baber/WOPTO huggingface dataset:
Patent RU-2029390-C1 (RU)
Title: Device for erasing data in printed circuits of re-programmed on-line memories by means of uv radiation
Inventor: SELIGEJ ALEKSANDR MINOVICH
IPC: G11C5/00
Filed: 1990-03-14
Granted: 1995-02-20
Abstract: FIELD: computer technology. SUBSTANCE: unit for loading disk is made in form of rotatable drum provided with removable cassettes; the unit is aligned with UV radiation source. Removable cassettes are disposed along the generating lines of its surface. Moreover, cassettes for mounting printed circuits are made in form of hollow thin-wall profiles which correspond to cross-section of the printed circuits and have slots at the side where entrance windows of the printed circuits are disposed. EFFECT: improved efficiency; improved convenience. 1 dwg
Patent RU-2071062-C1 (RU)
Inventor: KIMELBLAT VLADIMIR IOSIFOVICH
IPC: G01R13/20
Filed: 1991-05-31
Granted: 1996-12-27
Abstract: FIELD: radiometric devices. SUBSTANCE: oscillograph has voltmeter 5, deflection unit 1, cathode-ray tube 2, sweep unit 3, stroboscopic converter 7, delay line 8, synchronizing unit 4 whose input is connected with synchronization busbar, and output of synchronizing unit 4 is connected with inputs of delay line 8 and sweep unit 3. The first and second inputs of stroboscopic converter 7 are connected with outputs of delay line 8 and deflection unit 1, respectively. Input of deflection unit 1 is connected with busbar of measured signal. Novelty in the oscillograph consists in availability of integrator 6 whose input is connected with output of stroboscopic converter 7. Output of integrator 6 is connected with input of voltmeter 5 and with the second input of deflection unit 1. In this case, outputs of sweep unit 3 and deflection unit 1 are connected with the first and second inputs of cathode-ray tube 2. EFFECT: higher accuracy and simplified measurement procedure. 4 dwg
Patent RU-2011232-C1 (RU)
Title: Device for displaying information on ac gas discharge indicator panel
Inventor: BARANOV ROBERT P
IPC: G09G3/28
Filed: 1990-06-29
Granted: 1994-04-15
Abstract: FIELD: automatics and computer engineering. SUBSTANCE: device has a gas discharge display panel, switches of first and second groups, two generators of discharge voltage of frame electrodes, generator of pulses for maintaining discharge, voltage regulator, synchronizer. EFFECT: improved quality. 3 cl, 2 dwg
Patent RU-2040930-C1 (RU)
Title: Method for treating the cases of disturbed cardiac rhythm
Inventor: SYUKREVA SVETLANA G
IPC: A61P9/00
Filed: 1990-10-31
Granted: 1995-08-09
Abstract: FIELD: medicine. SUBSTANCE: method involves determining glutathione peroxidase, superoxide dismutase and malonic aldehyde indexes and administering Voskresensky capsules at a dose of one capsule 2-3 times a day and riboflavin at a dose of 5 mg 2-3 times daily within 14-21 days, if glutathione peroxidase and malonic aldehyde indexes increase and superoxide dismutase index falls. EFFECT: enhanced effectiveness in treating cardiac rhythm disorder in children. 1 tbl
Patent RU-2038105-C1 (RU)
Title: Device for exposing liquid to ultraviolet radiation in continuous flow system
Inventor: BASHKIROV ALEKSEJ B
IPC: A61N5/06
Filed: 1991-02-11
Granted: 1995-06-27
Abstract: FIELD: medical engineering. SUBSTANCE: device has a unit for forced diversion of liquid with hoses, a reservoir transparent with respect to ultraviolet rays provided with olives having inlet and outlet openings, and power supply source located outside of the reservoir. The reservoir has a cross-section with maximum area exceeding the cross- section areas of inlet and outlet opening making clearance between reservoir surfaces and the surface of the flowing liquid. The power supply source is mounted near the reservoir on the side where the clearance is formed. Closed free space filled with air is formed inside of the reservoir at the time the liquid flows through it. EFFECT: improved functional capabilities for transferring blood and other biological liquids from one vessel into another after their being irradiated with ultraviolet rays. 5 dwg
Patent RU-2028632-C1 (RU)
Title: Device for selective check-up insulation resistance and capacitance
Inventor: KITAEV ALEKSANDR M
IPC: G01R27/18
Filed: 1991-02-28
Granted: 1995-02-09
Abstract: FIELD: electric measurement technology. SUBSTANCE: device has noncommercial-frequency current source, zero-sequence voltage filter, current sensor, switch, band filters, amplifiers, rectifier, low-frequency filter, indicators, two phase-sensing elements, phase shifter, vector-sum modulo calculating unit, double-threshold switch, and warning unit. EFFECT: improved reliability of device. 2 cl, 1 dwg
Patent RU-2003222-C1 (RU)
Inventor: LISENKOV BORIS N
IPC: H03K4/50
Filed: 1991-03-11
Granted: 1993-11-15
Abstract: Сущность изобретени - генератор пилообразного  напр жени  содержит два генератора посто нного  тока t. 6, накопительный конденсатор 2, бипол рный  транзистор 3. переключатель тока 4, источник  опорного уровн  5. 2 ип.
Patent RU-2005886-C1 (RU)
Title: Способ работы пневмодвигателя казанцева
Inventor: KAZANTSEV VIKTOR A
IPC: F01B17/02
Filed: 1991-04-29
Granted: 1994-01-15
Abstract: Сущность изобретения: рабочую среду подают в штоковую камеру пневмодвигателя. Отработанный газ выпускают в атмосферу из поршневой камеры. Во время хода поршня в сторону штоковой камеры ее соединяют с поршневой. После завершения рабочего хода поршня подачу газа в пневмодвигатель прекращают. Сообщают штоковую камеру с поршневой на время завершения рабочего хода поршня в сторону штоковой камеры. Затем поршневую камеру сообщают с атмосферой и перекрывают канал, соединяющий камеры. Затем возобновляют подачу газа из ресивера в штоковую камеру. 2 ил.
Patent RU-2022049-C1 (RU)
Inventor: DAUNIS MIKOLAS A
IPC: C22C38/46
Filed: 1991-05-12
Granted: 1994-10-30
Abstract: Изобретение относится к области металлургии, в частности к стали для корпусных элементов энергетических реакторов типа ВВЭР и сосудов давления. Цель изобретения - создание конструкционной стали, обладающей высоким сопротивлением усталостному и хрупкому разрушению, что обеспечивает повышение эксплуатационной надежности и ресурса работы корпусных элементов и узлов реакторного энергетического оборудования. Сталь дополнительно содержит магний при следующем соотношении компонентов, мас.%: углерол 0,13 - 0,18, кремний 0,17 - 0,37, марганец 0,30 - 0,60, хром 1,8 - 2,3, никель 1,0 - 1,5, молибден 0,5 - 0,7, ванадий 0,10 - 0,12, медь 0,05- 0,3, сера 0,005 - 0,02, фосфор 0,005 - 0,02, магний 0,001 - 0,005, железо - остальное. Суммарное содержание марганца, никеля и меди не должно превышать 1,9. 2 табл.
Patent RU-2014362-C1 (RU)
Title: Method for production of massecuite
Inventor: SLAVYANSKIJ ANATOLIJ A
IPC: C13B30/02
Filed: 1991-05-14
Granted: 1994-06-15
Abstract: FIELD: sugar industry; massecuite production. SUBSTANCE: method includes steps of thickening sugar-containing solution in a vacuum apparatus; seeding of crystals; growing of crystals to produce a crystal base; separating a part of the latter and delivering it to another vacuum apparatus; subsequent growing of crystals in the vacuum apparatus; and final thickening of massecuites. The crystal growing in the vacuum apparatuses is effected by maintaining the crystal concentration in the massecuite at 30-35%. The final thickening in each apparatus is effected in two stages. The first stage is carried out at pressure of 650-670 mm Hg until the dry substances concentration reaches 89-91%. The second stage is carried out at pressure of 600-615 mm Hg until the dry substances concentration reaches the desired value. EFFECT: increased efficiency of the process. 1 tbl
Patent RU-2016821-C1 (RU)
Inventor: AFLYATUNOV ZHAVDAT Z
IPC: B65D88/64
Filed: 1991-05-15
Granted: 1994-07-30
Abstract: FIELD: storage and handling of loose materials. SUBSTANCE: device has metal sheet suspended on resilient members, and vibrator located in support. Sheet has port symmetrical with its axis, whereas support is suspended on horizontal hinge extending along upper side of port. EFFECT: more efficient operation. 2 dwg
Patent RU-2037673-C1 (RU)
Title: Source of the liquid high pressure
Inventor: MAKAROV ANATOLIJ P
IPC: F15B3/00
Filed: 1991-06-10
Granted: 1995-06-19
Abstract: FIELD: hydraulic equipment. SUBSTANCE: driving cavity of each metering pump behind the plunger is equipped with a spring-loaded rod of piston mounted on its housing outside and coming into contact with the piston at the end of the working stroke. The other end of each spring-loaded rod of piston is equipped with the screen of the contactless pickup, with each of them being attached to the housing of its metering pump. Each two of three liquid-pressure pickups are switched on to the driving cavity. The third one is mounted between the no-return valves and the low-pressure pump connected with the working cavities of the metering pumps through the no-return valves. The working cavities are connected with the user through pressure valves. The valve lowering the pressure is connected to one output channel of the middle-pressure pump. The valve output is connected to distributors having electromagnetic control. The distributors operate the cut-off valves with normally open channels connected with the discharge valve of each metering pump and the output channels of the surge tanks. The input channel of each tank is connected to the corresponding output channel of the middle-pressure pump. The cut-off valves are communicated with the tank of the middle-value pump. EFFECT: facilitated manufacture. 4 dwg
Patent RU-2019014-C1 (RU)
Inventor: SHUSHKOV SERGEJ V
IPC: H01S3/038
Filed: 1991-06-10
Granted: 1994-08-30
Abstract: Сущность изобретения: электрод газового лазера содержит изолятор на поверхности токоподводящего участка, а также металлический экран, закрепленный на изоляторе с возможностью поступательно-возвратного перемещения. Экран имеет контакт с поверхностью электрода по краю эмитирующего участка. Между изолятором и экраном дополнительно установлена металлическая втулка в упор вдоль оси электрода. 2 ил.
Patent RU-2046734-C1 (RU)
Title: Soft aerostat
Inventor: KEROV VLADIMIR G
IPC: B64B1/40
Filed: 1991-06-13
Granted: 1995-10-27
Abstract: FIELD: aerostation. SUBSTANCE: soft aerostat has balloon 1 and basket 5 with lines 4. Inner balloon 2 is located inside balloon 1 and is connected with it by means of connectors 3. Check valve 8 is fitted between connectors 3 in each section on envelope of inner balloon 2. EFFECT: high safety of flights and simplified construction of aerostat. 1 dwg
Patent RU-2030917-C1 (RU)
Title: Vaccine for plague, infection hepatitis, adenoviral infections and parvoviral enteritis prophylaxis in dogs, and a method of prophylaxis of plague, infection hepatitis, adenoviral infections and parvoviral enteritis in dogs
Inventor: ULASOV VALENTIN I
IPC: A61K39/295
Filed: 1991-06-28
Granted: 1995-03-20
Abstract: FIELD: veterinary virology. SUBSTANCE: vaccine contains inactivated viral suspension of canine adenovirus 2 serotype "Ada" strain with infection activity titer 10 4,5 -10 5,0 ТЦД 50/cm 3, inactivated viral suspension of feline pandeicopenia "Hannibal" strain with infection activity titer 10 4,0 -10 5,0 ИД 50/cm 3 and hemagglutinating activity 1:64-256 ГАЕ/ cm 3, viral material of strain ЭПМ with infection activity titer 10 3,0 -10 4,0 ТЦД 50/0,5cm 3, aluminium hydroxide, sorbitol-gelatinous stabilizing agent, distilled water and Henx solution. Formalin is used for viruses inactivation, and sodium metabisulfate is used for their neutralization. Preparation is administrated to dogs by intracutaneous or intramuscular injections once, and to puppies - twofold with interval 7-10 days at the dose 1-2 cm 3 . EFFECT: increased effectiveness of vaccine. 3 cl, 3 tbl
Patent RU-2028499-C1 (RU)
Title: Method of diagnosing piston internal combustion engine
Inventor: KARMINSKIJ VALERIJ D
IPC: G01M15/00
Filed: 1991-06-06
Granted: 1995-02-09
Abstract: FIELD: engine engineering. SUBSTANCE: fuel supply to cylinder is cut-off, intake manifold is sealed, engine is operated from external source, definite speed and heat regime is maintained, source of compressed air is connected to the intake manifold through a control member. Comparing index is measured and one compares it with a reference one which have been obtained for a reference engine at the same speed and heat regimes. The intake manifold is sealed additionally, gas pressure in the intake manifold is measured, a given pressure is maintained in the intake manifold by changing rate of flow from the compressed gas source. The pressure corresponds to the pressure of the reference engine. The rate of flow from the compressed gas source is used as the comparing index. EFFECT: simplified method. 3 cl, 1 dwg
Patent RU-2000767-C1 (RU)
Inventor: KIM OTVOIN A
IPC: A63B7/02
Filed: 1991-07-10
Granted: 1993-10-15
Abstract: Использование в медицине, дл  создани  физических  нагрузок на организм человека при диагностических  исследовани х, восстановительном печении  и тренировках Сущность тренажер содержит  закрепленную на несущей конструкции 2 канатную  подвеску, например, из двух канатов 1 с  элементами дл  захвата и свободно установленный  на фундаменте 4 упор 5 с регулируемой по высоте  опорной поверхностью 6 Опорна  поверхность 6 упора 5 выполнена параллепьной поверхности фундамента  4. а длина канатной подвески выбрана из  услови  ,1-16 при h  5,0 - 2.0 м. где L -  длина канатной подвески; h - кратчайшее рассто ние  от места закреплени  на несущей конструкции  2 канатной подвески до фундамента 4 Тренажер  может быть также снабжен блоком 7 контрольно-  измерительной аппаратуры, включающим задатчик  ритма, прибор времени, реле времени, регул тор  ритма и автоматический ручной выключатель ЈРОХ  7 используетс  дл  контрол  за степенью нагрузки  занимающегос  на тренажере человека Предлагаемый  тренажер имеет р д модификаций и вариантов  выполнени  7 ил
Patent RU-2041994-C1 (RU)
Title: Method of preparing nonwoven filtering material from polymer melt
Inventor: ALFEROV MIKHAIL YA
IPC: D04H3/16
Filed: 1991-08-29
Granted: 1995-08-20
Abstract: FIELD: chemical industry. SUBSTANCE: method involves polymer extrusion through the cone spinneret, then thread of twisted air flow jet which is twisted preliminary in cone chamber under pressure exceeding pressure out of chamber by 1.2-1.9-fold, oriented in the space as rings which are put in layers on the receptacle surface with reciprocation motion possibility. EFFECT: enhanced effectiveness of forming. 2 cl, 1 dwg
Patent RU-2050353-C1 (RU)
Title: Method of synthesis of 1-(3-alkoxy-2- carbamoylhydroxypropyl) -(1h,3h,5h) -pyrimidine- 2,4,6-trione and derivatives of (1h,3h,5h)- pyrimidine-2,4,6- trione
Inventor: BERNAR ZIGFRID
IPC: C07F9/24
Filed: 1991-02-05
Granted: 1995-12-20
Abstract: PCT No. PCT/EP91/00253 Sec. 371 Date Oct. 30, 1991 Sec. 102(e) Date Oct. 30, 1991 PCT Filed Feb. 5, 1991 PCT Pub. No. WO91/12244 PCT Pub. Date Aug. 22, 1991.This invention relates to a process for preparation of pyrimidinetriones. It also relates to novel N-dihydroxyphosphoryl pyrimidinetrione derivatives which may be useful as water-soluble prodrugs of certain pyrimidinetrione compounds.
Patent RU-2050449-C1 (RU)
Inventor: MATTI VILENIUS
IPC: F04B17/00
Filed: 1991-11-13
Granted: 1995-12-20
Abstract: Использование: свободнопоршневые двигатели внутреннего сгорания с гидравлическим приводом нагрузки. Сущность изобретения: запуск осуществляют с помощью гидравлического устройства "поршень цилиндр" двустороннего действия, которое после запуска используют для отбора мощности от двигателя. Между гидравлическим аккумулятором с рабочей жидкостью под пусковым давлением и гидравлическими цилиндрическими полостями устанавливается клапан, который регулируют путем изменения его положения с тем, чтобы в гидравлических цилиндрических полостях поочередно создавалось повышенное давление. Во время запуска одноходовые клапаны, установленные между гидравлическими полостями и приводом, переводят в закрытое состояние с тем, чтобы снять нагрузку с поршневого насоса. 1 з. п. ф-лы, 3 ил.
Patent RU-2000278-C1 (RU)
Inventor: PRILEPSKIJ VIKTOR N
IPC: C03C8/02
Filed: 1991-07-18
Granted: 1993-09-07
Abstract: Использование: дл  защиты изделий из  легированных сталей, работающих в услови х  высокотемпературного газового потока , преимущественно радиационных труб  термических печей. Сущность изобретени :  защитное покрытие содержит, мас.%: оксид  титана 2,0-5,0 БФ ТЮ2, оксид алюмини  0,5-2.5 БФ А120з, оксид хрома 20.0-25.0 БФ  Сг20з: оксид кальци  3.0-5,0 БФ СаО, оксид  бари  29,0-35,0 БФ ВаО; оксид марганца  1,0-2,0 БФ МпО; оксид кобальта 1,0-3,0 БФ  СоО; оксид молибдена 1.0-4.0 БФ МоОз,  бескислородное соединение кремни  5,0-  10,0, оксид кремни  - остальное БФ SI02.  причем сумма оксида кальци  + оксида бари  равна 34-38, Характеристика покрыти :  температура обжига 1150 1200&deg;С, коэффициент  черноты 0,78-0,84, жаростойкость  при 1000&deg;С 600-950 ч, термостойкость  950 т 20&deg;С 500-1000 теплосмен 2 табл.
Patent RU-2008670-C1 (RU)
Title: Method of benzo(a)pyrene extraction from environment objects for analysis
Inventor: NOVIKOV NIKOLAJ F
IPC: G01N31/00
Filed: 1991-09-30
Granted: 1994-02-28
Abstract: FIELD: analytical chemistry. SUBSTANCE: for benzo(a)pyrene extraction sample is placed into analytical autoclave, poured with n-octane up to its complete covering and kept at 145-155 C in thermostat for 2-2.5 h. EFFECT: improved method of analysis. 1 dwg
Patent RU-2042225-C1 (RU)
Inventor: KOSTIENKO ANATOLIJ I
IPC: H01J23/26
Filed: 1991-10-29
Granted: 1995-08-20
Abstract: FIELD: electronic engineering. SUBSTANCE: beam is passed inside slow-wave structure in the form of hollow cylinder whose inner surface has multipass spiral groove with smooth concave contour, and electromagnetic field is excited in slow-wave structure; in addition, grooves having different curvature radii are made at each pair of passes using electron beam whose sectional area is determined as function of slow-wave structure parameters; in addition, electromagnetic wave is entered and brought out through holes in groove having greatest curvature radius. EFFECT: enlarged functional capabilities. 3 cl, 1 dwg
Patent RU-2074050-C1 (RU)
Title: Method of cooling melt and apparatus for performing the same
Inventor: KONDRAD SHERMUTTSKI
IPC: B01D9/00
Filed: 1991-12-16
Granted: 1997-02-27
Abstract: FIELD: metallurgy. SUBSTANCE: double-belt plant has two moving in the same direction belts whose webs turned one another form slit for melt fed by belt. Lower surface of upper belt contacts with melt surface. At necessary cooling of web crystal layer is formed onto it, and it s guided to slits and removed outside slit. EFFECT: improved design, enhanced efficiency. 11 cl, 1 dwg
Patent RU-2114838-C1 (RU)
Title: Триазольные производные, фармацевтическая композиция и промежуточные продукты
Inventor: STEFEN DZHEMS REHJ
IPC: C07D403/06
Filed: 1991-02-01
Granted: 1998-07-10
Abstract: Изобретение относится к производным триазола, проявляющим противогрибковую активность. Сущность изобретения: противогрибковые соединения формулы, приведенной в описании, и их фармацевтически приемлемые соли, где R представляет фенил, замещенный 1-3 галоидзаместителями, R 1  - C 1 -C 4 -алкил, X - CH или N, Y - F или Cl, фармацевтическая композиция и промежуточные продукты. 5 с. и 15 з.п.ф-лы, 5 табл.
Patent RU-2027999-C1 (RU)
Title: Method for determining degree of severity of stenocardia in patients suffering from ischemia
Inventor: VOLKOV VLADIMIR IVANOVICH
IPC: G01N33/84
Filed: 1991-07-08
Granted: 1995-01-27
Abstract: FIELD: medicine, particularly, cardiology. SUBSTANCE: essence of this method resides in determining content of iron and zinc in blood serum by nuclear absorption method. Whenever content of iron and zinc in blood serum drops 1.9 times minimum, stable stenocardia is diagnosed. If content of iron decreases at least 2.2 times and that of zinc falls at least four times, as compared with content of these microelements in group of controls, unstable stenocardia is diagnosed. EFFECT: prompt and simple method, no chemical reagents of foreign makes are required plus possibility of timely selecting adequate therapy. 2 tbl
Patent RU-2004010-C1 (RU)
Title: Сканирующий лазер
Inventor: NIZHNIKOVSKIJ VLADIMIR S
IPC: G02B26/10
Filed: 1991-11-04
Granted: 1993-11-30
Abstract: Использование- изобретение относитс  к кван-  тово-электронным приборам и решает задачу  формировани  многолучевого лазерного излучени   с управл емыми пространственными и энергетическими  характеристиками Сущность изобретени  состоит  в том. что в электронно-лучевой пространственный  модул тор введен п электронных прожекторов  со своими схемами управлени , что позволило  при одновременном облучении эгектроолтического  кристалла потоком электронов создать п локальных  пол ризованных  чеек, обеспечивающих генерацию  многолучевого лазерного излучени  Управление  выходных характеристик лазерного излучени  осуществл етс  изменением параметров потока злек-  тронов электронно-лучевой труби пространственного  модул тора 1 ил
Patent RU-2040767-C1 (RU)
Inventor: ZAGREBIN VALERIJ DMITRIEVICH
IPC: F41A19/00
Filed: 1992-02-06
Granted: 1995-07-25
Abstract: FIELD: firearms. SUBSTANCE: invention provides for use of indicators of armed cocks for separable firing mechanism. Firing mechanism incorporating box 1 with cocks 2 and 3 interacting with indicating cocks 4 and 5 with springs 6 is fitted with axle 7 put sidewise to box. Axle 7 passes through grooves 8 made in indicators. Steps 9 of indicators facing cocks have bevel 10. EFFECT: diminished probability of misfire due to reduction of loses of energy of cocks coupled to contact of indicators. 3 dwg
Patent RU-2009011-C1 (RU)
Inventor: VOLKOV ANATOLIJ E
IPC: B22D18/00
Filed: 1992-02-07
Granted: 1994-03-15
Abstract: Использование: для литья тугоплавких металлов. Сущность изобретения: установка содержит камеру давления с перегородкой, установленной над металлопроводом. Напротив металлопровода над крышкой устновлено плавящее устройство, например вольфрамовый электрод. Под перегородкой и металлопроводом в вакуумируемом стакане установлена разборная форма. Перегородка разделяет камеры между собой. При плавлении перегородки до нижней ее поверхности эта поверхность под давлением газа в камере разрывается и расплав с большой скоростью заполняет вакуумированную полость формы. 1 ил.
Patent RU-2031171-C1 (RU)
Title: Method for continuous casting of aluminum alloys
Inventor: ONISHCHUK LEONID K
IPC: C22C1/06
Filed: 1992-02-17
Granted: 1995-03-20
Abstract: FIELD: continuous casting. SUBSTANCE: aluminium rod with modifiers is placed into melt in which crossing electric and magnetic fields are produced to impart to melt motion which does not coincide with initial direction of melt flow. Aluminium rod before its introduction into melt is heated by current passed through it. EFFECT: higher intensity of modification due to uniform distribution of modifiers in melt volume and more homogeneous cast structure of ingot. 2 dwg
Patent RU-2018592-C1 (RU)
Title: Multiple joint of cellular structure
Inventor: GRACHEV VLADIMIR A
IPC: E04B1/58
Filed: 1992-01-03
Granted: 1994-08-30
Abstract: FIELD: mechanical engineering. SUBSTANCE: multiple joint includes casings and corrugated strips arranged between casings. Corrugated strips are rigidly connected to one another and to casings and forming cells. Casings are corrugated and oriented with corrugation axes as strips are, and connected with them to form cells. Corrugated strips on sections of mutual joining are profiled over their width to form open hollows coming out on longitudinal edges. Tubular hollows have covers on their ends and having coaxial holes in bottoms, and diametrically arranged longitudinal slots in walls installed so that paired in thickness strips are engaged in cover slots and clamped by means of coupling bolts passed through tubular hollows and cover holes. Provision is made of version of making of inner diameter of tubular hollows equalling the diameter of coupling bolt. EFFECT: higher efficiency. 2 cl, 1 dwg