Abstract: A bearing, especially for the necks on the work rolls of a rolling mill, with at least one bearing outer ring surrounding the neck, which ring has a cylindrical lateral surface in the bore of a chock, where it is supported in the direction of its radial load by way of an oil film, characterized in that the bearing outer ring has at least one recess with two boundary walls opposite each other in the circumferential direction, between which a projection, held in a fixed position with respect to the chock in the circumferential direction, narrowly engages.

Abstract: Method for producing tarnish-resistant and oxidation-resistant sheets, billets, rods, tubes, profiles or wires for tarnish-resistant and oxidation-resistant structural components which tolerate thermal and mechanical stresses, of copper or silver as matrix material exhibiting a high conductivity and a high softening temperature. The method includes preparing a copper or silver melt by adding, to the copper or silver, stoichiometric amounts of boron and zirconium whereby the stoichiometric amounts comprise additions of 0.3 to 0.6 weight percent of zirconium and 0.1 to 0.2 weight percent of boron, resulting in a fine dispersion melt of less than 1 volume percent of ZrB.sub.2 in the copper or silver. Subsequently, the fine dispersion melt is processed into semifinished products using continuous casting units or continuous rolling units.

Abstract: Pretensioned, two-row, angular-contact bearing, consisting of one-piece bearing rings with rolling elements between them, resting against flanges on at least one of the bearing rings, characterized in that the wall thickness of one bearing ring (1) is relatively small in comparison to its outer diameter, so that it can be elastically deformed in the radial direction.

Abstract: A method for the synthesis of an oxide high-temperature superconductor of defined composition by sintering of the starting oxides, wherein sintering is effected in a chemically and phyically closed system by generating a preset oxygen partial pressure through the use of peroxide additives, and the oxidic starting mixture is chemically shielded against the container material and stabilized thermodynamically.

Abstract: A process for producing a dispersion hardened copper alloy includes admixing to a copper melt from 0.3 to 15 weight % of molybdenum to provide a mixture which is a melt; superheating the mixture to a temperature ranging from about 200.degree. C. to about 1000.degree. C. above the melting point of coper to provide a superheated melt; and subjecting the superheated melt to very rapid solidification at a cooling rate ranging from 104.degree. to 106.degree. C./sec. The above process produces dipsersion hardened copper alloy comprising copper and from 1 to 15 weight % of molybdenum which is present in the dispersion hardened copper alloy as particles having a diameter of less than 0.1 .mu.m embedded in the copper matrix. Such dispersion hardened copper alloys are useful for providing electrical conductors which are subjected to elevated temperatures, such as for providing spot welding electrodes, particularly for welding of zinc-galvanized sheet metal.

Abstract: According to a method of dispersion hardening copper, silver or gold, melts on the basis of the matrix metals with stoichiometric additions of boron and boride-forming metals are superheated by 300.degree. to 750.degree. C. and subsequently subjected to extremely rapid solidification at a rate of at least 10.sup.3 to 10.sup.4 .degree.C. per second. The boride-forming metals used are preferably titanium and/or zirconium. An excess of preferably about 5 to 20% of boride-forming metal over the stoichiometric amount yields particularly favorable products.

Abstract: A rolling bearing arrangement for supporting a journal of a work roll has two cylindrical rolling bearings for carrying radial loads and an inclined rolling bearing for carrying axial loads arranged between the cylindrical rolling bearings. The rows of rolling bodies of the inclined rolling bearing have radially inwardly directed lines of load transmission and are displaceable on at least one of the respective raceways in both directions transverse to the rolling direction. The end surfaces of the inner ring of the inclined rolling bearing are slidably displaceable in a substantially radial direction on the opposing end surfaces of the inner rings of the cylindrical rolling bearings. The radial play between the inner ring of the inclined rolling bearing and the journal is greater than the radial play between the inner rings of the cylindrical rolling bearings and the journal.

Abstract: A sealed bearing arrangement for the ring rollers of a cold rolling mill is provided with a rolling bearing mounted on a journal of a rolling shaft and seated in the bore of a chock, and a pair of housing covers fastened to said chock on respective sides of said rolling bearing. Each of the housing covers has a bore in which a pair of sliding rings and a pair of O-ring seals are arranged. The sliding rings of each pair have mutually abutting end surfaces and respective outer conical circumferential surfaces which are resiliently supported by the respective separate O-ring seals. The O-ring seals in turn are supported by a conical bore surface formed on the corresponding housing cover and by a conical inner surface of a washer seated adjacent the inner ring of the bearing respectively. At least one shim ring is inserted between the side surface of a ring of the rolling bearing and a supporting shoulder surface of one of the housing covers or washers.

Abstract: Four-row cylindrical roller bearing for the working or back-up rolls of high-speed roll stands, in which, so that the rollers of all rows can roll evenly at high speeds without slippage, and also so that the bearing can be easily disassembled, the inner ring is provided with flanges on both sides of each row of rollers and, in the installed state, at least the two rows of rollers facing the roll body are each guided in a separate cage.

Abstract: An axial roller bearing assembly adapted for rolling mills comprising at least one pair of flat bearing discs having confronting raceway surfaces, means defining an annular pocket in one of the edges of the bearing disc members having a radial surface, a plurality of rollers in the space between the raceway surfaces, a cage for the rollers comprising a base plate confronting one axial end face of the rollers, a plurality of spaced projections defining roller pockets and a locking ring connected to the outer terminal ends of said projections having a ring shaped extension which projects axially on the side facing one of said bearing disc members beyond the base plate and rests with a front surface on said radial surface.

Abstract: An apparatus is disclosed for manufacturing splat foils by disintegration and rapid solidification of metallic melts. The apparatus has a self-consuming electrode disposed above a rotatable counter electrode. Attached to the counter-electrode is a conical plate which is cooled by a fluid circulating through its interior. The application of electrical energy to the electrodes causes the self-consuming electrode to melt and drop melt droplets onto the rotating counter-electrode. Centrifugal force causes the melt droplets to fly off the counter-electrode and contact the conical plate at which point they are rapidly cooled to form thin foils. A housing surrounds the electrodes and conical plate to collect the cooled foils and to permit the apparatus to operate in an inert atmosphere, if desired.

Abstract: An arrangement for intercepting entrained contaminants from a gaseous medium in a scrubbing liquid has a whirling chamber, a droplet-separating passage, and an impeller arranged coaxially downstream of one another. The whirling chamber has a constant-width inner annular zone and an outer annular zone surrounding the inner annular zone and decreasing in its axial width in the radially outward direction. A housing surrounds the impeller and/or the passage and is either cylindrical or spiral-shaped or partly both, and in the latter event the differently shaped parts of the housing are separated by a partition which has a central orifice of a smaller diameter than that of the impeller.

Abstract: A method is disclosed for the production of superconductors consisting of a polymer or glass matrix which contains a very fine dispersion of superconducting particles, approximately 50 to 100 A in diameter, of intermetallic compounds of vanadium or niobium with the elements aluminum, germanium, silicon, gallium or tin, or of niobium nitride or niobium carbonitride. The matrix material is first brought into a viscous state and the superconducting particles are admixed with the viscous matrix in such quantities that, after solidification of the matrix, the particles are spaced at an average distance of 10 to 100 A. The superconducting material may be then formed in wires, filaments and tapes.

Abstract: The scrubber has a substantially rotationally symmetrical vortex chamber provided at one end with an axial gas outlet whose diameter is substantially smaller than the diameter of the chamber. A coaxial impeller wheel is located at the other axial end of the chamber and admits into the region of the chamber periphery a stream of contaminated gas which has a component of movement in circumferential direction of the chamber. A plurality of spray nozzles spray a washing liquid into the chamber for contact with the contaminated gas therein.

Abstract: A method for the continuous production of ductile, superconducting tapes, foils, or wires disclosed in which extremely small superconducting particles are incorporated into a metallic matrix. In the method, niobium nitride particles are suspended in an electrolyte solution and are subsequently electrodeposited on an endless steel belt. The electrodeposited particles are peeled off the belt and formed into tapes, foils or wires.

Abstract: A method of the producing a ductile and stable particle superconductor, as well as the product itself, from particles of the formula NbN, NbN.sub.1-x C.sub.x where x is less than or equal to 0.5, Nb.sub.3 Al, Nb.sub.3 Si, Nb.sub.3 Ge, Nb.sub.3 Sn, V.sub.3 Ga or V.sub.3 Si from a reaction in a hydrogen plasma. The particles are incorporated into a metallic matix or coprecipitated with a metal powder.

Abstract: A process for incorporating a superconductive compound or compounds by fusion in a base metal having good electrical and heat conductive properties, such as copper, silver, aluminum, and the like. The process involves preparing a melt of the base metal and of the alloy components which combine to form the superconductive compound or compounds having a .beta.-W (A 15) structure. Then the melt is solidified at a cooling rate of at least 1000.degree. C./sec. whereby a ductile superconductive alloy is formed wherein the individual particles of the superconductive compounds are finely distributed in the base metal and are mutually spaced with respect to each other in such a way that the critical value for the tunnel effect is not exceeded.