Abstract: In an apparatus at a spinning preparation machine for changing sliver cans, sliver is delivered by a delivery device and deposited in a sliver can. The apparatus comprises means for moving a full sliver can away from the region of the delivery device and means for subsequently bringing in an empty sliver can, from a reserve position to the region of the delivery device. An intermediate storage device is arranged to be brought in to the delivery device during changing of the sliver cans is provided. In order to avoid disadvantageous piling up of the sliver on the intermediate storage device and/or in the sliver can and to allow can changing at maximum sliver production speeds, the immediate storage device is arranged to be driven such that it is movable whilst collecting the sliver.

Abstract: In an apparatus at a spinning room machine, especially a carding machine, cleaner or the like, for drawing a clothing onto a roller using a roller drive unit, which apparatus comprises a drive motor arranged to be in drive connection with the roller drive unit or with at least one roller of the machine, the drive motor co-operates with a rotary speed adjustment device. In order to allow, by simple means, automatic matching of the actual value of the speed of rotation to a prespecified value of the speed of rotation, the drive motor co-operates with a closed-loop rotary speed control device which is incorporated into the control and regulation device of the spinning room machine.

Abstract: A microwave resonator for or on a textile machine, especially a card, draw frame, combing machine or the like, for attachment to a measuring device for measuring the mass and/or moisture content of textile fibre material conveyable continuously through a resonator chamber, has a housing with wall elements, wherein through-openings in spaced wall elements lying opposite one another are coaxially connected by a tubular element and the interior space of the housing is hollow. In order substantially to simplify manufacture and permit an uninterrupted resonance field, the housing comprises a hollow profile with profile walls in which at least one tubular element connects through-openings in opposite profile walls with each other.

Abstract: In an apparatus at a spinning preparation machine for changing sliver cans, a sliver is delivered by a rotary plate 25 and deposited in a sliver can 15. Means are provided for moving a full sliver can 15, away from the region of the rotary plate for subsequently bringing in an empty sliver can 152 from a position of readiness to the region of the rotary plate. A first can path 271 is provided in the region of the rotary plate and a second can path 272 is provided parallel to the first can path, on each of which can paths a can carrier (26; 30) is movable in two directions. In order to provide an advantageous apparatus for sliver can changing, a can carrier 30 on the second can path 272 is capable of delivering an empty can to, and collecting a full can from, the first can path 27.

Abstract: In an apparatus at a spinning preparatory plant for detecting foreign objects, for example, pieces of cloth, tapes, string, pieces of sheeting and the like, in fibre material, the fibre material is transportable in an air flow through a fibre transport duct or a feed chute and an optical sensor system is associated with the duct or chute, the wall surfaces of which have at least one transparent region through which the sensor system detects the fibre-air flow. To permit the at least one transparent region to be kept clean in a simple manner during operation, and to permit an unobstructed detection of the foreign objects, the transparent region projects into the fibre-air flow and the fibre-air flow is able to flow along the transparent region in force-applying contact therewith.

Abstract: A device on a spinning preparation machine, for example a tuft feeder, having a feed device comprising at least one slow-speed feed roller and a counter-element, for example a feed tray, with which fibre material can be supplied to a downstream transport device, has a driven transport element, for example a conveyor belt. In order to provide improved delivery from the feed device, or improved takeover by the downstream transport device, and to allow troublefree operation, for the purpose of determining setting values for the optimum speed of the transport element, a function between the measured values of the feed roller speed and the measured values of the transport speed is so determined that the fibre material lies on the moving surface of the transport element.

Abstract: 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 provide an apparatus which is dimensionally stable and which facilitates servicing work, the web-guiding element, on the one hand, and the web funnel together with the pair of draw-off rollers, on the other hand, are arranged to pivot separately about the rotary mounting and are connected to one another by a locking and unlocking device.

Abstract: An apparatus for the sorting or selection of fibre, especially for combing, is supplied by supply device to a sorting device. Clamping devices are provided which clamp the fibre sliver at a distance from its free end, for combing in order to loosen and remove non-clamped constituents, such as, for example, short fibres, neps, dust and the like from the free end. To enable productivity to be increased and an improved combed sliver to be obtained, downstream of the supply there is arranged at least one rotatably mounted roller which is provided with clamping devices for the fibre sliver, which clamping devices are distributed spaced apart around the periphery of the roller, and combing elements are associated with the periphery of the roller.

Abstract: In an apparatus on a drafting system of a spinning room machine, especially a draw frame, carding machine, combing machine or the like, for weighting the drafting system rollers, at least one pressure-medium cylinder with a piston is acted upon by pressure medium and is arranged so as to be axially movable inside a cylinder housing. A piston rod extends from piston passing through at least one cylinder cover that defines the cylinder housing at the end. In order to improve the apparatus, for determining the position of the piston with the piston rod, at least one inductive displacement sensor is integrated into the pressure-medium system, and the inductive displacement sensor is connected to an evaluation device.

Abstract: In an apparatus at a spinning preparation machine, especially a flat card, roller card or the like, a clothed, rapidly rotating roller is located opposite at least one component at a spacing. In order, by means that are simple and that save time, to make it possible to set a modified carding gap when components having different parameters (construction, properties) are replaced, the component has an electronic storage unit in which information relating to the nature of the component is arranged to be stored. A writing device for writing in the information and a reading device for reading out the information may be provided.

Abstract: In an apparatus on a spinning room machine, especially a spinning preparation machine for depositing fibre sliver, in which there is a delivery device for delivering fibre sliver and a substantially planar receiving support surface for receiving and collecting the fibre sliver in the form of a can-less fibre sliver package, the receiving support surface being substantially unenclosed, the receiving support surface and the delivery device are displaceable relative to one another, the receiving support surface being movable back and forth horizontally. In order to effect simple discharge the fibre sliver package, together with the receiving support surface, is dischargeable from the machine, the fibre sliver package is removable from the receiving support surface and the receiving support surface is displaceable back into the machine.

Abstract: In an apparatus at a flat card for cotton, synthetic fibres and the like, wherein at least one stationary carding element comprising a carrying element with at least one clothing element is associated with a clothed roller, for example a cylinder, the tips of the clothing elements and the tips of the clothing of the roller lie opposite one another with a spacing and the carrying element has a hollow space. In order for the carrying element to be dimensionally stable in operation even when exposed to heat, the cross-sectional shape of the carrying element does not include an enclosed hollow space, and the opening is arranged in a region remote from the tips of the clothing element.

Abstract: In the case of a saw-tooth wire for producing a saw-tooth all-steel clothing for a roller or a carding element of a spinning room machine, having an elongate base region (foot) and an adjoining toothed region (blade) in which teeth are formed by cutting, the teeth comprising a tooth front, a tooth back and two side flanks, between the tooth back and the tooth front of two successively arranged teeth there is a gullet. To produce a saw-tooth wire, which comprises in particular teeth of exact and uniform tooth geometry, the teeth of the saw-tooth wire are made by treating with a laser device.

Abstract: An apparatus on a spinning room machine, especially a spinning preparation machine, is arranged for monitoring an electric drive motor, which is connected to an electronic speed-setting and/or regulating device, a rotating operating element being connected to the drive motor. In order to monitor the drive motor so that no damage occurs even under different operating conditions, there is a device for automatically determining the loading of the drive motor during operation, which is connected to a device for comparison with pre-set values for the loading, to which there is connected a display and/or switching device which can be supplied with electrical signals in the event of departures.

Abstract: In an apparatus at a spinning preparation machine, wherein a clothed roller is located opposite at least one clothed component, there is associated with the component, in contact therewith, a piezoelectric sensor which is connected to an electrical evaluation device in communication with a display device and/or switching device. In order, by simple means to make it possible to ascertain the carding intensity, the piezoelectric sensor is a structure-borne sound sensor and the electrical evaluation device is capable of determining the carding intensity from the structure-borne sound.

Abstract: In a clothing support for a card flat covering, the belt-shaped support is made of plastics material, and there is embedded in a base body at least one reinforcing insert which is also belt-shaped and which is arranged in the vicinity of the back of the support. In order to make possible stronger anchoring by simple means and to allow undisrupted oscillation of clothing wires, the base body has at least two layers (bottom layer and top layer) of different plastics materials connected to one another, and the bottom layer incorporates a fabric.

Abstract: In a coiler plate for sliver-coiling devices, especially of draw frames and carding machines, having a sliver channel with an inlet and an outlet for sliver and having a rotary plate, there is present on the underside of the rotary plate a cover which has a through opening. In order to create a coiler plate in a simple manner, a connection piece having a through opening is formed integrally with the cover by deformation.

Abstract: An apparatus is provided on a spinning preparation machine for adjusting the carding clearance. A clothed roller has a cylindrical peripheral surface and a cladding facing and spaced therefrom, wherein between the peripheral surface of the roller and a part of the cladding there is a carding region with a carding clearance where carding work is performed and carding heat is generated, heat leading to an alteration across the width of the machine in the contour of at least one of the components lying opposite each other. In order in simple manner to allow a uniform carding clearance under different production and processing conditions, the carding clearance can be made smaller by external energy input to at least one of the components facing each other and/or can be enlarged by throttling the energy input and the energy input.

Abstract: In an apparatus on a carding machine for cotton, synthetic fibres and the like, in which at least one flat bar with a flat clothing is present, in which a clothing strip having a flat clothing, preferably wire hooks, arranged in a strip-form support element, is secured to a support body of the flat bar and lies opposite the clothing of a roller, e.g. the cylinder, the spacing between a surface defined by the tips of the flat clothing and the tip circle of the cylinder clothing decreases in the direction of rotation of the cylinder. In order to be able to alter and adapt the angle (offset) in a simple manner in terms of mechanical engineering, the top face, of the clothing strip and the tip surface of the flat clothing are not aligned parallel with one another.