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| Number | Title | Issue Date |
| 7367088 | Apparatus at a carding machine having a web removal and silver formation device In an apparatus at a carding machine having a web removal and sliver formation device, there are provided, following on from the web removal device, a web funnel and a pair of draw-off rollers, which are arranged to pivot together with a rotary mounting. In order to... | 05/06/2008 |
| 6910326 | Cleaning device for the cleaning of a spin rotor and scraper element The invention concerns a cleaning apparatus for the cleaning of a spin rotor of a spinning station leaning head which can be insertably presented to the spin rotor and on which cleaning head are placed at least two scraper elements. In accord with the invention, the... | 06/28/2005 |
| 6748732 | Cleaning device for a rotor spinning unit The present invention relates to a cleaning device of a rotor spinning unit with at least one cleaning head and an extensible device to extend and retract the cleaning head. The cleaning head is replaceable and connected to the extensible device. ... | 06/15/2004 |
| 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 |
| 6516600 | Rotary drive for a spinning rotor during its cleaning For cleaning of a spinning rotor independently of the support of the spinning rotor, a rotary drive (4) is selectively movable into and out of contact with an outer rotor surface via entraining elements (7) for imparting rotary movement to the spinning ro... | 02/11/2003 |
| 5916119 | Device for the control of an air stream in an open-end spinning device The present invention relates to a device for the control of an air stream in an open-end spinning device (6). The open-end spinning device (6) is equipped with an air channel (8) opening into the second housing compartment (600) of the open-end spinning ... | 06/29/1999 |
| 5916118 | Device for preparing a piecing process in an open-end spinning machine So that stray fibers do not become attached to the rotor during a yam piecing process in the spinning box of a rotor spinning machine, the rotor may be cleaned by an air flow generated by drawing air into the rotor by the prevailing spinning vacuum or by ... | 06/29/1999 |
| 5816039 | Positive and negative pressure rotor cleaning method for a rotor spinning machine A method and device of cleaning the rotor (6) of a rotor spinning machine are provided in which, after the opening of a spinning unit, there are sucked off from the rotor (6) fibres and impurities being released from the inner surface of the rotor by pres... | 10/06/1998 |
| 5694756 | Process and device to stop an open-end rotor spinning device When an open-end rotor spinning device is stopped, a short yarn end is produced. For this, and in synchronization with the interruption of fiber feeding to the opener device (116), the fibers which continue to be combed out of the leading end of the fiber... | 12/09/1997 |
| 5666798 | Positive and negative pressure rotor cleaning assembly for a rotor spinning machine A method and device of cleaning the rotor (6) of a rotor spinning machine are provided in which, after the opening of a spinning unit, there are sucked off from the rotor (6) fibres and impurities being released from the inner surface of the rotor by pres... | 09/16/1997 |
| 5609015 | Apparatus for cleaning a rotor revolving in the rotor housing of an open-end spinning unit An open-end spinning unit includes a rotor housing and a rotor revolving in the rotor housing and having a fiber collecting groove formed therein defining a groove bottom. An apparatus for cleaning the rotor includes a cleaning device having a scraper to ... | 03/11/1997 |
| 5414990 | Process and device for conveying fibers in an airstream in an open-end spinning rotor To spin a yarn with an open-end rotor spinning device, the fibers are fed to a fiber guiding surface from which the fibers are deposited on the sliding wall of a spinning rotor after passing over a gap. At the same time, an air stream is guided through th... | 05/16/1995 |
| 5385009 | Process for piecing and cleaning in an open-end spinning device A process for responding to a malfunction at an open-end spinning station of an open-end spinning machine which requires piecing of the yarn at the spinning station. The process is for use in open-end spinning machines having a travelling service unit whi... | 01/31/1995 |
| 5367867 | Process and apparatus for cleaning an open-end spinning rotor A process for cleaning an open-end spinning rotor which has a fiber collection channel and an open edge, which is covered by a rotor cover. A first compressed-air stream is directed towards the fiber collection channel in a first cleaning phase. Then, in ... | 11/29/1994 |
| 5280700 | Cover of a spinbox of a rotor spinning machine A rotor cover designed with a sealing surface interacting with a compressed-air connection, whereby the compressed-air connection is effected via a connecting piece located between the rotor cover and the appertaining mounting plate.... | 01/25/1994 |
| 5095689 | Method and device for rejoining yarn with high efficiency in an open-end spinning machine A method for rejoining yarn in an open-end spinning machine in which the rejoining is effected by feeding intact fibres to the rotor but preceding the rejoining by an operation in which the sliver is cleared and the carder is cleaned by the high-vacuum su... | 03/17/1992 |
| 5083421 | Cleaning device for a rotor of an open-end spinning machine An open-end spinning machine has a rotor with a shaft, an opening and an interior with a fiber slipping surface terminating in a fiber collecting groove in a given plane. A cleaning device for cleaning the interior of the rotor includes an arm. A rotatabl... | 01/28/1992 |
| 4897993 | Cleaning device for open end spinning rotor A cleaning device for removing debris from the fiber collection groove of an open end spinning rotor utilizes a holder having a rounded end portion and a scraper component having a tubular foot portion mounted thereabout for pivotal movement with respect ... | 02/06/1990 |
| 4893462 | Open-end spinning machine and process for the start-up of such a device In an open-end spinning device with a spinning rotor a compressed air conduit is provided for directing an air current upon the inner surface of the spinning rotor. This compressed air conduit is connected through a stop valve to a source of compressed ai... | 01/16/1990 |
| 4821502 | Method of and apparatus for controlling the yarn spinning-in in the open-end spinning process A process of automatic yarn spinning-in in the spinning unit of an open-end rotor spinning machine of an automatic service device provided with a control unit having a programmable microprocessor control system for controlling the spinning-in cycle and th... | 04/18/1989 |
| 4757678 | Open-end rotor spinning machine An open-end rotor spinning apparatus is provided which includes at least one spinning unit having yarn deflecting elements downstream from a yarn withdrawal duct. The yarn deflecting elements deflect yarn from the yarn withdrawal duct in a yarn spinning p... | 07/19/1988 |
| 4669258 | Method of removing a blockage in a false twist spinning unit In a false twist spinning unit a fiber sliver is removed from a fiber sliver can and fed into a drafting mechanism. The fiber aggregation delivered by the drafting mechanism is received by a suction portion of a spinning unit and is passed to a twist-impa... | 06/02/1987 |
| 4653265 | Open-end spinning machine having a plurality of spinning units and a movable servicing apparatus An open-end spinning machine is provided having a servicing apparatus that can be moved along a series of spinning units, each unit containing one spinning rotor assembly comprising a shaft and a rotor. It is provided that in the individual spinning units... | 03/31/1987 |
| 4628684 | Method of piecing a yarn in an open-end spinning machine A yarn piecing method in an open-end spinning machine comprises stopping a yarn piecing machine in front of a spinning unit suffering a yarn breakage, reversing a package with a rewinding roller to rewind a yarn therefrom, cutting off the yarn to provide ... | 12/16/1986 |
| 4617792 | Air flow control arrangement for an open-end friction spinning machine In the case of a friction spinning machine having at least one spinning unit containing two friction rollers that are arranged next to one another to form a wedge-shaped yarn forming gap serving as the yarn forming zone, it is provided that in the area lo... | 10/21/1986 |
| 4548030 | Open end yarn spinning apparatus having rotor cleaning means An open end yarn spinning apparatus is disclosed which comprises a plurality of side by side spinning positions, with each spinning position including a circular spinning rotor, and aerodynamic bearings rotatably mounting the rotor. A maintenance carriage... | 10/22/1985 |
| 4542620 | Apparatus for cleaning a rotor of an open-end spinning unit Apparatus for cleaning the rotor of the spinning unit for the open-end spinning of yarn. The apparatus has a cleaning head with cleaning elements arranged in the form of a rotary brush mounted upon a rotatably driven shaft. In the cleaning head, at the re... | 09/24/1985 |
| 4510745 | Open-end spinning unit An open-end spinning unit is provided which has a spinning rotor open on one side and a bottom wall and an inner wall. A closing element covers the open side of the rotor and includes a fiber supply duct. To enhance the air conveyance of fibers to the inn... | 04/16/1985 |
| 4480433 | Rotor cleaning Means and method are disclosed to clean the fiber collection groove of an open end rotor's cup by use of a flexible member rotated about the groove and counterrotated in the opposite rotational sense, it being the changeovers or reversals in rotational di... | 11/06/1984 |
| 4403472 | Method of cleaning spinning rotors and apparatus for carrying out the method The invention concerns the pneumatic cleaning of spinning rotors for open-end spinning. Cleaning is accomplished in a manner such that the spinning rotor is brought to standstill and a cleaning device is snugly seated by means of its cleaning cover upon t... | 09/13/1983 |
| 4339914 | Method and apparatus for cleaning an open-end spinning rotor Device for cleaning an open-ended spinning turbine comprises a bell which can be fitted to a container holding the spinning rotor and which is mounted on an arm operated by a jack. The bell bears a piston of which the front tapered end probes the bottom of ... | 07/20/1982 |
| 4315399 | Procedure for cleaning a rotor of a spinning unit of the open-end type A cleaning procedure consisting in imparting some ultrasonic vibrations of which the frequency is a harmonic of the natural frequency to at least one mode of vibration of a groove (1b) for union of fibres in a rotor (1) of a spinning unit, and in applying... | 02/16/1982 |
| 4314438 | Spinning unit for open-end spinning machine A spinning unit for an open end spinning machine is disclosed. The unit includes a rotor having a short cylindrical portion defining a central aperture, a frustoconical portion connected at one end to and converging toward the cylindrical portion, and a p... | 02/09/1982 |
| 4265083 | Process and apparatus for individual piecing up of single open end spinning apparatus A method and apparatus for individually piecing up yarn on an open-end spinning machine which has a spinning rotor and a rotor brake. A rotor cleaning apparatus is carried on a pivotal cover and is used for cleaning the rotor responsive to being activated... | 05/05/1981 |
| 4245460 | Open-end spinning unit An open-end spinning unit is provided which has a spinning rotor open on one side and has a closed bottom and lateral sides. A closing component covers the open side of the rotor and includes a fiber supply duct directed at a slide wall part of the latera... | 01/20/1981 |
| 4245459 | Spinning chamber of apparatus for open-end spinning The present invention relates to spinning chambers of an apparatus for open-end spinning, which can be most effectively realized for producing yarns of low linear densities. This chamber comprises a housing shaped as a truncated cone with a larger open ba... | 01/20/1981 |
| 4241572 | Rotors of freed-fiber spinning devices The bottom wall of a cup-shaped rotor for a freed-fiber spinning device has a flat central portion surrounded by an inclined annular portion. The lateral wall of the cup has the shape of a cone frustum, the small diameter of which is located on the edge o... | 12/30/1980 |
| 4222224 | Device for temporarily stopping the operation of spinning stations Device for temporarily stopping the operation of spinning stations of a spinning machine equipped with means for automatic inspection and/or cleaning of the machine after an interruption in the spinning operation at a spinning station and for thereafter r... | 09/16/1980 |
| 4211063 | Method and device for cleaning spinning rotors in open-end spinning mechanism A method and device for cleaning a rotor in an open-end spinning machine. While the rotor is running at a speed less than the normal r.p.m. a first flow of cleaning air is directed to a collecting groove of the rotor and a second flow of cleaning air is s... | 07/08/1980 |
| 4166356 | Method of and apparatus for pneumatically removing a fibrous ribbon or a severed yarn end from the spinning rotor of an open-end spinning machine A method of and an apparatus for pneumatically removing a fibrous ribbon or a severed yarn end from the spinning rotor of an open-end spinning machine in the event of an interruption in the spinning process having the steps of withdrawing the fibrous ribb... | 09/04/1979 |
