| Patent Number |
Title Of Patent |
Date Issued |
| 6865780 |
Method of and apparatus for controlling the suction in a thread-breakage suction unit of a texti |
March 15, 2005 |
| A method and a device for controlling the suction, by speed alteration of a blower motor, in a unit for suctioning away thread breakage in a textile machine. A standard speed of the blower motor without speed control is established to achieve the suction, after which the speed of the blo |
| 6604261 |
Drafting frame for a spinning machine |
August 12, 2003 |
| Downstream of the last roller pair of a drafting frame for a spinning machine, the roving is condensed in a fiber-bundling zone having a belt with perforations to which suction is applied. Another belt converges toward the belt with the perforations and engages the roving at a nip sp |
| 6418705 |
Method of automatically separating a roving upon removal of a bobbin from a roving frame |
July 16, 2002 |
| To improve the breaking of a roving between a pressing finger bed and a fully wound bobbin preliminary to a bobbin change, the roving is initially wound around the tube above the upper cone and an unwound roving reserve is formed from at least a half turn on the upper winding cone and th |
| 6341484 |
Drafting frame for a spinning machine |
January 29, 2002 |
| A sliver compactor is provided between a drafting roller of a drafting frame and the delivery unit which supplies the sliver to the spinning stations of the spinning machine. The sliver compactor has a shielding element juxtaposed with the perforated moving surface to which suction is |
| 6332312 |
Method and device for spinning with a suppressed yarn balloon |
December 25, 2001 |
| The invention relates to a method and device for spinning with a suppressed yarn balloon (75), whereby the rotation of the yarn is predominately produced between a top spindle (2) and the clamping gap (523) of delivery rolls (521, 522) at the exit of the drafting system (5). The top spin |
| 6324825 |
Drafting frame for a spinning machine |
December 4, 2001 |
| A drafting frame for a spinning machine, especially a ring-spinning machine can be readily retrofitted with a compaction device adjacent the last pair of drafting rollers if the condensing zone is defined between a clamping location formed by the nip of the last roller pair and a clampin |
| 6318060 |
Method and spinning machine for the production of core yarn |
November 20, 2001 |
| A method and device for the production of core yarn (63), whereby a core yarn (12) is brought to a fiber slubbing (8) which has been refined in a drafting system before said slubbing is reinforced by twisting. The core yarn (12) is embedded in covering fibers. The fiber slubbing is compr |
| 6308507 |
Method of and apparatus for producing a textile yarn |
October 30, 2001 |
| Singled fibers from a fiber strand, separated by a rotor, are collected by suction on a continuously moving surface of a perforated belt or rotary drum. The fiber packet is not formed with a twist in this region and, only upon transfer to a downstream region is the twist applied, e.g. by |
| 6289662 |
Method of and apparatus for clamping the underwinding thread of a spinning spindle |
September 18, 2001 |
| Below a ring-spinning spindle, a clamping ring and a clamping sleeve have frustoconical surfaces, at least of one first textured to increase the grip on an underwinding thread. The clamping sleeve, for example, may be spring-biased to axially engage the clamp and force may be required to |
| 6263655 |
Method of and apparatus for the bundling of sliver in a drafting frame of a spinning machine |
July 24, 2001 |
| Method of and apparatus for bundling fibers of a sliver in the drafting frame of a spinning machine in which a fiber-bundling zone is provided downstream of the last pair of drafting rollers. The fiber-bundling zone can be formed with a transporter for the sliver, e.g. a belt, provided |
| 6263653 |
Spinning plant with roving frames and ring-spinning frames |
July 24, 2001 |
| A spinning plant having one or more roving frames and one or more ring-spinning machines coupled by a common transporter has bobbin/core transfer units equipped with a color sensor which ensures that color coded cores representing particular roving qualities are replaced by full bobb |
| 6260784 |
Method of and apparatus for applying a thread to a winding sleeve |
July 17, 2001 |
| A thread guide engages the thread from a supply qallet to a suction element, while the thread is held by the suction element, to entrain the thread to the thread-capturing slit of a winding sleeve in a winding apparatus, especially a stretch winder. As a result, the thread meets the |
| 6216430 |
Spinning machine with a multiplicity of electrical loads |
April 17, 2001 |
| A spinning machine in a plurality of sections has its electrical loads, especially motors, yarn feeders, stretching and heating devices supplied with electrical energy through cable segments stretching the length of the respective machine section and having plug-and-jack connectors at op |
| 6202398 |
Method of and apparatus for producing a yarn on a pot-spinning machine |
March 20, 2001 |
| A yarn is made on a pot-spinning machine by drafting a roving and then condensing the roving via a suction roller or belt before the yarn is twisted on a pot-spinning station. |
| 6189308 |
Method of and apparatus for producing a yarn on a ring-spinning machine |
February 20, 2001 |
| A yarn is produced by condensing and compacting the roving after its passage through a drafting frame by suction rollers or suction belts and then twisting and winding up the yarn without the formation of a thread balloon on a ring spinning station with a balloon-limiting finger or c |
| 6182879 |
Device for moving a thread to a winding sleeve driven by a friction roller |
February 6, 2001 |
| A device for moving a thread to a winding sleeve driven by a friction wheel, especially in a stretch-winding machine, has a tubular portion adjacent the mouth into which the thread is drawn by suction and which is provided with at least one blade to sever the thread with a minimum te |
| 6158091 |
Drafting frame for a spinning machine having a roving compactor |
December 12, 2000 |
| A drafting frame is provided with at least one compaction unit in which a belt with a perforation under suction serves to draw together the fibers of a drafted roving. The belt is juxtaposed with a stripper spaced from the belt to remove fiber accommodations thereon. The gap between the |
| 6139181 |
Method and apparatus for determining a temperature of an inductively heated godet by measuring c |
October 31, 2000 |
| The temperature of a galette or godet is determined for the godets of a spinning machine for synthetic yarn, by evaluating the calibration curve for temperature as a function of voltage and current of the primary windings of the godets and a correction factor is established for tempe |
| 6134872 |
Method of and apparatus for producing a compacted yarn |
October 24, 2000 |
| A compacted yarn is produced by providing a row of orifices subsequent to drafting along which the fiber strand is guided and after which the fiber strand is subjected to a twist according to the invention the suction air flow is monitored at least at one suction location and upon fallin |
| 6131383 |
Spinning machine having a drafting frame provided with a suction roller |
October 17, 2000 |
| A spinning machine in which downstream of the drafting frame and as part thereof, beyond the output rollers thereof, a suction roller is provided above the roving and cooperates with at least one counterroller below the roving to condense the roving before it is wound up on a ring-spinni |
| 6131382 |
Method of and apparatus for making a mock yarn |
October 17, 2000 |
| To produce a mock yarn which is similar in appearance to a true yarn with respect to the ability to discern the components of the mock yarn after the twist has been imparted to the mock yarn, the rovings or slubbings forming the mock yarn, after drafting separately but parallel to one |
| 6092268 |
Apparatus for automatic removal of roving residues from roving bobbin tubes |
July 25, 2000 |
| Roving residue is removed from roving-bobbin tubes returned from the ring-spinning machines to the roving frame and upon detection of residual roving, that tube which carries a residue is switched with a tube from a magazine containing residue-free tubes. A color sensor detects the color |
| 6085511 |
Underwinding-thread clamp for a ring-spinning or ring-twisting machine |
July 11, 2000 |
| An underwinding thread clamp for a spindle of a ring spinning or ring-twisting machine has a clamping sleeve biased by a spring against and juxtaposed with a collar on the spindle. The juxtaposed surfaces of the spindle and collar have wavy contours so that, upon engagement of an act |
| 6082658 |
Method of and apparatus for winding roving bobbins |
July 4, 2000 |
| The roving slubbing at the conclusion of winding of a roving bobbin in a flyer type machine is passed in a descending spiral around the cylindrical body bobbin and then onto the lower winding cone, after it is looped in an overwinding onto the winding tube below the lower winding cone. T |
| 6056227 |
Device for automatically replacing thread bobbins and spooling device with replacement unit |
May 2, 2000 |
| In order to make possible an automatic replacement of full bobbins in a spooling device with continuous thread supply, the supplied thread from the traversing thread guide is lifted and directed to a cutting and suction device. The supplied thread is cut and sucked in. The full bobbin |
| 6044639 |
Flyer assembly for roving frame |
April 4, 2000 |
| An automatic spinning start-up flyer for a roving frame which has on a flyer arm a swingably-mounted pressing finger comprised of a pressing finger bar and a pressing finger arm with a pressing finger blade. The pressing finger assembly is mounted on a pivot axis at the centrum of the |
| 6042045 |
Ring spinning spindle with a yarn cutting device |
March 28, 2000 |
| A single piece thread cutter for a ring spinning spindle has radially and axially extending lugs spaced apart about the periphery of the cup shaped sheet metal cylindrical or conical body. Where the lugs are formed by bending tabs, they may be doubled up to increase the stability and |
| 6038846 |
Roving frame with a device enabling full roving bobbins to be replaced automatically by empty ro |
March 21, 2000 |
| The invention concerns a roving machine with a device for the automatic replacement of full roving bobbins journalled on a bobbin rail 4, with empty roving sleeves 13, which has at least one guide rail 5 for feeding a suspension carriage train 10 into and out of the region having front a |
| 6038845 |
Method for changing the bobbins in a roving frame |
March 21, 2000 |
| A process for bobbin replacement on a flyer frame provided with a drafting frame, flyers, spindles and a bobbin rail, in which, while the flyer frame is running, a sliver end for each sliver supplied by the drafting frame is placed upon an empty bobbin sleeve. Initially only the flyers a |
| 6032451 |
Spinning machine with condensing suction rotor for a drafting frame |
March 7, 2000 |
| A spinning machine having a drafting frame, a condensing unit at the downstream side of the drafting frame and a spinning station for winding up the yarn and imparting twist to the roving in forming the yarn. The condensing unit comprises a disk-shaped suction rotor oriented in a plane |
| 6029318 |
Drafting frame for a spinning machine |
February 29, 2000 |
| A drafting frame for a spinning machine has a compaction unit at the downstream end of the drafting path which can be removed and other rollers and belts of the upper and lower arrays can be advanced as required to maintain the length of the paths of the sliver. |
| 6023222 |
Method of monitoring a plurality of control loops by regulation ratio monitoring |
February 8, 2000 |
| For monitoring the appropriate operation of a plurality of control loops having the same setpoint, the control ratio is measured at each controller, is normalized and an alarm signal is generated if said normalized control ratio exceeds a predetermined alarm band. |
| 6021632 |
Device for producing thick and thin effects in a filament yarn |
February 8, 2000 |
| An apparatus for producing thick/thin effects in a filament yarn, whereby between inlet and outlet gallets or pairs of pinch rollers, in a stretching zone, the filament yarn contacts the periphery of at least one rotating disk which is heated and is formed with at least one region of |
| 6009698 |
Method of operating a ring-spinning machine with vertically shiftable thread-guide eyes |
January 4, 2000 |
| Thread breakage rates of a ring-spinning machine are measured successively and/or from different zones at the spindle stations and a thread guide between a headpiece of each spindle and the output rollers of the drafting frames can be vertically adjusted in response to a difference in th |
| 5996327 |
Method of and apparatus for transporting full bobbins and empty bobbin cores |
December 7, 1999 |
| 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 |
| 5987868 |
Monitoring of core mounting for a roving frame |
November 23, 1999 |
| A roving frame has a flyer region into which the suspension carriage trains are moved past a device for monitoring the presence or absence of cores or bobbins on the hangers. An error signal is transmitted in the case of an error and correction is effected when the suspension carriage tr |
| 5987866 |
Spinning process utilizing roving frames and ring-spinning frames |
November 23, 1999 |
| Roving bobbins of a weight of about 5 kg, by contrast to standard bobbins with weights up to 3 kg, can be used in a spinning system in which the flyer frames are of the multi-axial drive type and are equipped with an automatic bobbin change mechanism which transfers the full bobbins to |
| 5970699 |
Roving frame with bobbin changing device |
October 26, 1999 |
| In order to quickly exchange empty sleeves (18) for full bobbins (6)in a roving frame, guiding rails (14, 21, 22) are mounted along at least one row of flyers (4). A suspended carriage train (15) with hangers (16) can be driven on the guiding rails (14, 21, 22). By lifting and lowering t |
| 5943852 |
Method of an apparatus for producing thick/thin and/or color effects yarn |
August 31, 1999 |
| A thick/thin and/or color effect composite yarn is produced by depositing a sheath of one or more effect threads on a thick/thin filament yarn in which the thick regions are incompletely stretched, and the resulting assembly is then subjected to stretching to full stretch-out thicker |
| 5924644 |
Method of producing different types of spool windings, especially flyer or composite spools |
July 20, 1999 |
| A process for producing different types of windings, especially a flyer winding or a composite winding, in the formation of a spool on a core sleeve of a spindle in a draft-twisting machine or frame in which, instead of displacing the ring rail over the full height of the spool to be |
| 5918456 |
Drafting frame for a textile machine |
July 6, 1999 |
| A rail for supporting and guiding the lower belt of a drafting frame of a textile machine is provided with a coating of one or more of aluminum oxide, titanium dioxide, chromium oxide or molybdenum oxide in an oxide ceramic powder with a hardness of 800 to 1500 HV and a grain size of 45 |
| 5915510 |
Silver compactor in the stretching frame of a spinning machine |
June 29, 1999 |
| To allow the gap between a pair of belts and the output pair of rollers of a drafting frame for a textile machine to be reduced, the sliver compaction funnel which is disposed at the inlet side of the nip of the output pair of rollers is mounted on an arm which extends alongside the |
| 5904036 |
Roving frame and method of operating same |
May 18, 1999 |
| A roving frame has a drafting frame receiving sliver and feeding rovings to respective roving winding stations. Respective spindles at these stations receive core sleeves on which the roving bobbins are wound for respective flyers. An evaluating and control device is operatively connecte |
| 5902503 |
Heated godet for the heating of synthetic yarn |
May 11, 1999 |
| A low-loss, high-energy efficiency and low-cost heatable godet has a plurality of short wavelength infrared radiation heaters closely juxtaposed with the inner wall of the hollow drum of a godet onto which a synthetic yarn can be fed. The heaters can be angularly equispaced within th |
| 5901542 |
Ring-spinning machine with spring-biased thread-guide eye |
May 11, 1999 |
| A ring-spinning machine has spindles with head pieces, e.g. with fingers about which the yarn can be wound to reduce the ballooning of the yarn around the respective spindles. The thread-guide eyes above the headpieces can be depressed against a spring force from normal positions to enab |
| 5890355 |
Method of and apparatus for producing thick/thin effects in an incompletely-oriented filamentary |
April 6, 1999 |
| A method of and apparatus for producing a thin/thick effect yarn provides a thin/thick effect by segmentwise stretching of a filamentary precursor yarn which is combined with a fully-stretched filamentary precursor yarn so that the latter supports the former. The combination can be effec |
| 5884469 |
Ring-spinning machine with traveling underwind-residue remover |
March 23, 1999 |
| Along a row of spindles of a ring-spinning machine, an underwind-residue remover is displaceable by a belt whose belt stretches are horizontal and lie one above the other over the length of the machine. The underwined-residue remover has a shank guided along a rib at a track for the |
| 5875984 |
Hanger assembly for roving bobbins and core tubes |
March 2, 1999 |
| Improper actuation of a hanger for bobbins and bobbin core sleeves on a yarn-producing machine as a result of failure of the sleeve to seat properly at a spindle, is prevented by providing hangers with switching sleeves so that these can only be operated by a spindle shaft upon full |
| 5873230 |
Pneumatic pressing system for a drafting frame of a spinning machine and method of operating sam |
February 23, 1999 |
| In the pneumatic pressing of textile strands in a drafting frame the pressure in the pressure line is monitored by a pressure sensor and/or a flowmeter and used to control a value between the pressure source and that pressure line. According to the invention a disturbance signal is o |
| 5836146 |
Method of and apparatus for producing thick regions in a filament yarn |
November 17, 1998 |
| The distribution of thick regions along a filament yarn can have a random character if the thick regions of a filament from a first stretching zone are heated in a second stretching zone and thereby permitted to stretch and reduce in thickness. The heating in the second zone is out of ph |
