baber/WOPTO huggingface dataset:
Patent RU-2064956-C1 (RU)
Title: Composition for compound
Inventor: CHUVILINA LYUBOV F
IPC: C09K3/10
Filed: 1993-07-01
Granted: 1996-08-10
Abstract: FIELD: electrotechnical industry, sealing. SUBSTANCE: composition has, mas. p. : epoxy diane resin 90-110, and tin-siliconorganic oligomer of the formula Sn{[OSi(CH 3 (C 6 H 5 )] 3 CH 3 } 4  40-60. Composition is used for electrotechnical article sealing. EFFECT: enhanced quality of composition. 2 tbl
Patent RU-2085581-C1 (RU)
Title: Strain of bacterium escherichia coli - a producer of specific dna-probe used for differentiation of toxigenic and nontoxigenic strains of corynebacterium diphtheriae and complementary gene tox a determining synthesis of diphtherin
Inventor: MAZUROVA IZABELLA K
IPC: C12Q1/68
Filed: 1993-09-23
Granted: 1997-07-27
Abstract: FIELD: molecular biology, medicine. SUBSTANCE: invention relates to preparing the strain Escherichia coli C 600 r - m - /pAz219 toxA' - a producer of specific DNA-probe for differentiation of toxigenic and nontoxigenic strains of Corynebacterium diphtheriae. Strain provides high yield of plasmid DNA pAz 219 toxA' that is used for DNA/DNA hybridization as specific probe. Invention can be used for diagnosis of infectious diseases by method of nucleic acid hybridization. EFFECT: isolation of strain indicated above.
Patent RU-2064864-C1 (RU)
Inventor: SKVIRCHAK AZARIJ L
IPC: B43L1/04
Filed: 1993-10-26
Granted: 1996-08-10
Abstract: Использование: при обучении для записи информации с помощью мела. Сущность изобретения: классная доска содержит центральную и боковые панели, по периметру панели окаймлены профилями, причем горизонтальные профили выполнены Н-образной формы с двумя парами продольных выступов для соединения с панелью и фиксации лотка, а вертикальные профили выполнены П-образной формы с парой продольных выступов для соединения с панелями. Панели снабжены держателем бумаги. При эксплуатации доски меловая пыль собирается в лотки. 3 з. п. ф-лы, 5 ил.
Patent RU-2095391-C1 (RU)
Inventor: TRUMAN V SILLING
IPC: C05G3/60
Filed: 1992-05-26
Granted: 1997-11-10
Abstract: Изобретение относится к сельскому хозяйству, к созданию почвенных пестицидных композиций. Композиция для обработки почвы в качестве активного ингредиента содержит обессоливающий агент, в качестве которого выбирают соединение формул:          R 17 [R 18 )PO(OH)] 2-5  III  где R 1  - гидроксил, COOH, C 6 H 4 COOH, NHC(O)R 20 COOH, гидрокифенил, COOR 9 ; SO 3 H; C 6 H 4 SO 3 H; R 20 SO 3 H; COOR 20 SO 3 H; OSO 3 H; C 6 H 4 OSO 3 H; OR 20 SO 3 H; OR 20 OSO 3 H; OP(OH) 2 ; R 9 P(OH) 2 O или фенил; R 2  - водород или COOH; R 3  - водород или C 1 -C 4 -алкил; R 4  - водород или C 1 -C 4 -алкил; R 5  - водород, COOH; C 6 H 4 COOH; NHC(O)R 20 COOH; гидроксифенил, COOR 9 ; C 6 H 4 SO 3 H; R 20 SO 3 H; COOR 20 ; SO 3 H; OR 20 SO 3 H; OSO 3 H; C 6 H 4 OSO 3 H; OR 20 OSO 3 H; OP(OH) 2  R 9 P(OH) 2 O; или фенил, OR 10 , гидроксил или пирролидон; R 6  - водород или COOH; R 7 , R 8  - водород или C 1 -C 4 -алкил; R 9 , R 10  - C 1 -C 4 -алкил; R 11  и R 14  - водород или CH 3 ; R 12  и R 13  - водород; R 15  - водород, гидроксил или C 1 -C 4 -алкил; R 16  - водород или C 1 -C 4 -алкил; R 17  - N; NR 19 N; NR 9 NR 9 N; R 18  - C 1 -C 4 -алкил; R 19  - C 1 -C 6 -алкил; R 20  - C 1 -C 4 -алкилен; R 1  и R 2  вместе - ангидрид; R 5  и R 6  вместе - ангидрид; m и n - независимо 3 - 100; p и q - независимо 0 - 3, а также пестицид или вещество, усиливающее поглощение питательных веществ. Пестицид композиции содержит в качестве активного ингредиента метилдитиокарбамат натрия. Композиция дополнительно содержит поверхностно-активное вещество триэтаноламинододецилбензосульфонат. Композиция, содержащая приблизительно 23,3% раствора полималеиновой кислоты, около 13,3% триэтаноламинододецилбензосульфоната и около 63,4% воды. Композиция, где вещество, усиливающее поглощение питательных веществ, выбирают из группы, NPK = 10-34-0. Композиция, где указанное вещество, усиливающее поглощение питательных веществ, содержит азот и фосфор в соотношении (3-4):1. Композиция содержит обессоливающее вещество и вещество, усиливающее поглощение питательных веществ в соотношении 1:(216-720). 6 з.п.ф-лы, 2 табл.
Patent RU-2047432-C1 (RU)
Title: Device for light-beam brazing
Inventor: OPARIN MIKHAIL I
IPC: B23K1/005
Filed: 1994-01-04
Granted: 1995-11-10
Abstract: FIELD: IR-radiation brazing. SUBSTANCE: device for light-beam brazing has reflector, gas-discharge lamp, protecting screen and contrivance for feeding coolant. There is washer in the device, provided with beads for forming slit nozzle. There is a conical holder for protecting screen, which holder is mounted inside the washer in a space relation to beads of the washer for forming annular channel. Holes are made in the holder. Total area of the holes does not excess over cross-section area of annular channel. Device may also be used when heating items for welding and thermal processing. EFFECT: improved efficiency of operation; improved safety. 1 dwg
Patent RU-2123278-C1 (RU)
Inventor: SAVINA L A
IPC: A61B5/02
Filed: 1994-01-06
Granted: 1998-12-20
Abstract: Способ предназначен для критериальной оценки внутрисердечной гемодинамики и может быть использован в терапии, кардиологии и прикладной физиологии. Выделены типологические особенности организации хронокардиологической функции сердца с количественными показателями эу-, гипо- и гиперкинетического типа. Уточнены показатели оптимума организации ритмо-, хроно- и инотропной деятельности сердца, что дает возможность коррекции здоровья конкретного человека с физиологической оценкой работы сердца и организма в целом. 3 з.п. ф-лы, 7 ил.
Patent RU-2059318-C1 (RU)
Title: Hybrid-type dot-screen color tube and planar optoelectronic system for simultaneous display of character-and-graphic and television information
Inventor: POLIVIN SERGEJ N
IPC: H01J9/22
Filed: 1994-03-09
Granted: 1996-04-27
Abstract: FIELD: electronic engineering. SUBSTANCE: hole diameter d 1  in tube mask is chosen relative to its thickness t between 0,52≅ d 1 /t≅ 2,4; pitch of hole A м  in mask is interrelated with d 1  through relationship 0,95≅ A м /d 1 ≅ 5,3, and relation between distance g from mask to screen and pitch A м  is chosen between 9,6≅ q/ A м ≅ 62. Black matrix is applied to screen in which hole diameter d 2  relative to phosphor-dot diameter d 3  of main colors is chosen between 0,73≅ d 2 /d 3 ≅ 0,91,a; diameter d 3  of phosphor dots is interrelated with hole diameter d 1  in mask through relation relationship 0,82≅ d 3 /d 1 ≅ 0,93. EFFECT: improved bridgtness at high resolution and contrast, as well as color pyrity and stability. 3 cl, 1 tbl
Patent RU-2093930-C1 (RU)
Title: Metal-air chemical current supply
Inventor: TUMANOV VLADIMIR L
IPC: H01M12/06
Filed: 1994-03-10
Granted: 1997-10-20
Abstract: FIELD: off-line, emergency, and portable power supplies for vehicles. SUBSTANCE: metal-air current supply has consumable anode, gaseous-diffusion cathode, and aqueous electrolyte of following composition, mass percent: alcohol - 5-20; ionogenic substance - 5-25, water - the rest. Sodium chloride of 5-15 mass percent content of alkali metal hydroxide of 10-25 mass percent content may be used as ionogenic substance. EFFECT: improved design. 2 cl, 1 dwg
Patent RU-2059645-C1 (RU)
Inventor: NIZAMOV ILYAS SAIDOVICH
IPC: C07F9/40
Filed: 1994-03-05
Granted: 1996-05-10
Abstract: Использование: в химии фосфорорганических соединений. Сущность: получение S-трифенилгермиловых эфиров линейных диалкилдитио- и тетратиофосфорных кислот ф-лы I (RX) 2 P(S)GePh 3 , где R - низший алкил; X-O, S, ведут реакцией тетрафосфордекасульфида с трифенил(изобутилтио)германами ф-лы RXGePh 3 , где R и X - указано выше, при 20 - 80 o С с последующим выделением целевых продуктов известными приемами (экстракция, перегонка).
Patent RU-2093040-C1 (RU)
Title: Food product from protein- and carbohydrate-containing raw material of aqueous origin and method for its production
Inventor: BESEDINA TAMARA V
IPC: A23L17/50
Filed: 1994-03-14
Granted: 1997-10-20
Abstract: FIELD: food industry. SUBSTANCE: product is received by hydrolysis of squid gonads and has the following characteristics: content of dry substances, 30-36 mas.%; pH, to 5.0-6.0; content of ammine nitrogen, 0.85-1.2 mas. %; salt, in amount 15-16% from total mass of product. Method includes hydrolysis of squid gonads up to 1.2-1.5 mas.% of ammine nitrogen, neutralization up to 5.0-6.0 pH, boiling down up to 30-36 mas.% of dry substances, ageing not less 5 days, and deposit separation. EFFECT: new taste of product. 5 cl, 2 tbl
Patent RU-2079534-C1 (RU)
Title: Gluing composition for sticking enamel wires
Inventor: CHEBOTAREVA NINA A
IPC: C09J177/02
Filed: 1994-04-21
Granted: 1997-05-20
Abstract: FIELD: gluing compositions. SUBSTANCE: gluing composition has 10-14 wt. -% polyamide at m. p. 130-160 C and viscosity number 130-150 cm 3 /g that is polycondensation product of 30-50 wt.-% of E-caprolactam, 20-50 wt.-% of adipic acid salt and hexamethylenediamine and 20-30 wt.-% of sebacic acid salt and hexamethylenediamine; 0.6-0.7 wt.-% alcohol-soluble dye and mixture of solvents: 43-45 wt.-% tricresol, 21.3-22.4 wt.-% methylcellosolve, 21-22 wt.-% ethyl alcohol. Properties: gluing coating thickness is 0.025-0.030 mm, gluing strength at 20 C is 2.7H, at 100 C - 2.2H, temperature of reverse softening is 125-140 C at loading 0.8H, resistance at 100% moisture - above 10 days; composition endures adhesion to isolation at relative elongation 23%. EFFECT: enhanced quality of composition. 2 tbl
Patent RU-2092240-C1 (RU)
Inventor: ROSTANIN NIKOLAJ N
IPC: B01J29/40
Filed: 1994-05-26
Granted: 1997-10-10
Abstract: FIELD: catalysts for petrochemical syntheses. SUBSTANCE: catalyst contains zeolite of pentasil type with silica to alumina molar ratio (20- 80): 100 with residual content of sodium oxide 0.1-0.4 wt % and following component contents (in wt %): zeolite, 25.0-50.0; zinc, 1.0- 3.0; rare-earth element oxides in sum, 0.1-2.0; binding component, the balance. Rare-earth element oxide component, in turn, is composed of 40-55% cerium oxide and 60-45% La 2 O 3 , Pr 2 O 3 , Nd 2 O 3  in sum. EFFECT: increased yield of aromatic hydrocarbons. 3 tbl
Patent RU-2085138-C1 (RU)
Title: Method for operative treatment of congenital club foot in children of preschool and early school age
Inventor: BATALOV OLEG A
IPC: A61B17/56
Filed: 1994-06-23
Granted: 1997-07-27
Abstract: FIELD: medicine; orthopedics. SUBSTANCE: orthopedist must dissect ligaments along outer and inner surfaces of ankle joint, dissect ankle joint capsule along its entire circumference, immobilize distal portion of peroneal bone, and normalize position of heel bone and ankle bone. Next tendon of long flexing muscle of 1st finger is cut off and transferred onto outer surface of lower third of shin. In this position same cut tendon is stretched and attached in this tensioned condition to tendon of musculus peroneus longus. Two wire rods are passed through heel bone, one of which is passed outwards to penetrate inwards through superior- posterior margin of calcanean tuber, while other wire rod extends through inferior margin of anterior portion of heel bone. Wire rods are fixed in semicircle of Ilizarov apparatus. Cuboid bone body is subjected to resection in wedge-like manner from incision made on outer surface of foot. Wound is sutured and Ilizarov apparatus is applied onto foot and shin in order to eliminate remaining elements of congenital foot deformity. EFFECT: shorter treatment time; foot form and function restored; any relapse cases ruled out.
Patent RU-2074012-C1 (RU)
Title: Device for automatic supply and filtration of liquid
Inventor: RATNIKOV VIKTOR I
IPC: B01D29/60
Filed: 1994-08-18
Granted: 1997-02-27
Abstract: FIELD: liquid supply and filtration. SUBSTANCE: device has filter installed in intake hose, airtight vessel with suction branch pipes connected by means of pipelines with ejector and air distributor made in the form of body with holes for communication with atmosphere, airtight vessel and with the help of pipeline with compressed air main line. Air distributor has cylindrical and conical cavity in which reciprocating rod is installed whose upper part is conical and lower part is below lower edge of suction branch pipes with rod in the lower position. EFFECT: higher efficiency. 1 dwg
Patent RU-2117699-C1 (RU)
Inventor: BULYCHEVA MARGARITA STEPANOVNA
IPC: C12P1/06
Filed: 1994-09-02
Granted: 1998-08-20
Abstract: Извлечение антибиотиков из культуральной жидкости или нативного раствора проводят при скоростях потока через сорбент не менее чем 120 мл/г-ч. Жидкость и сорбент приводят в колебательное движение с интенсивностью пульсации не менее 400 мм/мин. Извлечение проводят с помощью устройства, содержащего сорбционный колонный аппарат с расширительной зоной в верхней части, узел приготовления и транспортировки культуральной жидкости или нативного раствора. Колонна по высоте цилиндрической части снабжена распределительными насадками. Нижняя зона колонного аппарата снабжена пульскамерой и аэрлифтом, соединенными с колонной по принципу сообщающихся сосудов. Использование изобретения позволяет повысить производительность процесса. 2 с.п.ф-лы, 1 ил.
Patent RU-2086428-C1 (RU)
Title: Vehicle drive axle
Inventor: KULESHOV VITALIJ V
IPC: F16D41/00
Filed: 1994-09-22
Granted: 1997-08-10
Abstract: FIELD: mechanical engineering; self-locking drive of vehicle wheels. SUBSTANCE: planet pinions and herringbone wheels shifted into meshing have different angles of tilting of teeth which provides self braking effect. To limit overrunning of wheels and realize engine braking, planet pinions are mechanically coupled with axle housing. EFFECT: enlarged operating capabilities. 4 cl, 4 dwg
Patent RU-2099083-C1 (RU)
Inventor: ESEPENOK VIKTOR A
IPC: A61K39/102
Filed: 1994-09-30
Granted: 1997-12-20
Abstract: FIELD: veterinary microbiology, biotechnology. SUBSTANCE: method involves the separate culturing strains Str. zooepidemicus VGNKI N K-DEP, P. multocida VGNKI N 6011, 2394, 1015. The grown cultures of streptococci and pasteurellae were combined at ratio 1:1, subjected for freezing-thawing, liquid fractions were inactivated with 0.3-0.4% formalin solution. After inactivation time and control over the growth purity adjuvant (3% solution of aluminium hydroxide) is added to bacterial mass as measured 15% to culture volume. The second adjuvant (saponine) is added as measured 100 mg/1 l biomass. Adjuvants were added at continuous shaking. The obtained saponine-formol-aluminium hydroxide vaccine provides the immunity formation in 3-5 days after vaccination that is retained for 12 months, not less. Epizootic effectiveness of vaccine is 95% and above of all vaccinated animals. EFFECT: improved method of preparing, enhanced effectiveness of vaccine. 1 tbl
Patent RU-2120348-C1 (RU)
Title: Casting roll for continuous casting plant
Inventor: P ER DELASSJU
IPC: B22D15/02
Filed: 1994-10-26
Granted: 1998-10-20
Abstract: FIELD: metal continuous casting on one roll or in space between two rolls for manufacturing thin metallic belt. SUBSTANCE: casting roll includes arranged coaxially sleeve and jacket, means for joining sleeve with jacket in axial and peripheral directions and also means for supporting and centering jacket onto sleeve in radial direction. Axial joining means are realized due to axial rest of jacket upon sleeve strictly in mean plane of roll along it. Centering means are in the form of elastic cone member arranged between jacket and sleeve only near edge. EFFECT: material economy, simplified working at manufacturing due to use of low-cost and easily changeable parts of roll jackets. 13 cl, 5 dwg
Patent RU-2085199-C1 (RU)
Title: Method of preparing the honey-base agent used for recovery and stimulation of immune system
Inventor: SAVIN VYACHESLAV N
IPC: A61K35/64
Filed: 1994-11-01
Granted: 1997-07-27
Abstract: FIELD: medicine, pharmacology. SUBSTANCE: method involves feeding the following mass to bees that has, kg per 100 kg monoflower honey from white acacia flowers: bee mother milk 1-5; bee hemolymph extract 1-10; drone bee testicles 0.1-0.2, and white acacia sap, vetch, alfalfa, marjoram and thyme by 1-10 kg. Mass is stirred thoroughly and fed to bees and the obtained honey is used as ready production. Time storage of product - 5 years. Proposed agent can be used in oncology. Agent improves activity of hemopoietic system, sexual activity and gastroenteric tract activity. EFFECT: improved method of preparing, enhanced effectiveness of agent.
Patent RU-2076533-C1 (RU)
Title: Способ валки заготовки валяной обуви
IPC: D04H1/08
Filed: 1994-11-08
Granted: 1997-03-27
Abstract: 1. Способ валки заготовки валяной обуви, заключающийся в поэтапном уплотнении заготовки в рабочей среде, имеющей заданную температуру при одновременном механическом ударном воздействии на заготовку с последующей расправкой ее после каждого этапа уплотнения, отличающийся тем, что в качестве рабочей среды используют воду, температуру которой изменяют от этапа к этапу от 30-35С на первом этапе до 55-60С на последнем этапе с охлаждением заготовки после каждого этапа.2. Способ по п.1, отличающийся тем, что при необходимости этапы валки повторяют до получения заданной плотности.
Patent RU-2080408-C1 (RU)
Title: Iron-base powdery material
Inventor: BELIK ANDREJ I
IPC: C22C33/02
Filed: 1995-01-31
Granted: 1997-05-27
Abstract: FIELD: powdery metallurgy. SUBSTANCE: iron-base powdery material has hardening addition that consists of carbide-boron composition powder synthesized from chromite at the following ratio of components, %: chrome 2.2-2.6; carbon 0.1-0.2; boron 0.3-0.45; silicon 0.3-0.45; nickel 11.0-11.5; carbide-boron composition powder synthesized from chromite 2-8, and iron - the rest. Material is used at increased working temperature. EFFECT: enhanced quality of material. 1 tbl
Patent RU-2097398-C1 (RU)
IPC: C09C1/48
Filed: 1995-02-02
Granted: 1997-11-27
Abstract: FIELD: carbon black production. SUBSTANCE: carbon black for polymer compositions consists of aggregates of coalesced 110-600   carbon particles with coalescence rate ranged from 0.005 to 0.025. Method of preparing carbon black includes: burning up fuel with air in combustion chamber; constricting combustion product flow in convergent tube of mixing nozzle with gradient of flow constriction rate ranged from 0.5 to 3.0 m/s mm; expanding combustion product flow with rate gradient 0.15 to 0.4 m/s mm in diffuser of mixing nozzle; introducing carbon-containing raw material into the flow; primarily hardening carbon black-gas products 0.006-0.009 s later with 0.6-1 kg of water per 1 kg of raw material followed by finally cooling products. Reactor contains consecutively and coaxially installed combustion chamber with means to burn up fuel with air; mixing nozzle in the form of divergent-convergent tube with convergent part parameters: length (0.5-2)D and angle of restriction toward longitudinal axis 25 to 63 deg.; divergent (diffuser) part parameters: length (1.5-4)D and angle of expansion toward longitudinal axis 7 to 13 deg. , where D is diameter of nick. Reactor further has reaction chamber where water injectors are installed at distance from raw material introduction point equal to (9-14)D; hardening nozzles; and carbon black discharge unit. EFFECT: improved strength characteristics of polymer compositions and increased coloring capacity of carbon black. 3 cl, 1 dwg, 4 tbl
Patent RU-2085482-C1 (RU)
Title: Method of preparing high-purity tellurium
Inventor: ANANICHEV VLADIMIR A
IPC: C01B19/02
Filed: 1995-04-24
Granted: 1997-07-27
Abstract: FIELD: nonferrous metallurgy. SUBSTANCE: process is carried out in two communicating vessels. Tellurium-containing alloy Te 1-x Cl x  where x = 0.40-0.66 is placed into one vessel, whereupon the two vessels are sealed. Alloy is heated to 425-450 C. After tellurium is separated in the first vessel, in the second vessel, admixtures contained in liquid phase are condensed. EFFECT: improved procedure. 1 dwg, 1 tbl
Patent RU-2080271-C1 (RU)
Title: Method of delivery of water obtained from icebergs
Inventor: KALKO IVAN P
IPC: B63B25/00
Filed: 1995-06-29
Granted: 1997-05-27
Abstract: FIELD: sea transport; preparation and transportation of ice from icebergs. SUBSTANCE: ice is ground and is loaded in ship's tanks by means of shipboard recovery device. In course of transportation of ice, it is thawed by means of tubes of heat exchangers and thawed water is fed to consumers. EFFECT: enhanced efficiency.
Patent RU-2127931-C1 (RU)
Title: Electrochemical transducer system
Inventor: MAJKL S KHSU
IPC: H01M8/24
Filed: 1993-11-24
Granted: 1999-03-20
Abstract: FIELD: high- temperature electrochemical transducers. SUBSTANCE: transducer provides for regenerative heating of its chemical agents to working temperature using outlet flow for the purpose. Flow integration facilities convey heat from electrochemical transducer assembly to using power unit which ensures flexible and effective design. When unit operates as fuel element, for example, it facilitates recovery of waste heat of fuel element chemical agents for combining it with thermodynamic using equipment, such as gas or steam turbine. Heat flow integration provides for radiant energy transmission between external surface of transducer assembly and heat-exchanger assembly incorporating working medium of heat absorber or heat source; use is also made of regenerative process in which exit flow heats up inlet chemical agents to transducer working temperature. EFFECT: improved efficiency of temperature control in electrochemical transducer systems. 17 cl, 10 dwg
Patent RU-2098900-C1 (RU)
Title: Gas laser
Inventor: CHURBAKOV SERGEJ V
IPC: H01S3/097
Filed: 1995-08-17
Granted: 1997-12-10
Abstract: FIELD: laser engineering. SUBSTANCE: laser has T-shaped gas-dynamic circuit; characteristic time of working gas circulation in gas-dynamic circuit is shorter than characteristic relaxation time of working molecular excitation energy of laser, such as CO-laser, thereby reducing power requirement within gas discharge volume and providing for up to two-fold increase in efficiency. EFFECT: simplified and space-saving design of laser, reduced power requirement, and improved efficiency. 1 dwg
Patent RU-2097296-C1 (RU)
Inventor: TKACHENKO EDUARD ANATOLEVICH
IPC: B65G39/09
Filed: 1995-11-01
Granted: 1997-11-27
Abstract: FIELD: mechanical engineering; material handling facilities. SUBSTANCE: roller of belt conveyor has tube, axle, antifriction bearing secured by outer races in casings installed in tube and mated through inner races with axle, and bearing seals. Mating of inner race of antifriction bearing with axle is made through combination resilient sliding bearing with thrust flange including support sliding races of wear resistant polymeric material installed in bushing-matrix of resilient polymeric material. EFFECT: enlarged operating capabilities. 3 cl, 1 dwg
Patent RU-2087247-C1 (RU)
Inventor: GANKIN VLADIMIR B
IPC: B22D11/04
Filed: 1995-12-18
Granted: 1997-08-20
Abstract: Использование: область металлургии, точнее непрерывное литье металлов. Сущность изобретения: кристаллизатор выполнен в виде квадратной или прямоугольной трубы, внутренние стенки которой в верхней центральной части выполнены выпуклыми и плоскими с углов, при этом выпуклость образована двумя симметрично расположенными ветвями синусоиды с точками перегиба, которые расположены на расстоянии 1/4 ширины выпуклой части стороны. Амплитуда составляет 0,0075-0,012 ширины внутренней стенки в верхней ее части, а ширина выпуклой части стенки составляет 60-125 амплитуд синусоиды. Высота выпуклого участка составляет 150-250 амплитуд синусоиды. Величина амплитуды выпуклой части в перпендикулярных технологической оси сечениях плавно убывает в направлении от верхнего торца кристаллизатора к переходу выпуклой части стенок в плоские. 4 ил.