Abstract: A clamping element comprises a single-acting cylinder and a piston with strong spring return which can be cancelled out by introduction of a pressure medium into the pressure chamber of the cylinder. The spring return is brought about, at least mainly, by means of a sleeve (6a, 6b) of rubber or rubber-like material which occupies a gap (5, 5b) between the piston (3, 3a, 3b) and the cylinder wall (7, 7a, 7b) or a lining (40) arranged in the cylinder. The rubber sleeve is firmly vulcanized, firmly glued or surface-fixed in some other manner against the cylindrical exterior of the piston and against the wall of the cylinder or the said lining along an axial length which considerably exceeds the thickness of the gap.

Abstract: Tinplate container with externally welded seam is formed of electrolytic unreflowed tinplate with external tin coating of low coating mass (less than 2 g/m.sup.2); the solderability of such tinplate being comparable with conventional reflowed tinplate of much higher coating mass. The unreflowed tinplate of low coating mass may be produced by Halogen electrotinning process in which ratio of fluoride ions to stannous tin ions in the rinsing section is maintained at unprecedented high level (not less than 10:1), the pH of the rinsing agent is maintained at less than 4 and the current density of the electrodeposition current is in the range 600 to 1,600 amperes per square meter of strip steel.

Abstract: For a piston consisting of an Al-Si alloy having a mean linear grain diameter of the Silicon eutectic of more than 3 .mu.m for combustion engines and provided with a hard-oxidized top, the structure of the base material to be oxidized is subjected to a grain refinement in the depth to be oxidized so that the silicon eutectic has a mean linear grain diameter of less than 3 .mu.m, preferably less than 2.5 .mu.m. By this means, the resistance to erosion of the hard-oxide layer is improved. The grain refinement may be effected in the respective zones during the casting of the piston or thereafter by re-melting those zones prior to oxidizing. If the risk of erosion exists only in specific locally limited zones of a relatively large hard-oxide surface, then a grain refinement confined to these zones is sufficient.

Abstract: Emulsions of hydrocarbon liquids such as automotive distillate and water, or water and alcohols, are formed using an emulsifier which is a block copolymer of ethylene oxide type monomers and styrene type monomers. The stability of the emulsions is improved by the addition to the emulsion of a coupling agent which is soluble in the continuous phase of the emulsion and will couple with that portion of the emulsifier which is solvated by the continuous phase of the emulsion. Preferred coupling agents for water in oil type emulsions are copolymers of butadiene and styrene.

Abstract: Compounds of general formula (I) ##STR1## wherein R.sub.1 is a 2-pyridyl, 3-pyridyl or 4-pyridyl group; (b) a phenyl ring, unsubstituted or substituted by one or two groups chosen from halogen, trihalo-C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.6 alkyl, nitro, amino and C.sub.2 -C.sub.6 alkanoylamino; (c) benzyl; or (d) C.sub.1 -C.sub.6 alkyl;each of R.sub.2 and R.sub.3 independently is a hydrogen or a halogen atom or C.sub.1 -C.sub.6 alkyl;R.sub.4 is hydrogen, C.sub.1 -C.sub.6 alkyl or phenyl;R.sub.5 is (a') ##STR2## wherein each of R.sub.6 and R.sub.7 independently is hydrogen or C.sub.1 -C.sub.6 alkyl, or R.sub.6 and R.sub.7, taken together with the nitrogen atom to which they are linked, form a morpholino, piperidino, N-pyrrolidinyl or N-piperazinyl ring, wherein the N-piperazinyl ring is unsubstituted or substituted by C.sub.1 -C.sub.6 alkyl;(b') a ##STR3## wherein R.sub.8 is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy or halogen;(c') --NHR.sub.9, wherein R.sub.

Abstract: A composition for delivering 5-fluorouracil to cancer tissues, of a cancer sensitive to 5-fluorouracil, in warm blooded animals, comprising effective amounts of 1-(n-hexylcarbamoyl)-5-fluorouracil and uracil in a molar ratio of 1:0.1-10, respectively.

Abstract: The invention relates to an extremely thermophilic bacterium, Thermus T-351, and a thermophilic protease, Caldolysin, derived therefrom. The bacterium cells are Gram negative, non-sporulating rods. Its natural environment is a hot pool at 79.degree..+-.4.degree. C. The protease is stable at temperatures up to 75.degree. C. at a pH range of 4 to 12. It is most active at temperatures of 65.degree. C. to 85.degree. C. but retains at least some activity at lower temperatures.

Abstract: Medicinal compositions, foods and beverages having therapeutic effects on diseases of the circulatory system and the digestive system and characterized by papain and citric acid contained therein.

Abstract: A sailing vessel having the performance capabilities of a multi-hull craft with the superior stability of a ballasted mono-hull craft, comprising a central hull supporting a mast and a pair of lateral hulls substantially parallel to the central hull and connected thereto by arms which are pivotably connected to the central hull such that each arm can pivot about an axis substantially parallel to the longitudinal axes of the hull. Springs act between the central hull and each of the arms such that pivotal movement of each arm is only possible against the bias of the spring. Excessive wind loading is thereby shed from the sail by the mast and the central hull pivoting relative to the lateral hulls.

Abstract: Nitrobenzoic acid amide derivative represented by the formula ##STR1## wherein A is (CH.sub.2).sub.x NH(CH.sub.2).sub.y or (CH.sub.2).sub.x NH(CH.sub.2).sub.y NH(CH.sub.2).sub.z, n is 1 or 2, x, y and z are each 2 to 5, and pharmacologically acceptable acid salt thereof is an excellent radio-sensitizer.

Abstract: In an annular saw, that is to say a circular saw with an annular saw blade, the saw blade is adapted to rotate about an imaginary center axis by being driven via a drive shaft which is parallel to the center axis and has a fulcrum between the annular saw blade and its center. Mounted on the drive shaft (27) are two drive rollers (25, 26), of which the adjacent surfaces (41, 42) are bevelled at a certain bevel angle so that the rollers comprise drive surfaces which, between them, form a wedge-shaped groove (40). The two lateral surfaces of the saw blade (8) are bevelled in a corresponding manner within a region (13) close to the inner edge (15) of the saw blade, the bevel angle being the same as for the drive rollers, the bevelled edge portion of the annular saw blade being clamped between the bevelled drive surfaces of the drive rollers in the wedge-shaped groove.

Abstract: There is described a method of separating an asparaginase rich fraction from a thermophilic microoganism and then to divide this fraction into its D- and L-asparaginases. Substantially pure crystals of the D-asparaginase were obtained.

Abstract: Catalysts for use in promoting heterogeneous chemical reactions, such as hydrogenation, cracking, dehydrogenation and Fischer-Tropsch reactions, are prepared by depositing a catalytically active metal such as nickel electrolytically onto an aluminum substrate in such a manner that the metal particles are deposited in micro-particulate form to enhance their catalytic activity. The aluminum substrate is prepared by cleaning and anodizing it, so as to deposit thereon an aluminum oxide surface film having micro porosity. Then the substrate is immersed into an electrolysis bath of solution of salt of the metal to be deposited, and subjected to alternating current electrolysis to cause the required deposition. Prior to use, the catalysts so prepared should be heated to remove absorbed gases from their porous surfaces.

Abstract: The sheet collator comprises a plurality of sheet loading pockets each associated with a sheet ejector for ejecting single sheets into a common sheet conveyor path from the respective pocket. A photo-electric, e.g. infrared sheet passage detector is mounted between each pocket and the common sheet conveyor path. In an initial set-up cycle, upon the passage of an ejected sheet, the detector will take eight samples of the transparency or reflectivity of the passing sheet of paper. These samples are averaged to generate a detection signal representative of the transparency or reflectivity of the sheet of paper. The detection signal is stored. In operation, it is compared with the detection signals generated during subsequent sheet passages. When the compared detection signals are not the same, an alarm signal will be generated and used to stop the operation of the collator at the end of a completed collating cycle.

Abstract: The object of the invention is a process of manufacturing a sintered compact of sinterable pulverulent material, in which the powder is moulded against a moulding surface and sintered in contact with the moulding surface and in which the pores in at least local areas of the compact are sealed by infiltration with an infiltration material which during a stage of the infiltration process is in liquid form and which by temperature decrease is caused to solidify in the pores, and the characteristic features of the invention are that the moulding takes place on the moulding surface in such a way that the moulding surface is covered with relatively fine-grained sinterable powder which by its own adhesion or by adhesion intensified by additives is caused to form an at least temporarily retained fine powder layer (3) on the moulding surface, and that at least one layer (5) of sinterable coarse powder is applied to the fine powder layer, and that both layers are sintered and infiltration is effected such that the infi

Abstract: In the manufacturing of wood poles a number of sections are glued together along abutting side surfaces (7, 8) so that a tubular pole (19) with a central cavity is formed. The side surfaces (7, 8) which have been provided with glue are brought into intimate contact with each other so as to give a tube (19). Sealing covers (20, 21) of the lika are placed at both ends of the tube so that these are sealed, whereafter air is pumped out from the central cavity (23) through one or both of the said covers so as to give a vacuum in the cavity in comparison with the external pressure, whereby the contact pressure between the abutting side surfaces increases. The vacuum is maintained until the glued joints (31) have been fixed.

Abstract: The present invention provides in one aspect a slimming method and in a further aspect a method for the treatment or prophylaxis of obesity, comprising the administration of a bodyweight reducing effective dosage of a compound selected from glutathione, physiologically acceptable salts and esters thereof, and ascorbic acid, and physiologically acceptable salts and esters thereof, and a compound of Formula I ##STR1## wherein X is a physiologically acceptable anion, and bioprecursors thereof, to a subject.

Abstract: An exhaust gas separator for an internal combustion engine comprises an elongate housing (10) having an inlet (11) and an outlet (12), and annular disks (13) disposed within said housing between said inlet and outlet. Each disk is provided on both side surfaces with at least one open flow channel (14) which extends in the form of a spiral between the external periphery of the disk and its interior to provide communication between the exterior of the disk and its interior opening (19). The annular disks are arranged in a series and bear axially one against the other whereby the abutting side surfaces of adjacent disks serve to close the flow channels in said side surfaces. The spiral form of one of the flow channels in the abutting surfaces extending in the opposite sense to the spiral form in the other of said abutting surfaces whereby said flow channels in said abutting surfaces intersect each other at numerous positions (20).

Abstract: In a seal for two compartment mixing syringe having an outer barrel with an inner barrel partially disposed therein, and a seal on the dispensing end of the inner barrel, and a plunger disposed in the inner barrel, the improvement is wherein the seal is a combination of an aperture in the dispensing end of the inner barrel and a plug disposed in the aperture. The plug has a cylindrical portion of resilient and compressible material adapted to be compressibly disposed in the aperture but displaceable from the aperture by fluid pressure exerted by movement of the plunger in the inner barrel. A reduced diameter portion of the plug provides a fluid pathway between the inner barrel and the outer barrel when the cylindrical portion is displaced from the aperture by such fluid pressure. An increased diameter portion prevents the plug from passing through the aperture and into the outer barrel.

Abstract: A winding temperature heater well for detecting the temperature of the oil about the coils in large transformers. The heater well comprising a temperature detecting device enveloped by a grid-patterned resistor element, the current through which varies directly with the current through the transformer, and a sleeve which protects the resistor and temperature detecting device from the oil. The heater well is embedded in a resin plate in such a manner as to allow calibration of the resistor from outside the plate.