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Abrazadera perfeccionada, que se caracteriza esencialmente por el hecho de comprender dos piezas presoras iguales, cada una de las cuales configura tres brazos de agarre curvados hacia dentro dispuestos radialmente y equidistantemente a 120º, bajo la circunstancia de que las caras externas de dichos brazos son lisas y se hallan sensiblemente inscritas en una esfera virtual, mientras que las caras internas son configurativas de una especie de hélice cóncava de tres palas, apropiadamente para que situadeas enfrentadamente las dos piezas presoras con mutua correspondencia de entrantes y salientes se determinen tres pasos-pinza precisamente orientados en direcciones mutuamente ortogonales, estableciéndose la acción presora por medio del apriete de la tuerca de un perno que atravesando ambas piezas presoras por su centro las vincula solidariamente.
Effect of the edge clamping conditions on the stressed state of a cylindrical circular shell under the action of concentrated radial forces(Stressed state of cylindrical circular shell clamped at edges and subjected to concentrated radial forces)
Method of making the rotor by welding,particularly for the pressure exchanger of the supercharged engines,working on high revv.and high working temperatures also in the aggressive environment and preparation for the said method