baber/WOPTO huggingface dataset:
Patent RU-2074711-C1 (RU)
Inventor: LUKNITSKIJ FELIKS I
IPC: A61K31/592
Filed: 1993-05-13
Granted: 1997-03-10
Abstract: FIELD: chemical-pharmaceutical industry. SUBSTANCE: ergosterol is prepared from lipid-fat concentrate that is waste of vitamins production from yeast. Method involves treatment of waste with 1-2% potassium hydroxide solution at ratio of lipid concentrate : alkali spirituous solution = 1:12, at boiling for 1 h, not less. EFFECT: increased yield of the end product.
Patent RU-2137216-C1 (RU)
Title: Method for digital magnetic recording of multiple-bit code
Inventor: KOROVJAK O S
IPC: G11B5/09
Filed: 1993-06-15
Granted: 1999-09-10
Abstract: FIELD: magnetic recording equipment for information transmission. SUBSTANCE: method involves generation of time intervals using self-synchronization sequence, and its storage to one track of magnetic carrier, making two-word block of digital multiple-bit code with one word inverted, adaptive generation of n+1 time intervals from sets of same bits of two words, where n is equal to number of bits word, and sum of lengths of n+1 time intervals is equal to two clock intervals. Different combinations of bits result in generation of time intervals which duration conforms to specific conditions. EFFECT: increased stability to noise upon accumulation and transmission in information. 3 dwg, 1 tbl
Patent RU-2083596-C1 (RU)
Inventor: SHVAREVA GALINA N
IPC: C08F20/06
Filed: 1993-09-07
Granted: 1997-07-10
Abstract: Способ получения полимеров с высоким водопоглощением. Использование: в производстве предметов санитарии и гигиены, водоотнимающих средств для угольной промышленности, водоудерживающих агентов для сельского хозяйства. Сущность изобретения: получение полимеров путем полимеризации 40-60%-ного водного раствора акриловой кислоты или ее смеси с 1-50 мол.% метакриловой кислоты, нейтрализованной на 50-90% гидроокисью щелочного металла или аммония, в присутствии сшивающего агента, выбранного из группы, включающий производственные триэтаноламина и полиэтиленгликоля, N,N'- метиленбис-(мет) акриламид, полимеризацию проводят в квазигерметичном тонком слое при 50-90 o C. 1 табл.
Patent RU-2074663-C1 (RU)
Title: Method to treat short tubular bones
Inventor: AZOLOV VADIM V
IPC: A61B17/56
Filed: 1993-09-07
Granted: 1997-03-10
Abstract: FIELD: medicine, surgery. SUBSTANCE: skin is cut in projection of bone defect, subcutaneous vein is isolated and mobilized by suppressing its distal end and adjacent artery. A channel is formed at an angle to longitudinal axis of transplant, after transplant is placed into defect venous vessel is directed through the channel distal end of which is anastomosed sideways with artery. EFFECT: thrombosis prophylaxis and possibility to create local venous hypertension to stimulate osteogenesis processes.
Patent RU-2053718-C1 (RU)
Title: Surgical cutting instrument
Inventor: BENDOVSKIJ EVGENIJ B
IPC: A61B17/3209
Filed: 1993-10-06
Granted: 1996-02-10
Abstract: FIELD: medical engineering. SUBSTANCE: device has handle 3 with working end piece 1 manufacturable from polycrystalline ceramics using aluminium alpha-oxide as the base which mean grain size is equal to 0.1-0.3 mcm. Working end piece 1 is attached to handle 3 by means of binding material 4. The instrument can have handle 3 made from polycrystalline ceramics using aluminium alpha- oxide as the base which grain size is equal to 10-50 mcm and apparent density of 3,8-4,0 g/cm 3 . Polycrystalline ceramics is useable as binding material 4 possessing deformation temperature of 1000-1300 C. EFFECT: reduced production costs. 2 cl, 5 dwg
Patent RU-2045790-C1 (RU)
Title: Three-phase transformer
Inventor: KHOLIN SERGEJ N
IPC: H01F30/14
Filed: 1993-10-21
Granted: 1995-10-10
Abstract: FIELD: electrical engineering; converters and transformers. SUBSTANCE: transformer has three toroidal cores 1,2,3 with different section rectangular hysteresis loop determined basing on conditions given in description of invention. Each core is embraced by its own magnetizing winding W 11 , W 12 , W 13  with number of turns determined according to conditions W 11 ≥ 1,2 W 12 , W 11 ≥ 2,4 W 13 , and connected in series aiding, and output winding divided into three sections so that first output sections of core windings are connected in series aiding to each other and form first phase of transformer, and second and third sections are connected in series opposite and form second and third phases of transformer, respectively. Owing to use of separate magnetizing windings for each core, magnetic polarity of cores is reversed not simultaneously, but in turn, one after the other, and emf pulses of phases shifted through 120 degrees appear in output three-phase windings. EFFECT: conversion of single phase voltage into three-phase voltage. 2 dwg
Patent RU-2090789-C1 (RU)
Title: Compound spring
Inventor: SAVIN GEORGIJ P
IPC: F16F1/18
Filed: 1993-10-21
Granted: 1997-09-20
Abstract: FIELD: mechanical engineering. SUBSTANCE: compound spring has at least two leafs on the tension side of each of which is a longitudinal projection, the side opposite to the tension side, compression side, being provided with a longitudinal hollow, which receives the projection of the adjacent leaf with a spaced relation, tightening member made up as a bolt arranged in the middle portion of the spring and used for locking it, additional sheet positioned on the root sheet and tightened with a bolt, and two spring clips. The spring clips are mounted at the ends of a lining and used for rigid locking of the spring with respect to the axle of a vehicle. The length of the additional leaf is equal to or greater than the length of the lining but not as long as the top leaf. EFFECT: improved design. 2 dwg
Patent RU-2046904-C1 (RU)
Title: Floor
Inventor: PATUROEV VASILIJ V
IPC: E04F15/10
Filed: 1993-11-18
Granted: 1995-10-27
Abstract: FIELD: civil engineering. SUBSTANCE: floor has underlying concrete layer, priming layer and the coating made of epoxy compositions. The composition of priming layer comprises (per cent by weight): 82 82 epoxy resin, 4.2 8.7 dissolving agent, 4.2 8.7 curing agent. The coating is made of polymer-mineral skeleton, filled with epoxy composition of the following content (per cent by weight): 40 42 epoxy resin, 8.0 8.5 furfuryl alcohol, 24 25 sand, 16 marshalite, 3.8 4.0 curing agent, 3.5 3.8 painting agent, 0.6 - 0.8 lignosulfonate. In so doing, epoxy composition may have microalumina in 3 5 amount of the composition weight. Modulus of elasticity is 16-19·10 -3 , density is 1860-2000kg/m 3 . EFFECT: high stability. 2 cl, 1 dwg, 2 tbl
Patent RU-2094615-C1 (RU)
Title: Device for transporting maintenance mixture into mine
Inventor: CHUPRIKOV ALEKSEJ E
IPC: E21F15/08
Filed: 1993-12-10
Granted: 1997-10-27
Abstract: FIELD: mining industry. SUBSTANCE: device has pipeline with intermediate vessel made in the form of scroll with tangential inlet pipe unions which are connected with distributing manifold, and with outlet pipe unions with gathering collector. Shaft of bladed impeller is connected with electric generator through overdrive transmission. EFFECT: high efficiency. 2 dwg
Patent RU-2074927-C1 (RU)
Title: Ground stabilization method
Inventor: PRIDATKO YURIJ MIKHAJLOVICH
IPC: E02D3/12
Filed: 1993-12-22
Granted: 1997-03-10
Abstract: FIELD: construction engineering. SUBSTANCE: ground containing organic matter is stabilized by drilling bore-holes, checking content of organic matter in ground, washing out, dewatering and injection of stabilizing solution. Dewatering of ground implies removal of free ground water and hydraulic water of organic matter. Drying is effected until ground acquires its initial strength. EFFECT: high efficiency. 1 tbl
Patent RU-2080613-C1 (RU)
Title: Fiber-optic wave energy density sensor
Inventor: MALKOV YAKOV V
IPC: G02B6/28
Filed: 1993-12-28
Granted: 1997-05-27
Abstract: FIELD: radio engineering and fiber optics; wave energy density measurements. SUBSTANCE: fiber-optic sensor is planar structure with current-carrying part 1 attached to insulating substrate 2 with slot 4 passing light conductor 5. Section of light conductor 5 placed in slot 3 is covered with resonance absorbing coat 6 and forms, by means of mirrors 7 and 8, interferometer. Section of light conductor 5 placed in slot 4 forms, by means of mirrors 9 and 10, Fabry-Perot interferometer. Slots 3 and 4 are spaced through certain distance apart to prevent effect of microwave field under measurement on Fabry-Perot interferometer. EFFECT: improved design. 1 dwg
Patent RU-2104621-C1 (RU)
Title: Electron accelerator
Inventor: IV ZHONZHAN
IPC: H05H7/18
Filed: 1992-05-27
Granted: 1998-02-10
Abstract: FIELD: accelerating engineering. SUBSTANCE: electron accelerator has first source radiating electron beam to be accelerated and coaxial cavity formed by external cylindrical conductor and internal one both arranged on common axis and connected to two flanges. Electron beam is introduced into middle space which is perpendicular to axis along first diameter of external conductor. Accelerator also has second source radiating electron beam which is slowed down by radial electric field when it crosses coaxial cavity. Plane along which second electron beam is entered differs from middle area. EFFECT: improved design. 2 cl, 2 dwg
Patent RU-2077405-C1 (RU)
Title: Suspension for manufacturing refractory shell molds from investment patterns
Inventor: SHCHERBAKOVA GALINA I
IPC: B22C1/16
Filed: 1994-02-08
Granted: 1997-04-20
Abstract: FIELD: metallurgy. SUBSTANCE: suspension employed, in particular, when manufacturing ceramic shell molds, includes refractory filler and binding agent consisting of alkoxyelementoxane, chelating agent (stabilizer), and organic solvent, wherein above said alkoxyelemetoxane, according to invention, is alkoxytitznoxane with general formula presented in description. EFFECT: improved characteristics of initial mix.
Patent RU-2090542-C1 (RU)
Inventor: SUBOCH GEORGIJ A
IPC: F42B33/06
Filed: 1994-04-12
Granted: 1997-09-20
Abstract: FIELD: utilization of solid rocket fuels. SUBSTANCE: solid rocket fuel is treated with nitrosobenzene solution in benzene, toluene or xylenes at 80-110 C. Destructing nitrosobenzene solution is prepared by oxidation of aniline in appropriate solvent with hydrogen peroxide. EFFECT: more efficient destruction method. 3 cl
Patent RU-2061310-C1 (RU)
Title: Сухой молочно-растительный многофункциональный продукт
IPC: A23C23/00
Filed: 1994-06-15
Granted: 1996-05-27
Abstract: 1. Сухой молочно-растительный многофункциональный продукт, включающий белковый компонент, вкусоароматические добавки, витамины, отличающийся тем, что в качестве белкового компонента используют изолят соевого белка или смесь последнего и молочного белка при следующем соотношении компонентов, кг на 1 т продукта:  Изолят соевого белка или смесь изолята соевого белка и молочного белка - 535,0 - 999,4  Витамины - 0,0028 - 0,45  Вкусоароматические добавки - 0,1 - 5,0  2. Продукт по п.1, отличающийся тем, что он дополнительно содержит метионин в количестве 8 - 20 кг на 1 т продукта. 
      3. Продукт по п.1, отличающийся тем, что он дополнительно содержит сернокислое железо в количестве 150 г на 1 т продукта. 
      4. Продукт по п.1, отличающийся тем, что он дополнительно содержит подсластитель в количестве 3 - 10 кг на 1 т продукта. 
      5. Продукт по п.1, отличающийся тем, что он дополнительно содержит пищевые волокна в количестве 5 - 15 кг на 1 т продукта.
Patent RU-2119668-C1 (RU)
Title: Method of differential diagnosis of fibroadenoma and breast cancer in histological slices
Inventor: KOZLOV D V
IPC: G01N33/48
Filed: 1994-07-18
Granted: 1998-09-27
Abstract: FIELD: medicine, pathological anatomy. SUBSTANCE: method involves rehydration of histological slices in samples taken off at surgery operation followed by removing paraffin residues. Activity of endogeneous peroxidase and nonspecific sorption of immunoglobulins are inhibited and histological slices are treated with the primary antibodies raised to alpha-2-macroglobulin and alpha-2-glycoprotein. Histological slices are incubated with the secondary antibodies and selective staining of alpha-2-macroglobulin or alpha-2-glycoprotein (yellow-brown colors) are obtained. Detection degree is determined on the basis of staining intensity. Tumor is diagnosed as fibroadenoma at high degree of detection of alpha-2-macroglobulin (brown color) and at low degree of detection of alpha-2-glycoprotein (pale-yellow color). Breast cancer is diagnosed at low degree of detection of alpha-2-macroglobulin (pale-yellow color) and at high degree of detection of alpha-2-glycoprotein (brown color). EFFECT: improved precision of diagnosis.
Patent RU-2056029-C1 (RU)
Title: Furnace roller
Inventor: LYAKH ALEKSANDR P
IPC: F27D3/02
Filed: 1994-08-24
Granted: 1996-03-10
Abstract: FIELD: metallurgy. SUBSTANCE: furnace roller includes a barrel with end sleeves, water cooled shaft and intermediate bearings installed in a gap between the barrel and shaft. Cross dimensions of the shaft and the barrel are interrelated with relationship presented in the description. One intermediate bearing may be placed in the middle of the barrel. Length of its surface resting on the shaft is not less than 15 % of barrel length. EFFECT: shaft cooling. 2 cl, 1 dwg
Patent RU-2084145-C1 (RU)
Title: Fish pumping plant
IPC: A01K79/00
Filed: 1994-09-29
Granted: 1997-07-20
Abstract: FIELD: fishery, in particular, vertical hydraulic transportation of fish in water flow, for example, discharge of caught fish from catching devices or fish accumulators. SUBSTANCE: plant has fish pump with hydraulic motor and single-channel centrifugal working wheel with blade, water separator, pipeline, hydraulic station and manipulator with base and boom. Base is provided with rotation drive. Boom has pivotally connected links moved by hydraulic cylinders. Pump is pivotally attached on end of boom lower end. Suction cone is mounted at pump inlet. Working liquid used in hydraulic plant contains the mixture of glycerin, ethyl alcohol, water and anticorrosive additives. Pipeline and water separator are positioned within manipulator boom. Lower link of manipulator may be formed from telescopic sections, which may be drawn apart by hydraulic cylinder. EFFECT: increased efficiency, reduced damage to fishes, improved ecology. 3 cl, 6 dwg
Patent RU-2094889-C1 (RU)
Title: Emission unit
Inventor: BUDZIALOVSKIJ VYACHESLAV V
IPC: H01J1/30
Filed: 1994-09-30
Granted: 1997-10-27
Abstract: FIELD: electronic equipment, in particular, active gates in electronic instruments, controlled electron source in cathode-luminescence indicators. SUBSTANCE: device has self- emission cathode and multiple-electrode anode unit. Each electrode has working edge. Surfaces of working edges of at least two electrodes have different size and/or space from cathode. EFFECT: increased functional capabilities. 3 cl, 1 dwg
Patent RU-2072687-C1 (RU)
Title: Способ получения шрота из семян тыквы для медицинских целей
IPC: C11B1/04
Filed: 1994-11-24
Granted: 1997-01-27
Abstract: Способ получения шрота из семян тыквы для медицинских целей, включающий их очистку, сортировку, измельчение, сушку и прессование, отличающийся тем, что сушку проводят при слое высотой 250 - 300 мм, температуре 60 - 80С в течение 8 - 12 мин до влажности 10 - 12%, на прессование измельченное сырье подают с температурой 60 - 80С, а прессование ведут так, чтобы температура послепрессового шрота составляла не выше 90С.
Patent RU-2123069-C1 (RU)
Title: Устройство для производства смешанного окислительного раствора
Inventor: BEJKER FORREST ALLEN
IPC: C25B9/17
Filed: 1993-03-04
Granted: 1998-12-10
Abstract: Устройство осуществляет диссоциацию соляного раствора, образуя окислители на базе озона и хлора. Усовершенствованная конструкция позволяет оптимизировать долю озона по отношению к другим окислителям и тем самым получать более эффективный стерилизующий раствор. Производство озона регулируется путем изменения времени пребывания соляного раствора в камере и ориентацией самой камеры. 4 з.п. ф-лы, 5 ил.
Patent RU-2108404-C1 (RU)
Inventor: BELIEV M M
IPC: C22C29/16
Filed: 1994-12-15
Granted: 1998-04-10
Abstract: FIELD: production of superhard materials in apparatuses with high pressure and temperature; may be used in mechanical engineering in capacity of edges cutting tools. SUBSTANCE: material has cutting layer including, vol.%: cubic boron nitride BN jph , 30-50; nitrides and borides of titanium and aluminum TiN, TiB 2 , AlN, AlB 12 , 20-55; copper and a series of intermetallic compounds, 15-30; they are the following: copper and titanium CuTi 3 , CuTi 2 , CuTi; copper and aluminum Cu 9 Al 4 , Cu 3 Al 2 , CuAl; titanium and aluminum TiAl, TiAl 3 ; copper, titanium and aluminum CuAl 4 Ti 8 , Cu 4 Al 71 Ti 25  and heat-exchange layer of hard alloy of composition Ti 5 K 6 , and cutting layer amounts to 50-85 vol. % and heat-exchange layer, to 501-5 vol.%. EFFECT: higher cutting properties. 2 tbl
Patent RU-2078120-C1 (RU)
Title: Fuel briquet and method of fabrication thereof
IPC: C10L5/16
Filed: 1995-02-13
Granted: 1997-04-27
Abstract: FIELD: solid fuel production. SUBSTANCE: invention concerns processes of briquetting fuel component, for example, coal sludges and small-size coal. Briquets may be utilized as fuel in household and industrial burners as well as for coking in coking and metallurgical industry. Fuel briquet of invention comprises thermally treated shaped blend of coal dust and binder containing cake from tall oil rectification bottoms in quantity at least 0.5% based on coal weight and sulfonic acid derivative (lignosulfonate or methylenenaphthalenesulfonic acid sodium salt) in quantity at least 0.5% based on coal weight. The two first components are initially mixed and the aqueous solution of the third component is then added. Shaped briquets are heated at 200-800 C for at least 4 min. EFFECT: improved procedure. 6 cl
Patent RU-2097646-C1 (RU)
Title: Method of prevention of development of flaws in pipe line walls
Inventor: GOLOVIN SERGEJ V
IPC: F16L57/02
Filed: 1995-02-17
Granted: 1997-11-27
Abstract: FIELD: mechanical. SUBSTANCE: detachable coupling consisting of two halves is mounted on pipe line at preliminary filling of flaw with hardening noncorrodible polymer material, after which coupling halves are welded together. Invention gives mathematical dependence of pressure drop versus geometry of pipe and stresses in it. EFFECT: enhanced efficiency. 2 cl, 3 dwg
Patent RU-2078355-C1 (RU)
Title: Liquid scintillator for neutron counter
Inventor: BERESNEV VADIM I
IPC: G01T1/204
Filed: 1995-02-20
Granted: 1997-04-27
Abstract: FIELD: nuclear physics, instrumentation engineering. SUBSTANCE: liquid scintillator for neutron counter has oil fraction of hydrocarbons as base of scintillator which boiling point temperature is 250 - 320 deg C and burst point of saturated vapor is plus 120 C. Activation formula is PPO, spectrum mixing formula is POPOP. Bottom-type liquid scintillator permits to construct neutron detectors of high volume and high fire-resistance. EFFECT: higher efficiency of source for neutrons counting. 2 cl
Patent RU-2093238-C1 (RU)
Title: Alcohol production process
Inventor: SOKOLOV ANDREJ YU
IPC: B01D3/14
Filed: 1995-02-14
Granted: 1997-10-20
Abstract: FIELD: alcohol industry. SUBSTANCE: process includes epuration of water-alcohol mixture in epuration column upper part of which is supplied with hot water followed by concentrating epurate in alcohol column and further rectification to yield commercial alcohol. Process is distinguished with feeding air into epuration column in amount 0.1-50.0 cu.dm per 1 cu.dm of alcohol and carrying out epuration in presence of basic reagent in amount 0.01-3.0 g per 1 cu.dm of alcohol. EFFECT: enhanced efficiency of process. 7 cl
Patent RU-2094051-C1 (RU)
Title: Medicinal preparation and a method of its preparing
Inventor: VOROBEVA ANTONINA N
IPC: A61K36/736
Filed: 1995-03-28
Granted: 1997-10-27
Abstract: FIELD: medicine, pharmacology, pharmacy. SUBSTANCE: preparation has the following components, wt.-%: juniper root ash 0.808-1.808; grape vine ash 0.808-1.808; apricot kernel ash 0.808-1.808; acid cherry kernel ash 0.808-1.808; sweet cherry kernel ash 0.808-1.808, and distilled water - the rest. Invention gives mass content of elements in ash and describes method of its preparing. Preparation is used for therapeutic regulation of physiological functions of organism, at cholelithiasis and prostatitis. EFFECT: enhanced effectiveness. 2 cl, 2 tbl
Patent RU-2097755-C1 (RU)
Inventor: VANIFATOVA NATALIYA G
IPC: G01N27/414
Filed: 1995-04-25
Granted: 1997-11-27
Abstract: FIELD: semiconductor transducers for determination of various chemical substances in solutions by potentiometric methods of analysis in medicine, biology, agriculture, and in environment monitoring systems. SUBSTANCE: ion-selective field-effect transistor, including a single-crystal substrate carrying a gate containing successively applied layers of silicon dioxide and tantalum pentoxide, and an ion-sensitive membrane plasticized in a polyvinyl-chloride matrix additionally uses an intermediate layer of polymeric compound, 1 to 3 mcm thick, selected from the class of comb-shaped polymers based on polyalkylmethacrylates or polyalkylacrylates, with the length of the alkyl chain within C 10 -C 22 ; the intermediate layer is positioned between the layer of tantalum pentoxide of the gate and ion-selective membrane. EFFECT: improved design. 1 dwg, 1 tbl
Patent RU-2142158-C1 (RU)
Title: Распределенная вычислительная система и компьютер-клиент этой системы
Inventor: DZHOZEF K JURIEHJKOZ
IPC: H04B/
Filed: 1995-04-25
Granted: 1999-11-27
Abstract: Изобретение относится к распределенным вычислительным системам "клиент-сервер". Техническим результатом является возможность участвующему компьютеру-клиенту присоединиться к распределенной вычислительной задаче в любое время и выполнять свою собственную вычислительную функцию со своей скоростью. Система содержит источник непрерывного потока данных, включающего повторяющиеся данные, представляющие распределенную вычислительную прикладную задачу, и компьютер-клиент, принимающий поток данных для извлечения из него данных, представляющих распределенную вычислительную прикладную задачу, и выполнения этой задачи. 2 с. и 18 з.п.ф-лы, 4 ил.
Patent RU-2096298-C1 (RU)
Title: Garbage remover set
Inventor: MASYUTIN VLADIMIR I
IPC: B65F3/14
Filed: 1995-05-16
Granted: 1997-11-20
Abstract: FIELD: municipal vehicles. SUBSTANCE: garbage remover set for removing garbage and refuse from refuse chute has container installed on vehicle chassis. Screw compressor set is butt-joined to container through valves and delivery and suction pipelines. Hydraulic press with extensible scoop is connected to rear opening bottom plate of container and extensible pipeline with flap and sealing part is butt joined to rear bottom plate from outside. EFFECT: enlarged operating capabilities. 3 dwg
Patent RU-2051776-C1 (RU)
Inventor: DRAGUNOV VASILIJ M
IPC: B23K35/40
Filed: 1995-05-29
Granted: 1996-01-10
Abstract: FIELD: arc welding. SUBSTANCE: press includes a supporting framework with daubing head 2; the daubing cylinders 4,5, the hydraulic cylinder 6, having the ram 7 for pressing out a daubing mass. The press is provided by an apparatus for automatic feeding of briquettes of daubing mass 11 into the daubing cylinders. The apparatus includes a carriage, supporting a carrying member, secured to it by a cantilever fashion. The carriage is mounted with possibility of vertical motion along a guide, mounted on the supporting framework. The apparatus has two horizontal chain transmissions 8,9. The chain transmission 8, arranged on the supporting framework, includes the pusher 10 for feeding briquettes into the daubing cylinder. The chain transmission 9, arranged on the carrying member, is provided by a clamping member for briquettes. The apparatus has the electric drive 27 for moving the carriage and electric drive units for moving each chain. The apparatus also has pickups, detecting a position of the pusher and the member for clamping briquettes, and a control unit. The electric drive units are provided by devices, controlling a motion speed of the pusher and of the briquette clamping member. The chain transmissions are unitized ones. EFFECT: enhanced structure of the press. 3 cl, 4 dwg