baber/WOPTO huggingface dataset:
Patent RU-2090297-C1 (RU)
Title: Method for manufacture of casting models
Inventor: LIVSHITS ILYA S
IPC: B22C7/00
Filed: 1995-11-30
Granted: 1997-09-20
Abstract: FIELD: foundry, in particular, production of casting models of casting molds for metal ingots. SUBSTANCE: method involves forming model material by making separate members; joining separate members to obtain billet; providing mechanical working of billet till predetermined sizes of casting model are obtained. Material for model may be thermoplastic polymer on the base of styrene or its derivatives or its mixture with powder filler, with content of filler reaching 50% by weight. Separate members are made as standard parts similar in shape and size by pressing. Compression mold is preliminarily heated. Material used in the process is heated to temperatures exceeding softening temperature of used thermoplastic polymer by 1.8-2 and 1.8-1.9 times. EFFECT: increased efficiency and improved quality of models.
Patent RU-2111220-C1 (RU)
Title: Method of preparing block copolymeric composition, and block copolymeric composition
Inventor: ERUN VAN VESTRENEN
IPC: C08L53/02
Filed: 1994-03-28
Granted: 1998-05-20
Abstract: FIELD: adhesive compositions. SUBSTANCE: present invention describes method of preparing block copolymeric compositions which comprises two consecutive stages (1) polymerization of aromatic vinyl monomer in inert hydrocarbon solvent in the presence of organolithium initiator, said polymerization being carried out till complete conversion of monomer; (2) addition of diene monomer having conjugated double bonds to polymerization mixture, and polymerization of said diene monomer is carried out till substantially complete conversion of said monomer; (3) addition of second portion of organolithium initiator and subsequent addition of second portion of diene monomer having conjugated double bonds, and polymerization of said diene monomer is carried out till its substantially complete conversion; (4) addition of second portion of aromatic vinyl monomer, and polymerization of said aromatic vinyl monomer is carried out till its substantially complete conversion; (5) addition of chain termination agent. Besides, block copolymeric composition comprises (I) triblock copolymer A-B-$$$ having two different or same end polymer blocks A and $$$ from aromatic vinyl monomer, and one middle polymer block $$$ from diene monomer having conjugated double bonds; and II diblock copolymer $$$ having one polymer block $$$ from diene monomer having conjugated double bonds, and one polymer block $$$ from aromatic vinyl monomer where molar weight of $$$ (triblock)/$$$ (diblock) copolymer is from 0.9 to 1.1 where both block copolymers are obtained by consecutive polymerization and where the content of aromatic vinyl compound in triblock copolymer and also in diblock copolymer is 55 wt % or less of total weight of triblock copolymer and diblock copolymer respectively. The claimed composition is elastic and is obtained in one stage without using mixing equipment. EFFECT: more efficient preparation method. 6 cl, 3 tbl
Patent RU-2144444-C1 (RU)
Title: Method for making three-dimension products of foil by pressing
Inventor: SMYSLOV I I
IPC: B09B3/00
Filed: 1996-01-23
Granted: 2000-01-20
Abstract: FIELD: plastic metal working, possibly manufacture of shaped three-dimension articles by pressing, processing solid waste for making useful articles. SUBSTANCE: method comprises steps of making blank, pressing it, mainly at 20 C, removing ready product out of pressing apparatus. Novelty is step of making preliminary blank by nodulizing foil. EFFECT: possibility of making articles with isotropic strength properties of predetermined values. 8 cl, 8 ex
Patent RU-2125477-C1 (RU)
Inventor: DOMENIKO KARLO KUPERTINO
IPC: C22B30/06
Filed: 1994-08-03
Granted: 1999-01-27
Abstract: FIELD: hydrometallurgy. SUBSTANCE: metal is isolated from its organic complex which is treated with weakly acidic ammonium chloride aqueous solution, wherein concentration of chloride is at least 4 M to decompose complex and release metal ions into solution. EFFECT: simplified procedure. 11 cl, 2 ex
Patent RU-2130807-C1 (RU)
Title: Sluice box for enrichment of placers
Inventor: RAZDOL KIN V N
IPC: B03B5/70
Filed: 1996-05-17
Granted: 1999-05-27
Abstract: FIELD: enrichment of mineral resources. SUBSTANCE: sluice box has loading device and flow guides positioned in upper part of body, body with bottom consisting of two planes arranged at an angle relative to each other which decreases gradually from sluice box loading to unloading. Sluice box also includes damping plates spaced from each other and from sluice box bottom, flow splitter designed to discharge surplus water, and concentrate cut-off device. Vertical sides of sluice box narrow down towards unloading and approach central longitudinal axis in plan. In this case, body of sluice box is inclined to horizon. Sluice box extraction of small and fine-dispersed particles of valuable component. EFFECT: higher efficiency. 4 dwg
Patent RU-2096480-C1 (RU)
Title: Automatic natural gas flow rate regulation system for blast furnace tuyere
Inventor: KOZODEROV VIKTOR IVANOVICH
IPC: C21B7/24
Filed: 1996-05-21
Granted: 1997-11-20
Abstract: FIELD: ferrous metallurgy. SUBSTANCE: automatic flow rate regulation system has channel adapted for measuring flow rate of hot oxygen-enriched blast furnace gas and provided with measuring diaphragm; hot blast furnace gas temperature measuring channel with thermoelectric couple; channel adapted for measuring oxygen content in blast furnace gas and provided with sensor; channel adapted for measuring natural gas flow rate and provided with measuring diaphragm; natural gas flow rate setter; measuring and electronic units of regulator; power amplifier and actuating mechanism; theoretical combustion temperature setter; device connected with first and second multipliers and adapted for determining coefficients k(1) and k(2) allowing natural gas flow rate to be optimized. Regulator is mounted on natural gas pipeline. EFFECT: increased efficiency of blast furnace, reduced consumption of coke by providing optimum flow rate ratio of natural gas and oxygen-enriched blast furnace gas. 1 dwg , 1 tbl
Patent RU-2102487-C1 (RU)
Inventor: GNEZDILOVA A I
IPC: A23C21/00
Filed: 1996-07-09
Granted: 1998-01-20
Abstract: FIELD: food industry. SUBSTANCE: invention relates to technology of dairy condensed preserves production. Method involves feeding the condensed milk with sugar in vacuum-refrigerator, reagent addition that decreases its surface tension and delaying crystal growth. The used reagent is sunflower oil taken at amount 0.001-0.005% of mass. Then process involves milk cooling and lactose crystals growing. EFFECT: improved quality of ready product. 3 tbl
Patent RU-2120081-C1 (RU)
Title: Central thermal station of closed heat supply system
Inventor: SHARAPOV V I
IPC: F22D1/50
Filed: 1996-09-24
Granted: 1998-10-10
Abstract: FIELD: heat supply systems. SUBSTANCE: proposed thermal station includes branch pipe of starting water of vacuum deaerator connected to hot water pipe line after first-stage preheater. Second-stage preheater is connected to deaerated hot water pipe line after vacuum deaerator, tank-accumulator and pump. Heating agent branch pipe of vacuum deaerator is connected to deaerated hot water pipe line after second-stage preheater. EFFECT: improved quality of deaerated water due to difference of 20 C between starting water temperature and heating agent temperature in vacuum deaerator. 1 dwg
Patent RU-2110356-C1 (RU)
Inventor: UMANETS V I
IPC: B22D11/115
Filed: 1996-09-26
Granted: 1998-05-10
Abstract: FIELD: metallurgy, metal continuous casting. SUBSTANCE: device has casting ladle with long tube in its bottom. Long tube enters working hollow of tundish provided with long nozzles in its bottom entering molds. Tundish has vertical transverse partitions separating the tundish working hollow into three interconnected zones. Device has DC plasma generator with graphite cathodes entering tundish working hollow and bottom electrodes installed in tundish bottom. Cathodes are made with through axial holes and cathode outer surface and surfaces of axial holes are provided with screw recesses. Number of starts of screw recesses is 2-5. Screw recess pitch amounts to 0.4-0.6 cathode outer diameter. Diameter of cathode internal hole equals to 0.08-0.12 of its outer diameter. EFFECT: increased intensity of heating and mass transfer in metal bulk, improved stability of cathodes and higher yield of quality ingots. 7 cl, 3 dwg, 1 tbl
Patent RU-2103412-C1 (RU)
Inventor: GONOPOL SKIJ ADAM MIKHAILOVICH
IPC: B05D5/06
Filed: 1996-12-17
Granted: 1998-01-27
Abstract: FIELD: wood working. SUBSTANCE: pretreated wood surface is subjected, to depositing double-layer coating using arc metallization technique wherein inner layer is deposited by jet from metal spray gun oriented to surface at angle 30- 60 deg., while temperature of metal in contact point with surface is below wood carbonization temperature but higher than metal plastic deformation temperature. EFFECT: optimized parameters of procedure. 3 cl, 1 tbl
Patent RU-2141888-C1 (RU)
Inventor: KOMARCHEV A I
IPC: B23K9/06
Filed: 1996-12-26
Granted: 1999-11-27
Abstract: FIELD: welding technique, namely arc welding systems. SUBSTANCE: power source includes single-phase transformer with two-core magnetic circuit, primary winding and two secondary windings. Each secondary winding is connected with its own non-controlled rectifier. Outputs of both rectifiers are connected in parallel relative to arc gap. All windings are in the form of two sections connected in series and in accordance one with another. Equal-level sections of primary winding are placed on different cores and spaced by the same distance from one yoke of magnetic circuit. Secondary windings are also placed on different cores in such a way that their first equal-level sections are spaced by the same distance from other yoke of magnetic circuit and their second sections are wound on sections of primary windings. Smooth control of welding current is realized by means of movable magnetic shunt arranged in window of magnetic circuit between primary winding and first sections of secondary windings. EFFECT: possibility of smooth control of welding current, reduced mass and size of source, lowered level of energy consumed from mains, high operational reliability. 3 dwg
Patent RU-2118601-C1 (RU)
Inventor: BAKLAGIN I M
IPC: B64D39/00
Filed: 1997-04-02
Granted: 1998-09-10
Abstract: FIELD: transportation of aircraft fuel. SUBSTANCE: group fuel servicing vehicle includes fuel reservoirs, pumping units, filters-separators, distributing rakes, pressure regulators, fuelling shock alleviators and filling units. Shock alleviators are made in form of vertical located on sections of pipe lines between pumping unit and filter-separators, as well as between filters-separators and distributing rake. Each shock alleviator is provided with swivel partition provided with central hole and mounted at branch inlet and vent valve fitted in top portion of branch. Total volume of branches is determined by mathematical dependence. EFFECT: accident-free refuelling of flying vehicles with no reduction in capacity. 2 dwg, 4 tbl
Patent RU-2125647-C1 (RU)
Title: Compound for oil recovery and method of making compound
IPC: E21B43/22
Filed: 1997-04-01
Granted: 1999-01-27
Abstract: FIELD: oil production industry. SUBSTANCE: this relates to compounds and methods for recovery of oil based on using hydrocarbon and/or oil solutions of surface-active materials which can independently create stable emulsions. Included in compound as surface-active material are condensation products of ethylene oxide with hydrocarbon derivatives containing labile atom of hydrogen - hydroxyethylated derivatives of fatty alcohols, acids, alkylphenols - 15-25 mass%. Used as oil phase is heavy asphalt-resin oil with density of 900 kd/m 3  and higher with content of asphaltenes being 10% and more - 50-70 mass%. Used as solvent is regulator increasing solubility of non-ionogenic surface-active materials and asphalt-resin components in oil - carbon tetrachloride or chloroform - 15-25 mass%. According to method of producing compound, initially mixed are surface-active materials and solvent-regulator in proportion of 1:1, then at constant mixing obtained solution is introduced into oil phase in amount of 30-50%. Application of aforesaid compound enhances oil sweep-out properties and reduces absorption of surface-active materials. EFFECT: higher efficiency. 2 cl, 2 tbl
Patent RU-2107050-C1 (RU)
Title: Raw material mixture for manufacturing of porous building materials
Inventor: BEZRODNYJ V G
IPC: C04B38/06
Filed: 1997-05-06
Granted: 1998-03-20
Abstract: FIELD: building materials production. SUBSTANCE: mixture comprises, vol. %: fibrous hygroscopic additive having vegetable origin, 28.6-50; clay, 50-71.4. Mixture may also comprise wood sawdust having moisture content 23-38 % or peat having moisture content 23-55 %. EFFECT: improved quality. 3 cl, 2 tbl
Patent RU-2151242-C1 (RU)
Title: Road-building machine driving axle
Inventor: ZHAVORONKOV A V
IPC: E02F9/02
Filed: 1997-05-22
Granted: 2000-06-20
Abstract: FIELD: transport engineering; road-building machinery. SUBSTANCE: driving axle for road-building machine has central part with housing accommodating main bevel pair with circular tooth, differential, disk brakes in oil bath, planetary reduction gears, each with crown and sun gears, planet pinions and carrier, and axle beams with axle-shafts connected with housing of central part by one end. Axle-shafts are relieved from bending moment. Crown and sun gears and planet pinions of planetary reduction gear are made for replacement with gears with changed number of teeth at constant design of carrier. Each beam can be made for mounting on free end of wheel and wheel balancer accommodating wheel drive inside. EFFECT: enlarged operating capabilities of driving axle. 3 cl, 2 dwg
Patent RU-2143680-C1 (RU)
Title: Method of quantitatively determining summary sulfur in sulfur- containing petroleum products
Inventor: PONOMAREV A S
IPC: G01N30/00
Filed: 1997-06-18
Granted: 1999-12-27
Abstract: FIELD: analytical methods. SUBSTANCE: sulfur-containing sample is dissolved in 1: 4 v/v acetone- hexane mixture and summary sulfur is determined by gas chromatography technique in combination with atomic-emission spectroscopy using capillary column with fixed phase based on grafted 5% diphenylpolysilixane and dimethyl sulfone (5•10 -4  mg/ml elementary sulfur level) as standard reference solution. Chromatographic process is conducted at temperature from 60 to 280 C involving helium as gas carrier and hydrogen as gas reactant. EFFECT: simplified procedure and increased sensitivity and accuracy. 3 cl, 2 dwg, 3 tbl
Patent RU-2129702-C1 (RU)
Inventor: MAKAROV V P
IPC: G01F23/20
Filed: 1997-07-07
Granted: 1999-04-27
Abstract: FIELD: measurement technology. SUBSTANCE: invention is intended to measure mass of liquid in open tank while amount of liquid issued from tank is checked. Apparatus includes weight-measuring mechanism, main and auxiliary vessels. Compensator of weight of issued and added liquid is linked by pipe-line to main vessel. Comparison transmitters and valves connected to control unit are arranged in connecting pipe-line. Compensator of weight can be manufactured in the form of hydraulic cylinder which piston space communicates with pipe-line. Auxiliary vessel can be put on rod of hydraulic cylinder. Comparison transmitter can be fabricated in the form of differential manometer. EFFECT: increased precision of issue of liquid from tank, possibility of check of mass of liquid in tank, expanded application field. 2 cl, 1 dwg
Patent RU-2133813-C1 (RU)
Title: Method for drilling superdeep bore-holes
Inventor: SKVORTSOV JU P
IPC: E21B7/00
Filed: 1997-07-08
Granted: 1999-07-27
Abstract: FIELD: mining industry. SUBSTANCE: method relates to technology of drilling deep and superdeep bore-holes. According to method, lowered into bore-hole preliminarily filled with washing fluid is drilling tool which is not filled with fluid. Washing fluid is continuously or periodically added up to bore-hole head. Adding of fluid is started when external pressure is less than crushing pressure P ex < P c . At reaching of depth equal to 2500 m, adding of fluid inside drilling string is discontinued. Drilling tool which is not filled with fluid to aforesaid height is lowered to bottom hole, productive bed is drilled up, washing with fluid is continued with subsequent pressure-forcing it down from top to bottom through drilling pipes, sludge catching pipe, lock-turning valve, throttle, and drilling bit with application of special catchers and movable valve up to stopping of inflow of fluid into drilling pipes from annular space. After that, drilling tool freed from washing fluid is lifted up. Application of aforesaid method allows for reaching required depth of drilling superdeep bore-holes together with reduction of material and power cost. EFFECT: higher efficiency. 5 cl
Patent RU-2135442-C1 (RU)
Inventor: KIRJUKHIN A M
IPC: B01J31/14
Filed: 1997-09-29
Granted: 1999-08-27
Abstract: FIELD: chemistry of polymers. SUBSTANCE: oligomers are prepared by cooligomerization of piperylene, pyrolysis diene fractions containing five, eight or ten carbon atoms in the presence of catalyst. Said oligomers are used as film-forming agents for varnished products (drying oils, varnishes and paints) and for manufacture of coatings and impregnating compounds. Catalyst is homogeneous catalyst complex prepared by reacting AlCl 3  with unsymmetrical ethers of general formula: ROR′ wherein R is methyl, ethyl and isopropyl, and R′ is tert-butyl or phenyl in aromatic solvent at AlCl 3 :ROR′ molar ratio of 1.0:0.5-1.5, respectively in amount of 0.25-1.50 wt.%. EFFECT: simplified technology of preparing catalyst, increased yield of oligomeric products using cheap pyrolysis stock and high quality of varnished products manufactured therefrom. 9 ex, 2 tbl
Patent RU-2149102-C1 (RU)
Inventor: LEVENDASKI TOMAS L
IPC: B29C47/04
Filed: 1995-04-12
Granted: 2000-05-20
Abstract: Описывается способ экструзионного покрытия металлической полосы для получения покрытой металлической полосы, включающий предоставление полосы металла толщиной приблизительно 0,1778 - 0,356 мм, нагревание этой металлической полосы до температуры по меньшей мере около 204°С, но не слишком высокой, чтобы не оказать вредного воздействия на желаемые свойства металлической полосы, экструзию полимерной смолы на одну сторону и той же или другой полимерной смолы на другую сторону нагретой металлической полосы с образованием покрытия, которое по меньшей мере частично связано с металлической полосой, причем каждое такое покрытие имеет толщину в интервале примерно 7,6 - 38 мкм, нагревание покрытой металлической полосы до температуры, по меньшей мере равной температуре стеклования смолы, не слишком высокой, чтобы не оказать вредного воздействия на желаемые свойства металлической полосы так, чтобы смола связалась с металлической полосой; и охлаждение покрытой металлической полосы до температуры ниже примерно 40°С, чтобы смола затвердела в существенно некристаллической форме. Описывается также устройство для покрытия металлической полосы и изделия из полосы. Технический результат - упрощение и удешевление процесса. 3 с. и 8 з.п. ф-лы, 14 ил. ;
Patent RU-2137237-C1 (RU)
Title: Three-phase high-voltage transformer with voltage control for supply of 12-phase rectifier-inverter aggregate
Inventor: VINOGRADOV A V
IPC: H01F27/28
Filed: 1997-12-16
Granted: 1999-09-10
Abstract: FIELD: rectifier-inverter aggregates. SUBSTANCE: network and valve windings are put on concentration centers. Each of them occupies two concentration centers located side by side. Half of parts of valve winding are Y-connected and each part of second half includes delta-connected section. EFFECT: increased efficiency, improved mass and size characteristics and reduced coefficient of nonsinusoidality of voltage of supply network. 5 dwg
Patent RU-2133884-C1 (RU)
Title: Liquid-and-gas ejector (versions)
Inventor: POPOV S A
IPC: F04F5/04
Filed: 1998-03-27
Granted: 1999-07-27
Abstract: FIELD: creation of vacuum. SUBSTANCE: ejector is provided with supersonic flow conversion chamber whose cross section area ranges from 1.01 to 28 areas of minimum flow section of mixing chamber in zone of its expansion. Supersonic flow conversion chamber is mounted on side of outlet of ejector mixing chamber or on side of outlet of mixing chambers depending on version of ejector. EFFECT: enhanced operational efficiency and reliability of ejector. 4 cl, 3 dwg
Patent RU-2134219-C1 (RU)
Title: Space thermomechanical sun orientation system
Inventor: VOLKOV E E
IPC: B64G1/36
Filed: 1998-04-02
Granted: 1999-08-10
Abstract: FIELD: space engineering; control means for spacecraft, solar batteries, stabilized navigation platforms, etc. SUBSTANCE: system includes thermosensitive elements made from material possessing high temperature expansion coefficient which are combined in orientation mechanisms. Each mechanism has orientable axle and misalignment disk kinematically linked with this axle and above-mentioned elements through antifriction roller over disk. Mechanism are secured to base module of space vehicle by means of its orientable axles. Technological helium elements oriented to Sun are mounted on base modules. In case of disorientation of system relative to Sun, heating temperatures of thermosensitive elements are redistributed and maximum angles of misalignment of disks of respective mechanisms are shifted, thus setting in rotation the orientable axles (at counter-rotation of remaining mechanisms) and consequently returning one or several base modules in Sun oriented position. EFFECT: simplified construction of systems working due to direct use of solar energy. 17 cl, 12 dwg
Patent RU-2128943-C1 (RU)
Title: Method and device for determining ovulation time period
Inventor: BERKENGEJM M L
IPC: A61B5/251
Filed: 1998-04-09
Granted: 1999-04-20
Abstract: FIELD: medicine. SUBSTANCE: method involves bringing electrodes manufactured from chemically heterogeneous materials in contact with mucous excreta and measuring redox potential difference arising between the electrodes. The value achieves maximum at ovulation period. Saliva or cervical fluid is to be taken as the mucous excreta. Device has electrodes fixed in dielectric holder manufactured from chemically heterogeneous materials and electrically connected to potentiometer. The potentiometer has comparator unit, indication unit operation threshold setter and stable power supply source. One of electrode is optionally manufactured from copper in particular, the other one from aluminum or gold and aluminum. EFFECT: enhanced accuracy of measurements; wide range of functional applications in pregnancy planning and reproductive system state diagnosis. 7 cl, 2 dwg
Patent RU-2136601-C1 (RU)
Title: Gear for purification and disinfection of water
Inventor: RJAZANOV N D
IPC: C02F1/46
Filed: 1998-06-01
Granted: 1999-09-10
Abstract: FIELD: preparation of water for drinkable and service water supply systems. SUBSTANCE: gear has body housing high-voltage and grounded electrodes manufactured in the form of volumetric grates. High-voltage electrode is positioned between grounded electrodes. Chord extension piece meant for effective dissolution of ozone in water is placed beneath electrode system. Inlet of branch pipe feeding water is connected to outlet of ejector pump which mixes purified water with atmospheric air and outlet of branch pipe is linked to distributor that transforms water and air mixture to drop flow. Branch pipe discharging ozone and air mixture is connected to another ejector pump which conducts repeat ozone treatment of water. Branch pipe discharging water treated with electric discharges is connected to intermediate tank from which water is fed for repeat ozone treatment into ejector pump and for further purification. EFFECT: enhanced efficiency of purification and disinfection of water, reduced specific energy consumption for purification process. 2 dwg