baber/WOPTO huggingface dataset:
Patent RU-2182231-C2 (RU)
Inventor: VOJLOSHNIKOV M V
IPC: E21C50/00
Filed: 2000-05-25
Granted: 2002-05-10
Abstract: FIELD: equipment for mining of ferromanganesian concretions. SUBSTANCE: device includes craft connected with submersible apparatus by means of pipeline. Submersible apparatus is made in form of body installed on running wheel pair and accommodating catching-and-crushing mechanism connected wit axle of running wheel pair. Device is distinguished by the fact that catching-and-crushing mechanism is made in form of cylindrical case with window on side surface and installed for rotation round immovable axle of running wheel pair and kinematically connected with air drive of reversive rotation. Crushing unit of catching-and-crushing mechanism is made in form of spiral spring rigidly connected with its one end to axle of running wheel pair, and with its other end, to edge of window of cylindrical case. Axle of driven wheel pair is hollow and has hole connecting axle hollow with hollow of cylindrical case, and by means of air lift rigidly connected with driven axle, is hydraulically connected with accumulating bin located in body of device and hydraulically connected with receiving hole of pipeline. Besides, device has lock mechanism, for instance, made in form of spring-loaded latch installed on device body for engagement with recess made on outer surface of case. EFFECT: simplified design of device. 6 dwg
Patent RU-2182988-C2 (RU)
Inventor: GORELIKOV V I
IPC: F04B37/08
Filed: 2000-05-26
Granted: 2002-05-27
Abstract: FIELD: cryogenic and vacuum engineering; construction of freezing-out traps used in vacuum technologies, for example, evacuation of heat- insulated cavities in cryogenic reservoirs. SUBSTANCE: heat-insulated housing is provided with reservoir filled with cryogenic fluid. Cylindrical jacket forms cavity together with wall of reservoir which is brought in communication with space being evacuated, for example with heatinsulated cavity of cryogenic reservoir. Wall of jacket is provided with helical transversal fins found on its outer and inner surfaces forming helical passages together with walls of housing and reservoir. Walls of jacket are [provided with corrugations located between fins in parallel with them. EFFECT: enhanced efficiency of cooling enhanced; strength of trap construction. 1 dwg
Patent RU-2188302-C2 (RU)
Title: Method of well stage cementing under conditions of abnormally low formation pressures in lost circulation zone
Inventor: NERSESOV S V
IPC: E21B33/14
Filed: 2000-09-19
Granted: 2002-08-27
Abstract: FIELD: construction of oil and gas wells. SUBSTANCE: method includes installation of stage cementing collar above roof of lost-circulation formation; injection of spacer fluid, portion of nonaerated cement slurry; forcing of cement slurry by displacing fluid; pumping of low-density fluid to annular space during forcing of cement slurry; mounting of cementing head with lower and upper separating plugs and locking member after installation of stage cementing collar. After injection of spacer fluid, lower part of casing is cemented, above lost circulation zone, by lowering of lower separating plug. Cement slurry is forced by displacing fluid with upper separating plug. After that, locking member is dropped with subsequent washing out of excessive cement slurry. After setting of cement slurry, upper part of casing is cemented through stage cementing collar. Portion of nonaerated cement slurry is injected in amount ensuring filling of annular space in interval from foot of lost circulation formation to stage cementing collar. Subsequent additional portion of cement slurry in amount ensuring filling of annular space from shoe of casing to foot of lost circulation formation is aerated during injection by increasing aeration degree within rage calculated by formulas. Density of aerated cement slurry in well, kg/cu.m is determined by formula. Low-density fluid is used in the form of two-phase foam with aeration degree calculated by formula. Two-phase foam density, kg/cu.m is determined by formula. Consumption of two-phase foam is determined from inequality. Nonaerated cement slurry is used in the form of the following composition, wt.p.p: oil-well portland cement, 100; superplasticizer, 0.9-1.5; polyvinyl alcohol, 0.5-1.0; sulfonol, 0.4-1.0; water, 35. Two-phase foam is used in the form of foaming fluid of the following composition, wt. p. p: aqueous solution of calcium chloride, ρ-1120 kg/cu.m, 100; commercial lignosulfonate, 0.7-1.0. EFFECT: higher efficiency of cementing process. 3 cl
Patent RU-2183637-C2 (RU)
Inventor: DZHEMILEV U M
IPC: C07F5/06
Filed: 2000-09-25
Granted: 2002-06-20
Abstract: FIELD: metalloorganic chemistry, chemical technology. SUBSTANCE: invention describes a method of combined synthesis of 1-ethyl-2- - alkylidenealumacyclopentanes of the general formula (1)  and 1-ethyl-2-methylene-3- alkylalumacyclopentanes of the general formula (2)  where R is n-C 6 H 13 , n-C 8 H 17  and characterized by that alkylalkylene of the general formula R-=• where R as determined above is subjected for interaction with triethylaluminum (Et 3 Al) in the mole ratio R-=•= : Et 3 AlCl 2  = 10: (10-14), respectively, in the presence of catalyst zirconacene dichloride (Cp 2 ZrCl 2 ) taken in the amount 2-6 mole % with respect to alkylalkylene in hexane medium. Reaction is carried out in argon atmosphere, at the room temperature (~20 C) and under normal pressure for 8-12 h. The proposed method of synthesis can be used in industrial organic synthesis, in part, in polymerization processes where the synthesized compounds act as catalysts. EFFECT: improved method of synthesis. 1 tbl, 8 ex
Patent RU-2192947-C2 (RU)
Inventor: ZAJCHENKO JU A
IPC: B23K13/01
Filed: 2000-10-30
Granted: 2002-11-20
Abstract: FIELD: surfacing of different parts and assemblies operating in mode of friction pairs. SUBSTANCE: method comprises steps of applying upon article predetermined layer of charge having pellets of wear resistant alloy; melting charge by means of inductor; preliminarily treating pellets of wear resistant alloy by means of mixture of boric acid 88-90% and soda ash 10-12% at adding water to said mixture in relation 250 g per 1 kg of mixture; heating up to 250 C for crystallizing boron containing components on surface of pellets of wear resistant alloy. At temperature 700-1300 C at process of surfacing boron containing components are crystallized. It prevents pellet oxidation and promotes boron diffusion on their surface. EFFECT: lowered thickness of charge layer at surfacing, increased storage period of charge.
Patent RU-2194615-C2 (RU)
Title: Method and device for cutting of films consisting of film base and decorative layer on it, in particular, films for stamping
Inventor: KHOPFENZITTS RAL F
IPC: B23K26/402
Filed: 1999-03-01
Granted: 2002-12-20
Abstract: FIELD: laser treatment, in particular, method and device for cutting of films, applicable in manufacture of films consisting of base and decorative layer. SUBSTANCE: at cutting, first the decorative coating is removed from the film base by laser radiation. Then, the film base is cut by a knife in the obtained track that is wider than the knife width. The device has a laser and a cutting knife located behind the place of action of the laser beam. Since first only the decorative coating is removed, there is a possibility to use small, relatively, cheap lasers. EFFECT: prevented wear of the cutting tool. 13 cl, 4 dwg
Patent RU-2274647-C2 (RU)
Inventor: SHTINEKER AKSEL
IPC: C08F285/00
Filed: 2000-12-06
Granted: 2006-04-20
Abstract: FIELD: chemistry of polymers, chemical technology. 
     SUBSTANCE: invention relates to a method for preparing thermoplastic polyvinyl chloride molding composition modified with the impact viscosity elastomer-containing modifying agent with improved impact-strength, resistance against bending and improved optical properties by using the impact viscosity modifying agent. Impact viscosity modifying agent consists of core and envelope wherein a core consists of polyvinyl chloride or vinyl chloride copolymer, and an envelope consists of crossed-linked homo- or copolymer of alkylacrylate or alkylmethacrylate. A modifying agent is prepared by emulsion polymerization for two stages wherein at the first stage a core is prepared and at the second stage an envelope is prepared in the presence of a core. Vinyl chloride monomer is subjected for the grafting co-polymerization by suspension method in the presence of indicated impact viscosity modifying agent. 
     EFFECT: improved preparing method. 
     12 cl, 1 tbl, 4 ex
Patent RU-2272043-C2 (RU)
Title: Ионные жидкости ii
Inventor: SHMIDT MIKHAEHL
IPC: H01M10/40
Filed: 2001-06-08
Granted: 2006-03-20
Abstract: Изобретение относится к органической химии, конкретно к новым ионным жидкостям, предназначенным для применения в электрохимических элементах и в органическом синтезе. Описываются ионные жидкости с общей формулой  , в которой K +  представляет собой один из катионов группы, состоящей из 
     
       
     
     где R 1 -R 5  могут быть одинаковыми или различными, а также могут быть связаны непосредственно друг с другом посредством одинарной или двойной связи, и каждый из них в отдельности или совместно принимает следующие значения: -Н, - галоген, - алкильный радикал (C 1 -C 8 ), который может быть частично или полностью замещен следующими группами, предпочтительно F, Cl, N(C n F (2n+1-x) H x ) 2 , O(C n F (2n+1-x) H x ), SO 2 (C n F (2n+1-x) H x ) или C n F (2n+1-x) H x , где 1<n<6 и 0<х<2n+1 и А -  есть анион, выбранный из группы, состоящей из [PF x (C y F 2y+1-z H z ) 6-x ] - , где 1≤х≤6, 1≤у≤8 и 0≤z≤2y+1. Технический результат - создание ионных жидкостей с широким интервалом жидкого состояния, высокой термической устойчивостью и низкой коррозионной активностью.
Patent RU-2219908-C2 (RU)
Inventor: VEMURI N MURTI
IPC: B02C19/06
Filed: 1999-12-01
Granted: 2003-12-27
Abstract: Изобретение относится к получению тонких порошков медикаментов, пригодных для ингаляции. Проводят распылительный размол с использованием мельничных сред - воздух или азот. Мельничная среда имеет относительную влажность в интервале 30-90%. Изобретение позволяет получать порошки медикаментов со средним размером частиц менее 10 мкм и содержанием аморфной фазы менее 5%. 9 з.п.ф-лы, 1 табл.
Patent RU-2209124-C2 (RU)
Inventor: ALEKSEEV JURIJ SERGEEVICH
IPC: B05B1/08
Filed: 2001-07-27
Granted: 2003-07-27
Abstract: FIELD: equipment for forming long-range sprayed jets of liquid; fire- fighting; humidification of air; dust suppression. SUBSTANCE: proposed device includes delivery pump and two identical hydrodynamic pressure pulsers made in form of plateseat valve pair pressed by spring for control of its initial compression. Pulser plates are interconnected by means of contact engageable rods; outlets of pulsers are connected to opposite ends of pipe line provided with attachment and to pump outlet. Proposed device ensures action on liquid escaping through attachment. EFFECT: enhanced dispersity; increased service life of spring. 1 dwg
Patent RU-2242483-C2 (RU)
Inventor: NIINIKOSKI MARI
IPC: D21H21/18
Filed: 2000-02-07
Granted: 2004-12-20
Abstract: FIELD: polymer materials. 
     SUBSTANCE: invention relates to starch-based dispersion containing copolymer of starch with monomers, which dispersion can be used in papermaking process. Dispersion contains product of reaction mixture containing following components in % on the content of solid phase in product: (i) 5 to 50%, preferably 5 to 40% of enzymatically undestroyed starch with degree of substitution with cationic or anionic substituents in the range 0.01 to 1 and with intrinsic viscosity, on introducing cationic and/or anionic groups, > 1.0 dl/g; (ii) 50 to 95%, preferably 60 to 95%, of monomer mixture containing at least one vinyl monomer; and (iii) water. Film formation temperature of polymer containing indicated components (i) and (ii) lies within a range from -50 to 200 о С, preferably from 0 to 100 о С, and still more preferably from 0 to 70 о С. Invention also provides a method for preparing above-described distillation. When dispersion is used for sizing surface of paper, resistance of the latter to the ink bleed as well as waterproofness of paper are considerably improved. 
     EFFECT: enabled preparation of stable polymer dispersion with viscosity, which does not rise in the course of preparation of dispersion. 
     14 cl, 10 ex
Patent RU-2208702-C2 (RU)
Inventor: ONUFRIEV V V
IPC: F02K99/00
Filed: 2001-10-10
Granted: 2003-07-20
Abstract: FIELD: space engineering. SUBSTANCE: invention relates to space propulsion systems, mainly to cruise electric rocket engine plants of space vehicles and complexes. In proposed electric rocket engine plant containing solar or nuclear power source, electric current converter, engine module and bus made of conducting material depending on working temperature and connecting output of electric power source with input of electric current converter, blacking coating is applied to outer surface of bus and each bus is made in form of electric conductor of rectangular section areas S, sq.m., of section being chosen from equation S = {N[ργp] 1/2 }/{U[T 4 fδd] 1/2 }, where  , d = 0,6T 4 -0,8T 3 /α+0,8T o T 3 +0,2T       4   o       , ρ, (Ohm. m) is specific resistance of bus material; N (W) is electric power transmitted along heat radiating bus from electric power source to electric current converter; T o (K) (K) is temperature of by bus t no current, T(K) is working temperature of bus; δ (kg/m 3 ) kg/cu.m is density of bus material; α  (K -1 ) is temperature coefficient of bus material electric resistance; γ (kg/Wt) (kg/W) is specific mass of electric power source, f≤1, is coefficient; V (V) is working voltage of electric power source. Ratio of thickness h to width b of bus outer surface is chosen from equation h/b = [A+(A 2 -S) 1/2 ] 2 /S, where A=A = {N[δρd] 1/2 }/{4Uσε[fT 4 pγ] 1/2 }, σ, (Wt/m 2 K 4 )) is Stefan-Biltzmann constant, ε is emissivity factor of bus radiating surface. Aluminum or beryllium is used as material for bus operating at temperature from 300 K to 600 K, copper, molybdenum or niobium is used at temperatures from 600 K to 800 K, molybdenum is used at temperatures from 800 K to 1100 K and lithium filled niobium tube is used at temperatures from 1100 to 2000 K. Invention improves efficiency of electric rocket engine plants owing to optimization of energy transmission from power source to electric rocket engines along buses featuring enlarged range of working voltages and power transmission range. EFFECT: improved efficiency of electric rocket engine installations. 5 cl, 2 dwg
Patent RU-2256670-C2 (RU)
Inventor: KNOL KONRAD
IPC: C08J5/00
Filed: 2000-03-23
Granted: 2005-07-20
Abstract: FIELD: block copolymers containing at least two rigid blocks formed by vinyl aromatic monomers. 
     SUBSTANCE: proposed copolymer has at least two rigid blocks formed by vinyl aromatic monomers and at least one static soft block formed by dienes and vinyl aromatic monomers; soft block containing at least 20% of 1,2-vinyl is located between rigid blocks; fraction of rigid blocks is equal to 51-74mass-% in terms of entire block copolymer. Block copolymers are obtained through anion polymerization; polymerization of soft block is performed in presence of potassium salt. Transparent glass-like polysterene thus obtained is characterized by elasticity modulus of 753 Mpa, tensile stress of 18.2 Mpa, breaking stress of 33.6 Mpa, elongation at rupture of 373%, Shore hardness of 66 and softening temperature (by Vieat) of 44.6°C. Proposed block copolymers possess good compatibility with styrene polymers and may be used for production of fibers, films and molded units. 
     EFFECT: enhanced efficiency. 
     15 cl, 9 tbl, 27 ex
Patent RU-2214468-C2 (RU)
Title: Способ очистки водных растворов кобальта от марганца
Inventor: VOROPANOVA L A
IPC: C01G45/00
Filed: 2001-12-18
Granted: 2003-10-20
Abstract: Способ очистки растворов кобальта от марганца относится к области извлечения веществ осаждением труднорастворимого соединения и может быть использован в цветной и черной металлургии, а также для очистки промышленных и бытовых стоков. Техническим результатом является повышение эффективности способа, его экономичность и простота осуществления. Способ осаждения ионов марганца из кислых растворов солей кобальта осуществляют в присутствии в растворе ионов калия и фтора, а окислители вводят только по стехиометрии на окисление ионов марганца. В качестве окислителей используют Со(ОН) 3 , MnO 2 , КMnO 4 . 1 з.п. ф-лы, 1 ил., 4 табл.
Patent RU-2272715-C2 (RU)
Title: Система, образованная ободом и усиливающей опорой
Inventor: ABINAL RISHAR
IPC: B60B21/10
Filed: 2001-12-20
Granted: 2006-03-27
Abstract: Изобретение относится к автомобильному транспорту и предназначено для использования в конструкции пневматической шины с кольцевой поддерживающей опорой. Оба посадочных места обода имеют разные диаметры и наклонены в направлении наружу. Опорная поверхность обода снабжена, по меньшей мере, одним окружным выступом, расположенным в окружной канавке, выполненной на внутренней в радиальном направлении поверхности усиливающей опоры беговой дорожки протектора шины. В результате повышается надежность и безопасность шины. 5 з.п. ф-лы, 1 ил.
Patent RU-2220079-C2 (RU)
Inventor: SHOLOKHOV A V
IPC: B64G4/00
Filed: 2002-01-21
Granted: 2003-12-27
Abstract: Изобретение относится к средствам оперативной фиксации и расфиксации предмета на поверхности космического объекта. Например, при установке космонавтом на поверхности космического объекта образцов технологического и научного оборудования. Задачей настоящего изобретения является создание разъемного устройства жесткого безлюфтового удержания (фиксации) предмета на поручнях космического объекта, упрощение конструкции устройства фиксации. Устройство содержит несущую конструкцию для закрепления предмета и зажимы. При этом несущая конструкция выполнена в виде жесткой платформы с жестко установленными на ней зажимами, а число зажимов n≥3. Зона захвата зажимов соответствует конфигурации поручней, причем, по крайней мере, один из зажимов контактирует с поверхностью одного из поручней, а остальные жестко фиксируют платформу относительно поручней. Технический результат - упрощение конструкции устройства фиксации предмета, обеспечение надежности и удобства в обращении. 7 ил.
Patent RU-2231491-C2 (RU)
Inventor: SHABANOV N I
IPC: B65G53/18
Filed: 2002-07-11
Granted: 2004-06-27
Abstract: FIELD: pneumatic transportation of grain material. 
     SUBSTANCE: apparatus has transportation pipeline of triangular section, air inlet channel, and charging windows for supplying of grain material into transportation pipeline. Air inlet channel is arranged above transportation pipeline. Equally spaced nozzles are successively positioned in lower part of air inlet channel at an angle toward transportation direction and in spaced relation to transportation pipeline bottom. Flexible valves are fixed on side surfaces of air inlet channel by means of shields providing for adjustment of charging window sizes. 
     EFFECT: reduced consumption of power. 
     2 dwg
Patent RU-2277663-C2 (RU)
Inventor: ISMIEV EHKRAM ABUL FAS OGLY
IPC: F16K31/02
Filed: 2002-09-12
Granted: 2006-06-10
Abstract: FIELD: fluid-pressure actuators. 
     SUBSTANCE: flow regulator comprises housing (1), seat (7), and valve (5) made of a sleeve coaxially mounted in sleeve (4) secured in housing (1) with a guaranteed spaced relation that represents hydraulic throttle (19).  Ring passage (8) is defined between the inner surface of housing (1) and outer surfaces of valve (5) and second sleeve (4).  The passage is in communication with hydraulic throttle (19), and space (9) between valve (5) and second sleeve (4) is in communication with hydraulic throttle (19) and space (11) downstream of the seat through pulse passage (14) and nozzle (12) with gate (15) that moves under the action of solenoid (18) or push button (17), or with small cock (20) through branch pipe (21) and pulse passage (22). 
     EFFECT: improved structure. 
     1 cl, 1 dwg
Patent RU-2268325-C2 (RU)
Inventor: BOVIR ZHAK
IPC: C25D11/02
Filed: 2001-04-25
Granted: 2006-01-20
Abstract: FIELD: electrolytic application of coats; micro-arc oxidation of metal possessing semiconductor properties for obtaining ceramic coats. 
     SUBSTANCE: proposed method includes dipping metal into electrolytic bath containing  aqueous solution of alkaline metal hydroxide and alkaline metal salt oxygen-containing acid; metal forms electrode; then, voltage signal is applied on electrode; signal has triangular shape and positive and negative tilt at shape coefficient which may change in the course of process generating current at regulated intensity, pulse shape and relative ratio of positive intensity and negative intensity; process is characterized  by  independent change of shape coefficient, magnitude of potential, frequency and current or simultaneous change of triangular signal, magnitude of potential, frequency, current and UA/IC ratio. 
     EFFECT: reduced porosity of ceramic layer; possibility of obtaining dense and homogeneous layer over entire surface; reduced power requirements. 
     10 cl, 11 dwg
Patent RU-2243948-C2 (RU)
Inventor: KHVOSTENKOV S I
IPC: C04B20/10
Filed: 2002-12-10
Granted: 2005-01-10
Abstract: FIELD: cement concrete manufacturing. 
     SUBSTANCE: cement concrete filler is activated by application of liquid glass solution on its surface using liquid glass solution with density of 1.25-1.50 g/cm 3  in amount ≤3 % in respect to filler mass. Application of liquid glass solution on the surface of fine filler is carried out by spraying in blade blender following by treatment in rod-type blender with specific supplied power of 1-6 kW.h to 1 t of filler. Curing is carried out by heat treatment at 60-250 0 C or holding at room temperature. 
     EFFECT: cement stone of increased cohesive resistance with filler and cement concrete of improved quality. 
     3 cl, 2 tbl
Patent RU-2243609-C2 (RU)
Title: Способ отверждения концентрата трансплутониевых и редкоземельных элементов в керамику
Inventor: STREL NIKOV A V
IPC: G21F9/16
Filed: 2003-02-17
Granted: 2004-12-27
Abstract: Изобретение относится к области переработки жидких радиоактивных отходов. Сущность изобретения: способ отверждения концентрата трансплутониевых и редкоземельных элементов в керамику включает его кальцинацию в присутствии керамикообразующего матричного материала. При этом в качестве керамикообразующего матричного материала используют концентрированный раствор нитрата хрома или концентрированный раствор нитрата хрома с легирующей добавкой - концентрированным раствором нитрата меди в соотношениях, необходимых для образования твердых растворов M 1-x Cu x CrO 3 , где М - трансплутониевые и редкоземельные элементы, х=0-0,20. Компактирование кальцината в воздушной атмосфере проводят методом горячего изостатического прессования. Преимущества изобретения заключаются в надежной изоляции радиоактивных отходов в керамике. 2 табл.
Patent RU-2244853-C2 (RU)
Inventor: GORTYSHOV JU F
IPC: F04C18/02
Filed: 2003-03-17
Granted: 2005-01-20
Abstract: FIELD: mechanical engineering; compressor building. 
     SUBSTANCE: invention relates to evaporation cooling system of spiral compressors. According to proposed method, compression heat is removed from working zone of compressor by evaporating cooling heat carrier which is then condensed and directed for cooling, if required temperature of compressor working zone is exceeded, heat carrier boiling temperature is changed and maintained at level lower than required cooling temperature of compressor units by changing pressure in compressor cooling system. Proposed compressor contains housing, compression circuit, closed evaporation cooling system including outer jacket enclosing compressor housing, collector-condenser arranged higher than cooled surfaces and communicating through channels with heat carrier input in jacket and output and with device to decrease pressure. 
     EFFECT: improved cooling of compressor and efficiency. 
     8 cl, 1 dwg