baber/WOPTO huggingface dataset:
Patent RU-2123918-C1 (RU)
Title: Method for laser welding of thin-sheet cylindrical products and apparatus for performing the same
Inventor: ZABELIN A M
IPC: B23K26/20
Filed: 1996-12-10
Granted: 1998-12-27
Abstract: FIELD: production of cans, aerosol bottles, different-designation tubes and so on. SUBSTANCE: laser welding of materials is realized in range of thickness with deep fusion. As welded cylindrical blank is rolled out between rolls until necessary thickness values. Deep-fusion laser welding allows to eliminate incomplete fusion, undercuts, burnouts, drop like bulges that are typical for laser welding of thin-wall products. It enhances quality of welded joint and operational reliability of products. Article is finally rolled out by means of rolls and mandrel. It allows to use tube rotation around its own axis simultaneously for several processes such as tube shaping, welding, finish rolling out, cutting by separate portions. EFFECT: enhanced quality of welded joint. 4 cl, 2 dwg, 2 ex
Patent RU-2131777-C1 (RU)
Title: Centrifugal jig unit
Inventor: MITIN L A
IPC: B03B5/10
Filed: 1997-01-20
Granted: 1999-06-20
Abstract: FIELD: concentration of ores and sands containing fine-grained heavy minerals by gravitational separation in pulp flow. SUBSTANCE: machine includes bearing frame which carries two equidimensional jigging compartment which are made in form of fixed housing with flange in upper portion and cone-shaped movable jigging chamber with perforated walls, flange and overflow lip. Chambers are secured as cantilever on revolving shafts provided with lower floating supports. Machine is provided with pipe line for delivery of pulp to chambers and branch pipes for delivery of underscreen water. Fixed housing of jigging compartment are connected via diaphragms with movable cones which are articulated together by means of balance beam frame set in motion by means of double-arm balance lever. Movable cones are provided with branch pipes in their lower portions for discharge of heavy fraction. Mounted in jigging compartments between fixed housing and movable jigging chambers on flanges of chambers are contactless labyrinth seals made in form of several multi-start spiral-shaped riffles which have form of right-angle triangle in cross section with vertical edge directed towards axis of rotation. Volute-shaped pulp receivers located above jigging compartments are used for discharge of light fraction. EFFECT: reduction power requirement; enhanced efficiency and reliability of unit. 2 cl
Patent RU-2109693-C1 (RU)
Title: Method of softening industrial water
Inventor: ZHULIN NIKOLAJ VASIL EVICH
IPC: C02F101/30
Filed: 1997-01-24
Granted: 1998-04-27
Abstract: FIELD: water treatment. SUBSTANCE: in order to remove hardness salts from water in metallurgy and chemical industry, water is passed through cationite filters. Exhausted filters are regenerated by liquid organic wastes containing detergents with general formula C n H 2n COOX where n ≤ 17 and X = sodium, potassium, or hydrogen. EFFECT: essentially lowered hardness of water and reduced treatment cost. 1 tbl
Patent RU-2115944-C1 (RU)
Inventor: POSPELOVA N V
IPC: G03C1/035
Filed: 1997-02-21
Granted: 1998-07-20
Abstract: Изобретение относится к фотографической химии, а именно к способам изготовления бромиод- или бромхлориодсеребряной фотографической эмульсии с таблитчатыми микрокристаллами (Т-МК), и может быть использовано в процессах изготовления черно-белых, рентгенографических, цветных фотоматериалов различного назначения. Способ включает приготовление суспензии зародышевых МК одноструйным или двухструйным введением в раствор N1, содержащий гидрофильный коллоид, аммониевое основание в количестве 0,05-0,5 моль/л и воду, иодида щелочного металла или аммония и раствора N2, содержащего азотнокислое серебро и воду, при значении рI=0,5-3,0, рост полученных МК двухструйным введением в полученную суспензию раствора N2 и раствора N3, содержащего бромид или смесь бромида и хлорида щелочного металла или аммония и воду, при постоянном значении рВг=1,5-3,5, введение в реакционную среду аммониевого основания в количестве 0,1-1,5 моль/л и оствальдовское созревание при постоянном значении рВг. Раствор N3 может содержать до 55 мол.% хлорида щелочного металла или аммония. На стадии приготовления суспензии зародышевых МК применяют 1-15 мас.% азотнокислого серебра от его общего количества. При этом возможно стадию роста МК проводить в присутствии 1 • 10 -3  - 1 • 10 -5  моль/моль общего количества азотнокислого серебра в растворе N2 азотсодержащего гетероциклического соединения формулы I, где R 1 , R 2 , R 3  - одинаковые или различные Н, С 1 -C 8  алкил, или формулы II, где X = S, NН, O, Y = N, С - R 4 , R 4  = Н, SН, С 1 -C 5  алкил, или формулы III, где R 5  = Н, SН, С 1 -C 5  алкил или формулы IV, где Q = N - R 6 , S, О, R 6  = Н, С 1 -C 5  алкил, фенил, n = 1 или 2, при n = 1, Z = H, при n = 2 Z отсутствует. Технология позволяет изготавливать широкий ассортимент поли- (С N  > 25%) или монодисперсных (C V  < 25%) галогенсеребряных фотографических эмульсий с Т-МК, имеющими d ср  = 0,5 - 3,0 мкм, аспект отношения d ср  : h ср  = 2 : 1 - 25 : 1 с заданными гранулометрическими характеристиками в зависимости от назначения эмульсии. Продолжительность процесса составляет 20-60 мин, затраты времени на лимитирующую стадию роста МК, в том числе и крупных однородных по размеру МК, не более 20-30 мин, в сравнении с 90 мин, необходимыми для получения однородных по размеру крупных Т-МК того же размерного класса по прототипу. 5 з.п. ф-лы, 3 табл. 
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Patent RU-2115622-C1 (RU)
Inventor: BITNER A A
IPC: C01D7/00
Filed: 1997-05-22
Granted: 1998-07-20
Abstract: FIELD: metallurgy of non-ferrous metals, more particularly technology of inorganic matter. SUBSTANCE: method of preparing potassium carbonate from soda-potash solutions resulting from manufacture of alumina by agglomeration of nephelines comprises evaporating and cooling solutions to separate deposit of admixtures and double salt and crystallizing potassium carbonate sesquihydrate from the resulting solution, cooling solutions having K 2 O molar moiety from total of K 2 O and N 2 O of at least 70% with 5.5-7.0 H 2 O moles per 1 mol of dry salts. EFFECT: more efficient preparation method.
Patent RU-2136083-C1 (RU)
Title: Solid-state chemical current supply
Inventor: POTANIN A A
IPC: H01M4/48
Filed: 1997-07-23
Granted: 1999-08-27
Abstract: FIELD: self- contained primary batteries for continuous power supply systems. SUBSTANCE: current supply has anode made of rare-earth metals or their alloy, fluorine ion-conducting electrolyte composed of at least one rare-earth metal fluoride and one alkaline-earth metal fluoride, and cathode made of mixture of metal oxide and ion-conducting complex fluoride that has in its composition, apart from fluorine, at least two metals of different valence. Cathode has in its composition 11.5-96.9 mole percent of complex fluoride and 3.1-88.5 mole percent of metal oxide. Metal oxide may be cupric oxide CuO, lead oxide PbO 2 , manganese oxide MnO 2 , vanadium oxide V 2 O 5 , or silver oxide Ag 2 O. Open- circuit voltage of current supply is up to 3.9 V, operating temperature range is between room temperature and 500 C. EFFECT: improved performance characteristics. 6 cl, 2 dwg, 2 tbl, 15 ex
Patent RU-2137254-C1 (RU)
Title: Heat sink for cooling semiconductor power device
Inventor: VEKSIN JU G
IPC: H01L23/367
Filed: 1997-08-13
Granted: 1999-09-10
Abstract: FIELD: semiconductor engineering. SUBSTANCE: heat sink has base built up of alternating plates of two types joined together, ribs in the form of bent-out edges of base plates arranged in parallel and equally spaced apart, and supporting area formed by end surfaces of base plates joined together. EFFECT: improved cooling efficiency. 2 dwg
Patent RU-2124714-C1 (RU)
Inventor: MORDASOV M M
IPC: G01N29/02
Filed: 1997-10-29
Granted: 1999-01-10
Abstract: Устройство для измерения плотности жидкости может найти применение в различных отраслях промышленности, например в химической, лакокрасочной, микробиологической и в пищевой. Техническим результатом изобретения является расширение области применения и обеспечение бесконтактного неразрушающего контроля плотности в условиях производства. Устройство для измерения плотности жидкости снабжено генератором акустических колебаний, выполненным в виде диафрагмы и размещенным в верхней части формирователя плоской акустической волны, пневматической емкостью, источником постоянного расхода, устройством перемещения, блоком управления, измерителем перемещения. Источник постоянного расхода, генератор акустических колебаний и формирователь плоской акустической волны соединены с пневматической емкостью. Внутри формирователя плоской акустической волны размещен измеритель звукового давления в виде струйного турбулентного усилителя, выход которого подключен к блоку управления устройством перемещения. Устройство перемещения соединено с пневматической емкостью и с измерителем перемещения. 1 з.п. ф-лы, 1 ил.
Patent RU-2133334-C1 (RU)
Title: Method for utilization of surplus brines at potassium enterprises
Inventor: BELKIN V V
IPC: E21B43/18
Filed: 1997-12-16
Granted: 1999-07-20
Abstract: FIELD: oil production industry. SUBSTANCE: method relates to utilization of industrial effluent and can be used for utilization of surplus brines at potassium enterprises. According to method, surplus brines are injected into productive horizons of oil deposits with purpose of maintaining oil bed pressure in process of development of oil deposits. For protection of water conduits and casing pipes in oil wells from corrosion, added to brines are required amounts of corrosion inhibitors. Application of aforesaid method is aimed at reduction of expenses in burying of surplus brines at potassium enterprises together with improvement of ecological situation. EFFECT: higher efficiency.
Patent RU-2136876-C1 (RU)
Inventor: SHAGAEV G KH
IPC: E21B37/00
Filed: 1997-12-23
Granted: 1999-09-10
Abstract: Изобретение относится к области горного дела, а более конкретно - к технике воздействия на пласт с целью вызова притока флюидов. Устройство для свабирования скважин, содержит износостойкие цилиндрические элементы с фасками по торцам. Элементы помещены на общей тяге. Головка служит для соединения тяги с кабелем. Устройство имеет нижний ограничитель. Головка выполнена в виде верхнего ограничителя. Каждый из цилиндрических элементов выполнен с осевым каналом, превышающим диаметр тяги. Элементы свободно помещены на тяге и имеют основания, образующие с тягой угол, отличный от прямого и превышающий угол трения. Основания не параллельны друг другу, параллельны примыкающим основаниям смежных цилиндрических элементов и обеспечивают возможность радиального смещения цилиндрических элементов относительно друг друга. Устройство обеспечивает высокое качество свабирования и повышенный рабочий ресурс. 2 ил.
Patent RU-2136624-C1 (RU)
Inventor: BELOV V V
IPC: C04B28/02
Filed: 1998-01-06
Granted: 1999-09-10
Abstract: Изобретение относится к промышленности строительных материалов и может быть использовано при получении теплоизоляционных бетонов, применяемых для изготовления ограждающих конструкций с высокими теплоизоляционными свойствами. Предлагаемый состав включает в себя торф, опилки, глину, портландцемент и воду при следующем соотношении компонентов, мас.%: торф 12-16, опилки 4-8, глина 17-19, портландцемент 9-10, вода - остальное. Технический результат - упрощение состава и снижение его стоимости за счет максимального использования местного сырья при сохранении достаточных строительно-технических показателей. 1 табл.
Patent RU-2144465-C1 (RU)
Inventor: KISELEV V I
IPC: B29C65/04
Filed: 1998-03-13
Granted: 2000-01-20
Abstract: FIELD: production of applications fulfilling a symbol function, applicable both independently and, for example, as a detail in military, special and other clothes. SUBSTANCE: method includes preliminary adherence of tissue base by polymeric base at heating and under pressure. Application of PVC composition is applied onto the base with the aid of high- frequency currents under pressure. Adherence by polymeric composition is accomplished by high-frequency currents at a die heating temperature up to 125-155 C at a pressure of 500 to 600 kPa directly with the tissue base. Cotton cloth or knitted fabric or cotton cloth in a mixture with synthetic fibres of linen, twill, satin or satinet weave is used as tissue base. Application, 0.2 to 0.5 mm thick, of polymeric thermoplastic composition in the form of polyester, polyamide or polyurethane film is applied at a pressure of the electrode-die within 2000 to 2700 kPa up to the contact with the adherent polymeric composition inside the tissue base. EFFECT: enhanced quality of application due to the increase of controlled penetration and fixing of thermoplastic composition in the tissue structure, increased assortment of applications, simplified preparation of application set. 2 tbl
Patent RU-2145677-C1 (RU)
Title: Gas-liquid mixture pressure feeding device
Inventor: MARTYNOV V N
IPC: F04B23/06
Filed: 1998-03-30
Granted: 2000-02-20
Abstract: FIELD: oil industry; drilling and completing of oil wells. SUBSTANCE: proposed device is designed for pressure feeding of gas-liquid mixture by piston pump. It has piston pump with working cylinder, suction and delivery valves, booster chamber arranged between pump working cylinder and its delivery valve. Booster chamber communicates through inlet valve with tubular collector of gas-liquid mixture or gas. Outlet end of tubular collector provided with inlet valve is located outside booster chamber. Inlet valve communicates with booster chamber space through horizontal channel in wall of booster chamber. Indicated horizontal channel can be furnished with baffle providing jet flow of gas at velocities lower than sound velocity. Longitudinal axis of indicated channel does not coincide with diameter of booster chamber. Inlet valve can be arranged either horizontal or vertically relative to booster chamber. Such design of device decreases bubbling in booster chamber when gas or gas-liquid mixture is delivered into chamber. EFFECT: increased efficiency, improved manufacturability of device, facilitated maintenance and repair. 2 cl, 6 dwg
Patent RU-2139268-C1 (RU)
Title: Method of preparing cellular concrete mix
Inventor: CHERNYKH V F
IPC: C04B38/10
Filed: 1998-04-06
Granted: 1999-10-10
Abstract: FIELD: building materials industry, more particularly manufacture non-autoclave cellular concrete both at factories and building sites. SUBSTANCE: method comprises preparing separately foam and cement solution. In order to prepare cement solution, additive which include part of alkali metal salt that remains after foam formation and salt of weak base and strong acid is introduced. Prior to being mixed with foam, final cement solution is maintained for some time, and after stirring operation, cellular concrete mix is formed. The latter comprises wt %: cement, 32-62; filler, 10-30; filler 0.12-0.60; alkali metal salt, 0.25-0.85; slat of weak base and strong acid, 0.70-1.70; and water, the balance. In order to prepared foam, 1/5-1/20 part of alkali metal salt is added. Cement solution is maintained for 25-80 minutes. Alkali metal salt includes alkali metal salt and sodium or potassium carbonate, and wear base and strong acid salt includes FeSO 4  and/or 8CaSO 4 •0,5H 2 O. EFFECT: higher pore formation rate and greater strength of foam concrete and shrinkage-free cellular mix. 5 cl, 2 tbl
Patent RU-2135551-C1 (RU)
Title: Method of plant raw extraction
Inventor: KOSHEVOJ E P
IPC: C11B1/10
Filed: 1998-04-07
Granted: 1999-08-27
Abstract: FIELD: food and pharmaceutical industries. SUBSTANCE: before extraction plant raw is milled to particles size 0.1-0.2 mm and raw is soaked with the polar solvent at stirring at ratio raw : solvent = (8:1)-(40:1). Then the soaked raw is extracted with the nonpolar solvent - liquid carbon dioxide. Method can be used for production of extracts. EFFECT: increased extraction degree, increased yield of oil. 1 tbl, 3 ex
Patent RU-2137021-C1 (RU)
Inventor: SAUTKIN V P
IPC: F16L58/12
Filed: 1998-06-08
Granted: 1999-09-10
Abstract: FIELD: construction engineering; erection and repair of pipe lines. SUBSTANCE: frame of machine carries device for pouring primer over pipe line, tray for receiving excessive primer, unit for rubbing primer and removing excess of it and tape winding rotor with spool holder. Unit for rubbing primer and removing excess of it is mounted on inner end face of tape winding rotor which is adjacent to pouring device. Tray is provided with chute located under primer rubbing unit for receiving excessive primer. Frame is provided with running wheels for motion of machine over pipe line. After pouring the primer over pipe line, insulating tape is wound on it. EFFECT: reduced losses of primer; avoidance of contamination of soil. 1 dwg
Patent RU-2137563-C1 (RU)
Inventor: TRAJNO A I
IPC: C21D8/06
Filed: 1998-06-16
Granted: 1999-09-20
Abstract: FIELD: metallurgy, namely process for making wire having high strength, ductility and corrosion resistance from spheroidal graphite cast iron. SUBSTANCE: process comprises steps of heating rods from spheroidal graphite cast iron, subjecting them to multiple rotary forging, subsequent multiple drawing and annealing. Rods are heated until 800 C - 900 C. Multiple rotary forging of rods is realized at draft 1.1-1.52. Multiple drawing is performed at draft 1.08-1.45 at temperature 500 C - 700 C. Annealing is performed at 800 C - 1000 C for time period 0.5-36 hours. EFFECT: enhanced strength, ductility and corrosion resistance of wire. 2 cl, 2 tbl, 1 ex
Patent RU-2128273-C1 (RU)
Title: Magnetic cylindrical combination mechanism for tube-key lock
Inventor: AGRANOVSKIJ S N
IPC: E05B47/00
Filed: 1998-06-19
Granted: 1999-03-27
Abstract: FIELD: locks. SUBSTANCE: device has housing and rotation bush which is rigidly connected to central rod which is engaged with lock bolt. Housing and rotation bush are equipped with coaxial radial holes some of which are coaxial cone holes in key. Each hole which is coaxial to a key hole contains ball, which diameter is greater than wall width of rotation bush, and clipper which is located between ball and external surface of housing. Other holes contains two identical balls, which diameter is less than wall width of rotation bush. Central rod carries permanent magnets which are shaped as cylinders. They are mounted on rod so that their faces coincide with adjacent planes in which radial holes are located. EFFECT: decreased size, decreased force for rotation of rotation bush. 3 cl, 3 dwg
Patent RU-2150901-C1 (RU)
Title: Device for operation on skull
Inventor: STARYKH V S
IPC: A61B17/16
Filed: 1998-08-24
Granted: 2000-06-20
Abstract: FIELD: medicine, particularly, neurosurgery and traumatology. SUBSTANCE: device is designed for provision of fixation of transplant in skull defect after trepanation of skull and replacement of defects; it may also be used in veterinary science. The device has two handles intersecting on axle with lock and two branches bent on rib. One branch has depression on working surface, while the other, has through channel at end. Working surface of branch with depression has groove which is communicated with depression and directed from it to branch side surface towards handle. Depth of groove is reduced in this direction. Channel of depression and groove communicating with depression are made for conduction of flexible bent loop of ligature thread guide. EFFECT: exclusion of brain injury in conduction of guide and legatures through bored thin canals in bone near skull defect and associated complications. 4 dwg
Patent RU-2136788-C1 (RU)
Title: Method of coating deposition
Inventor: ATROSHCHENKO EH S
IPC: C25D11/08
Filed: 1998-09-24
Granted: 1999-09-10
Abstract: FIELD: treatment of article surfaces; applicable in mechanical engineering and other industries. SUBSTANCE: method includes deposition of coatings on articles made of aluminum by oxidation in solutions of electrolytes with subsequent heating of articles to temperature of not below 500 C. Oxidation lasting 45-100 min at current density of 25-35 A/sq.dm is carried out in combined electrolyte based on boric acid and potassium hydroxide with content of the latter amounting to 3-5 g/l and boric acid of 20-40 g/l, time of holding article during heating amounts to 100% of oxidation time. EFFECT: higher surface hardness, wear resistance and Young's modulus of articles made of aluminum and its alloys. 1 tbl
Patent RU-2146931-C1 (RU)
Inventor: SHUTENKO T V
IPC: A61K38/43
Filed: 1998-09-24
Granted: 2000-03-27
Abstract: FIELD: medicine. SUBSTANCE: method involves the use of nondirect endolymphatic successive administration of lydazum and immunocorrecting agent into region of regionally located head lymph nodes, 2 times per a week, by course for 10 seances. Method ensures to effect directly on infectious process in lymph nodes and correct immunological reactivity of body. EFFECT: enhanced effectiveness of method, decreased doses of drugs. 5 tbl, 2 ex
Patent RU-2149719-C1 (RU)
Inventor: ESIPOV V D
IPC: B21C3/08
Filed: 1998-11-03
Granted: 2000-05-27
Abstract: FIELD: plastic metal working, namely apparatuses for drawing. SUBSTANCE: double-stand unit includes foundation with struts. Roller holders with non-driven rollers and mechanisms for individual and group-type radial adjustment of rollers are rotatably mounted with mutual inclination angles equal to 120 degrees on said struts. Roller holder is in the form of double-arm lever whose support is jointly mounted in eccentric sleeves. Roller holder is mounted with possibility of additional motion along axis of said joint. Three pairs of mutually parallel flanges with openings for eccentric sleeves are provided in strut of stand and they are inclined one relative to another by 120 degrees. There are rectangular windows between said flanges. Mechanism for radial group-type adjustment of roller includes heavy hollow screw and massive nut engaging with screw. Casing with three jointly secured metallic plates is clearance-fit mounted on nut. Each plate is jointly connected with roller holder. Roller bearing assembly is mounted on sleeve in double-stand unit of three-roller stands. Struts of stands are mutually joined by means of four braces. Lower braces are secured to foundation of double-stand unit. EFFECT: lowered size and mass of double-stand unit, enhanced accuracy of drawn section due to axial adjustment of rollers, elimination of axial clearance in roller set. 4 cl, 7 dwg
Patent RU-2144878-C1 (RU)
Inventor: AGANIN L G
IPC: B62D25/00
Filed: 1998-12-29
Granted: 2000-01-27
Abstract: FIELD: transport engineering; reinforced tailgate of pickup truck. SUBSTANCE: tailgate is connected wit body by means of holding mechanism 6. Tailgate has panel 7 and inner panel 9 interconnected by reinforcement member 8 placed in between. Reinforcement member 8 is essentially intermediate frame structure panel 13 rigidly connected with reinforcement members 14 uniting zones of attachment of hinges 4 located on lower beam 16 of intermediate panel 13 with zones M and N of attachment of lock and holding mechanism 6, respectively, located on side beams of intermediate panel 13. EFFECT: increased strength of tailgate which can used as loading and unloading platform, and as extension for carrying long length loads. 9 cl, 5 dwg