Abstract: A hydraulic valve play compensating element for generating valve play compensation for a gas exchange valve in a valve operating mechanism of an internal combustion engine, having a piston housing in which a piston, which is elastically supported against the piston housing via a piston spring, is guided in a movable fashion, in which the piston has a low-pressure space which is connected via an axial opening in a piston head to a high-pressure space which is enclosed by the piston housing, and having a control valve which has at least one control valve closing element which can bear in a seal-forming fashion against a valve seat, the letter surrounding the axial opening on a piston head underside, and comprises a control valve spring which is preloaded in the opening direction, wherein, in the event of a collapsing movement between the piston and the piston housing when the gas exchange valve is actuated, the control valve closing element can be acted on hydraulically in the closing direction by means of a bu

Abstract: The invention relates to new heterocyclic compounds of general formula (I), and their salts with a base or an acid: The invention also relates to a process for the preparation of these compounds as well as their use as medicaments, in particular as anti-bacterial agents.

Abstract: An aggregate for making a molded article and a method of making the aggregate is disclosed. The aggregate consists of an acrylate based resin matrix and anti abrasive particles chiefly quartz particles having a size of between 0.1 mm and 1.2 mm, at least 30 percent of the anti abrasive particles being broken particles having irregular shape with sharp edges silanized and non-silanized. The aggregate includes fine powders, cross linking agent and Peroxides. The molded article made from the aggregate has anti-abrasive properties and “look and feel” of natural material.

Abstract: A linear ball bearing having a guide carriage (2) which is guided on a guide rail (1) in a longitudinally displaceable manner and is mounted in rolling contact on longitudinal sides of the guide rail (1) via balls (3) which are arranged on each longitudinal side in at least two parallel ball rows (4, 5) encircling in endless ball channels (6), each ball (3) of the one ball row (5) together with an adjacent ball (3) of the other ball row (4) being held all round in cage pockets (8) of a common cage piece (7), the cage piece (7) having exactly two cage pockets (8) for one ball (3) each from both ball rows (4, 5), each cage piece (7), as viewed in the running direction of the balls (3), being provided at both ends with convexly curved end surfaces (9) for contact with the end surfaces (9) of adjacent cage pieces (7), which end surfaces (9) extend essentially up to the cage piece sides (10).

Abstract: A method for forming a patterned noble metal coating on a gas diffusion medium substantially free of ionomeric components comprising subjecting an electrically conductive web with a patterned mask overlaid thereto to a first ion beam having an energy not higher than 500 eV, and to a second beam having an energy of at least 500 eV, containing the ions of at least one noble metal and a gas diffusion electrode.

Abstract: A cell (100) for metal electrowinning from metal ion solutions is described, wherein the cathode (1) consists of a falling bed of growing beads; the beads, withdrawn from the lower part of the bed, are recycled to the top section of the cathodic compartment by means of an external vertical duct (3).

Abstract: Ball screw having a spindle nut (2) arranged on a spindle (1), together with balls (3) which are arranged in a series and are capable of rolling in a helical ball track (4), the helical ball track (4) being defined by a thread groove (5) formed on the spindle (1) and by a thread groove (6) formed on the spindle nut (2), the balls (3) arranged in a series being returned in a return duct (7) from an outlet end to an inlet end of the helical ball track (4), the divided circle end play of the series of balls being less than or equal to 0.3 millimeters or the ratio between the pitch of the helical ball track (4) and the diameter of the balls (3) ranging from 1.02 to 1.2 or the thread grooves (5, 6) of the spindle nut (2) and of the spindle (1) in each case having a gothic profile (8, 9), a pressure angle formed by the balls (3) in contact with the gothic profile (8, 9) ranging from 15 to 35 degrees.

Abstract: A device for driving a cylinder (1) of a printing machine has an electric motor (3) whose rotor (14) is arranged coaxially with respect to the cylinder (1) and is firmly connected so as to rotate with the latter, and whose stator (15) is held on a frame construction (2) in which the cylinder (1) is mounted such that it can be displaced axially. The rotor (14) and the stator (15) are dimensioned and coupled to the cylinder (1) and the frame construction (2), respectively, in such a way that during any axial displacement of the cylinder (1) possible during the operation of the printing machine, the gap (16) formed between stator (15) and rotor (14) remains constant both with regard to gap width (s) and with regard to length.

Abstract: A diaphragm electrolytic cell is composed of two or more overlaid modules; at least the upper modules having U-shaped anodes with diaphragm-coated cathodes housed within, allowing for a reduced electrode pitch.

Abstract: A guide rail (1) of a linear guide, on which a guide carriage (2) can be mounted longitudinally displaceably, the guide rail (1) having an underside, by means of which it can be arranged on a mounting surface (3), and two opposite longitudinal sides which are provided with running tracks (8), rail parts (10) of the guide rail (1) which are arranged one behind the other being connected to one another by means of connecting elements (13, 21), a tension element (19a) being provided in order to brace the connected rail parts (10) with respect to one another.

Abstract: The invention relates to new derivatives of 2-(iminomethyl)amino-phenyl which are NO synthase inhibitors and can trap reactive oxygen species. These compounds can notably be used for the treatment of stroke, of neurodegenerative diseases and of ischemic or hemorragic cardiac of cerebral infarctions.

Abstract: Novel imidazole compounds of the formula wherein the substituents are as defined in the application having antitumoral activity and use thereof.

Abstract: In a linear rolling bearing comprising a guide rail (1) and a guide carriage (2) that partially surrounds the guide rail (1) and is supported for sliding through rolling elements (3) on two long sides of the guide rail (1), the rolling elements (3) being arranged on each of the two long sides in at least two parallel, endlessly re-circulating rows (4, 5) of rolling elements (3) while a spacer (6) is inserted between every two successive rolling elements (3) of a row (4, 5), on each long side of the guide rail (1), a common spacer (7) for both rows (4, 5) is inserted between every two adjacent rolling elements (3) of the one row (4) and between every two adjacent rolling elements (3) of the other row (5).

Abstract: A filter assembly for fuel is disclosed. The assembly includes a housing and a filter element located in the housing and held in place by a spring. In the space between the inner wall of the housing and the base of the filter element a compressibly resilient element is located which absorbs hydraulic pulses, the filter assembly is subjected to.

Abstract: Stabilizing solutions for submicronic particles, methods for making the same and methods of stabilizing submicronic particles is disclosed.

Abstract: A compound of the formula wherein the substituents are as defined in the specification and pharmaceutical salts thereof having a good affinity for sub-types of melanocortin receptors making them useful for treating diseases in which such receptors are included such as pain, inflammatory conditions, etc.

Abstract: A subject of the present Application is novel derivatives of benzimidazole and imidazo-pyridine which have a good affinity for certain sub-types of melanocortin receptors, in particular the MC4 receptors. They are particularly useful for treating pathological conditions and diseases in which one or more melanocortin receptors are involved. The invention also relates to pharmaceutical compositions containing said products.

Abstract: A subject of the present application is new benzimidazole derivatives of formula in which A, Y, R1, R2, R3 and R4 represent different variable groups. These products have an antagonist activity of GnRH (Gonadotropin-Releasing Hormone). The invention also relates to pharmaceutical compositions containing said products and their use for the preparation of a medicament.

Abstract: It is herein described an electrowinning cell with a spouted bed electrode of growing metallic beads, separated by a semi-permeable diaphragm and suitable for being assembled in a stack in a modular arrangement.

Abstract: A rolling bearing retainer (1) for a cylindrical roller bearing is characterized by the fact that a web center part (4.2) is provided with a respective projection (4.3) on a circumferential side, and these projections (4.3), by twisting this web center part (4.2) about its longitudinal axis (4.5), are formed into holding lugs which in each case separate two adjacent cylindrical rollers (6) from one another and prevent the latter from falling out in a radial direction.