baber/WOPTO huggingface dataset:
Patent JP-H05237141-A (JP)
Title: Artificial blood vessel and its production
Inventor: KANAZAWA SHINICHI
IPC: A61F2/06
Filed: 1992-02-27
Abstract: PURPOSE:To stably maintain the initially formed thrombomembranes while maintaining the antithrombotic property of PTFE by providing rugged structures formed of the parts where fine fibrous tissues are cut and/or decomposed and removed on the inside cavity surface of the artificial blood vessel. CONSTITUTION:Many recessed parts 3 and projecting parts 4 are formed on the inside cavity surface of the artificial blood vessel made of the stretched PTFE. Such rugged structures can be imparted to the artificial blood vessel by forming the recessed parts 3 which are formed by treating the inside cavity surface made of a porous tubular tetrafluoroethylene resin body having the fine fibrous tissues consisting of fibers 1 and knods 2 connected by the fibers 1 to each other thereby cutting or decomposing away the fine fibrous tissues and the projecting parts 4 where the nodal parts remain and shrink. The rugged structures of the inside cavity surface to be imparted to the artificial blood vessel are 10 to 50mum in the average width of the recessed parts in the blood flow direction and 5 to 20mum in the average depth of the recessed parts. As a result, the artificial blood vessel has the property to stably maintain the thrombomembranes formed by the rugged structures in addition to the property to form the thin thrombomembranes the PTFE material.
Patent JP-H09265942-A (JP)
Title: High-pressure discharge lamp
Inventor: HONDA HISASHI
IPC: H04N5/74
Filed: 1996-03-29
Abstract: PROBLEM TO BE SOLVED: To provide a high-pressure discharge lamp in which the generation of cracks in a sealing body is prevented by directly melting a ceramic bulb and the sealing body by laser irradiation. SOLUTION: A sealing body 22b coated with a chemical 26b is inserted into the lower part of an alumina bulb 21. Laser beams are irradiated to the vicinities of flange parts 23 of the sealing bodies 22a, 22b. The alumina bulb 21 and the sealing bodies 22a, 22b are directly melted. Since the content of tungsten in the vicinity of the alumina bulb 21 of the sealing body 22a is made low and that in the vicinity of inner electrodes 25a, 25b is made high, the generation of cracks in the contact part between the sealing bodies 22a, 22b and the alumina bulb 21, and between the sealing bodies 22a, 22b and the inner electrodes 25a, 25b after laser beams are irradiated can be prevented.
Patent JP-S51151264-A (JP)
Title: A reliquefying apparatus of evaporation gas
Inventor: OKAMOTO TOMIYASU
IPC: F25J1/02
Filed: 1975-06-20
Abstract: PURPOSE:A reliquefying apparatus of evaporation gas for provision in, for example, low temperature liquefied gas carriers.
Patent JP-S572381-A (JP)
Title: Material for breaking rock and concrete
Inventor: KIRA KINICHI
IPC: E21C37/00
Filed: 1980-06-06
Abstract: PURPOSE: To prepare the titled breaking material having adjustable induction period of the development of dilation pressure caused by the hydration of unslaked lime, by mixing a main raw material consisting of a specific granular unslaked lime with gypsum dihydrate, a water-reducing concrete additive, and quick-hardening cement.  
     CONSTITUTION: The objective breaking material can be prepared by mixing (A) 700W950pts.wt. of granular unslaked lime having a degree of activity of 200W350 as a main raw material, (B) 5W20pts.wt. of gypsum dihydrate, (C) 2W10pts.wt. of powdery water-reducing concrete additive and (D) 50W300pts.wt. of quick- hardening cement containing normal Portland cement and alumina cement at a ratio of 8/2W7/3.  
     EFFECT: Dilation pressure of at least 250kgf/cm 2  is developed within 24hr, and rock, concrete, etc. can be effectively disintegrated. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-S58196109-A (JP)
Title: Method for elongation rolling of steel pipe
Inventor: IMAE TOSHIO
IPC: B21B17/02
Filed: 1982-05-10
Abstract: PURPOSE:To make the distribution of the wall thickness in the longitudinal direction of a finished pipe rolled by the next stretch reducer uniform, by uniformly controlling the outer diameter and the wall thickness of a hollow blank pipe in its longitudinal direction, in elongating the hollow blank pipe into a blank pipe for a finish mill by a mandrel mill. CONSTITUTION:A round blank bar 11 is heated by a heating furnace 12 and is processed into a hollow blank pipe 14 by a Mannesmann piercer 13, and the pipe 14 is elongated into a blank pipe 18 for a finish mill by plural pairs of grooved rolls 17 after inserting a mandrel bar 16 into the pipe 14 by a mandrel mill 15. After the blank pipe 18 is heated again by a heating furnace 19, the pipe 18 is fed to a stretch reducer 20 to be processed into a finished pipe 21. In this case, the bulge width measured at the stand of the mill 15 are analyzed, and the signals of a hydraulic servocontrolling device basing on the analyzed results are inputted to a hydraulic pressure generating device, then the roll chocks of the roll 17 for elongation are driven by a hydraulic cylinder device to control the rolling reduction of the rolls 17, thereby the wall thickness in the direction of the blank pipe 18 is made uniform to perform the finishing process by the stretch reducer 20.
Patent JP-H03278822-A (JP)
Title: Dialyzing membrane and production thereof
Inventor: TAKAHASHI TAKESHI
IPC: B01D71/12
Filed: 1990-03-28
Abstract: PURPOSE:To obtain a dialyzing membrane supremely excellent in bio- compatibility by a method wherein the membrane obtained by adding a predetermined amt. of a di-lower alkylamino lower alkyl cellulose to an aq. solution of copper ammonia cellulose is brought into contact with an aq. solution of heparin having a predetermined concn. CONSTITUTION:A di-lower alkylamino lower alkyl cellulose (e.g. dimethylaminomethyl cellulose, dimethylaminoethyl cellulose and diethylaminoethyl cellulose having 1-4 carbon atoms) is added to an aq. solution of copper ammonia cellulose in an amt. of 0.1-5wt.% based on the weight of cellulose. The mixture of the aq. solutions thus obtained is formed into a membrane and the resulting cellulose membrane is brought into contact with an aq. solution of heparin having a concn. of 0.05-3wt./vol.%, whereby the heparin is adsorbed on the cellulose membrane by ionic bond. In this way a dialyzing membrane superb in bio-compatibility and capable of producing a prolonged excellent antithrombotic effect can be obtained.
Patent JP-S522144-A (JP)
Title: Memory protecting device
Inventor: MAEHARA TOMOHARU
IPC: G06F1/30
Filed: 1975-06-24
Abstract: PURPOSE: To hold processed position in case processing routine is interrupted due to service interruption or the like by storing objective address before the address of the data revised or to be revised is revised, in special address. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S553365-A (JP)
Title: Production of base material for optical fiber
Inventor: EDAHIRO TAKAO
IPC: C03B37/018
Filed: 1978-06-23
Abstract: PURPOSE:To obtain the title material contg. very little residual water and having superior light transmission charactristics by heating a tubular core clad structure to a high temp. in a chlorine or chloride-contg. atmosphere to turn the structure into a rodlike one. CONSTITUTION:Tubular core clad structure 1 obtd. by forming a high purity glass film inside a quartz tube is locally heated to about 1600-1800 deg.C with external burner 2 while rotating structure 1. By moving burner 2 back and forth while feeding Cl2-contg. oxygen into the tube, the inside diameter of the tube is reduced gradually. At the time of the final burner movement, by stopping feed of the gas the tube is compacted to obtain a base material for optical fiber contg. very litter water. SiCl4, PoCl3, GeCl4, BCl3, CCl4, NoCl or the like may be used in place of the Cl2 gas to give similar effects.
Patent JP-2000270705-A (JP)
Title: Simple dustpan
Inventor: KITAHARA TADASHI
IPC: A01K23/00
Filed: 1999-03-19
Abstract: PROBLEM TO BE SOLVED: To provide a simple dustpan compact and portable and receivable in a pocket, instantly usable without assembling and capable of readily scooping a dirt such as an excrement. SOLUTION: This dustpan is obtained by folding a piece of about rectangular platy body 1 in two by a folding line 2 provided at the center and providing two folding lines 5 from about a crossing point of the folding line 2 with one short side 3 as a starting point to about both end parts of the other short side 4 in a radial stat, and on the other hand, bonding insides of the starting point sides of the short side 3 in the folding line 5 with each other. In the unused time, the dustpan is receivable in a pocket, etc., of the clothing as two folded, and in using, a crossing point part A of an ending of the short side 4 of the folded line with the folded line 2 is pushed up and an about inverse triangular shaped scooping part 10 having side walls 8 and 9 at right and left can be formed through the two folded lines 2.
Patent JP-S551974-A (JP)
Title: Fusion-welding method of filler pipe with flange for mounting
Inventor: FUJIOKA YUKIO
IPC: B23K11/00
Filed: 1978-06-22
Abstract: PURPOSE: To realize firm, distortion-free fusion-weld at low cost,by seam-welding the inside of bulge-out part provided on the filler pipe main body and the chamfered part of flange for mounting 2 across electrodes respectively.  
     CONSTITUTION: A bulge-out part 3 is formed by bulging on the outer wall suface of a filler pipe main body 1, which is the surface in cotact with a flange for mounting 2. Electrodes B, B' are opposedly provided against this bulge-out part 3 and the chamfered part 2b of the flange 2, and the both electrodes are clipped at an angle of 45° with respect to the side wall of the main body 1, and seam welding is performed by energizing while pressurizing. As a result, wide fusion-weld is realized, which is morefirm and less expensive as compared with convetional products. Also, it is free from distortion which has been experienced in the conventional welding method, and even a plated product may not be peeled if fusion-welded. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-S62234319-A (JP)
Title: Forming method for hetero-epitaxial thin-film
Inventor: TAKAGI KAZUMASA
IPC: H01L21/302
Filed: 1986-04-04
Abstract: PURPOSE:To form an epitaxial film having no crystal defect by shaping an oxide film for a substrate crystal on the surface of a single crystal substrate at least once, chemically removing the oxide film and forming an epitaxial thin-film on the single crystal substrate. CONSTITUTION:An Si wafer 7 is used as a substrate. A (100) face is inclined at 2 deg. in the [011] direction in the surface orientation of the Si wafer 7, and the Si wafer 7 is thermally oxidized in dried oxygen, thus shaping an oxide film 8. The Si wafer 7 is dipped in a hydrofluoric acid aqueous solution, the oxide film 8 is removed, and the Si wafer is washed by pure water, and entered into hydro chloric acid heated and a hydrogen peroxide aqueous solution, thus shaping an extremely thin oxide film 9 on the surface of the wafer 7. The Si wafer 7 is introduced quickly into an MBE device, the MBE device is evacuated, degassing treatment and oxide-film removal treatment are executed, the thin oxide film 9 is removed, and a GaAs thin-film 10 is grown on the substrate 7. Accordingly, an yield in which a smooth film having no anti-phase boundary can be shaped is brought to 80%, and the excellent film is acquired extending over the whole in a wafer surface.
Patent JP-S56151350-A (JP)
Title: Aging device for sno2 semiconductor gas sensor
Inventor: SHIN YASUO
IPC: G01N27/12
Filed: 1980-06-06
Abstract: PURPOSE:To provide a gas sensor, for use with an oven range, which has a stable characteristics, by a method wherein the gas sensor is aged in an atmosphere where gas is generated at a higher generating rate from a device itsef providing with the gas sensor, and in a manner to bring it into a high temperature condition. CONSTITUTION:A gas sensor GS, which is aged, is fastened on a top plate of an enclosure gas tank 15. A silicon compound 16, housed in a pan 20, is positioned in the tank 15, and the tank 15 is filled with dimethylsiloxane gas through the heating of a heater 17. The tank is uniformly filled with the gas by means of an agitating fan, and simultaneoulsy, the inside of the tank is heated to about 150-250 deg.C by means of the heater 17. The gas sensor GS, which is aged for 30min-2hr under the circumference described above, is prepared such that a change with the passage of time at an initial energizing time becomes a stable resistance value and sensitivity against the dimethylsiloxane gas generated at a no-load baking in an oven range do not change.
Patent JP-S561319-A (JP)
Title: Optical system for irradiation spectroscope
Inventor: MATSUMOTO KOUICHI
IPC: G01J3/02
Filed: 1979-06-20
Abstract: PURPOSE:To improve condensing efficiency by installing an optical element which has the characteristics of diffusing light only in the direction of diffraction grating slits between an incident slit and a condenser mirror. CONSTITUTION:Between an incident slit 3 and a condenser mirror 5, a cylindrical lens 9 to enlarge a focus in the vertical direction without affecting a horizontal spectrum focal plane is inserted. By so doing, focusing points in the horizontal direction and the vertical direction can be approached with each other, condensing density can be increased and monochromatic light of high light intensity can be obtained. By changing the focal length of the cylindrical lens 9, the spectrum focal plane in the vertical direction after correction can be moved.
Patent JP-2000272618-A (JP)
Title: Paper container and method of manufacturing paper container
Inventor: AMI KENSAKU
IPC: B65D5/56
Filed: 1999-03-19
Abstract: PROBLEM TO BE SOLVED: To provide a paper container in which an assembling operation is easily carried out within a forming mold, it is hardly deformed, a sufficient sealing with a lid surface can be performed due to its smooth surface, paper is a major material and it is adapted for environmental problem. SOLUTION: There is provided a method for manufacturing a paper container in which this paper container is comprised of a major blank having paper as its major material, having a lid surface 4 cooperatively arranged at a frame flange 3 and an outside part of the flange and having a pair of opposing side surfaces 5 at its inner sides; a paper container main body 1 assembled with a sub-blank composed of a bottom surface 6 and a side surface other than the side surface cooperatively arranged at the main blank;  and an inner protective film layer 2, wherein the major blank and the sub-blank are set in a forming mold for performing a vacuum molding or pressure molding operation, the paper container main body of semi-finished product is assembled in the forming mold, a thermoplastic resin film under its heated state is molded under vacuum or pneumatic pressure or under both of them, closely adhered to the entire inner surface of the paper container main body, thereby the inner protective film layer is formed.
Patent JP-H01248880-A (JP)
Title: Programmable selector circuit
Inventor: IKEDA TETSUYA
IPC: G11B20/00
Filed: 1988-03-30
Abstract: PURPOSE:To easily make a connector part correspond to a signal processing circuit by being equipped with a means which stores correlating signal prepared with address data detected by means of a state detecting means and source identifying data corresponding to them into a memory, and set a source input connector part in a programmable way. CONSTITUTION:The correlating signal is prepared in a control part 12, and the control part 12 prepares the correlating signal with the use of the detecting data from a state detecting circuit 11 and the source identifying data from a source identifying data input circuit 13. The state detecting circuit 11 detects that some source is connected to a connector part CN1, and generates its address. Here, when a mode setting key 201 is in an ON condition, the control part 13 prepares the correlating signal to correlate the source identifying data to a connector address, and gives it to a matrix circuit 10. The matrix circuit 10 connects an output terminal T1 of the connector part CN1 to a signal processing part 15n for a compact disk(CD) based on the correlating signal.
Patent JP-H05278084-A (JP)
Title: Screw member for injection molding machine
IPC: B29C45/52
Filed: 1992-03-31
Abstract: PURPOSE:To provide a screw member for an injection molding machine with excellent heat resistance and wear resistance and reduced cost. CONSTITUTION:A ring valve 10 and a screw head 20 are provided in a screw member. The ring valve 10 has a cylindrical shape and a plurality of channels 12 wherein a molding material passes on the apex side. In addition, on the screw head 20, a sharpened head part 24 is provided on the apex side of a cylindrical screw head main body 22. The ring valve 10 is formed of a specified resin or a ring member consisting of a specified resin is mounted on the outer peripheral part of the screw head main body 22.
Patent JP-H10268077-A (JP)
Title: Natural circulation type boiling water reactor and fuel assembly
Inventor: TAKII TAICHI
IPC: G21C5/00
Filed: 1997-03-28
Abstract: PROBLEM TO BE SOLVED: To suppress the increase of height of a reactor pressure vessel and reduce construction cost by large-sizing fuel assemblies, enlarging the grid pitch for loading them more than specific value and inserting the control rods having a cross shape cross section in the position outside the channel boxes in the both sides of a diagonal of each fuel assembly. SOLUTION: The gap width between fuel assemblies 2 where control rods 3 are inserted is kept and fuel assemblies 2 are enlarged, and the cross sectional area fraction in a channel box 1 in the core cross section is increased. Without reducing the cross sectional area fraction of fuel rods 14a and water rods 14b, flow area fraction where boiled coolant passes in the channel box is increased. By this, the pressure loss in the core 4 is reduced and the drive force of the cooling water becomes small. Also, as the grid pitch for loading a fuel assembly 2 is enlarged over 220 mm accompanied by the large-sizing of the fuel assembly 2. However, as control rods 3 having a cross shape cross section are inserted in the diagonal position of each fuel assembly 2, the controllability of the core 4 improves.
Patent JP-H06288265-A (JP)
Title: Air-fuel ratio control method and device for gas engine
Inventor: MIYAIRI TAKAHIKO
IPC: F02M21/02
Filed: 1993-04-02
Abstract: PURPOSE:To improve the durability and the reliability as well as to reduce the cost, by providing a vibration sensor to a gas engine so as to calculate the vibration fluctuation coefficient, and feedback-controlling a flow rate regulat ing means of the fuel gas. CONSTITUTION:A vibration sensor 12 is provided to a gas engine, and the vibration fluctuation coefficient is calculated from the output of the vibration sensor 12. In a fuel gas passage 3, a flow rate regulating means 5 composed of a motor-operated valve or an injector is provided. An opening sensor 10 of a throttle valve is provided to a mixer 2. A rotation frequency sensor 11 is provided to a gas engine 1. A control device 9 calculates the engine output from the corresponding relation of the engine rotation frequency and the opening of the throttle valve obtained from the sensors 10 to 12, and the flow rate regulating signal of the flow rate regulating means 5, so as to calculate the tolarable vibration fluctuation coefficient. And the control device 9 feedback- controls the opening of the flow rate regulating means to make the vibration fluctuation coefficient to the tolerable vibration fluctuation coefficient. By such a way, the cost is reduced, and the durability and the reliability can be increased.
Patent JP-S62232727-A (JP)
Title: Production of magnetic recording medium
Inventor: HINOBAYASHI TAKEO
IPC: G11B5/738
Filed: 1986-04-02
Abstract: PURPOSE:To form a titled medium in such a manner that the surface of the completed medium has a uniform coefft. of slipping friction and to prevent the destruction of a head by subjecting either of a glass substrate or respective film layers thereon to an adsorption treatment of a surface active agent having a polar group. CONSTITUTION:The glass substrate 11 having the surface cured layer is selectively subjected to sputtering and heat treatment and the thin films of TiN 12, gamma-Fe2O1313 are superposed thereon. After the surface active agent consisting of myristic acid is adsorbed thereon, the surface is cleaned by acetone and water. SiO2 14a and a lubricating agent 14b such as perfluoropolyalkyl ether are deposited on the surface of the treating agent. The surface free energy occurring in the microscopic hardness of solid is decreased and the hardness is decreased by such constitution, by which the surface free energy generated from the residual strain and physical strain in the part adsorbed with the surface active agent is made uniform and the hardness is leveled off. As a result, the coefft. of slipping friction on the medium surface is made uniform and the generation of the head destruction is prevented even if the surface layer film is made thinner.
Patent JP-S63244378-A (JP)
Title: Actuator mechanism for magnetic disk device
Inventor: ONO SEIJI
IPC: G11B21/02
Filed: 1987-03-30
Abstract: PURPOSE:To correct the position shift of a servo head and a data head due to a change in the environmental temperature by providing a correction member which corrects the position shift of the servo head and the data head due to the change in the temperature between a servo head arm and an actuator block. CONSTITUTION:A correction block 14 is fixed to the servo head arm fitting part 5 of the actuator block 1 by a spring 15, and data head arms 8 are fitted to data head arm fitting parts 4 of two levels by bolt nuts 16 from the lower side of the actuator block 1. The servo head arm 11 is fixed to the servo head arm fitting part 5 and the correction block 14 by the bolt nut 16. If the change occurs in the temperature in a device, the difference of a thermal distortion quantity between the servo head arm 11 and the data head arm 8 due to thermal expansion is corrected by the correction block 14, whereby the position shift of the servo head 10 and the data head 6 due to the change in the environmental temperature can effectively be corrected.
Patent JP-S60220332-A (JP)
Title: Control method of color photographic printing exposure
Inventor: TERASHITA TAKAAKI
IPC: G03B27/73
Filed: 1984-04-17
Abstract: PURPOSE:To control the exposure with a good color balance in a color photographic printer using a dimming filter by deciding a color dimming filter quantity, which changes the color correction quantity, on a basis of functions of the color dimming filter quantity before change of color correction. CONSTITUTION:Exposures of R, G, and B are controlled by a color dimming filter, and they are controlled on a basis of functions of the color dimming filter quantity such as the filter posision, the filter density, the transmissivity, the quantity of light, etc. For example, in case that a dimming filter 2 is controlled in a photographic printer so that the sum of the density of a negative film 1 and that of the dimming filter 2 is constant, full correction is realized if spectral sensitivity distributions of R, G, and B of a photosensor 8 coincide with those of a photographic paper 6. Thus, exposure control values are controlled without breaking the color balance, and even a negative film having a color failure is printed easily and accurately.