component (05-13-2010
20100071341Method for Piecing a Yarn and Rotor Spinning Machine for Carrying Out the Method - A method for piecing a yarn at a rotor spinning machine comprising plural spinning stations, wherein more than five piecers are successively produced in a measuring phase and coordinates of measurement values and associated measurement values from individual measurements of the piecers are evaluated for averaging and determining a fiber band function taking into account a drafting reduced for the measurement values, which reflects the fiber flow behaviour in the form of the respective fiber band quantity supplied to the rotor as a function of the transport path of the fiber band feed. The speed of the fiber band feed is controlled in a delayed manner from the run-up of the yarn draw-off, dependent on the rotor speed, by the fiber band function, such that the fiber shortfall quantity being produced from the fiber band function is compensated by dynamic feed addition with respect to height and length.03-25-2010
20100058727Yarn Draw-Off Device for a Textile Machine Producing Cross-Wound Bobbins - Yarn draw-off device for a textile machine producing cross-wound bobbins with a yarn draw-off roller that can be driven by a single motor and an associated pressure roller which is driven via frictional engagement, characterised in that the yarn draw-off roller (03-11-2010
20100015266DEVICE FOR MELT-SPINNING SYNTHETIC FILAMENTS - A device for melt-spinning synthetic filaments includes a spin-die manifold for holding at least one bank of spinnerets and heating device for heating the bank of spinnerets. At least one spinneret with second heating device for heating the spinning pump is allocated to the bank of spinnerets and the spinning pump and bank of spinnerets are interconnected by a melt line. To achieve a user-friendly arrangement for the bank of spinnerets and the spinning pump, the pump and the second heating device are held by a separate pump support which is placed at a distance from the spin-die manifold. This allows the spinning pump to be heated independently of the spin-die manifold.01-21-2010
20090321982APPARATUS AND METHOD FOR DEPOSITING SYNTHETIC FIBERS TO FORM A NON-WOVEN WEB - An apparatus and method for depositing synthetic fibers to form a non-woven web includes guiding the synthetic fibers by a blowing stream through a drawing unit for depositing on a deposit belt. Multiple guidance elements are arranged inside the guidance distance between a blast opening of the drawing unit and the deposit belt, and form a guidance channel above the deposit belt. The guidance elements form a channel opening at a distance from the blast opening of the drawing unit. In order to achieve constant strength in the deposition of the fiber strands, the distance between the outlet of the drawing unit and the channel opening of the guidance channel is larger than half the guidance distance, and the guidance width of an open space formed between the outlet of the drawing unit and the channel opening of the guidance channel is larger than the guidance channel.12-31-2009
20090317505DEVICE FOR DRAWING FILAMENTS - A device for drawing melt-spun filaments for forming a spunbonded fabric includes at least one guide member. The filaments are guided through a slot-shaped nozzle, onto which compressed air is applied, and which conveys the filaments through the drawing nozzle. Guide members are provided on both sides of the slot on the base of the slot-shaped outlet, which cause a uniform structure of the fabric due to their shaping. This is achieved when a guide member has a plurality of notches parallel to the conveying direction, and the opposite guide member has a plurality of bores, which passively connect the space between the guide member with the environment.12-24-2009
20090263060Spindle bearing for a double-thread twisting spindle - A spindle bearing for a two-for-one twisting spindle, with a spindle rotor having a thread guide body and a spindle shaft rotatablv mounted in a vertical arrangement by a lower bearing device in a bearing housing which can be fastened to a spindle bank and which has an upper bearing device for mounting a protective pot. A lubricant duct extends from the top through the thread guide body at least approximately parallel to the rotational axis of the spindle shaft and opens into the lower bearing device.10-22-2009
20090260190METHOD AND DEVICE FOR THE CONTINUOUS CUTTING OF FIBERS - A method and a cutting device for the continuous cutting of fibers fed in fiber cables into fiber sections of particularly short length is disclosed. In order to avoid high friction forces between the formed knives and the fiber sections, and furthermore, to prevent excessive deforming of the fiber section during the transport between the knives, the knives are arranged at an offset to each other such that the fibers are initially cut into longer fiber sections, and into shorter fiber sections in a second step. The respective free space between the knives is increased due to the offset arrangement of the knives.10-22-2009
20090257060Housing for an Optical Measurement Device and Method for Producing a Housing10-15-2009
20090256278PROCESS AND DEVICE FOR MELT-SPINNING AND COOLING SYNTHETIC FILAMENTS - A process and a device involves melt-spinning and cooling synthetic filaments. Therein, a plurality of filaments is extruded from a polymer melt and, after the extrusion, is guided into a cooling shaft for cooling. Within the cooling shaft cool air is blown, via a blower wall, into the cooling shaft, where, for cooling, the filaments are guided along the blower wall and at a distance from it. In order to obtain cooling adapted to the particular filament titer, the blowing onto the filaments can be set by selecting one of several operating positions, where to change the operating position of the blower wall it is moved in the direction towards the filaments or in the direction away from the filaments.10-15-2009
20090249765METHOD AND APPARATUS FOR CRIMPING A MULTIFILAMENT THREAD - A method and an apparatus involves crimping a multifilament thread, wherein the thread which is produced by melt spinning is compressed to a thread plug. The thread plug is cast on the circumference of rotating processing drum for thermal treatment and is wrapped around the circumference of the processing drum with many side-by-side wraparounds. Following that, the thread plug is unravelled in an unraveling area on the circumference of the processing drum into the crimped thread which is pulled of the processing drum. To obtain a continuous and regular unraveling of the thread plug with multiple wraparounds and mutual touching of the wraparounds of the thread plug, the thread is guided at a slant from the unraveling area of the thread plug such that a growing axial space appears between the thread and the thread plug, on the circumference of the processing drum, during increasing wraparounds of the thread on the circumference of the processing drum.10-08-2009
20090230897Electric motor - An electric motor for a textile machine can be operated as a generator if the supply voltage fails. The electric motor comprises a rotor configured as the motor armature and a motor phase control circuit comprising a plurality of semiconductor components wherein the electric motor can be short-circuited if a predeterminable limit value is passed during generator operation. The motor circuit causes the short-circuiting on passing the limit value by activating one or more of the semiconductor components. The multi-phase electric motor is used as the single drive of a rotor of the textile machine. wherein the semiconductor components of the phase control bridge. on passing a predeterminable limit value, contactlessly short-circuit the electric motor to brake the electric motor.09-17-2009
20090230230Wind-On Device for Workstations of Two-For-One Twisters and Ply Twisters - Wind-on device for workstations of two-for-one twisters and ply twisters with a take-up bobbin, a drive shaft extending in the longitudinal direction of the machine, a friction roller which is driven by the drive shaft and causes the take-up bobbin to make a rotational movement, and a driven advance roller positioned upstream of the friction roller in the yarn run. According to the invention, in addition to the friction roller (09-17-2009
20090205925Clutch for Torque Transmission Between a Shaft and a Roller which is Arranged Coaxially Around the Shaft - The present invention relates to a clutch (08-20-2009
20090199631Textile Machine Producing Cross-Wound Bobbins - This invention relates to a textile machine that produces cross-wound bobbins, comprising a device, which is arranged on an operating unit and which serves to test the quality of a yarn or yarn piecings produced at one of the spinning locations of the textile machine. The operating unit has a tensile testing device as well as a device for transferring a yarn to the tensile testing device. The invention provides that the tensile testing device (08-13-2009
20090152762METHOD AND DEVICE FOR MELT SPINNING AND DEPOSITING SYNTHETIC FILAMENTS INTO A NON-WOVEN MATERIAL - A method and a device for melt spinning and depositing synthetic filaments into a nonwoven material are described. The synthetic filaments are extruded and pulled off here simultaneously next to one another in several filament groups and deposited jointly on a belt. Taking into consideration a later final processing of the nonwoven material, the filaments of the filament groups are deposited next to one another to form separate filament webs which are guided next to and parallel to one another. Narrower nonwoven webs can be produced even from very large production widths. For this purpose, the extrusion means and the pull-off means are disposed above the belt in such a manner that the filaments of the filament groups can be laid to form separate nonwoven webs.06-18-2009
20090134727Method for Operating an Electromotive Drive - A method for operating an electromotive drive of a textile machine, comprising a contactlessly mounted rotor and catch bearings. The rotor rests on one catch bearing prior to initial operation, and is spaced therefrom by an air gap during stationary operation. A control device allows the rotor to be held in a force-free floating state during stationary operation. The method executes the following steps: (a) inputting an output signal from the control device for maintaining the force-free floating state during operation; (b) calculating the air gap by evaluating the output signal; (c) comparing the calculated value with predetermined limit values; and (d) deactuating the drive when the limit values are passed. The control device comprises a position sensor with at least one sensor coil, at least one actuator coil, a position controller and an integrator, at which the output signal is obtained to determine the air gap.05-28-2009
20090134263Method for Avoiding Ribbon Windings - A method for avoiding ribbon windings in producing cross-wound bobbins at the workstations of textile machines in the “random winding” type of winding, by changing the traversing speed at which the thread is wound onto the bobbin. Each workstation has a single motor drive activated for the rotation of the cross-wound bobbin, and a single motor drive activated for a traversing thread guide. The diameters (D05-28-2009
20090120053Suction Air Nozzle for a Textile Machine - A suction air nozzle for a textile machine for storing a yarn length of a running yarn passing the nozzle opening. The nozzle has an elongate nozzle body, with a clear cross section having a narrower width in the region of its central longitudinal axis than in its tube-like edge regions. The nozzle further has an inlet opening, which has its largest width in the yarn running direction. The clear cross section of the nozzle body of the suction air nozzle increases from the inlet opening of the nozzle body in the axial direction to an end-side outlet opening.05-14-2009
20090104301DEVICE FOR MELT SPINNING OF A LINEAR FILAMENT BUNDLE - A device for melt spinning a linear filament bundle has a spinning shaft for mounting a longitudinal spinning nozzle group, having a nozzle plate including a plurality of nozzle openings on a bottom, and an inlet plate having at least one inlet channel on a top. A distribution chamber is provided between the inlet plate and the nozzle plate, which is connected to the inlet channel in the inlet plate and the nozzle openings in the nozzle plate. The inlet plate has multiple inlet channels provided at a distance to one another in longitudinal direction of the spinning shaft. Multiple distribution chambers arranged next to one another are provided in longitudinal direction of the spinning shaft. The inlet channels each end in one of the distribution chambers.04-23-2009
20090094958Joining method on a jet spinning machine, spinning device and jet spinning machine - A joining method wherein fibers of a fiber band are wound around an auxiliary thread threaded into a spinning device and drawn through a spinning cone. The newly spun thread is separated from the auxiliary thread and connected to the end of an upper thread. A spinning device is provided for a jet spinning machine for carrying out such method, comprising a first clamping device for temporary clamping of the upper thread and a second clamping device for temporary clamping of the auxiliary thread. A jet spinning machine for carrying out the method has a mechanism for storing the auxiliary thread and the newly spun thread, a mechanism for separating the auxiliary thread from the newly spun thread, and a splicing mechanism for connecting the newly spun thread to the upper thread, all arranged only on at least one operating carriage displaceable along multiple spinning stations.04-16-2009
20090049819System for activating a rotor drive of an open-end rotor spinning machine - A system for activating a rotor drive (02-26-2009
20090049669SPINNING, DRAWING AND TEXTURING MACHINE - A spinning, drawing and texturing machine for the production of curled threads includes a spinning unit and multiple machine modules associated with the spinning unit. Each of the machine modules has multiple processing assemblies for drawing and curling one of the threads, and a spooling unit for winding the thread. The machine modules positioned next to one another form a longitudinal side of the machine. The processing assemblies and the spooling unit are arranged among each other at one of the machine modules such that a narrow machine partition (T) in a range of <800 mm occurs on the longitudinal side of the machine. The spinning unit has one or more spinnerets and one spinning duct within the machine partition (T) per machine module. The spinnerets are held in rows parallel to the longitudinal side of the machine.02-26-2009
20090041880DEVICE FOR MELT SPINNING, TREATING AND WINDING SYNTHETIC THREADS - A device for melt spinning, treating and winding synthetic threads includes a spinning unit, a treatment unit and a winding unit. The spinning unit, the treatment unit and the winding unit are arranged in tiers one above the other and form a plurality of single-thread or multi-thread production positions along the longitudinal side of a machine. To permit a rapid, simple operation, in particular at the start of a process and during interruptions of the process, an operator walkway is located at a height between the treatment device and the winding device.02-12-2009
20090038286Balloon Control Ring for a Textile Machine - A balloon control ring for a textile machine for limiting a circulating yarn balloon, wherein the balloon control ring comprising a metallic hollow cylinder with a wear-resistant surface, is characterised in that the hollow cylinder (02-12-2009
20090035547Spinning device of a textile machine - A spinning device (02-05-2009
20080315812Method and device for starting an electric machine with a magnetically mounted rotor - A method and a device with a control apparatus (12-25-2008
20080290206APPARATUS FOR BOBBIN REMOVAL - An apparatus for bobbin removal in a winding machine has a projectingly held winding spindle for winding at least one bobbin. The apparatus further has a plurality of pivoting arms which in each case have a free plug-on end and an opposite holding end. The holding ends of the pivoting arms are connected to a pivoting shaft. At least one of the pivoting arms is held, in a removal position, in alignment with the winding spindle of the winding machine for the removal of the bobbin. The pivoting shaft is oriented horizontally, and the pivoting arms are guidable in a vertically oriented guidance plane.11-27-2008
20080283655Method and device for operating a winding device of a textile machine producing cross-wound bobbins - A method and device for producing cross-wound textile bobbins using a creel for holding a cross-wound bobbin, a bobbin drive roller operated by a single drive to rotate the bobbin and a thread traversing mechanism driven by a single motor. At a predetermined bobbin diameter or a predetermined thread length, a thread guide of the traversing mechanism is positioned to adjust a thread end reserve for an adjustable time span. While the thread end reserve (11-20-2008
20080237385Method for operating a textile machine producing cross-wound bobbins - A method for operating a spinning machine with plural spinning stations (10-02-2008

Patent applications by OERLIKON TEXTILE GMBH & CO. KG