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| Number | Title | Issue Date |
| 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 |
| 6033121 | Supporting disk for a supporting disk bearing of an open-end spinning rotor and method of making same The supporting disks for supporting disk bearings of open-end spinning rotors comprise a tire or ring with damping properties, as well as an essentially cylindrical running surface. In order to avoid heat build-up, the running surface is interrupted by tw... | 03/07/2000 |
| 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 |
| 5584170 | Method and apparatus for driving an open-end spinning rotor during automatic piecing In the case of a method for closed-loop controlling the revolutions of an open-end spinning rotor during automatic piecing, the spinning rotor is run up to its operating speed from a standstill by being coupled to a tangential drive belt, which runs at op... | 12/17/1996 |
| 5343686 | Process and device for pneumatic introduction of fibers into a spinning machine A process for introducing a fiber sliver into a fiber processing machine which has an openable sliver feeding device and a sliver introduction funnel and a sliver injector, comprising the following steps: opening the openable sliver feeding device, graspi... | 09/06/1994 |
| 5284008 | Sliver delivery system in textile machines that process sliver A textile machine for processing sliver includes a plurality of work stations disposed side by side. Each of the work stations has a respective fixedly assigned parking place. Sliver cans are each disposed on a respective one of the parking places behind ... | 02/08/1994 |
| 5193332 | Spinning or twisting device with a pipe shaped element capable of being subjected to negative pressure A spinning or twisting device in which a yarn is to be back-fed into the bore of a pipe-shaped element subjected to negative pressure in order to repair a yarn break. This pipe-shaped element is made in form of a yarn draw-off pipe of an open-end spinning... | 03/16/1993 |
| 5083420 | Process and device to piece a yarn on an open-end spinning device In a device for the piecing of a yarn on an open-end spinning device, a yarn mover by means of which a yarn end is fed to a yarn draw-off pipe is provided. A first stop to determine the cutting position and a second stop to determine the yarn insertion po... | 01/28/1992 |
| 4777790 | Method and apparatus for stopping and subsequently restarting an open end spinning machine A method and apparatus for stopping and subsequently restarting an open end spinning machine wherein, upon an electrical power interruption exceeding a predetermined duration, the spinning rotor, sliver feed roller, yarn take-up roller, and yarn winding d... | 10/18/1988 |
| 4757677 | Open-end spinner piecing method and apparatus and multi-position friction spinner embodying same An open-end spinning machine includes a low inertia sensing wheel frictionally engaging the package so that the rate of rotation of the frictional sensing wheel is sensed by a tachometer generator to provide a "winding rate" signal fed to a controller for... | 07/19/1988 |
| 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 |
| 4716718 | Open-end rotor spinning machine An open-end rotor spinning machine includes a plurality of spinning stations each including a first thread monitor monitoring a thread course and a rotor spinning device receiving a fiber supply and having a spinning element; an automatic thread joining d... | 01/05/1988 |
| 4706450 | Brake for an open-end spinning rotor In the case of a supporting roller bearing for a horizontally arranged spinning rotor, it is provided that braking means are arranged below a tangential belt moving between two pairs of supporting roller. The braking means contain two brake shoes that can... | 11/17/1987 |
| 4698961 | Fibre-opening unit for an open-end spinning unit Drive to the sliver feed roll of a fibre-opening unit of an open-end spinner is interrupted by de-activation of a clutch and simultaneously further rotation of the input shaft of a worm and pinion mechanism is blocked against further rotation by release o... | 10/13/1987 |
| 4698956 | Composite yarn and method for making the same A continuous process of making a blended yarn of staple fiber and long-fiber or filamentary material in which the long-fiber or filamentary material is passed through a rupture zone to produce lengths thereof which are fed directly into an air stream with... | 10/13/1987 |
| 4680925 | Open-end yarn piecer The travelling piecer carries a lever to separate the nip rollers, a yarn reserve forming device to receive the yarn and a threading device for threading a broken yarn from a package between the nip rolls and through the yarn reserve forming device. The p... | 07/21/1987 |
| 4676059 | Process and device for starting spinning on an open-end spinning apparatus In preparation for the start of spinning with an open-end spinning apparatus, suction is provided outside a fiber transport path on the periphery of an opening roller. Such suction is greater than spinning suction which exists at the mouth of a feed chann... | 06/30/1987 |
| 4656824 | Open-end yarn piecer The travelling piecer is provided with a threading pin which moves through an endless path in order to thread a seed yarn through the nip rolls of a spinning station and a yarn reserve forming device. The yarn centering mechanism employing a pair of pivotally ... | 04/14/1987 |
| 4628685 | Yarn piecing arrangement for an open-end friction spinning machine In the case of an open-end friction spinning machine having a plurality of spinning units that are arranged next to one another and having a movable servicing apparatus carrying out a piecing process, it is provided that approximately in the extension of ... | 12/16/1986 |
| 4584833 | Apparatus for emergency interruption of fiber supply to a spinning unit of open-end spinning machines This invention relates to an apparatus for emergency fiber supply to a spinning unit in an open-end spinning machine. According to the invention, a sensing unit controls an electromagnetic coupling and fiber supply device, such that a break in the yarn is... | 04/29/1986 |
| 4570430 | Yarn piecing arrangement for an open-end friction spinning machine A process and apparatus for piecing a yarn at a spinning unit of an open-end friction spinning machine is disclosed. Before the return of the yarn end, the wedge-shaped yarn forming gap is exposed by moving away a lid-type component containing at least on... | 02/18/1986 |
| 4563872 | Start spinning arrangement for an open end friction spinning machine A process and apparatus is disclosed for improving the start-spinning of yarn on an open end friction spinning machine. To facilitate an exact alignment of the return yarn end to be pieced up with newly supplied incoming fibers, the respective spinning un... | 01/14/1986 |
| 4561242 | Start spinning arrangement for an open end friction spinning machine An open end friction spinning machine is described with a plurality of spinning units which respectively each include two similarly driven, adjacently arranged, friction rollers forming a wedge slot for forming yarn, an inlet and opening device for guidin... | 12/31/1985 |
| 4379386 | Apparatus for interrupting the sliver supply in open-end spinning apparatus In an open-end spinning apparatus with an opening roller 2 and a supply device 1, a sliver clamp 5 associated with the supply device 1 is provided to interrupt the sliver feed and can be actuated when the supply roller 10 continues to run by a yarn monito... | 04/12/1983 |
| 4369620 | Apparatus for spinning-in yarns in open-end rotor spinning units The invention relates to an apparatus for the spinning-in of yarns in an open-end rotor spinning unit. The apparatus includes a spinning-in device for returning yarn end through a take-off duct into the spinning rotor, a severing device for shortening the... | 01/25/1983 |
| 4334403 | Spinning units in an open end spinning machine An open end spinning machine includes a plurality of spinning units. Each spinning unit includes a first yarn breakage sensing device assuming a yarn sensing, operative position, in which it contacts the yarn, when the spinning unit is in a normal spinnin... | 06/15/1982 |
| 4288975 | Method and apparatus for starting a spinning machine According to this invention, a spinning rotor is increased in speed until it reaches a predetermined higher speed beyond a lower speed region and then decreased in speed until it falls within the lower speed region, in which a yarn ending is effected. The... | 09/15/1981 |
| 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 |
| 4163359 | Method and apparatus for driving and piecing-up open-end spinning units The present invention relates to a method and an apparatus for changing the ratio of the yarn taking-up speed to the number of revolutions of the rotor at the time of yarn piecing and normal spinning. According to the present invention, the ratio of the y... | 08/07/1979 |
| 4159616 | Method for controlling an open-end spinning frame and an apparatus therefor In a spinning frame the fiber feed device for each spinning unit is controlled by a separate clutch interposed between a common drive and each unit. The clutches are disengaged during initial start-up and the yarn ends from a previous operation are return... | 07/03/1979 |
| 4156341 | Apparatus for monitoring sliver feed in a spinning machine Device for monitoring the feeding of a fiber sliver in a spinning machine having a device for feeding the fiber sliver thereto and a device for loosening the fibers of the sliver prior to spinning the fibers into a thread includes a device for detecting t... | 05/29/1979 |
| 4138839 | Service device for one or more open end spinning frames Servicing apparatus is provided for servicing a multiplicity of spinning assemblies arranged side by side in open end spinning frame. The apparatus includes a plurality of part instruments for performing separate servicing operations at respective ones of... | 02/13/1979 |
| 4132056 | Open end spinning apparatus An open-end spinning device wherein yarn is produced in a spinning compartment and withdrawn therefrom by yarn-withdrawal rollers and a winding device. The yarn storage device is interposed between the yarn-withdrawal rollers and the winding device. A kno... | 01/02/1979 |
| 4107957 | Mobile piecing device and method for an open end spinning machine A method and apparatus is provided for accommodating transfer of yarn supplied by an open-end spinning machine from a mobile piecing device to a spinning assembly. The yarn transfer apparatus includes a mechanism for automatically adjusting the speed of t... | 08/22/1978 |
| 4104854 | Dynamic yarn-braking arrangement for an open-end spinning machine An improved technique for stopping the advance of spun yarn through the draw-off rollers and distributing cylinder of an open-end spinning machine in response to a detected yarn breakage condition is described. A reversible clutch is selectively interpose... | 08/08/1978 |
| 4091606 | Open end spinning frame with a magnetic switch for sliver feed Open end spinning apparatus is provided which includes a magnetic reed switch for controlling sliver feed. A yarn sensor magnet attached to a movable yarn sensor engageable with a running yarn is disposed so as to open the magnetic switch and interrupt sl... | 05/30/1978 |
| 4083171 | Method and apparatus for eliminating an abnormality in a thread to be wound onto the bobbin of an open-end spinning device A method and apparatus for eliminating an abnormality in a thread being produced by a spinning element of an open-end spinning device and wound on a bobbin. A knotting device is placed in the path of the thread extending between the spinning element and t... | 04/11/1978 |
| 4080775 | Yarn piecing process and apparatus for an open end spinning assembly Process and apparatus for yarn piecing in an open end spinning assembly are provided. The individual steps of the yarn piecing process are controlled by a predetermined piecing program whose start is triggered as a function of the running up of a previous... | 03/28/1978 |
| 4078231 | Method and apparatus for monitoring the flaws in spun yarn produced on open end rotor spinning machines A method and apparatus for monitoring the production of spun yarn in an open end rotor spinning machine. The spun yarn is withdrawn from the open end rotor spinning machine at a constant rate of speed. As a result of changes in mass of the yarn created by... | 03/07/1978 |
| 4054024 | Apparatus for stopping and restarting the operation of an open-end spinning system The present invention relates to an open-end spinning system and more particularly to a method and an apparatus for stopping and starting the spinning operation of the open-end spinning system in such a way that the end portion of the spun yarn of the pre... | 10/18/1977 |
