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| Number | Title | Issue Date |
| 7765783 | Open-end spinning device with an aerostatic axial bearing for a spinning rotor, an aerostatic axial bearing and a process for manufacturing an aerostatic axial bearing An open-end spinning device (1) with a spinning rotor (2) whose shaft end (11) is supported by an aerostatic axial bearing (10) with an air gap (18) located between a bearing plate (17) of the axial bearing (10) and t... | 08/03/2010 |
| 7594384 | Spinning rotor Spinning rotor (1) for an open end rotor spinning machine comprising a rotor shaft (2), a rotor cup (3), which has an opening (4), an inner chamber (5), a rotor groove (6), a conically widening slide wall (7) extendin... | 09/29/2009 |
| 7454890 | Supporting disk A supporting disk for providing bearing support to a rotor of an open-end spinning machine includes a hub ring (1) and a supporting ring (2) that surrounds the hub ring (1) at least partially with radial clearance. The hub ring (1) and th... | 11/25/2008 |
| 7454889 | Method for producing an effect yarn on an open-end rotor spinning machine, and corresponding effect yarn A method for producing an effect yarn on an open-end rotor spinning machine, formed from an alternating line-up of yarn sections and effects consisting of pre-determined thickenings, wherein an effect is produced where the yarn is joined by means of a piecing end, i... | 11/25/2008 |
| 7451588 | Driving system for high production open-end spinning machines Driving system for open-end spinning machines, in particular of open-end spinning rotors, in which the power necessary for the driving of said rotors is distributed between two electric motors situated at the head and tail-end of the spinning machine, with a common ... | 11/18/2008 |
| 7412818 | Rotor spinning machine A rotor spinning machine of the type comprising a plurality of working stations and a bobbin supplying device extending along the machine, wherein at least two service units supplying the working stations with bobbins are supplied by the supply device and wherein th... | 08/19/2008 |
| 7404285 | Adapter for a trash removal opening of an open end spinning machine An exchangeable adapter is provided for reducing the size of a trash removal opening of an opening roller housing in open-end spinning arrangements. The said adapter comprises two semi-spherical supporting surfaces at a distance to one another for positioning the ad... | 07/29/2008 |
| 7330108 | Security zones for casino gaming Systems and methods are described for monitoring a location of a casino game for use in a gaming establishment wherein at least some of the components of the game include an attached radio frequency-responsive element, such as an RFID tag. In one example, RFID reade... | 02/12/2008 |
| 7225606 | Rotor cup for an open-end spinning device A rotor cup for an open-end spinning device comprises a supporting base body which is provided with an insert. The insert comprises the fiber guiding surfaces, namely a fiber sliding surface and a fiber collecting groove. The insert is centered radially in the base ... | 06/05/2007 |
| 7181901 | Channel plate for an open-ended rotor spinning device A channel plate for an open-end rotor spinning device for closing a rotor housing charged with underpressure in which a spinning rotor rotates, having a channel plate tower extending into the spinning rotor, in whose shell face the outlet opening of a fiber guide ch... | 02/27/2007 |
| 7140172 | Covering for drafting rollers A spinning machine drafting device includes a pressure roller loaded against a lower roller such that a fiber structure is conveyed between the roller pair. The pressure roller has an outer circumferential layer disposed around an inner circumferential layer of diff... | 11/28/2006 |
| 7111446 | Method and apparatus for operating an open-end rotor spinning unit An open-end spinning unit, which comprises a spinning rotor 1 that rotates during the spinning operation at a high rotational speed in a closed rotor housing 2. The spinning rotor is rotated by an individual electric motor drive 18 and supported... | 09/26/2006 |
| 7065951 | Yarn withdrawal nozzle for an open-end rotor spinning arrangement and method of making same A yarn withdrawal nozzle for an open-end rotor spinning arrangement is provided which includes a spiral-shaped surface in the yarn deflecting area which extends essentially over the entire yarn deflecting area and designed as a continuous spiral without interruption... | 06/27/2006 |
| 7051508 | Yarn withdrawal device for open-end spinning arrangements and method of making yarn using same A yarn withdrawal device for open-end spinning arrangements has a yarn withdrawal nozzle and a balloon-breaking insert which extends the axial channel of the yarn withdrawal nozzle. The yarn withdrawal nozzle has a curved contact surface for deflecting a yarn to be ... | 05/30/2006 |
| 7048495 | Rotating machine having a shaft including an integral bearing surface A shaft (12) for a pump (10) or other rotating machine, made substantially out of only engineering plastic—such as the polymer PEEK or some other selected polymer—and including portions having respective surfaces (12a–d) serving as ... | 05/23/2006 |
| 7036301 | Channel plate adapter for an open-end rotor spinning arrangement A channel plate adapter 24 is provided for an open-end spinning arrangement 1 having a spinning rotor 3 which turns at a high number of revolutions inside a rotor housing 2 chargable with an underpressure. The channel plate adapter 24 | 05/02/2006 |
| 6955037 | Open-end spinning device An open-end spinning device comprises a spinning rotor (21) rotating in a rotor housing with a spinning insert (24) supported rotatably with respect to the spinning rotor (21) coaxially to the rotor axis (33). The spinning insert (24 | 10/18/2005 |
| 6920746 | Open-end spinning device An open-end spinning device has a spinning rotor (2) with a rotor groove (25) at its greatest inside diameter in which fibers are collected. A yarn shank (27) extending from a yarn withdrawal nozzle to the rotor groove (25) is curved in t... | 07/26/2005 |
| 6886322 | Yarn withdrawal nozzle A yarn withdrawal nozzle for an open-end rotor spinning arrangement, having an inlet funnel and a coaxially arranged structure in the inlet funnel, as well as notches arranged in a spaced-apart manner that are positioned in the traveling direction of a yarn downstre... | 05/03/2005 |
| 6886321 | Conduit plate adapter for an open-end spinning device A conduit plate adapter for use with an open-end spinning device, comprising a base body having a central passage bore extending therethrough and a yarn withdrawal nozzle mouth fixedly secured directly in the central passage bore. The conduit plate adapter of the pr... | 05/03/2005 |
| 6854256 | Spinning device A spinning device comprising a spinning box housing; a spinning rotor having a spinning cup on a rotor shaft; a cover element; a traveling belt acting tangentially on the rotor shaft; a rotor brake; a pivotable expander roller moveable within a maximum pivot angle v... | 02/15/2005 |
| 6826899 | Rotor shaft for an open-end spining rotor A rotor shaft of an open-end spinning rotor is provided with a peg-like shaft end having a reduced diameter. The shaft end has a front-end supporting surface which can be arranged to a step bearing, said supporting surface being provided with a wear-resistant insert... | 12/07/2004 |
| 6739117 | Supporting disk for supporting a rotor A supporting disk for supporting a rotor, in particular the rotor on an open-end spinning rotor, having a hub ring and a supporting ring situated on the outer circumference of the hub ring, made of a polymer material, and having a running surface for the rotor, wher... | 05/25/2004 |
| 6722118 | Method for open-end rotor spinning It is the object of the invention to propose a method for open-end rotor spinning, wherein the formation of cover yarn, in particular the so-called “belly bands”, is at least appreciably reduced. In accordance with the invention, the fiber flow exiting a ... | 04/20/2004 |
| 6716333 | Spinning rotor A hard, wear-resistant ceramic surface is applied to spinning rotor cups in an electrolytic bath on which is imposed a shaped-wave electric current. A special electrode has been designed to facilitate application of the coating to the unique shape of a spinning roto... | 04/06/2004 |
| 6662543 | Procedure and an apparatus for the reworking of open-end rotor spinning apparatuses The present invention concerns a procedure for the reworking of a open-end spinning apparatus for a spin rotor, which is carried in the V-notch between support disks and is supported by a ball axial thrust bearing. Where the reworking is concerned, the be... | 12/16/2003 |
| 6662542 | Open-end spinning device and process for temporary receiving a yarn In open-end spinning and in coordination with predetermined operating phases, a yarn suction pipe by means of which a yarn extending from a bobbin is to be received temporarily is brought successively into different operating planes. The yarn suction pipe... | 12/16/2003 |
| 6606847 | Method of spinning-in yarn on an operating unit of a rotor spinning machine and a device for carrying out the method A method of spinning-in yarn on an operating unit of a rotor spinning machine includes steps of yarn preparation for spinning-in, steps of spinning rotor preparation for spinning-in, and final spinning-in steps. The final spinning-in steps include at leas... | 08/19/2003 |
| 6591600 | Rotor spinning machine The invention relates to a rotor spinning machine comprising a plurality of operating units situated next to each other, each of which contains a spinning unit (1) with a singling-out device (5) having in its body a rotatably mounted combing roller (52) e... | 07/15/2003 |
| 6584758 | Supporting disk for mounting a rotor A supporting disk for supporting a rotor, in particular the rotor in open-end spinning rotors, having a hub ring and a supporting ring positioned on the outer circumference of the hub ring, having a bearing surface for the rotor, the outer circumference o... | 07/01/2003 |
| 6553750 | Process and device for the production of a yarn in an open-end spinning device A spinning rotor of an open-end spinning device is slowed down for piecing to a low rotational piecing speed and is then accelerated to the operating speed. For this purpose, the spinning rotor or an element in driving connection with it is presented a dr... | 04/29/2003 |
| 6497089 | Open-end spinning apparatus and a rotor cover The rotor cover (2) of an open-end spinning machine possesses a projecting cover cap (3) with a side recess (4), which, on its end remote from the rotor cover is bordered by a collar (40). This possesses both in the partial zone of its circumferential are... | 12/24/2002 |
| 6438935 | Process and apparatus for the manufacture of composite fibrous stand comprising glass fibers A process and apparatus are provided for the manufacture of a composite fibrous strand comprising glass fibers. Glass fibers and an additive fibrous material (e.g., thermoplastic polymeric fibers) are each introduced separately into a substantially rotati... | 08/27/2002 |
| 6401444 | Bearing composition for a open-end spin rotor An open-end spinning apparatus has a spin rotor (1) which, by means of its shaft (11) is supported by support plates (4), wherein as an abutment for the axially directed force on the spin rotor (1), an aerostatic axial bearing (6) is provided. The bearing... | 06/11/2002 |
| 6339921 | Textile yarn piecing device with an evaluation arrangement for determining parameters of an automatic yarn piecing process A piecing device with an evaluation arrangement for determining parameters of an automatic piecing process at a spinning station (1) of an open-end spinning frame, wherein a control device is provided which, initially in a test phase, controls the creatio... | 01/22/2002 |
| 6337525 | Bearing for a spinning rotor The present invention relates to a bearing for an open-end spinning rotor. The latter is driven at its rotor shaft by means of a tangential belt in a predetermined direction and is supported in a nip which is formed by at least two bearing disks capable o... | 01/08/2002 |
| 6321522 | Spinning rotor for open-end spinning machine and method for producing the spinning rotor A spinning rotor for open-end spinning machines and a method for balancing the spinning rotor in the course of a single clamping process by removing material from a cylindrical-shaped section of the collar (20) of the rotor cup (19) to form an identificat... | 11/27/2001 |
| 6298649 | Open-end spinning frame An open-end spinning frame (1) having a spinning rotor (3), whose rotor shaft (4) is supported, free of axial thrust, in the bearing wedge of a support disk bearing arrangement (5) and is fixed in place by means of a magnetic axial bearing (18). The axial... | 10/09/2001 |
| 6293083 | Spinning rotor for an open-end spinning frame A spinning rotor for an open-end spinning frame has a coating of a non-ferrous metal with hard material granules embedded therein, which is applied to the surface of the base material (12), in particular a nickel layer with diamond granules, wherein the c... | 09/25/2001 |
| 6240717 | Fiber conduit plate for an open-end spinning device An open-end spinning device (1) with a forwardly-opening vacuum-loaded rotor housing (2), a high speed spinning rotor (3) rotating in the rotor housing and with a fiber conduit plate (4) for closing the rotor housing. The fiber conduit plate (4) has a rep... | 06/05/2001 |
