Abstract: A combination apparatus for splicing and entwining fiber slivers. A nozzle support arrangement for the nozzles of a splicing mechanism is provided and comprises essentially round rods that are adapted to be disposed horizontally one above another, with the nozzles of the splicing mechanism opening on the surfaces of the rods via nozzle outlets that are surrounded by respective raised portions of the rods. A guide mechanism is provided downstream of the splicing mechanism for converting and bringing the fiber slivers into a flat sliver shape. The guide mechanism comprises the lowermost one of the horizontal rods, upon which the fiber slivers rest, plus two vertical guide rods that are disposed to the sides. Disposed downstream of the guide mechanism is a sliver funnel in which are successively disposed at least two pairs of further nozzles.

Abstract: A hydraulically damped elastic mounting, especially for the engines of motor vehicles. To achieve, with a straightforward and economical construction, an effective, purely hydraulic damping of long-stroke, low-frequency vibrations, and a complete absorption of acoustic, i.e. short-stroke, high-frequency vibrations, a working cylinder is filled with a low-viscosity hydraulic fluid, and a damping disk mounted on the connecting rod nearly completely spans the cross-sectional area of the working cylinder. Provided all the way around on the periphery of a damping disk is a profiled shape that seals, in a substantially contact-free manner, the annular gap between the damping disk and the inner wall of the working cylinder. The damping disk divides the working cylinder into two partial chambers that communicate with one another via at least one calibrated transfer passage.

Abstract: A lubrication system for a rotary-piston internal combustion engine of the trochoid type with roller or needle bearings between the eccentric and the rotor. Lubricating oil in a dosed quantity is passed through a bore in the side part adjacent the gearing between the shaft and the pinion of the gear, from where it is supplied to the connection of the eccentric where, due to the centrifugal force, it is sprayed or splashed into a collector plate at the eccentric wall at the side of the gear. A bore leads from this collector plate to the eccentric bearing and passes the oil into the bearing under the influence of the centrifugal force. Excess oil serves to lubricate the gear and the gas seal elements.

Abstract: A cap to cover all sides of the end of a supporting body of a hammer mill rotor. The cap has two side walls, each end of which is provided with an approximately rectangular opening. In the direction of rotation of the rotor, the cap has a forward transverse wall and a rear transverse wall, each of which is provided with openings for a securing element or a plug. Each transverse wall also has a planar, inwardly directed surface, with these surfaces being directed approximately toward the center of the rotor and forming equal acute angles symmetrically relative to a plane that extends through the hammer shaft and an axis of rotation of the rotor. The inwardly directed surface of the forward transverse wall rests upon a forward end face of the supporting body. A filler member having a rectangular cross-sectional shape fills the gap between the rear inwardly directed surface and a planar rear abutment surface of the supporting body.

Abstract: An external rearview mirror for a vehicle, with adjustment of the mirror being effected by a hand lever that removably engages in a funnel-like adjustment member that is disposed within a pivotable housing for the mirror body. In order in an operative position of the mirror to always assure a positive connection between the adjustment member and the hand lever, the adjustment member, with a resilient restoring force, rests against the hand lever in the operative position of the mirror, and rests against a stop in a non-operative, swung in or swung out position of the mirror. This restoring force is preferably effected by a torsion spring.

Abstract: A vacuum conduit arrangement for use with a central dust-collecting system that is provided in a building. The arrangement includes vacuum conduits that are interconnected by couplings. The arrangement further includes at least one connector for a vacuum hose of a cleaning apparatus. The vacuum conduits are conduit-like floor or base moldings that are disposed in the corner zones between the floors and walls of the building. These moldings can be easily retrofitted in an exposed manner as a conduit system along the edges of the floors.

Abstract: An apparatus for securing straight tubes between two tube sheets in a pressure-tight manner, especially in the manufacture of heat exchangers. Tubes are inserted, with play, in bores of the tube sheets. One end of each tube is hydraulically expanded via a pressure medium to thereby press this one end against the associated tube sheet. The one end is secured to the associated tube sheet, preferably by being welded thereto. Each tube is heated in conformity with a prescribed prestress that is to be produced in secured ones of the tube to take into account subsequent operation conditions to push a portion of the non-secured other end of the tube out of its associated tube sheet until a predetermined difference in length between the cold and heated-up states of the tube is pushed out.

Abstract: A foaming apparatus for driving out residual air from containers, especially bottles, that are filled with liquid material that can foam. The apparatus has a nozzle mechanism that cooperates with a control device and is disposed above a conveying section. To foam the material in the containers and to drive out the residual air from the latter as they move past below the nozzle mechanism, the latter is provided with a plurality of individual nozzles that in the conveying direction of the conveying section are fixedly disposed one after the other above the path of movement of the containers, with the spray nozzles being adapted to communicate with a common supply channel for the medium that induces foaming. Each spray nozzle is furthermore provided with a separately controllable control valve for establishing the communication of the spray nozzles with the supply channel.

Abstract: A deformable sealing arrangement for the gap between the edge of an opening in a building and the back end of a vehicle that is driven up to the opening. An apron is provided, with the side portions thereof being secured to the side legs of the U-shaped frame, and with the upper, transversely extending portion of the apron being secured to the horizontal leg of the frame. A horizontal tensioning member is provided below the horizontal, top leg of the frame, with the ends of this tensioning member being secured to the upper ends of the side legs of the frame. By tightening the tensioning member, the top leg can buckle upwardly. This counteracts the formation of creases in the apron and also counteracts a lateral displacement of the side legs.

Abstract: An axially split brake disk that includes two brake bands that form a brake ring and are interconnected by ribs. The brake disk further includes two brake ring halves that are separated by concentric and radially extending seams of division, in each of which one of the brake ring halves is provided with a projection that extends in a concentric direction, while the other brake ring half is provided with a corresponding U-shaped recess that accommodates the projection. The width of the projection is less than the width of the brake ring, as measured in a radial direction. The projection of the one brake ring half, as well as that portion of the other brake ring half in which the recess is provided, are provided with corresponding radially extending bores for receiving a holding mechanism, such as a sleeve-like or rod-like member, that is provided with pin-like elements for preventing the holding mechanism from shifting in a radial direction relative to the brake ring halves.

Abstract: An electrohydraulic control system for a hydraulic working cylinder, for example of a press, the piston of which has a main working surface and a smaller working surface on the rod side. A low-pressure circuit is provided for the feed or retraction movement of the piston, and a high-pressure circuit is provided for the loading movement at increased feed force and reduced speed. The connection or disconnection of these two circuits, when required, is produced with two 3/2 way valves that are coupled together. To control these control valves, there is provided an electrical reference motor that drives a cam disk which brings about the deflection of the coupled control slide valves of the control valves against a spring. A mechanical feedback is provided via the power piston, so that altogether a closed hydromechanical position control circuit is formed.

Abstract: A bead core for a pneumatic vehicle tire that is designed to have its beads disposed on the radially inner periphery of a rim. The bead core is in the form of an endless ring that has an essentially round cross-sectional shape. To increase the bead-seating reliability, it is proposed that the inner core of the bead core be hollow or be formed by a lightweight ring that serves as a spacer element. At least one layer of load-carrying cords is disposed about the inner core. These load-carrying cords have a solid cross-sectional area or a hollow cross-sectional shape.

Abstract: An axial sealing arrangement in a rotary-piston engine, comprising a sealing member that is, for example, made of metal, and is inserted into a groove in one surface of an engine component while it bears against the wall of a surface of a second component that moves relative to the first component. On that surface that bears against the low-pressure side wall of the groove, and on that portion facing the base of the groove, the sealing member is provided with a rounded ledge via which it bears against the low-pressure side wall of the groove. In addition, on that side facing the opposite contact surface, the sealing member is provided with recesses which extend transversely with respect to the longitudinal extension of the sealing member, and which may communicate with a groove extending beside the rounded ledge. The recesses open toward the opposite contact surface and thus into the clearance that is to be sealed. The sealing member may be manufactured by rolling a strip between two profiling rollers.

Abstract: A rear-view mirror for a motor vehicle. The mirror housing, which is provided with the mirror body, is pivotable about an upper transverse axis into two positions (normal position and anti-glare position). In order to reduce the sensitivity of the mirror to vibrations, the housing has a supporting surface associated therewith, at least for the two above-mentioned positions. The supporting surface is curved in conformity with the pivot radius determined by the transverse axis. The housing and the holder, which is used for mounting the housing, preferably have curved surfaces which correspond to one another and via which these component parts may be mutually supported.

Abstract: A heat-pump arrangement with an installation consisting of a motor and a compressor of trochoidal type construction adapted to conditions of heat pump systems to have the smallest structural size and nominal heat spread arranged between heat storage or accumulator and outlet large heat quantities per time unit passing therethrough as well as also being able to operate economically at low partial load range of operation. An intermediate part is provided between a motor and a compressor. Two annular chambers are arranged parallel and axially next to each other. An annular chamber is located toward the motor. The middle part has a dual-arc troichoidal-shaped casing or mantle runway and two side parts which have an eccentric shaft passing therethrough at right angles to the side parts; a triangular piston rotates upon an eccentric of the eccentric shaft for the motor and a compressor of the same type of construction is also arranged on the same eccentric shaft shared in common with the motor.

Abstract: An apparatus for aerating water with aeration heads that are fed from a common feed line. In order to achieve an intensive, uniform aeration even when the common line is disposed on an uneven surface, a flexible line is provided as a connection between each aeration head and the common feed line. This connection line can be a rubber hose, and can be relieved from tension by a steel cable.

Abstract: A method of manufacturing an integral asymmetrical membrane for the separation of liquid or gaseous mixtures. A membrane-forming agent in the form of a polyetherimide is mixed with a solvent that is miscible with water. The resulting mixture is introduced into or accommodated in a geometrical form. The form is then brought into contact with a precipitating agent and is post-treated.

Abstract: An apparatus for determining the position of an object or measuring point via a measuring element that is embodied as a Doppler signal emitter and receiver. Two parallelogram-type linkage systems, each having two ends, are provided, with one end being pivotably connected to the measurng element, and the other end being pivotably connected to a respective reference element, with the reference elements being disposed at a given angle to one another. The measuring element is pivotably connected in such a way as to be movable in a random fashion about an adjustable point.

Abstract: A tread surface profile including a three-part configuration. A circumferentially extending, centrally disposed, linear or zigzagged rib has connected on both sides thereof a plurality of central blocks that are separated from the rib by shallow and narrow venting grooves. On both sides of the rib, pluralities of profiled blocks that extend from a tire shoulder toward the rib, with the profiled blocks being separated from the central blocks of the latter by longitudinal, circumferentially extending channels, and being separated from one another by lateral channels. The profiled blocks and the central blocks are arranged in S-shaped configurations that extend over the width of the tread surface in a diagonal fashion. The shoulder end of each profiled block is oriented axially at an angle of from 90.degree. to 80.degree. relative to the central tire plane, and each rib end of the central blocks is oriented circumferentially at an angle of from 35.degree. to 55.degree. relative to the central tire plane.

Abstract: A central belt lock for safety belts, especially such belts for pilots and other aviators or for parachute jumpers, for the rapid and at the same time releasable connection of several belts which come together at a central point. To avoid the problem of having to carry out, during fastening or release of the belt, operations which impair the reliability of the lock, the rotary lock member is provided with a linearly displaceable device which is operated by finger pressure. This device is provided with at least one transfer element for temporarily releasing an arresting mechanism for the connection members. The linearly displaceable device is spring loaded counter to the direction which it is pressed, and when it returns to its starting position it moves the arresting mechanism back into the arresting position.