Abstract: A paper machine press section has an intermediate press nip defined between a pair of press rolls, a web conveying fabric in the form of a suitable felt or wire travelling between these press rolls together with a web carried thereby while engaging one of the press rolls. An endless fabric means in the form of a suitable felt or wire laps the other press roll to travel also through the intermediate press nip while engaging the web at the side thereof which is directed away from the web-conveying fabric. Thus, while travelling through the intermediate press nip, the web is compressed between the above fabrics. Immediately subsequent to the intermediate press nip, the web-conveying fabric together with the web conveyed thereby lap the press roll which engages the web-conveying fabric through an angle which is at least 5.degree. and which preferably is in a range of approximately 7.degree.-30.degree..

Abstract: A continuous decantation clarifier, wherein liquid to be clarified flows slowly and homogeneously into the interior of the clarifier, includes a first zone through which the liquid initially passes while the liquid is subjected to homogenization and flocculation, this first zone being penetrated in a substantially vertical descending direction by a second zone where the direction of liquid flow is reversed so that the liquid moves in an ascending vertical direction through flakes and solids in suspension in the liquid. In this latter zone such flakes and solids precipitate toward the bottom of the clarifier. The latter having a third zone wherein liquid commences to flow radially in an outward substantially horizontal direction, across frustoconical surfaces or trays, in which the decantation is concluded, the clarified liquid being collected close to the outer peripheries of the trays.

Abstract: A method is provided of removing urinary concretions from the ureter of patients whose anatomical peculiarties do not permit application of disintegrating instruments. The method involves an ultrasonic vibratory action upon the ureteral wall below the region where the concretion is lodged to stimulate peristaltic contractions of the urinary tract and free passage of the concretion. The local vibratory action upon the ureter involves no unfavorable effects upon the internal organs, cardiovascular or nervous systems of the patient.

Abstract: A paper-manufacturing machine and method include the feature of detaching a web from a forming wire by utilizing a stationary transfer suction box past which a felt travels while contacting the web so that the latter becomes detached from the forming wire and adheres to the felt while travelling with the latter beyond the forming wire. The felt and web are lapped through a substantial angle around a roll having a recessed surface whiletravelling toward the first press nip of a press section, and at this roll around which the felt and web are lapped a means is provided for directing steam toward the web and through the latter and the felt inwardly toward the recessed surface of the guide roll so that the flowing steam will on the one hand heat water carried by the web to enhance dewatering of the web at the first press nip while on the other hand the steam will serve to maintain the web reliably in engagement with the felt as the latter travels toward the first press nip.

Abstract: The invention relates to a method of manufacturing cooled valves for internal combustion engines. From a first cylindrical billet is formed a valve blank by drilling an axial blind bore therein and machining an inner circumferential groove at the blind end portion of said bore. From a second cylindrical billet is machined a cylindrical rod-shaped core and at least two coolant feed and return flow channels, said core being inserted into the bore of said blank. Then said blank and said core are assembled by a hydrostatic extrusion.

Abstract: A door-closer and hinge combination includes a pair of hinge plates adapted respectively to be fixed to a door and door frame, these plates respectively carrying a pair of extensions which are situated along a predetermined hinge axis and which are formed with coaxial bores, the axis of which coincides with the hinge axis, these bores receiving a hinge pin for hingedly connecting the hinge plates to each other. An elongated force-transmittingrod extends parallel to the hinge axis and is guided by a pair of guide sleeves carried by one of the hinge plates for movement parallel to the hinge axis. The force-transmitting rod carries a helical cam-follower which cooperates with a cam slot formed in the other hinge plate, which does not carry the guide sleeves, this other hinge plate preferably being fixed to a door so that upon opening the door the rod is vertically displaced.

Abstract: A process for the fabrication of a metal electrode having a vertical axis, composed of segments of two or more metal alloys of differing chemical compositions, these segments having masses and dimensions such that, after being joined to each other by various processes following an appropriately determined curve and junction surface, produce, after remelting by the Electroslag process, an ingot with a chemical composition which varies continuously along its axis, each chemical element varying in concentration along the axis according to a predetermined or arbitrarily selected equation. The ingot may be subjected to upset forging, metal blocks, slabs, flats, and plates and strips being obtained having chemical compositions which vary continuously along their thickness. By initially subjecting the obtained ingot to drawing with forging and/or rolling, bars, contour forgings and rings, with chemical composition varying continuously along their longitudinal axis, are obtained.

Abstract: An apparatus is designed for pulling oriented large-size single crystals from melt.The apparatus comprises a hollow rod having a seed crystal holder. The rod drive comprises a drive shaft mounted in the rod coaxially therewith, the rod and the drive shaft being in engagement for combined rotation and for reciprocations of the rod together with a carriage axially along the drive shaft.

Abstract: A multipoint measuring device comprising a matrix of transducers of the measured quantity and switching elements, the columns of said matrix being formed by serially connected switching elements and each transducer having one of its terminals connected to a respective switching element of the column and the other terminal connected to a common bus of a respective row. At the beginning and at the end of each row there are provided switching elements. The matrix is connected to a measuring circuit via two compensators.

Abstract: This invention relates to an apparatus for projecting a fluid product comprising a casing containing the fluid product, a working head rotatably mounted thereon, a hollow shaft jointly rotatable with the working head, an oscillating plate mounted in the casing and jointly rotatable with the hollow shaft, the end portions of the plate extending in confronting relationship to an electro-magnet secured to the casing and imparting to the working head an alternating rotary motion.

Abstract: For controlling and measuring the flow of a gas in a duct, apparatus including a collar member adapted to be sealingly connected to the duct and a plurality of overlapping throttling blades pivotally carried by mounting means situated within the collar member. These blades define the side surface of a truncated cone and have upstream end regions defining the base of the cone and downstream end regions defining the of the truncated cone as well as a throttling aperture through which the gas is adapted to flow. The blades are appropriately shaped and positioned so that one side edge region of each throttling blade overlaps and resiliently engages an adjacent side edge region of an adjacent throttling blade with a positive bearing force which results in a fluidly sealed engagement between each pair of adjacent blades so that the truncated cone defined thereby is rendered gas sealed.

Abstract: Apparatus for connecting a petroleum-oil supply line mounted on a marine column to a receiver conduit mounted on an oil-tanker, said column a head being mounted pivotally about the axis of said column at its upper end and including a rotary turret with a boom extending radially therefrom, wherein the improvement comprises a single-turn rotary pulley mounted on the head of the column and adapted to receive the upstream length of a hose-pipe, apparatus for permanently connecting the upstream end of said hose-pipe to the downstream end of the oil-supply line of said column, and apparatus for supporting and guiding the downstream length of the hose-pipe from the pulley to the end of said boom in such a manner that a connecting member provided at the downstream end of the downstream length has its outlet opening constantly directed downwards at the end of the said boom.

Abstract: Halogenated spiro compounds of the formula: ##STR1## wherein X is Cl, Y is Cl, p-chlorophenoxy, ##STR2## or ##STR3## wherein R is H, R.sub.1 is H, alkyl, alkenyl, cycloalkyl, aralkyl, aryl, or m-bromophenyl. The compounds according to the present invention exhibit fungicidal and bactericidal activity and can be used against various plant diseases as well as molding of non-metallic materials.

Abstract: A method for feeding a paper web from a forming wire and for dewatering the web including the steps of urging a pick-up felt against the web on the forming wire, adhering the web by suction to the surface of a pick-up felt, transferring the web onto a transfer felt which wraps a transfer roll, the latter being contiguous to the pick-up roll, passing the web on the transfer felt to a first dewatering press nip formed by an upper suction press roll and a cavernous surface lower press roll, the latter operating inside the transfer felt loop while the suction roll operates inside its own felt loop, pressing the web in the first press nip to dewater the web in two directions i.e.

Abstract: A vehicle or a conveyer has a pair of rolls which are spaced from each other and provided with central axes of rotation situated in a given common plane. An endless belt extends between and is guided around these rolls with this belt having on opposite sides of the above plane a pair of runs which respectively travel in opposite directions during rotation of the pair of rolls. This endless belt has a pair of opposed endless side edge regions and midway between the latter an elongated endless central region which is flexible but substantially non-stretchable. Between the central region and each of its side edge regions the endless belt has a lateral endless elastic portion which is capable of stretching and contracting longitudinally.

Abstract: The device comprises a circular container for collecting the dripping down lubricant. Said container is located between the tiers of baffle plates and is connected by a recirculating pipe line with the roller lubricating pipe line. The device incorporates a tubular air heater which heats the surfaces of the baffle plates that might get in contact with the fabric being processed, and a heat exchanger in the lubricant supply line.

Abstract: A method for collecting fluids present at the body of a human being or animal. An enclosure is temporarily situated at a cavity of the body, this enclosure having within itself a hollow interior for receiving a body fluid while shielding the body from the interior of the enclosure and while a part of the enclosure is situated at the body cavity in proximity to a location where a body fluid which is to be collected is situated. The enclosure carries a transfer structure which creates between the interior of the enclosure and the above location of the body fluid conditions for only inward transfer of the body fluid from this latter location into the interior of the enclosure, the inward transfer conditions being maintained effective during at least part of the time while the enclosure remains at the body cavity. Thereafter, when the enclosure is separated from the body cavity, the desired body fluid will be situated in the interior of the enclosure.

Abstract: A pelvic yoke of an apparatus is secured on the upper flaring portion of the ilium by means of traction wires. A distractor with provision for adjusting movements in two mutually perpendicular planes, the frontal and the sagittal, is connected with said yoke and is fastened through a hinged joint on the thigh bone. The hinged joint is formed by rollers, disposed on an arc-like guide, situated in the frontal plane and fastened to the greater trochanter of the thigh bone. The hinged joint comprises also a spherical locking joint, fastened on the distractor. Such an apparatus provides for the complete relief of a hip joint during its healing while preserving its functions.

Abstract: According to the invention, the device for pulse current action on the central nervous system comprises switch means, each provided with regulators of pulse action parameters, such as the current pulse repetition frequency, the current pulse amplitude and the additional constant component value, the switch means being connected to a rhythmic action unit, a current pulse preamplification unit and a unit for adjusting the value of the additional constant component, and also being electrically coupled to a remote-control electroanalgesia unit or to their regulators so that according to the position of the switch means, the individual current pulse action parameters are controlled by the remote-control electroanalgesia unit and/or respective regulators taken in a prescribed combination.

Abstract: Biological tissue is dissected by means of a mechanical cutting instrument, while the coagulation of the walls of the incision is effected simultaneously with the dissection by means of a laser beam, for which a laser beam spot is formed in the immediate proximity to the cutting instrument's cutting edge. An apparatus for the realization of this method combines a mechanical cutting instrument made preferably of a material transparent to laser emission, and a structure for the formation of a laser beam spot in the immediate proximity to the cutting instrument's cutting edge. In the preferred embodiment the cutting instrument itself provides for the formation of the spot close to the cutting edge.