Abstract: A fiber bale opener includes a downwardly open housing which is adapted to be supported above fiber bales to be opened and which accommodates an opening roller having an axis and being arranged for detaching fiber tufts from upper bale surfaces. In the housing there is further arranged a suction duct through which fiber tufts detached by the opening roller are adapted to be removed by a suction air stream flowing therethrough. The suction duct has two lateral walls which are facing one another and which are spaced from one another in a direction parallel to the roller axis. One lateral wall has an upwardly extending first oblique air guiding face and the other lateral wall has an upwardly extending second oblique air guiding face.

Abstract: A carding machine includes a licker-in and a main carding cylinder cooperating therewith; a feed roller arranged immediately upstream of the licker-in as viewed in a direction of material feed into the carding machine; and a feed table cooperating with the feed roller for advancing fiber material to the licker-in. The feed table is arranged for executing excursions towards and away from the feed roller as a function of the material quantity passing between the feed roller and the feed table and a measuring device operatively connected with the feed table for generating signals representing the excursions. There is provided a motor connected to the feed roller for rotating the same. The motor receives setting signals as a function of the excursions. The feed table has a movable first part operatively connected with the measuring device and a second part situated between the movable first part and the licker-in.

Abstract: A method of feeding a plurality of fiber processing machines with fiber tufts, including the steps of pneumatically advancing fiber tufts by a conveying fan within a first tuft confining device into a second tuft confining device associated with respective fiber processing machines; compressing the tufts in each second tuft confining device by a compressing air stream whereby a compressed tuft column having a height level is obtained in each second tuft confining device; and measuring and regulating the pressure in at least one of the tuft confining devices. The first tuft confining device comprises a tuft conveying duct and the second tuft confining devices are formed of tuft collecting chutes.

Abstract: An apparatus in combination with a carding machine and a regulatable tuft feeding device for evening a running sliver produced by the carding machine. The assembly has a fiber-handling roller forming part of the carding machine, a motor drivingly connected to the roller, an rpm-setting device connected to the motor, a desired value setter connected with the regulatable tuft feeding device; a measuring device for determining momentary values of mass of the running sliver; a regulator connected to the measuring device and to the rpm-setting device for controlling the rpm of the roller as a function of the sliver mass sensed by the measuring device. There is further provided a limit value indicating device connected to the rpm-setting device for responding to predetermined setting limits.

Abstract: An apparatus which feeds a fiber lap to a fiber processing machine has a reserve chute connected to a pneumatic fiber tuft conveying duct to receive fiber tufts therefrom; a feed chute connected to the reserve chute; a feed roller arranged for advancing fiber tufts from the reserve chute into the feed chute; a drive for rotating the feed roller; an arrangement for delivering a compressing air stream into the feed chute for densifying a fiber tuft column therein; a plurality of air outlet openings to provide a passage of the air stream out of the feed chute; a pressure sensor situated in the feed chute; a pressure regulator connected with the pressure sensor and the drive for altering the rpm of the feed roller as a function of the pressure prevailing in the feed chute.

Abstract: A travelling opening device for detaching fiber material from top faces of fiber bales includes two opening rollers having generally horizontal longitudinal axes oriented perpendicularly to a travelling direction of the opening device; opening elements carried on the opening rollers; and grates formed of grate bars spaced parallel to the longitudinal axes and each having a horizontal length portion arranged to engage the top faces of the fiber bales. The elements of the opening rollers project between the grate bars and penetrate into the fiber bales. Each opening roller cooperates with a separate grate. The grates are movably supported independently from one another. The grate bars of each grate have a supported end and an opposite free end spaced from the supported end parallel to the travelling direction. The free ends of the grate bars constitute an open end of the grate. The open ends of the two grates are adjacent and are oriented towards one another.

Abstract: A bale opener includes a carriage arranged for floor travel along a travelling path; a tower mounted on the carriage for travel therewith as a unit and for rotation relative to the carriage about a vertical axis through 180.degree. at ends of the travelling path; an opening device mounted on the tower and projecting laterally therefrom; the opening device includes a generally horizontally supported opening roller arranged for rotation and for travel above serially positioned fiber bales for removing fiber tufts from top faces of the fiber bales. There is further provided a drive for rotating the tower through 180.degree.. The drive includes an rpm-controllable electric motor and a control arrangement operatively connected with the electric motor for setting predetermined rpm's therefor.

Abstract: An apparatus for measuring a travelling fiber lap prior to introduction thereof into a fiber processing textile machine. There is provided a thickness measuring device contacting the fiber lap for mechanically detecting thickness fluctuations thereof. A first transducer is connected to the thickness measuring device for converting mechanical signals into electric signals representing the thickness fluctuations, and a computer is connected to the first transducer for receiving the electric signals from the first transducer and a display device connected to an output of the computer.

Abstract: A yarn making machine assembly includes a yarn spinning chamber; a feed table adapted to support a silver thereon; a feed roller having a periphery defining, with the feed table, a clearance through which the sliver is adapted to pass; an rpm-variable motor connected to the feed roller for rotating it to advance the sliver; an opening roller arranged adjacent the clearance to receive the sliver and to break it up into fibers; a sliver thickness sensor including the feed roller and/or the feed table to execute excursions in response to thickness variations in the sliver running through the clearance; a device for generating an electric signal as a function of the excursions; a regulator for receiving the electric signal and for emitting a setting signal as a function of a difference between desired and actual thickness values of the sliver; and a device for applying a signal, representing the setting signal, to the motor for varying the rpm thereof to thus alter the rotational speed of the feed roller, whereby

Abstract: An apparatus for separating fiber waste from an air stream includes a duct guiding a waste-laden air stream; and a stationary collecting vessel communicating with the duct for receiving the waste-laden air stream from the duct. The collecting vessel has a separating surface arranged for allowing passage of the air stream and retaining at least one part of the fiber waste within the collecting vessel. The fiber waste is removed downwardly from the collecting vessel. The collecting vessel is formed of a cylinder wall having a longitudinal axis oriented substantially horizontally; at least one portion of the cylinder wall constitutes the separating surface. The duct merges tangentially into the collecting vessel.

Abstract: A method of processing textile fiber includes the steps of removing fiber tufts from fiber bale tops by a fiber bale opening device by effecting a travel of the opening device back-and-forth above serially arranged fiber bales to execute consecutive opening passes; lowering the opening device prior to each opening pass for adapting the opening device to the height level of the fiber bale tops; introducing the fiber tufts removed by the bale opener into a fiber storage device; conveying the fiber tufts from the fiber storage device to a successive processing station; and varying the duration of the opening passes by varying the travelling speed of the opening device. The travelling speed is varied as a function of a fiber quantity requirement by a fiber processing machine forming part of a fiber processing line and being supplied by fiber, at least indirectly, by the fiber bale opening device.

Abstract: An apparatus includes a fiber tuft feeder with discharge rollers for delivering a fiber tuft mass; a drive motor connected to the discharge rollers; a feeding device arranged for advancing fiber material obtained from the tuft feeder; and a textile processing machine having an input arranged to receive fiber material from the feeding device. An opening roller forms part of the tuft feeder and is arranged downstream of the discharge rollers for receiving fiber material from the discharge rollers and to advance fiber tufts. Devices produce a loose fiber tuft mass from the fiber tufts delivered by the opening roller, form a thin fiber lap from the loose mass and advance the fiber lap to the feeding device. A sensor is situated upstream of the textile processing machine for detecting fluctuations in quantity characteristics of the advancing fiber lap, and a transducer is connected to the sensor for generating electric signals representing the fluctuations.

Abstract: Apparatus for detecting a foreign body in a textile fiber bale. A search device is provided for detecting a foreign body in a textile fiber bale and a mechanism is provided for varying the location of the search device and of the fiber bale relative to one another.

Abstract: An installation for pneumatically supplying fiber material to a plurality of carding machines arranged for simultaneous operation includes a plurality of card feeders, each being operatively connected to a separate carding machine. Each card feeder has a feed chute delivering fiber material to the carding machine associated therewith and a reserve chute delivering fiber material to the feed chute associated therewith. The installation further has a common transport conduit connected to the reserve chute of each card feeder and a fan contained in the common transport conduit for advancing fiber material by an air stream to the card feeders and a control arrangement for varying the flow rate of the fiber material in the common transport conduit as a function of at least one operational parameter of the installation.

Abstract: An apparatus for automatically transporting at least one can between a sliver delivering spinning industry machine, e.g. a carding machine, and a sliver fed spinning industry machine, e.g. a drawing frame, by means of a transporting carriage. In order to improve loading and unloading as well as transport of the spinning cans, the carriage control, the carding machine control device and the drawing frame control device are connected with a central control unit.

Abstract: An apparatus for opening and cleaning fiber material has a casing, a beater cylinder supported in the casing in a horizontal orientation; a grid situated underneath the cylinder; a fiber inlet opening and fiber outlet opening oriented for guiding a fiber carrying air stream parallel to the cylinder axis into, through and out of the apparatus; and a deflector plate situated within the casing above the cylinder. The casing defines above the cylinder a free space which has a height dimension being approximately at least twice the diameter of the cylinder. There is further provided an air outlet opening in an upper part of the casing above the cylinder.

Abstract: A bale opener has a horizontally back-and-forth travelling assembly, including an opening device for progressively removing fiber material from a top surface of the bale during a working pass. The bale opener is combined with a spraying arrangement including a spraying nozzle mounted on the assembly for travel therewith as a unit. The spraying nozzle is oriented downwardly for discharging a downwardly directed fluid on the top surface of the bale during travel of the assembly.

Abstract: A method of regulating fiber quantities supplied to a fiber processing machine of a fiber processing line. The latter includes a fiber storing apparatus connected downstream of the fiber processing machine and receives processed fiber therefrom. The fiber processing machine includes a feed roller supplying fiber thereto. The method comprises the following steps: continuously rotating the feed roller by a regulatable drive during operation of the fiber processing line; generating a measuring value representing momentary fiber quantities in the storing apparatus; generating an analog electric signal representing the measuring value; and applying the analog electric signal to the regulatable drive of the feed roller for varying the rpm thereof as a function of the fiber quantity in the storing apparatus.

Abstract: An apparatus for producing a fiber lap includes a generally vertically oriented feed chute in which fiber tufts are introduced at the top and from which a fiber lap is discharged at the bottom. There is provided a movable wall element for varying an effective width of the feed chute for altering the width of the fiber lap produced by the apparatus.

Abstract: An apparatus for regulating fiber quantities supplied to a textile machine as a fiber layer, comprises a sensor device for mechanically sensing thickness variations of the fiber layer at a plurality of locations along the layer width and emitting individual mechanical signals representing the magnitude of thickness variations at each location, a transducer arrangement connected to the sensor device for converting each individual mechanical signal into an individual electric signal, a signal adder connected to the transducer arrangement for combining the individual signals into a joint electric signal, a regulator arrangement connected to the signal adder for comparing the joint electric signal representing an actual value with a predetermined desired value of fiber layer thickness for generating a setting signal, a fiber layer delivery device, and a setting device connected to the regulator arrangement and the fiber layer delivery device for controlling the setting device by the setting signals, whereby fiber