Abstract: A rolling bearing for use with a screwthreaded spindle comprising a relatively thick-walled outer race ring and an inner race ring, rolling members rolling between the two rings, rings of rolling members rolling between the two end faces of the outer race ring and end plates disposed at a distance from the latter faces and connected to the spindle, the end plates being adjustably mounted on the spindle whereby their relative preloading can be adjusted, characterized in that the two end plates have in their bores an internal screwthread corresponding to the screwthread of the spindle and therefore themselves serve for securing and axially adjusting the bearing on the spindle .

Abstract: Novel 6-amino-7-hydroxy-4,5,6,7-tetrahydro-imidazo[4,5,l-j-k][1]-benzazepin-2-(1 H)-one derivatives of the formula ##STR1## wherein R is selected from the group consisting of hydrogen, alkyl of 1 to 8 carbon atoms optionally substituted with a hydroxyl, aryl and aryloxy of 6 to 10 carbon atoms, cycloalkyl of 3 to 7 carbon atoms optionally interrupted with a heteroatom optionally substituted with alkyl of 1 to 4 carbon atoms and the wavy lines indicates that the 7-OH and 6-amino have the trans configuration and their non-toxic, pharmaceutically acceptable acid addition salts having remarkable anti-hypertensive and hypotensive activity and vasodilatatory activity and their preparation.

Abstract: A rolling bearing arrangement for a cone crusher comprising a vertical drive shaft arranged within a housing and in alignment with a conical crusher jacket, the upper end of the drive shaft being slightly inclined to the axis of the crusher jacket and having a crusher cone mounted on said upper end, the crusher cone being supported by at least one radial rolling bearing and by a first thrust rolling bearing arranged at the lower end of the crusher cone, characterized by a second thrust rolling bearing arranged above the radial rolling bearing between the drive shaft and spring-elastic means (12) are provided which take support on the one hand on the shaft (2) and, on the other, on the end face of the thrust rolling bearing (11) away from the thrust rolling bearing (10) and in so doing brace these two thrust rolling bearings against one another.

Abstract: The invention relates to furnaces equipped with an insulating inner lining formed from fibers. The object of the invention is to reduce the thermal discontinuities at the level of the orifice tube of the burner. For this purpose, the orifice tube consists of blankets of fibers arranged radially round the burner and compressed to a greater extent in the inner part facing the axis of the burner than in the outer part. The density in the inner part preferably reaches 300 to 400 kg/m.sup.3.

Abstract: A cup-shaped casing of a self-adjusting hydraulic tappet for overhead camft internal combustion engines, the casing comprising a hollow cylindrical outer part (1) closed at one end by an end member (3) and disposed concentrically therein a hollow cylindrical inner element (4) sealingly connected at its end distal from end member (3) to the bore of the outer part (1) by an annular flange (5), the actual clearance-compensating element (9) being guided in inner element (4) and having around it an annular oil reservoir (10) bounded radially by cylinder wall (2) of outer part (1) and bounded axially by end member (3) of outer part (1) and by flange (5), the outer generated surface of outer part (1) being provided with a peripheral groove (7), characterized in that peripheral groove (7) is axially at least as far from end member (3) as the transition between flange (5) and cylinder wall (2) of outer part (1) and an axial groove (11) starts from peripheral groove (7) at at least one place on the periphery and extend

Abstract: In a process for the preparation of 6,6-dibromo-penicillanic acid-1,1-dioxide comprising reacting 6.beta.-amino-penicillanic acid-1,1-dioxide with a nitrosating agent in the presence of bromine and an inorganic acid or strong organic acid, the improvement comprising effecting the reaction in the presence of an alcohol resulting in a high purity product.

Abstract: A mounting of a shaft in the bore of a housing by two antifriction bearings mounted in a sleeve at a distance from each other, the said sleeve being arranged in the bore of a housing having a higher coefficient of thermal expansion than the mounting elements and being provided with a radially outwardly directed flange, the flange being pressed by elastic spring means against a contact surface of the housing traversed by the bore whereby frictional engagement exists between the said surface and the flange characterized in that the sleeve and housing are axially braced with the elastic spring means preferably yielding axially and abutting a housing surface plane parallel to the contact surface and radially supporting the sleeve in relation to the housing, and a method of assembling the said mounting.

Abstract: A seal assembly for sealing between two elements, at least one of the elements having a cylindrical surface supporting a seal made of an elastic material provided with a sealing lip bearing against the second element, the improvement comprising that the seal consists of a hollow-cylindrical body from which a sealing lip projects from at least one face and the body bears against the cylindrical surface of the one element and is encircled by an elastic band of polymeric material to hold the body in place.

Abstract: A novel inner element for a hydraulic valve play compensation element for ternal combustion engines is comprised of a cylindrical element (3) closed at one end and having a reduced outer diameter (7) and a peripheral groove (8) therein at the other open end and a piston element (5) guided therein for longitudinal displacement and projecting from the open end of cylindrical element (3) beyond the latter with a reduced outer diameter (6) in this region, a sheet metal cap (9) with a radial flange (10) engaging the reduced diameter (6) region of piston element (5) and with a cylindrical collar (13) on the open end of cylindrical element (3) engaging on at least some points of its circumference with groove (8), characterized in that sheet metal cap (9) has at least one projection (11,14,15) radially projecting at at least one point about its circumference beyond the outer diameter of cylindrical element (3).

Abstract: In the operation of a continuous-process annealing furnace for a steel strip of a continuous length which is guided through the high-temperature zones of the furnace by the upper and lower hearth rolls in an alternate up and down vertical movement, each of the hearth rolls having an end-tapered or crowned configuration to correct the meandering of the running strip, each of the hearth rolls is coupled with one or a plural number of straightly cylindrical auxiliary rolls in contact with the strip at a position close to the hearth roll. By virtue of the installation of the auxiliary rolls, the phenomenon of wrinkling or buckling in the steel strip can be effectively prevented without causing meandering and the effect is more remarkable when specific relationships are held among the values of the diameters of the hearth roll and auxiliary roll and the position of the auxiliary roll relative to the hearth roll.

Abstract: Novel hardener compositions for epoxy resins comprising (a) 65 to 95% by weight of an adduct containing free amino groups of 35 to 94% by weight of at least one member of the group consisting of polyamines, polyaminoimidazolines and polyaminoamides and 5 to 30% by weight of at least one glycidyl compound, based on the total hardener composition weight, (b) 0.1 to 5% by weight at least one aliphatic or aromatic carboxylic acid and (c) 0.9 to 30% by weight of a phenol-modified aromatic hydrocarbon resin with a hydroxyl content of 0.9 to 6% and their preparation, water-emulsifable epoxy compositions containing said hardener compositions, aqueous emulsions of said epoxy resins, water compositions containing said aqueous epoxy emulsions and their uses.

Abstract: Novel esters in all possible isomeric forms and mixtures thereof of the formula ##STR1## wherein R is selected from the group consisting of (a) optionally unsaturated alkyl of 1 to 18 carbon atoms and optionally unsaturated cycloalkyl or cycloalkylalkyl of 3 to 8 carbon atoms optionally substituted with at least one member of the group consisting of halogen, --OH, --SH, --OR', --SR', --NO.sub.2, ##STR2## --SO.sub.2 AlK.sub.2, --SO.sub.3 AlK.sub.3, aryl optionally substituted with at least one member of the group consisting of --OH, alkoxy of 1 to 8 carbon atoms, alkyl of 1 to 8 carbon atoms, halogen, --CF.sub.3, --OCF.sub.3, --SCF.sub.3 and ##STR3## R' is alkyl of 1 to 8 carbon atoms, R" and R'" are individually selected from the group consisting of hydrogen and alkyl of 1 to 8 carbon atoms, AlK.sub.1, AlK.sub.2 and AlK.sub.

Abstract: An improved method of machining the raceway of a roller bearing race for cylindrical rollers having two concentric cylindrical surfaces with one surface being the raceway and the other cylindrical surface being the seating surface of the roller bearing race comprising elastically compressing the seating surface to assume an exactly cylindrical shape, shaping the raceway surface by chip removal into an exactly cylindrical form concentric with the seating surface and removing the compression pressure and novel apparatus for carrying out the method.

Abstract: In the method for manufacturing strings, a plurality of narrow strip layers (22) of synthetic material are successively and coaxially helically wound on the cylindrical surface of a continuous core. The winding (3) thus produced is conveyed hot to a welding area (7) wherein the narrow strips (22) of synthetic material are mutually assembled by welding. The temperature of the welding area is adjusted high enough so that a welding between the narrow strips (22) takes place without substantially decreasing the breaking strength of the narrow strips (22) by such heat treatment. The appropriate materials for the narrow strips are olefines such as homopolymer polypropylene or terpolymer polypropylene-polyethylene-dienes. To reduce the tendency to flow, the material forming the narrow strips may contain a nucleation agent. The characteristics of the strings thus manufactured are similar to those of gut strings.

Abstract: In a race wire bearing comprising two undivided, concentrically disposed race rings having race wires which are disposed in facing grooves and on which rolling members roll, the first race ring having two race wires, a carrying or support wire receiving the main axial load and a retaining wire receiving only the disengaging tilting moment, and being formed at a place on its periphery with a filling orifice closed by a plug, the improvement comprising the filling orifice (7,16) being disposed as to interrupt only one race wire, the interrupted race wire being a retaining wire (6,18) and the plug (3) having a raceway (8) which replaces the retaining wire (6,18) missing at the filling orifice.

Abstract: Novel analgesic and enkephalinase inhibiting compositions comprising an analgesically and enkephalinase inhibitory effective amount of at least one compound selected from the group consisting of a compound of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of hydrogen and acetyl, n is 1 or 2 and when n is 1, R.sub.2 is selected from the group consisting of phenyl, p-chlorophenyl, m-trifluoromethylphenyl and thiazolyl and when n is 2, R.sub.2 is selected from the group consisting of phenyl and p-chlorophenyl and their salts with non-toxic, pharmaceutically acceptable acids and bases and an inert pharmaceutical carrier and novel method of relieving pain and inhibiting enkephalinase activity in warm-blooded animals and novel amides.

Abstract: A novel process for the preparation of a 16-imino-17-aza-steroid of the formula ##STR1## wherein A is selected from the group consisting of hydrogen and tritium comprising reacting a compound of the formula ##STR2## wherein A has the above definition and R is an acyl of an organic carboxylic acid of 1 to 8 carbon atoms with an oximation agent to obtain a compound of the formula ##STR3## reacting the latter with an agent to form an acid chloride to obtain a compound of the formula ##STR4## reacting the latter with ammonia to obtain a compound of the formula ##STR5## reacting the latter with an alkali metal hypohalite in the presence of a base to obtain a compound of the formula ##STR6## wherein X is a halogen and reacting the latter with a base to obtain the desired compound and the novel compound of formula I wherein A is tritium and the novel intermediates of formulae III, IV, V and VI.

Abstract: A novel process for the preparation of 17.beta.-hydroxyacetyl-17.alpha.-ol-steroids of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms optionally substituted with halogen or an oxygen or nitrogen function and alkenyl and alkynyl of 2 to 4 carbon atoms, R.sub.2 is alkyl of 1 to 4 carbon atoms and the A,B,C and D rings may contain one or more double bonds and are optionally substituted with at least one member of the group consisting of hydroxy, keto, halogen, alkyl and alkoxy of 1 to 4 carbon atoms and alkenyl and alkynyl of 2 to 4 carbon atoms which compounds are generally known of the cortisonic type with known properties.

Abstract: Novel cyclopropanecarboxylates in all possible isomeric forms or mixtures thereof of the formula ##STR1## with a 1R,cis or 1R,trans structure and wherein X is a halogen, R is selected from the group consisting of (A) optionally unsaturated alkyl of 2 to 12 carbon atoms, (B) optionally unsaturated cycloalkyl of 3 to 12 carbon atoms, (c) ##STR2## Z is selected from the group consisting of --C.tbd.CH, --CH.sub.3 and --CN and Ar is selected from the group consisting of --C.sub.6 H.sub.5, --C.sub.6 F.sub.5, ##STR3## B is hydrogen or fluorine and X is fluorine, chlorine or bromine ##STR4## Y.sub.2 is selected from the group consisting of hydrogen, fluorine, chlorine bromine, --C.tbd.N and --C.tbd.CH, Y.sub.3, Y.sub.4, and Y.sub.

Abstract: Describes electrolytic cell with dimensionally stable anodes, non-porous ion-selective membranes separating said anodes from the cathode compartment, and a porous, static bed of loose, conducting cathodic material in the cathode compartment, extending between the conductive walls of the cathode compartment and the membrane and contacting the conductive walls of the cathode and said membranes to carry current between the walls of the cathode compartment and said membranes. This construction reduces the electrodic gap to substantially the thickness of the membranes and presses the membranes against the anodes. It produces greater uniformity of current density over the entire electrodic area, substantially free from localized differences of current density which tend to cause deterioration of membranes by the creation of localized mechanical and electrical stresses in other types of cells, and provides a method for carrying current from the effective cathodic surface to the walls of the cathode compartment.