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| Number | Title | Issue Date |
| 7347040 | Fiber guide channel A fiber guide channel for pneumatic transport of individual fibers combed from a sliver by an opening cylinder of an open end spinning device for delivery to a spinning rotor. The fiber guide channel is arranged in a cover element for the rotor housing and the input... | 03/25/2008 |
| 7328569 | Arrangement for producing a spun thread from a staple fiber strand An arrangement for producing a spun thread includes a drafting unit having a delivery roller pair and an airjet assembly arranged downstream thereof. In the airjet assembly, a vortex chamber with an air evacuation channel is provided. Furthermore, at least one clean... | 02/12/2008 |
| 7281366 | Arrangement device for producing a spun thread An arrangement for producing a spun thread from a staple sliver including a drafting unit and an air jet aggregate arranged downstream thereof. A vortex chamber with an air evacuation channel is located in the air jet aggregate. A cleaning channel is arranged to the... | 10/16/2007 |
| 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 |
| 6308507 | Method of and apparatus for producing a textile yarn 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 reg... | 10/30/2001 |
| 6295800 | Apparatus for open-end spinning In the case of an apparatus for open-end spinning, a fiber feed channel is arranged between an opening roller and a spinning rotor, which fiber feed channel tapers in a transport direction and which comprises a deflecting zone on its transport path. Immed... | 10/02/2001 |
| 6105355 | Open-end spinning device for production Z- or S-twisted yarns An open-end spinning device (1) with a spinning rotor (3) whose rotor cup rotates at a high speed in a vacuum-loaded rotor housing (2) closable by a conduit plate (27). The spinning rotor (3) is supported with its rotor shaft (4) in the bearing nip of a s... | 08/22/2000 |
| 6101805 | Opening roller for an open-end spinning device An opening roller (1) for an open-end spinning device with a rotatably seated cylindrical roller body (7) is encircled by a sawtooth card clothing, (10, 10") molded in the form of a helical coil spring essentially entirely of a commercial ceramic material... | 08/15/2000 |
| 6101803 | Process and apparatus for piecing a yarn end in an open-end rotor spinning machine For piecing a yarn end at a spinning station of an open-end rotor spinning machine, the previously stopped feed roller is re-activated for a short pre-feeding period. The fiber beard, which has been thinned out by the still rotating open roller, can thus ... | 08/15/2000 |
| 6047538 | Fiber guide conduit for an open-end spinning device An open-end spinning device (1) with a spinning rotor (3) whose spinning cup rotates at a high speed in a rotor housing (2) loaded by a vacuum and closed by a yarn guide plate. A fiber guide conduit (14), arranged between a sliver opening device (26) and ... | 04/11/2000 |
| 6035624 | Fiber transporting apparatus for a rotor type open end fine spinning machine A fiber transporting apparatus for a rotor type open end fine spinning machine is provided that may reduce an amount of effective fiber discharged from a burling opening portion without degrading yarn quality of the spun yarn. Fiber opened by a combing ro... | 03/14/2000 |
| 6016650 | Fiber feed element for a rotor spinning machine The invention concerns a fiber feed element 1 of a rotor spinning machine. A bearing surface formed on the lower side 2 of the fiber feed element 1 can be disposed above a opening cylinder for the processing of the initial fiber material. A pivotably born... | 01/25/2000 |
| 5987869 | Debris removal device for an open-end spinning machine with a plurality of spinning units A mechanically operating debris removal device for an open-end spinning machine 1 comprises a guide conduit arranged below the spinning units and enclosing a debris conveyor belt. The guide conduit comprises a base and a cover, which may be pivotable or d... | 11/23/1999 |
| 5974778 | Arrangement for open-end spinning comprising a driven suction roller In the case of an arrangement for open-end spinning, a driven suction roller is provided which in a take-up zone takes up fiber material opened to single fibers and transports it to a suctioned yarn formation line. The yarn formation line is defined by a ... | 11/02/1999 |
| 5953897 | Fiber guide device for connecting a sliver opening device with a rotor spinning housing in an open-end spinning apparatus An open-end spinning apparatus (1) has a spinning rotor (4) rotating in a vacuum-applied rotor housing (2) closed by a conduit plate (37) with a sliver opening device (51) delivering individualized spinning fibers into the rotor housing through a fiber gu... | 09/21/1999 |
| 5953896 | Adaptor for an open-end spinning arrangement and method of making same An adaptor is provided for an open-end rotor spinning arrangement, which adaptor is exchangeably arranged on a cover element of a spinning rotor and projects partly into the inside of the spinning rotor. The adaptor comprises the first section of a yarn w... | 09/21/1999 |
| 5950415 | Opening device for an open-end spinning machine and method of making same A flexible sealing ring is arranged at an opening roller of an open-end spinning machine which rotates in a chamber of a housing connected to a vacuum source, which sealing ring is supported concentrically to the opening roller in the housing. In order to... | 09/14/1999 |
| 5946899 | Sliver opening device In an open-end spinning unit 1 having a pivotably mounted cover element 8 for covering a rotor housing 2 of the spinning unit 1, a sliver opening device is incorporated into the cover element 8. The sliver opening device has an opening cylinder housing 17... | 09/07/1999 |
| 5943853 | Open-end spinning machine with a trash removal system The adjacently arranged spinning aggregates of an open-end spinning machine are each provided with an opening device, which includes a removal opening for trash particles. A channel extending in the machine longitudinal direction takes up the trash partic... | 08/31/1999 |
| 5911676 | Low-speed trash belt for open-end spinning machine and method A method of reducing trash recirculation into the fiber formation stream of an open-end spinning machine yarn formation station of an open-end spinning machine of the type having a movable trash belt which collects trash removed from sliver during yarn fo... | 06/15/1999 |
| 5890356 | Open-end fiber veil spinning apparatus and method In a process for open-end spinning at least one sliver is opened to single fibers, which form a fiber veil. The single fibers are fed to a rotating collecting surface which is driven transversely to their travel direction, and are withdrawn from the colle... | 04/06/1999 |
| 5867975 | Apparatus for the initiation of spinning a thread on an open-end spinning apparatus The present invention concerns an apparatus, in particular a cover for a rotor (51), for the initiation of the spinning of a thread in an open-end spinning apparatus (1), which apparatus possesses a fiber feed conduit (6) which extends from a disintegrati... | 02/09/1999 |
| 5850730 | Opening device for an open-end spinning unit In the course of the installation or removal of an opening roller, the opening fittings, which for example consist of many pointed needles or a sawblade-shaped metal strip, represent a considerable risk of injury. So far no devices are known in connection... | 12/22/1998 |
| 5845477 | Device and method for feeding fiber material in sliver form and opening it into single fibers An open end spinning unit is disclosed which includes a feeding device forming a fiber beard nipping line for a fiber beard extending downstream thereof. An opening device acts on a downstream end area of the fiber beard to open the fiber beard into separ... | 12/08/1998 |
| 5832710 | Open-end spinning frame with dirt removal device An open-end spinning frame having a sliver opening device wherein the housing for the opening roller has a dirt outlet opening for removing dirt particles from the housing as well as for admitting air flow to assist in the fiber opening process. In accord... | 11/10/1998 |
| 5809766 | Device for cleaning fiber material in an open-end spinning aggregate In the case of an open-end spinning aggregate, an opening roller rotates in a housing which comprises a device for cleaning fiber material. A trash removal opening is provided between a sliver feed point and a fiber delivery point in the circumferential w... | 09/22/1998 |
| 5778653 | Suction roller for an open-end spinning machine In the case of an open-end spinning machine, a suction roller is provided which serves to transport a fiber veil, expanding transversely to the circumferential direction of the suction roller, to a yarn formation line. The length of the transport path and... | 07/14/1998 |
| 5775085 | Method and device for preventing mass fluctuations in fiber material The invention relates to a method and a device for preventing mass fluctuations in fiber material (1) which is processed in a spinning process using a rotor (10) to form a yarn (3). To this end, the mass fluctuations in the fiber material are detected in ... | 07/07/1998 |
| 5775086 | Device for opening fiber material into single fibers An opening roller for an open-end spinning arrangement is provided on its periphery with suction openings and with a combing structure comprising teeth. Each tooth exhibits a tooth front facing the rotational direction, which tooth front forms a negative ... | 07/07/1998 |
| 5749216 | Open end spinning apparatus In the case of an open-end spinning arrangement, a spinning rotor is arranged in a rotor housing, to which a vacuum of at least 500 mm water column is applied. A fibre feed channel, beginning at an opening roller with an entry opening, is directed with an... | 05/12/1998 |
| 5718110 | Arrangement for open-end rotor spinning In the case of a device for open-end rotor spinning with a spinning rotor, the spinning rotor is provided with a fiber collecting groove and a fiber sliding surface. The fiber sliding surface is provided with structured areas which are set in the opposite... | 02/17/1998 |
| 5687558 | Fiber supply arrangement for open-end rotor spinning In the case of an open-end rotor spinning arrangement, in which the spinning rotor is arranged in a housing which is connected to a vacuum source, a fiber feeding duct is provided which extends from an opening roller to the area of a sliding surface which... | 11/18/1997 |
| 5640839 | Method of spinning-in yarn on open-end spinning machines using a pressurized air feed and a device for carrying out the method A method of spinning-in yarn on open-end spinning machines in which an interruption of the spinning process is followed by the stop of the feed of the sliver (4) into the singling-out device (2) whose combing roller (22) keeps turning, and the rotor is st... | 06/24/1997 |
| 5640838 | Apparatus and method for effecting yarn piecing on an open-end rotor spinning machine In preparation of the piecing process in an open-end rotor spinning device, negative pressure is first applied in a housing containing the spinning rotor, and the rotor cover is brought from its operating position into a fiber evacuation position in which... | 06/24/1997 |
| 5632140 | Method and device for directly manufacturing a twisted yarn from dissolved fiber material In a method for manufacturing a twisted yarn a spindle rotor is positioned in a stationary cylinder housing. At least two spinning devices are supported in a receiving chamber of the spindle rotor such that the spinning devices are located adjacent to one... | 05/27/1997 |
| 5628177 | Method and device for manufacturing a twisted yarn in an integrated spin-twisting process according to the two-for-one twisting method from dissolved fiber material In a method for manufacturing a twisted yarn by an integrated spinning-twisting process a vacuum is generated within the spindle rotor. Individual staple fibers are fed by vacuum to at least two rotor spinning devices positioned within the spindle rotor i... | 05/13/1997 |
| 5605037 | Method and device for producing a twisted yarn A device for producing a twisted yarn has a spindle rotor with a hollow spindle axle connected to a vacuum source and also has a vacuum chamber connected to the hollow spindle axle. A fiber-dissolving device for producing individual staple fibers is provi... | 02/25/1997 |
| 5603210 | Device to convey fibers to the fiber collection groove of an open-end spinning rotor The instant invention relates to a device for the feeding of fibers (51) to the fiber collection groove (23) of an open-end spinning rotor (2). The latter is covered by a rotor cover (3) whose side toward the spinning rotor (2) contains a fiber guiding el... | 02/18/1997 |
| 5598695 | Rotor type open-end spinning unit having outer and inner rotors A rotor type open-end spinning unit has a collecting section collecting an opened and supplied fiber to make a fiber bundle. The fiber bundle is drawn through a yarn drawing passage to spin a yarn while twisting the fiber bundle. A rotatable outer rotor h... | 02/04/1997 |
| 5555717 | Open-end spinning device having an improved fiber feeding channel In the recess of a housing (4) of an open-end spinning device containing a driven opener roller (40), an insertion piece (32) is provided which contains the first channel part (30) of a fiber feeding channel. The insertion piece (32) is installed in housi... | 09/17/1996 |
