baber/WOPTO huggingface dataset:
Patent JP-H09122231-A (JP)
Title: Hollow thread membrane type white blood cell removing filter device
Inventor: KOBAYASHI KENJI
IPC: A61M1/18
Filed: 1995-10-30
Abstract: PROBLEM TO BE SOLVED: To increase the white blood cell removing capability without increasing the pressure loss by filling a porous hollow thread membrane with through holes having the average hole diameter of the prescribed value, having the average membrane thickness of the prescribed value, and having the average filtration area/apparent membrane volume of the prescribed value in a container provided with an inlet and an outlet. SOLUTION: A porous hollow thread membrane 2 provided with through holes having the average hole diameter 1-100μm and having the average membrane thickness 0.05-2mm and the average filtration area/apparent membrane volume of the value 3-200cm<2> /cm<3> is filled in a container 1 provided with a liquid inlet 4 and a liquid outlet 6 to form this hollow thread membrane type white blood cell removing filter device. The average hole diameter is the average diameter of fine holes dispersed on the cut surface of an optical cross section of the hollow thread membrane 2, and the average membrane thickness is the average value of the membrane thicknesses measured at ten or more points at random on one hollow thread membrane 2.  The average filtration area is the logarithmic average between the total inner area and the total outer area when the hollow thread membrane 2 is typically regarded as a cylinder, and the apparent membrane volume is the sum of the total volume of the membrane base material and the total fine hole volume in the membrane.
Patent JP-H03176348-A (JP)
Title: Method of manufacturing paper packs with opening member
Inventor: KOBAYASHI TSUNETOSHI
IPC: B65B9/20
Filed: 1989-11-24
Abstract: PURPOSE:To make it easier to open paper containers for long term preservation by a method wherein at a part for opening when a packaging paper is formed into a container, a pull-out part for opening is attached on the packaging paper, and then the packaging paper is formed into a container. CONSTITUTION:At a spot which corresponds with an opening part 5 when a packaging paper 1 is formed and becomes a container 1', a pull-out part for opening 4 is attached on the packaging paper 1 at a stage where the packaging paper 1 is still in a sheet shape and is not yet formed into the container 1'. Under this condition, the packaging paper 1 is fed in a container manufacture unit 2, and the container 1' is formed. In this case, if the pull-out part for opening 4 is placed such as running across the packaging paper 1, pullout pieces are manufactured at both ends, i.., two pull-out pieces are manufactured, and if it is partially attached, one pull-out pieces are manufactured, and if it is partially attached, one pull-out piece is manufactured. The pull-out piece appears at the upper or lower end of the both edges bonded part of the packaging paper 1, however, it is possible to manufacture a pull-out piece at an optional spot by boring an appropriate spot on the packaging paper 1 and transferring one end of the pull-out part for opening 4 to the back side of the packaging paper 1.
Patent JP-H01144687-A (JP)
Title: Semiconductor photodetector
Inventor: TORIKAI TOSHITAKA
IPC: H01L31/107
Filed: 1987-11-30
Abstract: PURPOSE:To form an avalanche-photodiode capable of responding at high speed even on low hetero-interface field strength, a low multiplication factor, by shaping a semiconductor intermediate layer, forbidden band width of which takes an intermediate value of an optical absorption layer and an avalanche multiplication layer, and at least two kinds of multiple quantum well layers holding the intermediate layer between an optical absorption layer and the avalanche multiplication layer. CONSTITUTION:An n-InP buffer layer 2 laminated through a hydride VPE(vapor phase epitaxy) method, an n<->-In0.53Ga0.47As optical absorption layer 3, InGaAsP/InGaAs multiple quantum well layers 4', an InGaAsP intermediate layer 4, InP/InGaAsP multiple quantum well layers 4'' and an n-InP avalanche layer 5 are shaped onto an n<+>-InP substrate 1. The quantum well layers 4' are composed of the semiconductor layers of the same kind as the constitution of the intermediate layer 4 and the optical absorption layer 3, and the quantum well layers 4'' are organized of the semiconductor layers of the same kind as the constitution of the intermediate layer 4 and the avalanche layer 5. The forbidden band width of the quantum well layers 4', 4'' extends among the intermediate layer 4 and the optical absorption layer 3 and the intermediate layer 4 and the avalanche layer 5. A p<+> type conductive region 5' selectively shaped to an egg form and a guard ring 5'' in a p<-> type conductive region formed to a ring shape are included in the n-InP layer 5. A (p) side electrode 7 is formed to the ring shape through an antireflection film 6 in the p<+> type conductive region 5', and an (n) side electrode 8 is formed on the rear of the substrate 1.
Patent JP-H08158772-A (JP)
Title: Excavating machine
Inventor: NANBA KUNIHEI
IPC: E21B10/44
Filed: 1994-12-07
Abstract: PURPOSE: To make it possible to drill a hole in a desired direction all the time even when a foreign matter is embedded underground. CONSTITUTION: In an excavating machine which drills a hole on a ground by turning an auger screw 20 to which an auger head 30 is mounted at the tip, with an auger device 10, one end of a guide pipe 40 which restrains the shaking of the auger screw 20 is fixed with the auger device 10. The auger screw 20 is inserted into the guide pipe 40 almost coaxially with the guide pipe 40. An auger head 30, which is larger-sized than the guide pipe 40, is mounted at the tip of the auger screw 20 in a state exposed from the other end of the guide pipe 40.
Patent JP-S63159207-A (JP)
Title: Production of hydroxyapatite
Inventor: TAKADA SUSUMU
IPC: C01B25/32
Filed: 1986-12-22
Abstract: PURPOSE:To obtain hydroxyapatite having fine particle size, high uniformity and purity with simple apparatus and operation under mild condition in a short time, by producing an aqueous slurry containing CaCO3 powder and CaHPO4(.2 H2O) powder at a specific ratio and reacting the slurry under grinding and mixing with a wet pulverizer. CONSTITUTION:CaCO3 powder and CaHPO4 are dispersed in water at a Ca/P atomic ratio of 1.5-1.67 to obtain an aqueous slurry having a concentration of 5-40wt%. The slurry is made to react at 20-50 deg.C for 30min-5hr under grinding and mixing with a wet pulverizer such as ball mill, colloid mill, etc., to obtain the objective hydroxyapatite useful as a material to be used in a living body, a filler for column of liquid chromatography, a humidity sensor, etc.
Patent JP-H09123797-A (JP)
Title: Vehicular end part display device
Inventor: NAKASHIZU KATSUMI
IPC: G09F9/00
Filed: 1995-10-27
Abstract: PROBLEM TO BE SOLVED: To provide a vehicular end part display device to be easily mounted on a vehicle by miniaturizing the optical system of a display unit. SOLUTION: A vehicular end part display device guides a display light L emitted from a light emission type display 11 by reflection mirrors 17, 18 and 19 (optical system) and a lens 20 (optical system), projects the light to a half- transmissive combiner 9 (projecting member), forms an image in the vicinity of the end part of the vehicle and displays a virtual image indicating the end part of the vehicle. The vehicular end part display device displays a virtual image larger than the height of a visual field region regulated by the optical system.
Patent JP-H05111838-A (JP)
Title: Machine tool
Inventor: NAKAZAWA HIROSHI
IPC: B23Q1/00
Filed: 1991-10-22
Abstract: PURPOSE:To prevent lowering of the machining accuracy due to temperature change at the time of operation start. CONSTITUTION:A heater 16 is installed in an area between a headstock 2 and a tool rest 6 on a bed 1. The bed 1 is heated by the heater 16 at the time of operation start quickly to a thermally balanced status and is kept thermally deformed, then machine operation is started. As a result, temperature change of the bed does not occur when machine tool operation is continued.
Patent JP-H05113306-A (JP)
Title: Measuring method for various kinds of flexible tube and measuring lead device
Inventor: URAGAMI TORU
IPC: G01B7/02
Filed: 1991-10-22
Abstract: PURPOSE:To enable measurement of the length of a multilayer loop line by a method wherein a magnet is fitted to the end part of a lead line marked with a length scale, the lead line is put in the opening of a flexible tube from the magnet side and inserted thereinto sequentially and a magnetic force reactor is made to approach the tube from outside. CONSTITUTION:While a lead line 14 is drawn out from a reel drum 12, it is inserted into a flexible tube 26 from the opening 28 thereof, headed by a magnet 18 fitted to the end part thereof. A sliding-rolling part 20 is fitted to the foremost end of the line, ahead of the position of fitting of the magnet 18, and it advances smoothly, rolling over the indentation of a hollow part of the flexible tube 26, in accordance with an operation of drawing out the lead line 14. Then, an azimuth meter 30 is made to approach the flexible tube 26 and moved along it and the position of the magnet 18 fitted to the end part of the lead line 14 can be known from outside at a place where a pointer of the azimuth meter is deflected. This operation can be executed easily by only one person and the flexible tube in a state of a multilayer loop can be measured for a required length as it is.
Patent JP-S63157210-A (JP)
Title: Guide path for magnetic detection
Inventor: ISHII TORU
IPC: E01F9/669
Filed: 1986-12-20
Abstract: PURPOSE:To guide a vehicle containing a magnetic sensor by providing a magnetic tape made of a metal having high permeability onto the surface of the path. CONSTITUTION:The 'Permalloy(R)', i.e., a metallic magnetic substance of high permeability contains iron, nickel and other elements and has its own proper electrical characteristics as well as the excellent workability with the sheet metals, etc. In particular, TMC-V (equivalent to JIS PB) can secure the first ratio permeability mui of 100,000 in terms of the DC characteristics and the effective ratio permeability of 62,000 (plate thickness 0.05, 0.3kHz) as shown in a table in terms of the AC characteristics. A metallic tape made of a magnetic substance having high permeability is coated with an anticorrosive coating material and buried directly into a guide path. Otherwise said metallic tape is laminated on a sheet which contains mainly a bonding material made of the synthetic rubber of synthetic resin and a body material together with an adhesive applied onto the rear side ot the tape. Such a tape is pasted on the surface of a path or a floor in an exactly same way as that of an index bonded on the path surface. In such a way, a guide path for magnetic detection is formed easily at a working site.
Patent JP-2001122418-A (JP)
Title: Belt conveying device and image forming device using the same
Inventor: IZEKI HIDEJI
IPC: G03G21/00
Filed: 1999-10-26
Abstract: PROBLEM TO BE SOLVED: To effectively prevent a meander control of conveyor belt from becoming impossible accompanying an attachment error at the time of attaching the conveyor belt. SOLUTION: A belt conveying device is provided with a conveyor belt 1 formed to an endless shape; and a plurality of rolls 2 for tensioning the conveyor belt 1 and circulating and conveying. A plurality of rolls 2 are provided with at least a driving roll 2a disposed at a fixed position against an axial direction and driving the conveyor belt 1; a steering roll 2b inclinably disposed and adjusting a meander of the conveyor belt 1; and a slide roll 2c movably disposed against an axial direction and driven-rotated with the conveyor belt 1. An elastic member 3 for restricting an axial movement is provided on the slide roll 2c.
Patent JP-2000132920-A (JP)
Title: Signal processor
Inventor: MATSUMOTO MASAHARU
IPC: G11B20/14
Filed: 1998-10-26
Abstract: PROBLEM TO BE SOLVED: To provide a signal processor which enables automatic processing adaptive to an input signal. SOLUTION: A signal processor 1 is provided with gaining means 16, 17 and 18 which receive a plurality of PCM coded signals S1∼S3 to gain sampling frequencies f1∼f3 of the plurality of signals S1∼S3, a control signal generation means 19 to generate a plurality of control signals C1∼C3 by comparing the sampling frequencies f1∼f3 of the plurality of signals S1∼S3 with a specified frequency fp and frequency conversion means 20, 21 and 22 to convert at least one of the sampling frequencies f1∼f3 of the plurality of signals S1∼S3 according to the plurality of control signals C1∼C3.
Patent JP-2000136479-A (JP)
Title: Nonwoven fabric for molding having biodegradability, its production and article having vessel shape using the same nonwoven fabric
Inventor: SUZUKI KATSUNORI
IPC: D04H3/007
Filed: 1998-10-27
Abstract: PROBLEM TO BE SOLVED: To obtain a readily moldable nonwoven fabric for molding having biodegradability and an article having vessel shape which is a molded product of the nonwoven fabric. SOLUTION: In this nonwoven fabric, fibers comprising polylactic acid and/or a thermoplastic polymer consisting mainly of polylactic acid are integrated and the polylactic acid and the thermoplastic polymer consisting mainly of the polylactic acid have >=100 deg.C melting point and double refractive index is <=0.015 and partly heat-fused areas in which fibers are mutually fused by softening or melting are arranged in scattered state and the sum of breaking elongation in vertical direction and breaking elongation in horizontal direction measured under atmosphere at 90 deg.C dry heat temperature are >=160%.
Patent JP-H02154008-A (JP)
Title: Drawing of polyvinyl alcohol-based fiber
Inventor: SANO HIROFUMI
IPC: D02J1/22
Filed: 1988-11-30
Abstract: PURPOSE:To stably obtain the subject polyvinyl alcohol-based fiber having high strength and high elastic modules by drawing a raw spun yarn of polyvinyl alcohol under a specified condition. CONSTITUTION:A raw spun yarn produced from a solution containing a polyvinyl alcohol with >=1,500 average polymerization degree is drawn at one or two or more stages using a system having a non-contact hollow heater between rollers and utilizing the heater at >=210 deg.C in an atmosphere containing >=85% N2 and at 0.05-5/min. rate of draw deformation give by the formula [DRn is draw rate in drawing at the n-th stage; HDn is draw ratio in drawing at the n-th stage; Vn is feed ratio (m/min.) in drawing at the n-th stage; Ln is length(m) of heater in drawing at the n-th stage] to obtain the objective fiber with >=1.8g/d draw tension and >=16 times total draw ratio at the final stage.
Patent JP-H08161394-A (JP)
Title: Simulation device
Inventor: TOBA HIROYASU
IPC: G06F19/00
Filed: 1994-12-08
Abstract: PURPOSE: To contrive compatibility with normal time direction simulation in the case of executing time reverse direction simulation. CONSTITUTION: A latest occurring event managing part 3 which selects the latest occurring event of the latest occurring time and executes the time reverse direction simulation, and a progress control means 41 to control the progress of work in a time reverse direction are provided, and the progress control means controls a prebuffer managing means 411 to dispatch an unstarted lot retained in a station in the time reverse direction, an ordinal relation, contradiction detecting means 4111 to detect the contradiction of the priority order of starting the work of the unstarted lot, a working resource operation managing means 412 to manage buffer storage capacity and the operation of a working resource such as equipment, a worker, and a jig, etc., in the station in the time reverse direction,  and a postbuffer managing means 413 to dispatch the work completed lot in the time reverse direction.
Patent JP-H06130234-A (JP)
Title: Optical fiber
Inventor: KOSAKAI SHOHEI
IPC: C08G77/08
Filed: 1992-10-16
Abstract: PURPOSE:To provide the plastic optical fiber consisting of the cured matter of organopolysiloxane which is used as core and is low in transmission loss and is not degraded in transparency even at a high temp. by changing the specific organopolysiloxane by the catalytic effect of a specific phosphorus compd. to a three-dimensional network structure of a high mol.wt., then curing the organopolysiloxane. CONSTITUTION:This optical fiber consists of the cured matter of the compsn. consisting essentially of the organopolysiloxane expressed by average unit formula R<1>aSiO(4-a)/2, the phosphorus compd. expressed by formula (R<2>)4POH and/or the cured matter of the compsn. consisting essentially of the organopolysiloxane contg. the phosphorus having the group expressed by formula identicalSi-O-P(R<2>)4. In formula, R1 denotes same or different 1 to 10C unsubstd. or substd. univalent hydrocarbon group or hydroxyl group, (a) denotes 1<=a<=1.8 positive number. R<2> in (R<2>)4POH denotes a substd. or unsubstd. univalent hydrocarbon group. R<2> in identicalSi-O-(R<2>)4 denotes a substd. or unsubstd. univalent hydrocarbon group. As a result, the optically and chemically stable core is obtd.
Patent JP-H08159363-A (JP)
Title: In-pipe repair machine
Inventor: MAEDA HIROTOSHI
IPC: F16L55/16
Filed: 1994-12-08
Abstract: PURPOSE: To provide an in-pipe repair machine hardly influenced by a condition on the internal surface of a pipe line such as pipe dislocation, and capable of travel in the pipeline more smoothly. CONSTITUTION: This machine is formed out of a body having a pair of front and rear disc type supports 6 jointed to each other via a shaft 7, an expandable cylindrical rubber sleeve 4 enclosing the body and having both ends fixed to the plates 6 in such a state as capable of free expansion and contraction, a ceramic heater 12 laid within the sleeve 4, and traction fittings 16 and travel wheels 17 laid on the lower sections of both support plates 6, and bullet type guide bodies 5 detachably mounted on the front and rear ends of the body. Also, the prescribed repair material is wound around the sleeve 4 before a repair process. In this state, the body is inserted in a pipe, and positioned at the required repair section.  Thereafter, the sleeve 4 is expanded with the air supplied from the ground and the repair material is pressed to the internal surface of the pipe via the expansion of the sleeve 4, thereby repairing the required section.
Patent JP-H08163327-A (JP)
Title: Image reader
Inventor: KITAHARA FUMIHIRO
IPC: H04N1/00
Filed: 1994-12-08
Abstract: PURPOSE: To surely sense a size of an original in the case of undefined size by moving a CCD or a read point of the CCD so that the read position of the CCD reaches a position of a black background. CONSTITUTION: A counter counts an interval of ON and OFF of carrier sensors 18, 19 under the management of a CPU 101. When a background color is selected to be a black color and a CCD 6 senses a change of black to white level change of an original, the CPU 101 conducts interrupt processing and the size sensing by the CCD 6 is started. The size of the original sensed by the carrier sensors 18, 19 is compared with the size of the original sensed by the CCD 6 are compared and the result of comparison (CCD counter-carrier counter) is stored in an EEPROM 105 and succeeding carrying control is executed based on the comparison result. For example, let the sensing by the CCD 6 be 420mm and the sensing by the carrier sensor be 418mm, then the succeeding speed of the original sensed by the carrier sensor is carried based on +2mm.
Patent JP-H05116904-A (JP)
Title: Production of interlayer compound
Inventor: FUJIMOTO HIROYUKI
IPC: C01B31/04
Filed: 1991-10-23
Abstract: PURPOSE:To obtain a fluorine-contg. graphite interlayer compd., especially a low-stage interlayer compd. in a short time in a high yield. CONSTITUTION:Gaseous fluorine is brought into contact with graphite under >=5atm pressure of gaseous fluorine. Especially when they are brought into a reaction under >=10atm, preferably >=50 atm pressure of gaseous fluorine, a first-stage compd. can be selectively obtd. in a short time in a high yield. The preferable reaction temp. is <=200 deg.C.
Patent JP-H07133283-A (JP)
Title: Aromatic beta-dimine-based compound
Inventor: NAKAJIMA KAZUAKI
IPC: C07B53/00
Filed: 1993-11-10
Abstract: PURPOSE:To obtain a new compound useful for synthesis of transition metal complex used as a catalyst in a chemical reaction. CONSTITUTION:A compound of formula I or formula II [X is B(OH)2, CONHRB (OH)2 or NHCORB(OH)2; R is a 1,3-di-substituted benzene], e.g. 2,2'- bipyridine-4,4'-diboronic acid. This compound of formula I wherein X is CONHC6 H4B(OH)2 is obtained by oxidizing a compound of formula III to give a carboxylic acid, reacting the carboxylic acid with thionyl chloride to afford an acid chloride and further reacting the acid chloride with 3-aminophenylboronic acid. An optically active metal complex capable of utilizing as an asymmetric catalyst is obtained by only mixing the compound with sugar and optical isomerism of the metal complex can freely be controlled by kinds of sugar add.
Patent JP-H02152527-A (JP)
Title: Fluid separation device
Inventor: HAZAMA SHOICHI
IPC: B01D61/34
Filed: 1988-12-05
Abstract: PURPOSE:To make the cleaning of polluted parts easy and to enable the adjustment of water removing quantity by providing a dialysis liquid vessel separately from a used dialysis liquid vessel the volume of which is larger than that of the dialysis liquid vessel and providing a water supply means to the used dialysis liquid vessel. CONSTITUTION:In the fluid separation device 1, the dialysis liquid vessel A to which dialysis liquid is supplied is connected with the used dialysis liquid vessel B which is larger in volume than the vessel A and dialysis liquid is discharged from. Both vessels are provided with respectively partitions 8, 18 to be allowed to supply/discharge dialysis liquid, and a pump 29 for adjustment of the water removing quantity is connected to the used dialysis liquid vessel B. As the supply and discharge of dialysis liquid are carried out separately by each vessel, the polluted parts are obvious and the cleaning, etc., is easy, and the water removing quantity from the liquid to be treated is finely adjusted by supplying the required dialysis liquid through the pump 29 for adjustment.
Patent JP-2001122498-A (JP)
Title: Image forming device
Inventor: NAMIKI HIROAKI
IPC: B65H7/06
Filed: 1999-10-27
Abstract: PROBLEM TO BE SOLVED: To provide an image forming device equipped with an enhanced aligning performance for sheet material on a sheet discharging tray by reducing a curl (warp) of each sheet discharged onto the discharge tray. SOLUTION: A sheet material S having passed between a photosensitive drum 7 and a transcription roller 10 and undergone a transcription of a toner image is passed through a fixing nip of a fixing device 15 so that a heat fixation process is executed. The sheet material S passes a curl correcting device 25 and is discharged onto a sheet discharge tray 34 by either of the face-up paper discharge and face-down discharge. The sheet discharging part is finished with a plurality of optical range sensors 35a, 35b, 35c. The sensors 35a and 35b, one of them not being illustrated, measure the distances to the surfaces at the sides of sheet in its width direction. The sensor 35c measures the distance to the surface of the central part of sheet across the width positioned ahead of the other sensors 35a and 35b.  A CPU 50 judges the curled condition of the sheet S on the basis of the distances measured by the sensors 35a, 35b, 35c and in accordance with the determined curled condition, controls a solenoid 26a of a flapper 26 to select the pas (to bend upward or downward) in the curl correcting device 25, and also controls a motor 25m which changes the amount of bending.