Abstract: The method of geophysical prospecting of polymineral ore bodies including registering pulsed electromagnetic radiation generated by the ore bodies under the action of elastic waves excited in the rock block. The radiation is registered as pulse bursts, each burst corresponding to one ore body. The shape of a pulse corresponding to the ore body under investigation is compared with the shapes of pulses corresponding to ore bodies of the known mineral compositions, and one similar pulse is selected from these pulses. Then a pulse from the burst corresponding to the ore body under investigation is subjected to the Fourier transformation to obtain the pulse height-frequency spectrum of this pulse, which is compared with the pulse height-frequency spectrum of the selected pulse, and when at least two frequencies of the maximums of the amplitudes of these respective spectra coincide, there is established correspondence between the mineral compositions of the known ore body and of the ore body under investigation.

Abstract: A safety roadway delineator includes one or more elongate recessed marker surfaces which are coated with a reflective material, preferably a retroreflective material such as reflective glass beads. The recessed marker surfaces are vertical or at least inclined to the horizontal to insure water run-off and are formed either directly in cast-in-place concrete roadway members or in pre-cast polymer concrete facing panels which are attached to the cast-in-place concrete roadway members. The roadway delineator is substantially continuously protected from normal wear and reliably exhibits reflectivity both under dry and rainy weather conditions.

Abstract: An ophthalmorheographic transducer has a two-layer casing with a space defined between the layers and communicating with a vacuum source. The inner layer is shaped so as to suit the eyeball, is provided with electrodes and has a plurality of openings.

Abstract: A hydraulic jack includes a body (1) with front (2) and rear (3) covers and a rod (4) moving relative to said body (1) and having at least one projection made therein and mounting an additional member (7) and at least two grooves which form the respective projection (8) and of which each accomodates piston semi-rings (6) installed therein by pairs, the rod (4) portion having the projections (8) and the grooves forming a piston unit (5).

Abstract: An automatic system for analysis of sizes of a ground material includes a sampler for sampling and delivering the ground material in the form of a slurry. A sedimentation of cylinder is provided as is a device for reception of the slurry, its stirring and dosed supply into the sedimentation cylinder. A differential circuit is provided for measuring the mass of the ground material, which did not settle in the sedimentation cylinder as any instant of time during the analysis of the material size including a measuring channel and a correcting channel based on the same LC self-excited oscillator operating in a time sharing mode. An automatic error correction circuit and a data processing and display unit are provided for presenting information on the percentage of solid particles in the sizes being analyzed.

Abstract: A wire straightening method involves feeding a wire from a reel to a wire twisting and stretching mechanism, where by wire straightening elements having working surfaces in each pair of such mechanisms arranged in opposition to each other, the wire is twisted in two opposite directions to plastic deformation of the material of the wire, and simultaneously stretched to within elastic deformation of the wire material. The wire is then received by a take up reel.

Abstract: An applanation tonometer comprises a housing, a rod accommodated in the housing and carrying a contact disk adapted to interact with the corneal surface in order to exert force thereon, a unit for measuring the force applied to the cornea, a means for registering the instant of time when the diameter of an applanation circle on the corneal surface formed due to the effect of a force applied thereto reaches a preset value, and a recording unit. The registering means is made as a sleeve arranged coaxially with the rod carrying the contact disk and traversably along the rod axis, and a contact set electrically connected to the recording unit and mechanically associated with the traversable sleeve. An additional sleeve is traversable, set coaxially with the traversable sleeve of the registering means, and the end of said additional sleeve is concave-shaped.

Abstract: According to the method of coating the internal surface of a pipeline with a cement-sand mortar, a layer (4) of the mortar is formed on said surface and is pressed and held by a flexible hose (5). Before the flexible hose is pressed to the mortar layer (4) the flexible hose (5) is turned out and placed simultaneously with the formation of the mortar layer. The device effecting the method as claimed has a cement-sand fed system (11), a piston (3) arrnged in the pipeline (1) with an annular clearance (12) to distribute the mortar layer on the internal surface of the pipeline, a chamber (13) accommodating the flexible hose (5) and communicating therewith by a flowing medium feed system (15), said flowing medium serving as a means for feeding, turning out and pressing the flexible hose (5) to the mortar layer (4) formed on the surface of the pipeline.

Abstract: Device or tool for mounting BNC connectors on the wall of a chassis or housing includes a handle on a shaft for rotating a driver element which is configured to mate with and engage a BNC connector to be mounted. By using different driver elements, male BNC connectors or other similar electronic (R.F.) connectors can be mounted on a housing or chassis without damaging internal components.

Abstract: The ophthalmotonometer of the invention comprises a frequency-output transducer of linear motions which correspond to intraocular pressure; a reference-frequency generator; a frequency comparator whose inputs are connected to the outputs of the frequency-output transducer and of the reference-frequency generator, a difference-frequency divider connected to outputs of the frequency comparator; a circuit for measurement of the cycle of difference-frequency oscillations connected to outputs of the reference frequency generator and the frequency divider, said cycle corresponding to intraocular pressure in millimeters of mercury; and a measurement results registration circuit connected to outputs of the cycle measurement circuit.

Abstract: A microswitch includes a base (1), fixed contacts (2) and movable contacts (3). The movable contacts (3) are connected to a drive member (4) by way of a mechanism for switching the movable contacts having at least two assemblies (7) disposed in symmetry relative to the axis of the drive member (4). Each of the assemblies (7) includes a lever (8) and a spring (9) the outer ends (15,16) of which are interconnected to be capable of swinging angularly relative to each other. One element (8) of these two elements (8, 9) of the assemblies (7) is connected by its inner end (10) to the drive member (4) for swinging angularly relative thereto. Other respective elements (9) of each assembly (7) on which the movable contacts (3) are secured have the form of an integral resilient part (12) the central portion of which has secured thereto the movable contacts (3).

Abstract: The claimed pipeline is made of coaxially arranged envelopes rigidly connected to each other, in which case the internal envelope is made of nonhermetic layers and hermetically sealed layers (3, 4) and the whole set of envelopes is impregnated with a binder (5) and forms a monolithic structure, the external envelope (1) being made of a ground (2).The method consists in forming hole (11) in the ground and insertion into the ground of the nonhermetic layers and hermetically sealed layers (3, 4) of the internal envelope, impregnation of its ground (2) with a binder (5) and followed by expansion and densing of the envelopes by producing an excess pressure of the working medium in the pipeline (9).

Abstract: A sour milk product is composed of proteins, milk and vegetable fats, lactose, dextrin maltose, saccharose, water, bifidobacteria, ferrous sulphate and vitamins, A, D.sub.2, E, C, B.sub.1, B.sub.2, B.sub.3, B.sub.6, B.sub.c and PP with the following proportion of ingredients, in mass per cent:milk fat: 2.5-2.7vegetable fat: 0.8-1.0lactose: 2.0-2.2dextrin maltose: 1.6-1.8saccharose: 3.3-3.5ferrous sulphate: 0.00325-0.00335vitamins: 0.0064-0.0066proteins: 1.6-1.8bifidobacteria (ml): 10.sup.8 -10.sup.9water: the balance.

Abstract: Single and multi-wire drawing apparatus and method are described. A first wire drawing section includes two pairs of cone drawing blocks and two tandem drawing blocks. A second wire drawing section includes a number of tandem drawing blocks, four in the described embodiment, and a final capstan drawing block. the final tandem drawing block of the first wire drawing section is arranged on the second wire drawing section. All of the drawing blocks of the first wire drawing section are driven by a single drive, while the tandem and the final capstan drawing blocks on the second wire drawing section are actuated by a second drive. The dies associated with each tandem drawing block of the second section are movable so that a number of different wire sizes can be produced by appropriately moving the dies and adjusting the speed of the first drive to provide a desired wire speed entering into the second wire drawing section.

Abstract: A device for coating the internal surface of a pipeline with a cement-sand mixture, includes a mechanism (1) for applying a coating, systems (2 and 3) of feeding the cement-sand mixture and the working medium, hoses (4 and 5) a pull rope (6) and a winch (7). Wound on the shaft (8) of the winch drum (7) are the pull rope (6) and the hoses (4 and 5), some ends of which pass through the cavity of the shaft (8) and communicate through the supporting assemblies (11) of the shaft with respective systems (2 and 3) for feeding the mixture and working medium, and the other ends of which are connected to the mechanism for applying a coating. A joint winding or reeling off of the hoses (4 and 5) and the pull rope (6) make it possible to substantially streamline the maintenance of the device, as well as freely pass the working medium and the cement-sand mixture and water for washing the hose (5) through the hoses.

Abstract: The method of electric-arc condenser-discharge percussion stud welding includes prepositioning a stud on an article, retracting the stud from the article while igniting an auxiliary arc between them, and moving the stud towards the article. While the stud is thus moved, the voltage drop across the auxiliary electric arc is measured, and from the value thus measured is subtracted the sum of electrode-adjoining voltage drops at the end of the stud and at the article, and when the voltage drop value thus obtained varies by 10 to 90 percent from the initially obtained value of the voltage drop, the discharge of the condenser is initiated. Then the stud is introduced into the molten metal of the article, and the end of the stud is butted with the article to form a welded joint.

Abstract: A magnetizing device includes a two-pole electromagnet with four rollers mounted in pairs on the poles of the electromagnet and interacts with a respective guide. These guides are made as rings. The rollers are mounted on the poles by means of half-axles which are secured on each roller with a displacement in relation to the rotation axle of the roller.

Abstract: A device for recording seismoelectric signals comprises at least three channels for reception of seismoelectric signals in different frequency bands, each channel having a magnetic antenna (1,2,3) with series-connected amplifier (4,5,6) and a uniform frequency characteristic former (7,8,9), and also two video recorders (10,11), the first video recorder being connected to an output of the receiving channel having the lowest frequency, while the second video recorder (11) is connected, via an adder (12), to the outputs of all other channels.

Abstract: Apparatus for use in cooling and/or drying or cleaning elongate material, such as drawn wire, tube or strip material, the apparatus comprising a chamber, which may be formed at least in part by a flexible tube, having an inlet and an outlet through which the material enters and leaves the chamber, and the chamber is connected via an outlet passage to a device which creates a sub-atmospheric pressure within the chamber. The sub-atmospheric pressure lowers the evaporation temperature of the cooling liquid which is on the surface of the material which evaporates and cools the material and the sub-atmospheric pressure causes air to flow into the chamber around the material in the region of the outlet and this airflow is at high velocity and wipes the material. The apparatus is preferably located on the end of a structure in which a drawing die is housed.