Abstract: A device and method for pneumatically feeding fiber flocks into a plurality of feeding chutes of fiber processing machines connected with at least one distributing line, the feeding being effected through a fiber and transport air flow, characterized in that the distributing line is a formed by a closed circular line (4) into which a first transport line section (6) opens for feeding in fiber flocks, and that, at the end of the first transport line section (6), the fiber and transport air flow may be switched selectively into the one or the other direction of the circular line (4) through a switching means (8).

Abstract: In a multiple bale opener (1) for a plurality of rows of fiber bales (8) arranged side by side and supplied on transport means (6), comprising a reduction device (2) moved in a surface of action (16) having a plane of action extending at an angle to the plane of supply of the transport means (6). It is contemplated that the reduction device (2) consists of at least one action and provided at the end of the transport means (6).

Abstract: In a multiple bale opener (1) comprising a transport device leading pressed fiber bales (14,16) to a horizontal reduction area (3), the transport device having a section (20) rising towards the reduction area, and a reduction device (5) moved back and forth in the reduction area, it is provided. The transport device has a plurality of adjacent independent transport tracks (2,4,6,8), and the transport tracks (2,4,6,8) are pivotably supported at the rear end of the reduction area (3), seen in the direction of transport. The distance of each of the transport tracks (2,4, 6,8) to the plane of reduction can be adjusted separately at the front end of the reduction area (3), seen in the direction of transport, and the transport velocity of each of the transport tracks (2,4,6,8) can be adjusted separately.

Abstract: In a device for opening pressed fiber bales and spinning material set up in rows along a bale supporting wall (12) by means of a milling device (5) accommodated in an arm casing (6) and having two parallel milling rollers (3,4) working on the surface (20) of the fiber bales (7). A suction hood is arranged above the milling rollers for sucking the loosened fibers off in an air flow. A suction opening (18), open towards the bale surface (20), is recessed between the milling rollers (3, 4) in the front wall (14) of the arm casing (6) facing the bale supporting wall (12) and a stripping device (26) abutting against the bale supporting wall (12), is arranged at the front wall (14) in the area of the suction opening (18).

Abstract: In a device for opening pressed fiber bales material, using at least one milling roller (3,4) acting on the bale surface (20) of the fiber bales, and one pressure roller (18) arranged before and behind the milling roller, respectively, in the moving direction thereof and parallel thereto. A suction hood (21) is arranged above the milling roller (3,4) for sucking off the reduced fibers in an air flow. And air-guide channel (2), provided by a plurality of air-guide sheets (22,26), is arranged between the pressure roller (18) and the milling roller (3,4), extending over the whole length of the milling roller (3,4) and in parallel to the milling and pressure rollers (3,4,18).

Abstract: In a device for feeding flocculent fiber material to processing machines, comprising an upper filling chute (1) arranged in a housing, at the lower end of which a feeding roller (8) is arranged cooperating with a beater or opening roller (9) from which a feeding chute (6) branches tangentially, the filling chute (1) and the feeding chute (6) having at least one at least partially air-permeable chute wall (2, 11), an additional pneumatic compacting being performed in the feeding chute by injecting a compacting air flow (C), and the flow of transport air (A) being discharged at the air-permeable chute wall (2) of the filling chute (1), it is provided that the flow of transport air (A) is discharged within the housing (7) into an exhaust air chute (3, 4) that is substantially parallel to the filling and feeding chute (1, 6) to an exhaust air connecting member (5) arranged downstream of the air-permeable chute wall (11), and that a partial air flow (B) of the flow of transport air (A) is supplied into the feeding

Abstract: A suction device for a bale opener is provided for sucking off fiber flocks having a suction hood (1) being arranged above the opening means of the bale opener, extending over the whole working width and being connected with a suction channel (6) for removal of the sucked fibers, which suction hood (1) has a suction opening opposite the bale surface and consists of two opposite side walls (4, 5) as well as a rear hood-limiting wall (3) and an upper hood-limiting wall (2) which are at least partially curved. The invention provides that the highest point or uppermost portion (13) of the upper hood-limiting wall (2) is arranged in the central area of the working width and that both hood limiting walls (2, 3) of the suction hood (1) have a continuous curve.

Abstract: In an opening device for opening pressed fibre bales, e.g. cotton and viscose staple bales and the like, comprising a plurality of opener rolls (3,4) on which a plurality of milling discs (14) are arranged side by side such that they are offset with respect to the milling discs (14) of the adjacent opener roll (3,4), and comprising a grate (10), the bars (11) of which extend between the milling discs (14), it is provided to dispose a baffle sheet (8) with a cross section of a substantially gabled roof-shape is disposed in parallel to the roll axes (6,7) of the opener rolls (3,4) between said two opener rolls (3,4), the tip of the sheet protruding beyond the grate (10) into the lower space between the opener rolls (3,4).

Abstract: A hopper feeder for blending and feeding textile fibers is disclosed which includes a chute (3) having a bottom conveyor belt (5) and an upwardly inclined spiked lattice (6) for reducing and opening the fibers, and inclined surface (4) is disposed in the chute and extends at least half the length of bottom conveyor belt (5), and receives textile fiber from an overhead reciprocating feeder. A freely rotatable roller (11) maintains a column of fibers in working relation with spiked lattice (6). A door (15) is provided below inclined surface (4) through which textile fiber may be fed directly.

Abstract: In a blending device (1) for textile fibers, e.g. fiber flocks of cotton, comprising a fiber collecting device into which disintegrated fiber flocks drop after blending. A horizontal suction channel (10) is arranged at a lower end of the collecting device in which an airflow is created which transports the fiber flocks. The suction channel (10) has a waste collecting chamber (21) arranged in the entrance opposite the fiber collecting device. The waste collecting chamber is separated from the suction channel (10) by a grate (16) arranged in a plane of the surface of the suction channel, and the airflow in the entrance of the fiber collecting device sorts the fiber flocks in a transverse flow which transports the textile fibers down the suction channel while allowing the heavier trash and impurities to fall through the grate (FIG. 2).

Abstract: In a device for pneumatically feeding fiber to a machine such as a card or the like, the feed member (4) above the chute (2) is a tube of a circular or substantially circular cross section. The depth at the entrance of the chute (2) is less than the diameter of the tubular feed member (4).

Abstract: In an opening device for opening pressed fibre bales, e.g. cotton and viscose fibre bales and the like, by means of a reduction device, e.g. a milling device, being translationally movable over the surface of a bale or a row of bales, the reduction device having at least one milling roll with pressure rolls (17, 18) being disposed axially parallel on both sides of the reduction device, opener discs (14), provided on the milling rolls (3,4) meshing with a grate (10), the grate bars (11) of which lie between the opener discs (14) that engage the bale surface, and with a metal detector device, it is provided that the grate bars (11) are extended towards the pressure rolls (17, 18) to the immediate vicinity of the pressure rolls (17,18), and that the metal detector device is formed by the grate bars (11) and said pressure rolls (17, 18), the grate bars (11) forming a first contact surface and the pressure rolls (17, 18) forming a second contact surface.

Abstract: Metallic toothed wire is disclosed for textile fibers processing elements for processing cotton, synthetic fibers and the like, and particularly for use with cleaning rollers in which the surface is clothed with the toothed wire. The toothed wire comprises a plurality of teeth having a tooth distance (4,17) between the teeth (3,16) in a circumferential direction of at least 10 mm. The teeth (3,16) have a height which extends to about one third of the tooth distance, and preferably no more than 3 mm. The teeth have an ascending rear portion (5,20) which ascends in a rear inclination over about half the tooth distance from a tooth base (9,19) to a tooth tip. An undercut portion (8,21) which has an undercut inclination extends downwardly from the tooth tip to the base. A positive front angle (7,23) is between the rear inclination and the undercut inclination within a range of 10 degrees to 40 degrees.

Abstract: A process and apparatus for blending fibers of a plurality of fiber flow is disclosed which includes a fiber feed device (2a, 2b, 3a, 3b) which feeds fiber layers (12) through an angular channel (13, 14) which rearranges the vertical layers into generally upright sections (12a) for transportation and weighing on a conveyor (14) by means of a weighing device (4a, 4b). The weighed fibers are delivered by intake rolls (32, 33) to a common opening roller (20) which opens and mixes the fibers according to a predetermined ratio as controlled by the weighing device. Fibers are discharged by a pneumatic source (40) to individual storage units (41), each of which may be made to store a different blend ratio.

Abstract: Apparatus for cleaning textile fibers such as cotton, etc. is disclosed wherein the fibers are conveyed by an air current to an opening roller cooperating with a grate, and the transport air is separated at a feed box. The separated air (17) serves for discharging contaminants accumulating in a space (9, 11) beneath the cleaning grate (8). The opening roller (7) may be provided with a toothed wire (20) whose teeth have a relatively acute top rake (22).

Abstract: A textile fiber opening and removing apparatus (1) is disclosed having a tower (2) wherein at least one cantilevered arm (5, 6) is supported on the tower in such a manner that the cantilevered arm rotates about a longitudinal axis of the tower and a central axis (31) of a fiber discharge section (11) to various angles. Control means (35) mutually controls and coordinates a lift motor (24) and a traction motor (28) to move cantilevered arm (5) and milling unit (7) over a prescribed inclined path. In this manner, fiber bales (4) may be continuously fed at the top of the inclined path for fiber removal.

Abstract: A sensor (14) is carried by a moving element (7) which may be a cantilevered arm of a textile fiber opening machine (1) having a movable tower (2) on which cantilevered arm (7) is carried. Sensor (14) includes a bar in which an electrical current generated from (17) and sensed by (18) is conducted to set up an electromagnetic field around the moving element in a danger zone. Changes in the field caused by intrusion of the zone by a person are detected to cut off machine operation.

Abstract: Apparatus for separating waste particles from a textile fiber flow is disclosed which includes a housing (2, 22, 34) with a deviation zone (4) and separation zone (6). Following the deviation zone is a fiber flow discharge channel (5). Following a separation means (10, 11, 23) is a waste chamber (7) for removing large and small particles of waste. The waste particle separation device includes a plurality of rod elements (10, 11) which are curved to guide lighter particles upwardly to prevent adherence to the separating element. Larger particles pass through openings between the rod-like elements to the collection chamber. Communication between the fiber flow and the waste flow may be had by using a valve member (27, 35) to intermittently connect a collection channel (25) with a suction removal source (8) via waste chamber (7).

Abstract: A textile fiber preparation feed system and method are disclosed in which processed textile fibers from a blender (A) are delivered to a flow-through textile cleaner (B) and then directed to a vertical chute feed (C). An air stream conveys the fibers from blender (A) to chute feed (C) across cleaning rollers (34, 36) of cleaner (B) without a nip feed providing increased cleaning efficiency. Control system (60) continues operation of top feed roll (52) after termination of carding machine (14) and discharge of fiber batt (12) from the chute feed to purge excess fibers in the air stream. In this manner, accumulation of the excess fibers in a fiber column (F) above top feed roll is prevented which would block air exit (50) and choke down top feed roll (52) upon resumption of the carding machine or fiber batt discharge.

Abstract: An apparatus for cleaning and opening fiber materials is disclosed having an intake roller (3) and an opening roller (5) wherein there is arranged between the intake roller and the opening roller (5) at least one intermediate roller (4) having a relatively small diameter and rotating at a high speed.