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: Limited pivotability is imparted to a headrest for an automotive vehicle without having the resistance to pivoting change during the life of the headrest by providing a pair of pivot elements within the headrest which have brake stubs engaged by resilient strips functioning as brake shoes which bear upon these stubs and which are braced against the frame of the headrest to which the body of the headrest is attached. The support rods from the vehicle seat pass through openings in the bottom of the body to engage the pivot members.

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: Opening and blending apparatus for removing fiber from a row of bales has spaced parallel drums carrying disks and the like illustrated in spaced overlapping relation and being driven in opposite directions at different speeds. Spaced grid bar members may be offset in a gap between the drums and terminate in free ends. The grid rods may extend continuously from lateral fixation bars and may be connected by central elements.

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: The invention consists of a toothed wheel which in conjunction with a fixed sensor measures the revolutions or the angular velocity of a rotating component. The toothed wheel is constructed as a coil spring mounted on a circular ring-shaped mounting device and moved around a pivot with the rotation motion to be measured. The coil spring consists of an infinite helix the windings of which are of ferromagnetic material. Since the coil spring is moved past the fixed sensor, the change of the magnetic field in the coil of the sensor causes the generation of an alternating voltage the frequency of which is substantially proportional to the angular velocity of the toothed wheel.

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: 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: A bale opening device (1) for opening textile fiber material from fiber bales (9) and the like is disclosed which comprises a rotary tower (2) supported for pivotal movement about 180 degrees. The rotary tower reciprocates along a row of bales and has at least one cantilevered arm (3) carried by tower. Reducing unit (4) is carried by cantilevered arm (3) for reducing the bales while the tower reciprocates along the rows. Driving means (44, 45) is provided for causing the pivotal movement of the tower about 180 degrees. A rotary part which pivots with the tower, and a base plate (6) is fixed relative to the pivotal movement of the tower. A stop bar (31) is carried by one of the rotary part (5). A plurality of stop brackets (24, 25) are carried by the base plate cooperating with the stop bar.

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: An apparatus for opening pressed bales of textile fiber comprising spaced grid rods which are adapted to press against the surface of the bale. A toothed disk is mounted on a shaft which extends transversely of the grid rods and is supported to rotate in the space between the grid rods. The toothed disk has a plurality of teeth extending at an angle from the plane in which its central portion lies so that the tips of adjacent teeth revolve in the space between the grid rods in a different orbital path. The paths of the several teeth are adapted to be evenly spaced within the space between the grid rods.

Abstract: An apparatus for reducing pressed fiber bales arranged in a row is disclosed which facilitates removal of fibers from the upper surface of the bales adjacent a stationary member (28). Transversely extending rollers (18, 19) parallel to milling rollers (4, 5) are provided with blocking means (25, 26). These blocking means may be actuated to prevent rotation of rollers (18, 19). As rollers (18, 19) are carried by housing (2) so as to extend slightly beyond the housing in the direction of travel (16). Upon reaching stationary member (28), blocking means prevents rotation of roller (19). The teeth of roller (19) act as a rake to remove fibers from bale (24a) adjacent stationary member (28) as reducing means (1) starts its travel in the return direction. In this manner, the fibers from the entire upper surface of bale (24) are more totally and uniformly removed.

Abstract: Apparatus for opening compressed bales of fiber includes means for supporting one or more of said compressed bales of fiber in a row. A reciprocating tower is provided and supported for reciprocating alongside the row of said bales of fiber and has a cantilevered portion which extends over the row of bales of fiber at a height which is adjustable. Reducing means is supported by the cantilevered portion over the top surface of the bales for removing fiber therefrom. A horizontal channel is disposed adjacent to and above the reducing means for receiving fiber removed from the bale by the reducing means. The horizontal channel is connected to a telescoping vertical channel within the tower means for delivering fiber from the reducing means to the discharge channel in the tower when a suction force is created therein.

Abstract: Apparatus is disclosed for reducing bales of fiber which includes a tower that reciprocates alongside a row of bales. The tower has a cantilevered portion which extends transversely over the row of the bales and supports two milling rollers for removing fiber from the upper surface of the bales. The cantilevered portion has a generally horizontal fiber collecting channel for receiving fiber removed from the bales, and includes a closed chamber in which is located a single drive for driving the two milling rollers in opposite directions. An adjustable vent permits passage of varying amounts of the atmosphere through the closed chamber. The closed chamber is connected to the horizontal channel so that air currents created by suction through the vent convey fibers removed from the bales by the milling rollers to a fiber collection point within the tower.

Abstract: The invention is an apparatus for the acquisition of speed of rotation and/or angle of rotation signals on a shaft, on which there is a pulse transmitter on the circumference of the joint and a sensor which measures the pulses produced by the pulse transmitter located on a pivot part, which defines a pivot axis, around which the shaft portions of a cardan shaft can be pivoted in relation to one another.

Abstract: Centrifugal separator drum (FIG. 1) for the clarification and separation of liquids, having one or more paring systems 12, 13 for the removal of the clarified or separated liquids, a stationary inlet tube 11 which communicates with a smooth, cylindrical inlet chamber 18, which rotates with the drum and is affixed to the latter, via an opening that is slightly larger than the inlet tube. Outlets ports 20 lead out of the inlet chamber into a forechamber 21 which communicates on the one hand with an annular chamber 24 situated ahead of the inlet chamber and on the other hand with the riser passages 23 of the plate insert 4.

Abstract: There is provided a device for fastening a rod-like antenna element on an antenna supporting spar having a square or rectangular cross-section which device comprises a U-shaped clamp of spring elastic material having inclined portions at the free ends of the legs which portions extend in the direction of the base of the clamp. Adjacent to the base of the clamp, essentially aligning holes are provided in the legs for inserting an antenna element. In the non-deformed stage of the clamp a deformed portion of the base extends in the linear connection of the holes whereas the antenna element can be inserted into the holes when the legs of the clamp are pressed together.

Abstract: Oligomeric alkylene terephthalates having an average degree of condensation of 4 to 7 are produced by passing dimethylterephthalate and diol having at least 3 carbon atoms downwardly through a series of reaction chambers, each outfitted with stirring and heating means employed so that the temperature increases from stage to stage. Thereby transeterification is effected. The chambers are interconnected so that the methanol evolved in each chamber is vented without being admixed with the material undergoing transesterification in any of the other chambers. The transesterification product is then condensed at elevated temperature and under vacuum to produce the oligomer. The oligomers are high reactivity so that the further condensation thereof to polyesters is simplified.

Abstract: An improvement in the method of preparing a linear polycondensate of high molecular weight wherein a precondensate is initially formed and thereafter subjected to a one-step melt condensation in a vacuum while cleavage products are removed therefrom, the reaction mass being exposed in a thin layer by means of a stirrer to the reaction conditions, the improvement residing in employing as the precondensate a molten precondensate having an average condensation degree of at least 3, said precondensate being introduced into the melt condensation zone continuously while the cleavage products are driven off at the particular optimum, product-specific condensation temperature, the contents of the melt condensation zone being subjected to the action of a rotary stirrer until the melt has a melt viscosity of 1000 to 15000 poises and continuously withdrawing molten polycondensate in accordance with the speed of the reaction.