baber/WOPTO huggingface dataset:
Patent RU-2068283-C1 (RU)
Title: Arc-welding helmet
Inventor: TRUBIN ALEKSANDR A
IPC: A61F9/06
Filed: 1990-09-10
Granted: 1996-10-27
Abstract: FIELD: means of individual protection of welder. SUBSTANCE: mask 1 is connected to cap 2 in the helmet in the form of annular obturator 5 secured on it with a longitudinal groove receiving the edges of mask 1. Two holes are available at the edges of frontotemporal obturator 7 for passage of air to the upper part of the helmet. Protective shield 14 is made with cap peak 19 projecting in the lower part, in which it is coupled to mask 1 by two cylindrical springs 20 located in semicylindrical cavities to be found on the external lateral sides of the mask. EFFECT: enhanced protective efficiency of helmet and convenience in use in the conditions of a complex effect of radioactive and other toxic products, noise, high temperature, metal splashes and brightness of the welding zone. 4 dwg
Patent RU-2015048-C1 (RU)
Inventor: KRAVCHENKO ALEKSANDR I
IPC: B61F5/02
Filed: 1989-07-13
Granted: 1994-06-30
Abstract: FIELD: transportation technology. SUBSTANCE: main balancing member is made in the form of a longitudinal torsion bar mounted on body 1 in bearings 5 and 6. Vertical levers 7 and 8 are fixed on bar 4. The levers are connected to the centers of trolleys 2 and 3 by transverse horizontal rods 11 and 12 hinged on lever end sections and on trolleys. Rods 11 and 12 may have constant length or made elastic for elongation and compression with inclusion therein of elastic dissipative elements. The rods may have adjusting members. Bar 4 may be made rigid or elastic for torsion, or sectional to ease the assembly work. The whole mechanism may be disposed in the body above trolleys 2 and 3, or to envelop the body frames along their height. The desired transverse horizontal forces distribution is achieved by selection of lever arms of appropriate length. EFFECT: increased stability; simplified design. 6 cl, 6 dwg
Patent RU-2022066-C1 (RU)
Inventor: FROLOV ANDREJ I
IPC: C25D21/16
Filed: 1989-08-15
Granted: 1994-10-30
Abstract: Использование: для электрохимической регенерации промышленных отработанных хромсодержащих растворов, образующихся в гальваническом производстве, на предприятиях машиностроительной, электротехнической, металлообрабатывающей и других отраслей промышленности. Сущность изобретения: водоохлаждаемая электродная камера 1 выполнена с крышкой 10, элементы для придания камере прочности и жесткости (обечайки 2) размещены внутри камеры 1, один из них соединен с крышкой 10. Запорный элемент выполнен в виде пружины 8 и пробкового клапана 4, установленного на нижнем конце тяги 6 и размещенного в отверстии конусного дна 3 с возможностью его запирания, а на верхнем конце тяги 6 размещена пружина 8, установленная с возможностью взаимодействия с верхней плоскостью крышки 10. В крышке выполнены отверстия для тяги 6 и полиэтиленовых трубок 15. 1 ил.
Patent RU-2011569-C1 (RU)
Title: Device for physical modelling of power system of electric railroad
Inventor: CHERNOV YURIJ A
IPC: B60M3/00
Filed: 1990-05-07
Granted: 1994-04-30
Abstract: FIELD: railroad transport. SUBSTANCE: modelling units of substation, autotransformer units, contact network and supply wire are made of elements which are formed by reactor and resistor without inductive couplings. Units of substation modelling are made in form of free-ray star. The unit has output connected to unit for modelling contact network, to unit for modelling supply wire and to unit for modelling power wire. Rail modelling unit is made in form of a wire with low active resistance. EFFECT: improved efficiency. 1 dwg
Patent RU-2051153-C1 (RU)
Title: Derivatives of 6-aryl-5,6-dihydroimidazo-[2,1-b]-thiazole or their pharmaceutically acceptable acidic salts, or their stereochemical isomeric forms showing immunostimulating activity, method of synthesis, 2-iminothiazole derivatives or their pharmaceutically acceptable acidic salts, or their stereochemical isomeric forms as intermediate products for synthesis of derivatives of 6-aryl-5,6-dihydroimidazo-[2,1-b]-thiazole, immunostimulating composition
Inventor: ALFONS GERMAN MARGARETA RAJMAK
IPC: A61K31/425
Filed: 1990-11-23
Granted: 1995-12-27
Abstract: Novel 6-aryl-5,6-dihydroimidazo[2,1-b]thiazole derivatives of formula   <CHEM>  wherein Ar is phenyl optionally substituted with halo, hydroxy, C1-6alkyloxy, mercapto, C1-6alkylthio, C1-6alkyl, nitro, amino, mono- and di(C1-6alkyl)amino, C1-6alkylcarbonylamino, arylcarbonylamino, C1-6alkylsulfonylamino, trifluoromethyl, cyano, aminocarbonyl, mono- and di(C1-6alkyl)aminocarbonyl, hydroxycarbonyl, C1-6alkyloxycarbonyl, carboxaldehyde or hydroxymethyl; pyridinyl; thienyl; furanyl or furanyl substituted with either C1-6alkyl or halo; R<1> and R<2> are C1-20alkyl, (C3-7cycloalkyl)C1-6alkyl, C3-7cycloalkyl, aryl or (aryl)C1-6alkyl; one of R<1> and R<2> may by hydrogen; or R<1> and R<2> taken together may form a C3-6alkanediyl radical; the acid addition salts and stereochemically isomeric forms thereof, said compounds having immunostimulating properties. Pharmaceutical compositions containing such compounds as active ingredient. Processes of preparing said novel compounds and pharmaceutical compositions.
Patent RU-2018126-C1 (RU)
Title: Device for removing laundering liquid from plate cells
Inventor: SOBKO ANATOLIJ I
IPC: G01N33/48
Filed: 1990-05-21
Granted: 1994-08-15
Abstract: FIELD: medical engineering. SUBSTANCE: plate has base 1, upper wall 4 attached to the base to define an inner cavity; an excess pressure source communicating with the inner cavity through coupling member 5. There are apertures formed in the upper wall for fixing casings 3 made of eleastic material. Each casing is freely mounted on support rod 2 secured to the bottom of base 1 in spaced aligned relationship with the openings. EFFECT: enhanced efficiency. 1 dwg
Patent RU-2030172-C1 (RU)
Title: Device for the speech correction during stuttering
Inventor: SHEVCHUK IGOR V
IPC: A61F5/58
Filed: 1990-06-11
Granted: 1995-03-10
Abstract: FIELD: medicine. SUBSTANCE: device has detector 1, unit 2 for regulating the threshold levels of the measured signal, amplifier 3, light source 4, sound source 5, measuring unit 6, illuminating member 7, stimulant 8. EFFECT: enhanced accuracy of measurements. 1 cl, 1 dwg
Patent RU-2076045-C1 (RU)
Title: Method of powder production from secondary tyres rubber
Inventor: ENIKOLOPOV NIKOLAJ S
IPC: B29B13/10
Filed: 1990-12-29
Granted: 1997-03-27
Abstract: FIELD: production of powder from secondary tyres rubber as substance to produce regenerate or rubber mixtures. SUBSTANCE: method is realized in extrusion apparatus under thermal and mechanical action carried out at least in two in series located sections of extrusion apparatus, that have shift zones, in which speed of shift is changing according to formula given in method description. EFFECT: improved process. 2 cl, 1 tbl
Patent RU-2001388-C1 (RU)
Title: Газоанализатор
Inventor: MATVEEV BORIS A
IPC: G01N21/61
Filed: 1991-01-17
Granted: 1993-10-15
Abstract: Сущность: газоанализатор содержит фотоприемник  1, опорный 2. первый измерительный 3, второй  измерительный 4 светодиоды, оптически св занные  с фотоприемником, первый 5. второй 6. третий  7 накопители, управл емый вычитатепь 8, блок  управлени Э, первый источник питани  10, выполненный  с возможностью управлени , второй 11.  третий 12 источники питани  измерительный блок  13, выполненный в виде измерител  тока 14, и индикатора  15. 1 - 5 - 8 - 9 - 10 - 14 - 15,1 - 6,1  -7,8-11.4-12. 1ил
Patent RU-2026058-C1 (RU)
Title: Device for curing respiratory deficiency
Inventor: ZARODINA LYUDMILA NIKOLAEVNA
IPC: A61H31/02
Filed: 1991-02-15
Granted: 1995-01-09
Abstract: FIELD: medical equipment. SUBSTANCE: device has resistance to breath regulator, rotatable insertion which has spherical external surface and disk with rigidly fixed valve and through holes; all units are mounted in align in the case. Regulator is made in form of hollow cylinder and conjugated with insertion along conical landing surface formed by conical working part and response saddle-shaped surface of the insertion. Regulator is fixed inside cavity of the insertion by means of threaded connection. Landing jack for spherical surface of the insertion is made in case. Insertion itself is mounted in case for rotation about axis being perpendicular to longitudinal axis of the case. Disk is attached to the end of the cylinder at its working part. EFFECT: improved efficiency. 2 dwg
Patent RU-2011764-C1 (RU)
Title: Method and device for controlling working processes of earth-moving transport machines
Inventor: SOKOVIKOV VYACHESLAV K
IPC: E02F9/20
Filed: 1991-02-28
Granted: 1994-04-30
Abstract: FIELD: computer technology. SUBSTANCE: device has two units for measuring rotational frequency of driving sprockets of earth-moving transport machine, unit for computing average theoretical speed of the machine, unit for computing real towing of propulsive device, two units for measuring strength of the resistance on boards of earth-moving machine, unit for computing average force of resistance for blade, unit for computing theoretical towing of the propulsion device, unit for setting required coefficients depending on theoretical towing of the propulsion device of earth-moving machine of resistance force on the blade, unit for comparing real and theoretic towing of the propulsive device, electrohydraulic drive for regulating working tool (blade), unit for measuring rotational frequencies of internal combustion engine, unit for computing real towing of hydrotransformer, unit for setting theoretical towing of hydrotransformer, unit for comparing real and theoretical towing of hydrotransformer, electrohydraulic drive for controlling rack of fuel pump of internal combustion engine. EFFECT: improved precision. 2 cl, 1 dwg
Patent RU-2013673-C1 (RU)
Title: Roller bearing
Inventor: IZOSIMOV MIKHAIL E
IPC: F16C33/34
Filed: 1991-01-23
Granted: 1994-05-30
Abstract: FIELD: mechanical engineering. SUBSTANCE: bearing has conical rollers placed in bearing races. Large diameter of rollers is found from equation given in description of invention. EFFECT: improved design. 3 dwg
Patent RU-2013247-C1 (RU)
Title: Auxiliary vehicle brake
Inventor: TSELISHCHEV VASILIJ F
IPC: B60T1/14
Filed: 1991-03-28
Granted: 1994-05-30
Abstract: FIELD: automotive engineering. SUBSTANCE: auxiliary brake of vehicle has brake shoe installed after rear axle and connected by levers and clamps to the rear axle. Middle part of the levers is connected to rod of working cylinder having a spring-loaded piston. The brake shoe is fashioned as a wheel with replaceable rim provided with brake disks and annular cylinders with heads receiving annular pistons. The wheel rims have spherical projections engaging with road surface. Axle of the wheel is linked with levers through head shanks. The auxiliary brake comprises shoe 1 with brake connected to lever 2 having clamps 3 and working cylinder 4 connected to piston 6 by rod 5. Shoe 1 includes casing 7 with hub of rim axis 9 with spherical projections 11 affixed to the casing 7, mudguard disks 12, and brake in the form of two brake disks with annular cylinders, two heads 15 with annular pistons and pressure passages 17, and shanks 18 secured to heads 15. Lever 2 coupled to shanks 18 by bolts has lug 20 pivotally connected to head 21 of rod 5. Ends of lever 2 are pivotally connected to clamps 3. Levers 2 are coupled to rear axle by clamps 3. EFFECT: enhanced braking efficiency, especially on slippery roads. 5 dwg
Patent RU-2010334-C1 (RU)
Title: Warning system
Inventor: YASHCHUK PAVEL N
IPC: G08B13/12
Filed: 1991-04-08
Granted: 1994-03-30
Abstract: FIELD: technical means of guards. SUBSTANCE: device has signal wire 1 (broken when trespasser is in the zone of control). Electric circuit of the wire is controlled by means of power source 2, current transducer 3 which is made in form of resistor, device also has threshold unit 4. Outputs of unit 4 are connected with input of delay member 5 and inverter 7. Output of the inverter is connected with one input of AND gate 8 which has output connected with input of signalling unit 9. Short-pulse former 6 is brought into the device additionally which has input and output connected with output of delay member 5 and with the other input of AND gate 8. Fault operations are excluded in the device which may be caused by powerful electromagnetic disturbances, for example, lighting, commutation of power line etc. , due to selection of duration of the delay. EFFECT: improved noise immunity. 1 dwg
Patent RU-2031582-C1 (RU)
Title: Method for producing sausages
Inventor: ROGOV IOSIF ALEKSANDROVICH
IPC: A22C11/00
Filed: 1991-05-24
Granted: 1995-03-27
Abstract: FIELD: food industry. SUBSTANCE: salting and preparing of sausage meat are carried out simultaneously. Sodium nitrite is added, its quantity being 1.2-1.4 g per 100 kg of unsalted raw materials. Simultaneously dye being prepared of slaughtering animals blood is added, its quantity being 2.3-2.5 kg per 100 kg of unsalted raw materials. EFFECT: improves efficiency of the method.
Patent RU-2010115-C1 (RU)
Title: Screw or wood screw head
Inventor: KAZACHKOV EVGENIJ M
IPC: F16B23/00
Filed: 1991-05-05
Granted: 1994-03-30
Abstract: FIELD: mechanical engineering. SUBSTANCE: head is made in the form of a ball segment with odd number of grooves reducing in depth from the bearing end to the tip. One side of the grooves is made straight, and the other one is tapered to provide rotation of the screw or the wood screw only in one direction. EFFECT: improve structure. 3 dwg
Patent RU-2006602-C1 (RU)
Inventor: BOLSHAKOV VALENTIN F
IPC: F01N3/04
Filed: 1991-06-03
Granted: 1994-01-30
Abstract: FIELD: cleaning of exhaust gases. SUBSTANCE: device has exhaust pipe line connected with neutralizer and water supply pipe fitted with sprayer; besides that, device has bypass pipe line fitted with two dampers: at inlet and outlet; bypass pipe is provided with soot trap with gas-tight partition, filter and water receiver; device is also provided with drier, additional filter, additional water receiver and water pump. Inlet and outlet of bypass pipe are connected with exhaust pipe line through dampers. Water supply pipe is arranged horizontally in soot trap above gas-tight partition. Arranged under gas-tight partition is water receiver which is brought in communication with water supply pipe through water pump. Filter is arranged between gas-tight partitions and water receiver and gas drier is mounted before neutralizer fitted in bypass pipe line. Secured in lower portion of neutralizer is additional water receiver. Additional filter is located above additional water receiver. Besides that, gas-tight partition is made of corrugated bands forming gas ducts and is inclined to horizontal plane. EFFECT: enhanced efficiency. 1 dwg
Patent RU-2053556-C1 (RU)
Inventor: TRUBITSYN NIKOLAJ F
IPC: G06G7/52
Filed: 1991-05-27
Granted: 1996-01-27
Abstract: FIELD: computer engineering. SUBSTANCE: device has mean square detectors, multiplication unit, squarer, adder, dividing units, correlation coefficient meter, amplifier, subtraction units and unit for subtraction from one. EFFECT: increased speed. 2 dwg
Patent RU-2046150-C1 (RU)
Title: Method of hydrometallurgic gold extraction from the gold-containing material
Inventor: KENNA KREG KLINTON
IPC: C22B11/00
Filed: 1991-02-19
Granted: 1995-10-20
Abstract: FIELD: gold-containing raw processing. SUBSTANCE: method involves the stage of material treatment with acid leaching solution containing thiourea and ferric ions. Solition for leaching has also complexing agent for ferric ions. Complexing agent can be taken from the group involving di- and tricarboxylic acids, phosphoric acid and its salts, thiocyanates, fluorides, fluosilicic acid and its salts (fluosilicates), ethylenediaminetetraacetic acid (EDTA) and its salts, and mixtures of compounds indicated above. EFFECT: improved method of gold extraction. 6 cl, 3 tbl
Patent RU-2057514-C1 (RU)
Inventor: DAVYDOV VLADIMIR A
IPC: A61H21/00
Filed: 1991-06-08
Granted: 1996-04-10
Abstract: Использование: в медицинской технике, в частности в массажных устройствах для лечебного массажа полых протяженных органов, например уретры. Сущность изобретения: устройство содержит заглушенную и закругленную с дистального конца трубку 1, в стенки которой вмонтированы с частичным выступлением из них массажирующие элементы 4 в виде тел вращения. Массажирующие элементы 4 установлены с возможностью вращения вокруг своей оси. 1 з. п. ф-лы, 1 ил.
Patent RU-2012005-C1 (RU)
Inventor: GALKIN VASILIJ G
IPC: G01R31/72
Filed: 1991-07-04
Granted: 1994-04-30
Abstract: FIELD: electrical engineering. SUBSTANCE: fault detector has damped-wave RF pulse-train generator; its pulses are applied to windings under test. Windings are checked for condition by comparing inductances of two of three windings by means of bridge metering circuit. Switch makes it possible to change over windings. EFFECT: simplified procedure, improved accuracy and validity of test results. 1 dwg, 1 tbl
Patent RU-2035576-C1 (RU)
Title: Fence for keeping poultry
Inventor: VELGUSH VASILIJ VASILEVICH
IPC: E04H17/16
Filed: 1991-11-12
Granted: 1995-05-20
Abstract: FIELD: civil engineering; agricultural engineering; fencing. SUBSTANCE: each fencing section is made as a tetragonal tubular frame with wire gauze filling the intermediate space. The lower crossbar of the frame has legs with disks and pin end piece. The side uprights have side blocks with brackets mounted pairwise, contributing to the fence stability when driven into the ground. One of sections has a wicket. EFFECT: enhanced stability of fencing, simplified installation process. 4 dwg
Patent RU-2073674-C1 (RU)
Inventor: MASANOBU SUZUKI
IPC: A61P35/00
Filed: 1991-11-06
Granted: 1997-02-20
Abstract: FIELD: organic chemistry. SUBSTANCE: product: derivatives of benzo-[c] -phenanthridinium of the formula A where: M and N each means hydroxy-group and lower alkoxy, or M and N mean simultaneously hydrogen atom or form together methylenedioxy-group; X -  - acid residue or hydrogen acid residue; R - lower alkyl. Reagent 1: compound of the formula C where Y - halogen atom; W - protective group. Reagent 2: organotin compound. Conditions: initiating agent of radical reaction, organic hydrocarbon solvent. Pharmcomposition contains compounds of the formula A 1 . Synthesized compounds were used in medicine as drugs. EFFECT: improved method of synthesis. 16 cl, 8 tbl
Patent RU-2066975-C1 (RU)
Title: Method for determining fetus state in prenatal period
Inventor: ANUFRIEVA VERA G
IPC: A61B8/00
Filed: 1991-12-10
Granted: 1996-09-27
Abstract: FIELD: medicine. SUBSTANCE: method involves determining fetus mass by applying original formula valid during 30-42 weeks of pregnancy. Then standard fetus mass is determined for the given pregnancy time taking into account the value of pregnant woman height. Hypotrophy, paratrophy stage is determined by comparing the actual and standard fetus mass. EFFECT: simplified method.
Patent RU-2006565-C1 (RU)
Title: Буровое дисковое долото
Inventor: ESHIMOV GEORGIJ K
IPC: E21B10/12
Filed: 1991-08-07
Granted: 1994-01-30
Abstract: Использование: горное дело, в частности породоразрушающий инструмент с дисковыми режущими органами для вращательного бурения скважин. Сущность: в буровом дисковом долоте резцы 5 выполнены в поперечном сечении дугообразными и размещены под углом к рабочей поверхности дисков 4. 4 ил.
Patent RU-2018286-C1 (RU)
Title: Expander for lower extremity
Inventor: GIMMELFARB ARKADIJ L
IPC: A61F5/00
Filed: 1992-02-27
Granted: 1994-08-30
Abstract: FIELD: device belongs to medicine, is intended for strengthening of muscles of lower extremity in restored time after endured traumata and removal of traumatogenic moments. SUBSTANCE: device includes housing with two covers between which pantograph is located formed by rods. In places of rods crossing joints are mounted in the form of pedestal movably along guide formed by walls and channel on rollers. Between proximal stationary pedestal and next one tared spring is disposed whose resistance is overcome through by foot pressure fixed in food support. EFFECT: exact load dosing, increased functional properties of device and removal of traumatogenic moments. 3 dwg
Patent RU-2021294-C1 (RU)
Title: Isocyanate-containing mixture for preparing of elastic polyurethane foam cold hardening
Inventor: NOVAK VIKTOR A
IPC: C08G101/00
Filed: 1992-03-17
Granted: 1994-10-15
Abstract: FIELD: polymeric materials. SUBSTANCE: mixture containing polymethylenepolyphenylenepolyisocyanate and toluylenediisocyanate has additionally prepolymer with isocyanate groups number 19 ± 1,5 wt.-% on the basis of diphenylmethanediisocyanate and complex polyesterphenol with mol. mass 1800-3000. Elastic polyurethane foam and articles made of their show enhanced strength properties and decreased density (by 10-12%). Mixture is mixed with polyolic component and poured into metallic unheating shape. EFFECT: enhanced quality of material. 2 tbl
Patent RU-2039721-C1 (RU)
Title: Composition for manufacture of architecture-building products
Inventor: LOVETSKIJ LEONID V
IPC: C04B22/08
Filed: 1992-03-24
Granted: 1995-07-20
Abstract: FIELD: construction. SUBSTANCE: composition for manufacture of architecture-building products contains, mas.part. gypsum 100; urea resin 15-20; orthophosphoric acid 0.2-0.3; 2% aqueous solution of citric acid 15-20; pigment 1-3. Composition is hardened in 17-20 min. Compression strength of finished product is 48.7-54.3 MPa. EFFECT: higher efficiency. 1 tbl
Patent RU-2029094-C1 (RU)
Title: Anchor
Inventor: ARDASHEV KONSTANTIN A
IPC: E21D21/00
Filed: 1992-04-28
Granted: 1995-02-20
Abstract: FIELD: mining industry. SUBSTANCE: anchor has bar with limiting ring and wedge conical head, anchoring half-sleeve, supporting plate, tension nut. Anchor has spring in form of flexible bracing plates with unbent ends. The latter are secured to outer walls of lower ends of half-sleeves. Plate ends are bent at angle of 50-55 deg. and interval between ends exceeds the well diameter. EFFECT: higher efficiency. 3 dwg
Patent RU-2043334-C1 (RU)
Inventor: KHOKHLOV PETR S
IPC: A01N33/12
Filed: 1992-03-12
Granted: 1995-09-10
Abstract: FIELD: organic chemistry. SUBSTANCE: product: 2-hydroxyethyltrialkylammonium 4-aminobenzoates of the general formula   where a) R 1 =R 2 =R 3  ethyl, empirical formula is C 15 H 26 N 2 O 3 , yield is 90% m. p. is 210-212 C; b) R 1 =R 2 =R 3 =CH 3  R 1 =R 2 , yield is 85% m. p. is 220-222 C; c) R 3 -methyl, R 1 =R 2  butyl, yield is 100% Product is oil with refractory index 1.5152; d) R 3 -methyl, R 1 =R 2  - octyl, yield is 98% oil. Reagent 1: trialkylamine where (C 1 -C 4 )-alkyl, R 3  (C 1 -C 8 )-alkyl. Reagent 2: carbon dioxide. Reaction conditions: at 70-80 C in aqueous medium followed by successive addition of ethylene oxide and 4-aminobenzoic acid. Synthesized compounds were used in agriculture. EFFECT: improved method of synthesis. 3 cl, 2 tbl
Patent RU-2060454-C1 (RU)
Title: Converter of linear translations
Inventor: KOPYTOV YURIJ G
IPC: G01B7/16
Filed: 1992-05-15
Granted: 1996-05-20
Abstract: FIELD: measurement technology. SUBSTANCE: ends of sensitive element are fastened permanently to case and measuring rod. Sensitive element proper presents set of alternating restoring and nonrestoring parts. Restoring parts are supported as cantilever in nonrestoring ones. EFFECT: increased measurement precision thanks to preservation of linear dependence between translation and deformation of restoring parts of sensitive element and elimination of sliding, beating and other factors in joints by making them immobile. 5 dwg
Patent RU-2068914-C1 (RU)
Title: Drain system
Inventor: NICHOLSON IAN CRAIG
IPC: E02B11/00
Filed: 1991-03-08
Granted: 1996-11-10
Abstract: FIELD: hydraulic engineering. SUBSTANCE: used automobile tyres are radially cut into three parts and periphery sector of each tyre is removed. Remaining sections being 1-2-1/3 part of initial tyres are fitted in line, one after the other. Tyre sections are connected to form stretching in length drain structure used instead of common large-size drain ditches. EFFECT: enlarged operating capabilities. 3 cl, 6 dwg