Abstract: In an apparatus for the fibre-sorting or fibre-selection of a fibre bundle comprising textile fibres, especially for combing, which is suppled by a supply device to a fibre-sorting device, especially a combing device, having clamping devices which clamp the fibre bundle at a distance from its free end, which is combed to remove non-clamped constituents, the clamping devices each comprise two clamping jaws. To increase productivity and to enable an improved combed sliver to be obtained, downstream of the supply device there are arranged at least two rotatably mounted rollers rotating rapidly without interruption, the clamping devices being spaced apart in the region of the periphery of the rollers, and the clamping jaws of the each clamping device are arranged to be movable in relation to one another and separately drivable.

Abstract: In an apparatus and a method for the fibre-sorting or fibre-selection of a fibre bundle comprising textile fibres, especially for combing, which is supplied by means of supply device to a fibre-sorting device, especially a combing device, and which is removed by a take-off device, to enable the productivity to be substantially increased and an improved combed bundle to be obtained, downstream of the supply device there are arranged at least two rotatably mounted rollers rotating rapidly without interruption, which are provided with clamping devices for the fibre bundle, wherein an actuating device for adjusting geometric and/or speed-related variables in the relationship of the rollers to one another are associated with at least one roller.

Abstract: In an apparatus for the fibre-sorting or fibre-selection of a fibre bundle comprising textile fibres, especially for combing, which is supplied by means of a supply device to a fibre-sorting device, especially a combing device, for removal of the combed fibre material at least one take-off device with a sliver-forming element is present, downstream of which is a drafting system. To increase productivity and obtain an improved combed sliver, downstream of the supply device there are at least two rotatably mounted rollers rotating rapidly without interruption, which are provided with the clamping devices for the fibre bundle, and between the sliver-forming element and the drafting system at least one conveyor element for a formed combed sliver is present.

Abstract: In an apparatus for the fibre-sorting or fibre-selection of a fibre bundle, especially for combing, which is supplied by means of supply device to a fibre-sorting device, especially a combing device, in which a mechanical device is present which generates a combing action to loosen and remove non-clamped constituents, and a clamping element is present for transfer of the supplied fibre material. To enable productivity to be increased in a simple manner and an improved combed sliver to be obtained, downstream of the supply device there are arranged two rotatably mounted rollers, which are provided with clamping devices for the fibre material having clamping elements that are distributed spaced apart in the region of the roller periphery and co-operate with counter-elements, the counter-elements in the case of the first roller being arranged opposite the roller periphery and in the case of the second roller on or in the roller.

Abstract: In an apparatus for the fibre-sorting or fibre-selection of fibre material which is supplied by means of a supply device to a fibre-sorting device, mechanical means are present which generate a combing action to remove non-clamped constituents such as short fibres. Downstream of the supply device there are arranged at least two rotatably mounted rollers with clamping devices for the fibre bundles, and the supply device comprises a feed unit, which feed unit comprises a feed roller and at least one feed tray defining a nip between said feed roller and said feed tray, and the retaining force in the nip optimally retains the short fibres completely or substantially completely in the nip during separation of a fibre bundle by said clamping devices.

Abstract: In an apparatus for fibre-sorting or fibre-selection of a fibre bundle comprising textile fibres, especially for combing, the fibre bundle is supplied to a fibre-sorting device, clamping devices are provided, which clamp the fibre bundle at a distance from its free end, and mechanical device is present, which generates a combing action from the clamping site to the free end of the fibre bundle. To increase productivity in a simple manner and obtain an improved combed sliver downstream of the supply device there are at least two rotatably mounted rollers rotating rapidly without interruption, the combing device are associated with a said roller, and an arrangement for optimum feed and/or positioning of the fibre material to be combed is associated with the combing device.

Abstract: In an apparatus for the fibre-sorting or fibre-selection of fibre material which is supplied by means of supply means to a fibre-sorting device, at least one mechanical device is present which generate a combing action to remove non-clamped constituents such as short fibres. To enable productivity to be substantially increased in a simple manner and an improved combed sliver to be obtained, downstream of the supply device there are arranged at least first and second rotatably mounted rollers with clamping devices for the fibre bundles, and the apparatus further comprises at least two supply devices and/or at least one further high-speed roller and/or at least two take-off devices.

Abstract: In an apparatus for the fibre-sorting or fibre-selection a fibre bundle which is supplied by means of a supply device to a fibre-sorting device in which clamping devices are provided which clamp the fibre bundle at a distance from its free end, and in which a mechanical device is present which generates a combing action, for removal of the combed fibre material a revolving element is present.

Abstract: In an apparatus for the fibre-sorting or fibre-selection of a fibre bundle comprising textile fibres, especially for combing, which is supplied by means of supply device to a fibre-sorting device, especially a combing device for removal of the combed fibre material at least one take-off means with a sliver-forming element is present, downstream of which is a drafting system to enable productivity to be substantially increased and an improved combed sliver to be obtained, downstream of the supply device there is arranged at least one rotatably mounted roller rotating rapidly without interruption, which is provided with clamping devices for the fibre bundle, which clamping devices are distributed spaced apart in the region of the periphery of the roller and the combed sliver formed is arranged to be supplied directly to the drafting system.

Abstract: In an apparatus for the fibre-sorting or fibre-selection of a fibre bundle comprising textile fibres, especially for combing, clamping devices are provided which clamp the fibre bundle at a distance from its free end, and a mechanical arrangement is present which generates a combing action from the clamping site to the free end, in order to loosen and remove non-clamped constituents. To enable productivity to be substantially increased in a simple manner and an improved combed sliver to be obtained, downstream of the supply device there are arranged at least two rotatably mounted rollers, clamping devices being distributed spaced apart in the region of at least one said roller's periphery, and the arrangement for generating a combing action is inside the roller.

Abstract: In an apparatus for the fibre-sorting or fibre-selection of a fibre bundle comprising textile fibres, especially for combing, which is supplied to a fibre-sorting device, especially a combing device, having clamping devices which clamp the fibre bundle at a distance from its free end, which is combed to remove non-clamped constituents, the clamping devices each comprise two clamping jaws. To increase productivity and to enable an improved combed sliver to be obtained, downstream of the supply device there are arranged at least two rotatably mounted rollers rotating rapidly without interruption, the clamping devices being spaced apart in the region of the periphery of the rollers, and each clamping device comprising at least one nipper part which is at least partially resilient. The clamping jaws may have a high coefficient of friction in the region of their clamping surfaces.

Abstract: In a device for identifying undesirable particles in textile fibre material, especially on spinning preparation machines, in which the detection of the undesirable particles is effected by optoelectronic means, the fibre material can be detected by a recognition device and the measurement results can be supplied to an image-processing device. In order substantially to improve evaluation of the measurement of the undesirable particles, there is a combing-out element for at least one fibre sliver, with which a fibre tuft having open ends in the working direction and a fibre tuft having open ends opposite to the working direction can be produced. The measured values of undesirable particles at both fibre tufts can be supplied to a comparison device and the comparison values can be used for optimising setting parameters and/or structural elements of the spinning preparation machines.

Abstract: In the case of an apparatus on a spinning preparation machine, e.g. a draw frame, flat card, combing machine or the like, in particular a double-head draw frame, with at least two driven drafting systems having force-transmitting means for driving drafting rollers of the drafting systems and at least one drive motor, a coupling is present between a drive motor and a drive shaft. To allow the effectiveness and efficiency to be substantially increased in a structurally simple and cost-effective manner, the respective drive chains are connected via a respective controllable coupling to the motor and the rotational speed of the motor can be reduced for the engagement and disengagement process.

Abstract: In an arrangement for mixing fiber components, for example fiber flocks, especially in spinning preparation, fiber web production or the like, in which the fiber material to be supplied is conveyable into at least two weighing containers and, when weighing is complete, the fiber material is dischargeable from the at least two weighing containers onto a mixing belt, the weighing containers are arranged one after the other—seen in the direction of travel of the belt—above the mixing belt. In order that accurate weighing, troublefree production and increased throughput can be achieved in a simple manner, the position of at least one weighing container can be adjusted transverse to the longitudinal extent of the mixing belt.

Abstract: In an apparatus for consolidating a conveyable fibre web, for example of cotton, synthetic fibers or the like, there is provided, at the exit from a flat card, roller card or the like, a web funnel together with take-off rollers, the outlet region of the web funnel has a substantially rectangular cross-section, and an endlessly revolving consolidating device, for example comprising two rollers, is provided downstream of the web funnel. In order to improve the apparatus for consolidation, the consolidating device comprises at least two roller pairs arranged one behind the other, which are biased by a force and the speed of rotation of which can be controlled.

Abstract: A detection apparatus in spinning preparation for detecting foreign objects of plastics material in or amongst fiber material. The apparatus includes a source of polarised light and a transport arrangement for transporting the fiber material such that the fiber material is irradiated by the polarized light source. An analyzer is arranged to render visible any change in a plane of polarization caused by the irradiation of the foreign objects of plastics material in or amongst the fiber material and a detector device is arranged to capture an image of contrast differences and/or color shifts in the fiber material rendered visible by the analyzer. The detection apparatus further includes an evaluating unit arranged to process the image to identify the foreign objects for removal.

Abstract: In a device on a textile machine, for cooling heat-emitting electrical components, for example electrical switching devices and/or switch cabinets, the heat-emitting components are cooled by an air stream. In order to provide a device that ensures the necessary cooling in a structurally simple way and is economical and low-maintenance, at least one partial air stream of the supply air to the machine is guidable towards the heat-emitting components and the supply air is able to absorb heat from the components and subsequently flow via outlet through components of the textile machine.

Abstract: In an apparatus on a carding machine for grinding a fibre processing clothing on a roller or a card flat, grinding equipment includes at least one grinding element and an infeed device serving to position the grinding element against the clothing. To permit reliable detection and monitoring of the contact between the at least one grinding element and the clothing in a simple manner, a structure-borne noise sensor is associated with the grinding equipment and an electronic evaluator is capable of determining from the structure-borne noise the intensity of the contact between the at least one grinding element and the clothing.

Abstract: An apparatus at a spinning room machine, especially a spinning preparation machine, for example a carding machine or draw frame, for visual signal display, has at least two light sources in the form of light-emitting diodes (LEDs), each of which is associated with a cover, the signal display—which is in communication with a control device—being capable of emitting signals of light of different colours. In order to provide an apparatus which especially is of simple construction and allows a reduced outlay in terms of manufacture and installation, a plurality of LEDs, which are located inside a clear or opaque cover, are capable of emitting coloured or white light corresponding to the particular operating situation of the spinning room machine.

Abstract: In an apparatus in spinning preparation for separating foreign objects at a roll for opening or doffing fibre material, at least one device for separating the foreign objects is associated with a face of the roll. That device comprises an arrangement for producing a current of blast air flowing onto the face for detaching the foreign objects and carrying them away. The arrangement comprises a plurality of blast nozzles arranged across the width of the roll. To permit separation and allow rapid changes of the action of the blast air current, a bar for mounting the blast nozzles is present and the outlet of the blast nozzles is locally displaceable in relation to the face of the roll.