Abstract: In a drawing device for sliver comprising two endless moving elements having cooperating working runs between which the sliver passes, at least one of the elements is constituted by a plurality of bars extending between a pair of parallel carriers (e.g. chains) and each bar has a convexly curved outer working surface from which penetration members, (e.g. needles) extend.
Abstract: The doffing of full bobbins built on spools placed on the vertical spindles of fly-frames equipped with revolving flyers is performed by combining gripping means such as resilient clips carried by each flyer with retaining means such as an annular groove formed at the upper end of each spool. The releasable axial coupling thus provided is capable of temporarily supporting a spool and full bobbin in the top position while the spindle is moved downwards in order to remove the spool.
Abstract: In a drawing device for sliver comprising two endless moving elements having cooperating working runs between which the sliver passes, at least one of the elements is constituted by a plurality of bars extending between a pair of parallel carriers (e.g. chains) and each bar has a convexly curved outer working surface from which penetration members, (e.g. needles) extend.
Abstract: A textile drawing machine has interchangeable drawing heads mounted between the feed rollers and the drawing rollers, to enable it to treat different types of textile fibres. The heads are readily replaceable in a frame of the machine and have support and drive members engaging support and drive members on the frame.
Abstract: In a textile winding machine each of a pair of arms is connected at one end to a first wheel and supports a bobbin at the other end in a winding position with the bobbin resting against a driving roller. An endless band, such as a chain, extends around and engages both the first wheel and a second wheel and also passes around a tension roller. The second wheel is connected to a motor for being selectively driven in each of two directions and for driving the first wheel via the endless band. When not driving the second wheel, the motor blocks rotation of the wheels. The tension roller is positioned by the action of tension control means which has an active and an inactive position. The tension control means includes a shoe abutting against a bladder adapted to be connected selectively to a source of compressed air and to a discharge.
Abstract: The body of the flyer provides two identical limbs and is formed as a single hollow piece and in that the roving guide is constituted by a tube housed inside the corresponding limb and extending on the one hand into the upper part of the hollow shaft and on the other hand, into the corresponding arm.
Abstract: A removable fixing system for the needle bars on chain gills, for supporting and driving the bars, in which each bar is pivotally connected, by its two ends on two chains, and has, at one of its ends, a bent extension the free end of which is engaged in a fixed cam groove the configuration of which determines the orientation of the bar at every point on its path. Each bar is mounted for pivoting, by its two ends, respectively adjacent the inner lateral face of one of the two chains and adjacent the external lateral face of the other of the chains, the pivotal connections between each of the two members constituted by each bar and the corresponding chain each being provided by a respective pivot mounted in overhung manner on one of these two members, in a direction transverse to the direction of the chain, and engaged in a corresponding bore of the other member, while locking means ensure axial positioning of the bar on its pivots.
Abstract: In an automatic textile winding machine comprising a driving cylinder on which rests a slubbing bobbin for being driven thereby, a device for automatically forming an initial bight of a roving around the slubbing bobbin at the commencement of winding comprises a suction nozzle for receiving the leading end of the roving emerging from the nip between the driving cylinder and the bobbin and a reciprocating bight-forming finger which, in moving between a rest position and an operative position, engages the roving extending between said nip and said suction nozzle, and lays it around the bobbin, an air jet carried by the finger then serving to blow the leading end of the roving into the nip between the bobbin and the driving cylinder again.