baber/WOPTO huggingface dataset:
Patent JP-S5298259-A (JP)
Title: Corrosion proofing of heating pipe used in heat exchanger
Inventor: OZAKI TOSHINORI
IPC: F28F19/06
Filed: 1976-02-16
Abstract: PURPOSE: To prevent the crevice corrosion of heating pipe in contact with static water by feeding into the pipe a sacrifice anode metal powder and a salt solution thereof, during when the heat exchanger is off operation, and conducting electrolysis so as to form an electrode position layer of the metal on the inside surface of the pipe. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-2000211385-A (JP)
Title: Steer drive unit of running vehicle
Inventor: IRIKURA KOJI
IPC: B60K17/10
Filed: 1999-01-22
Abstract: PROBLEM TO BE SOLVED: To make compact and improve maintainability of a device which is configured such that two HST are connected, one of which is for running and the other for steering, so that a pair of left and right axles can be driven and running is made possible at the same time. SOLUTION: A steer drive unit of a running vehicle has a running drive HST 21 and a steering HST 22 each comprising a hydraulic pump, a hydraulic motor, and an oil passage fluidly coupling the two, and a differential gear 5 which is interlockingly coupled to respective output shafts of hydraulic motors 53, 72. In this steer drive unit, a pair of left and right axles 40L, 40R interlockingly coupled to the differential gear 5 are driven for steering. Oil passages for connecting the hydraulic pumps and the hydraulic motors (52, 53, 71, 72) of the HST 21, 22 and are provided inside two separate center sections 51, 75.
Patent JP-S57131248-A (JP)
Title: Polyamic acid solution composition and preparation thereof
Inventor: INAIKE TOSHIHIRO
IPC: C08G73/00
Filed: 1981-02-05
Abstract: PURPOSE: To obtain a polyamic acid soln. suitable for paints and having excellent can-stability, by reacting biphenyltetracarboxylic dianhydride with an  arom. diamine in an org. polar solvent contg. water, and then removing free water in the resulting reaction liquid.  
     CONSTITUTION: Biphenyltetracarboxylic dianhydride and an arom. diamine compd. such as 4,4'-diaminodiphenyl ether are used in equimolar amounts, and reacted together in an org. polar solvent, such as N-methyl-2-pyrrolidone, contg. water in an amount of 0.5W40-fold mol per mol of said acid dianhydride at 100°C or lower to produce a homogeneous reaction soln. Free water is removed from said reaction soln. until the water content of the soln. is lowered to 0.5wt% or lower while measuring the water content by nuclear magnetic resonance spectrum, to obtain the desired polyamic acid soln. compsn. This compsn. has a low soln. viscosity though it contains the polymer at a high concn. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-H02198060-A (JP)
Title: Disk loading and ejecting device
Inventor: YAMADA YUICHI
IPC: G11B17/04
Filed: 1989-01-26
Abstract: PURPOSE:To make the capacity and the size of a motor being a drive means small by providing a wheel-like projection to either a case or a frame and an engaging slot to the other so as to apply relative movement between the case and the frame. CONSTITUTION:The circumference of a couple of rolls 2a,2b and 2c is in one point contact with one end face of a slot 19 of a moving plate 10 or a end face of a tilt slot 7 of a pocket 6 and moved by rolling friction only while the moving plate 10 is moved horizontally and the pocket 6 is moved horizontally and vertically in the case of loading or ejection of a cassette. Moreover, a longitudinal slot 8 of the pocket 6 and a rectangular hole 9 are in one-point contact with the circumference of a couple of the rolls 2a,2b of the frame 1 and moved by rolling friction only. Since a small torque required for the movement is enough, the capacity and size of the motor being a drive means are reduced.
Patent JP-S62172387-A (JP)
Inventor: KUNIGAMI CHIZURU
IPC: G06K15/00
Filed: 1986-01-27
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H04242371-A (JP)
Title: Control method for facsimile equipment
Inventor: FUJIWARA YASUSHI
IPC: H04M3/54
Filed: 1991-01-16
Abstract: PURPOSE:To identify whether a picture received at a transfer destination is transferred or directly received by improving the convenience of use of a transfer function. CONSTITUTION:A control section 1 implement control processing and facsimile transmission control procedure processing of each section of a facsimile equipment. A system memory 2 stores plural sets of transfer destination information comprising a set of identification information of an opposite terminal equipment at the reception of picture information and a transfer destination of received picture information. When the picture information is received while the transfer mode is set, the received picture information is stored once and the received picture information stored is transferred to the transfer destination stored with respect to the opposite terminal equipment. Moreover, a picture of a mark representing transfer is added to received picture information transferred to the transfer destination.
Patent JP-H01190147-A (JP)
Title: Transmission system
Inventor: NAKAMURA TERUHITO
IPC: H04Q9/00
Filed: 1988-01-26
Abstract: PURPOSE:To ensure the management of the connecting state of each terminal equipment by providing a function applying polling in the order of address during the transmission stop between terminal equipments in a transmission system where optical space transmission systems ore mixed and a function detecting the reply from the terminal set to be accessed. CONSTITUTION:A wired transmission line l0 and a space transmission unit 101 are provided to the ceiling in the LAN and a space transmission unit 111, a personal computer 211 such as a terminal set and a transmission line l1 constitute the system on ground and the management unit 3 is provided. A signal processing circuit 9 in the unit 3 sends a management signal to each terminal set in the order of address through a management signal sending circuit 12 when a transmission line busy state detection circuit 10 detects the non- transmission state. In this case, when no reply signal is detected, the terminal set is discriminated to be faulty and the result is displayed on a display device.
Patent JP-H04255018-A (JP)
Title: Drive number display system
Inventor: MOROFUJI KAZUO
IPC: G06F3/048
Filed: 1991-02-06
Abstract: PURPOSE:To make it unnecessary to store drive numbers or check the drive numbers by an operator himself (or herself) based upon the issue of a command by providing this drive number display system with a drive number display device for displaying respective drive numbers for plural aux. storage devices included in a computer system. CONSTITUTION:When a power supply for a computer body 1 is turned on, an OS 15 is loaded from a hard disk drive 7 to a main storage device 6 and executed by a central processor 5. A nucleus 16 executes a specific instruction included in a hard disk drive control device 24. The disk drive 7 is connected to the control part 24 and contents that three divided areas can be utilized as respective drives are informed to the nucleus 16. Then the nucleus 16 issues a specific instruction stored in a control part 29 and allocates drive numbers to respective areas of the drive 7 and floppy disk drives 9, 8, 12, 13. Then the nucleus 16 issues an instruction for displaying these drive numbers and the drive numbers are displayed on a display device 14.
Patent JP-S56111144-A (JP)
Title: Program search system for tape recorder
Inventor: SANO SHINYA
IPC: G11B27/32
Filed: 1980-02-08
Abstract: PURPOSE:To enable accurate program search with the program search signal prerecorded at recording, by recording the program search signal for a given time from the start of recording and detecting the presence of the program search signal in relating to the run direction of tape in case of program search. CONSTITUTION:A program search signal 5 is recorded on a signal recording track 3 for the program search for a given time from a recording start position A, e.g., from the position A to B. In case of program search, for example, in program search from the position C, first the tape is run forward to detect the presence of the program search signal. In this case, since no program search signal is present, forward run is continued and stopping is made at the presence of the program search signal to enable the program search of the position A. In searching the program search from the position D, when forward run is made, the program search signal is present, then the tape is reversed. When the program search signal is disappeared, the tape is stopped, allowing to stop the tape at the position A.
Patent JP-H03219202-A (JP)
Title: Manufacture of directional optical coupler
Inventor: YASUOKA NAMI
IPC: G02B6/12
Filed: 1990-01-25
Abstract: PURPOSE:To obtain the small-sized and low-loss directional coupler by forming the lower clad layer of the noncoupling part of an S-shaped optical waveguide in a ridge shape. CONSTITUTION:An upper clad layer 31, a core layer 21, and the lower clad layer 11 are etched individually by using two kinds of masks, i.e. 1st mask having a specific Y-branch part shape and 2nd mask which is larger than the 1st one. Then the 1st mask is used for the upper clad layer 31, and the core layer 21 is etched with an anisotropic etchant enabling selective etching. Two optical waveguides have upper clad layers 31, core layers 21, and lower clad layers 11 formed in a ridge shape at the noncoupling part, namely, a mutual branching part and the upper clad layers 31 are formed in the ridge shape having the specific branch shape at the Y branch part. Consequently, the zero- gap optical directional optical coupler which has small mode conversion loss is obtained.
Patent JP-2000210809-A (JP)
Title: Throw-away type ball end mill and cutting blade tip
Inventor: OGISO NOBUFUMI
IPC: B23C5/20
Filed: 1999-01-25
Abstract: PROBLEM TO BE SOLVED: To provide a throw-away type ball end mill that is high in setting strength and installation accuracy of a cutting blade tip, excellent in anti- vibration quality in cutting and is constructed by two identical cutting blade tips. SOLUTION: The upper surface 7 of a cutting blade tip 1 is formed by a cylindrical surface 7a protruded making about bisector L of about a quarter circle to be the highest position and plane 7b. The planes 2, 3 of a tip side are planes to be supported at the tip seat. The crossing angle θ of the planes 2, 3 is formed to be larger than 90 deg. and at most 100 deg.. One side of the cutting blade tip 1 is arranged so that its about one-quarter fan end may cross a little with a turning axis O of a tool. The identical cutting blade tip 1 is attached in symmetrical with the axis and then about one-quarter fan end is arranged close to the cutting blade tip 1 without crossing with the turning axis O of the tool.
Patent JP-S53100529-A (JP)
Title: Air spring apparatus for use in suspension of vehicle
Inventor: URUSHIYAMA GOROU
IPC: B60G17/056
Filed: 1977-02-15
Abstract: PURPOSE:To provide an air spring apparatus for use in suspension of vehicle, which is imparted with vehicle-height adjusting function, by providing upper and lower diaphragms in a casing, having therein upper and lower oil chambers respectively connected with vehicleheight adjusting valve and damper, and introducing spring air into a space formed between the above two diaphragms and connecting a member for actuating said vehicle-height adjusting valve to the lower diaphragm.
Patent JP-S55108036-A (JP)
Title: Keyboard input unit
Inventor: HAMAGUCHI MASANORI
IPC: G06F15/02
Filed: 1979-02-15
Abstract: PURPOSE: To enable to perform characteristic calculation, by keying in only the data to be changed while keeping other data as they are, through the procision of the exclusive use keyboard input unit to perform the characteristic caluclation for circle diagram of an induction motor with the computer.  
     CONSTITUTION: The data such as the capacity 11, winding resistance 12, winding temperature 13, no load voltage 14, no load current 15, no load input 16, rated frequency blocking voltage 17, rated frequency blocking current 18, rated frequency blocking input 19, low frequency blocking voltage 20, low frequency blocking current 21, low frequency blocking voltage 22, winding temperature at blocking test 23 are inputted from the keyboard. Further, decimal point and numeric key 2, entry key 3 are used and operation key 4 of +, -, ×, ÷ is used as required. The type of circle diagram and the type of insulation are designated with the toggle switch. After the data of 15 items are inputted, the result of calculation is printed with the printer by depressing the characteric calculation execution key 5. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H05218398-A (JP)
Title: Electrostatic induction type semiconductor device
Inventor: YAMAMOTO MUNEKORE
IPC: H01L29/74
Filed: 1992-01-30
Abstract: PURPOSE:To prevent a reverse bias stable operation region (RBASO) from being narrowed, by reducing concentration of an electric current even when the value of a negative gate current which flows at the turn-off time is increased. CONSTITUTION:An N<+> source region 34 is provided on the upper layer part of a P<-> type channel region 33 provided within a P-type gate region 35. The source region 34 includes a plurality of regions arranged in a direction and a region arranged in the direction passing through the center of each of the plural regions to connect with each other, and a gate electrode 38 is provided on the gate region 35 surrounding the channel region 33 to surround the source region 34. The center of the source region is lastly switched off at the turn-off time. In this case, a current remains at the center thereof but since the source region 34 is also arranged in the direction passing through the center thereof to connect with each other, the concentration of an electric current is reduced in a linear form to prevent RBASO from being narrowed.
Patent JP-H06278389-A (JP)
Title: Plastic card with magnetic stripe
Inventor: OKAZAKI MASAAKI
IPC: B42D15/10
Filed: 1993-02-02
Abstract: PURPOSE:To obtain a plastic card that is remarkably difficult to forge or alter and easily discrimate a forged item in appearance by a method wherein one of first and second magnetic recording layers has a coercive force twice or more higher than the other and a Curie point lower than the other by a specific temperature or higher, and the saturation writing currents of the both are substantially made equal by heating the both in a temperature range from the lower Curie point down to a point a specific temperature lower than this point. CONSTITUTION:One of first and second magnetic recording layers 13, 14 has a coercive force twice or more higher than the other and a Curie point Tc lower than the other by 100 deg.C or higher, and the saturation writing currents of both the recording layers 13 and 14 are substantially made equal by heating the both in a temperature range from the Curie point Tc of the magnetic recording layer having the lower Curie point Tc down to a point 30 deg.C lower than the Tc. In this manner, the recording layer 13 serves as a magnetic layer having a high coercive force and a low Curie point, and the recording layer 14 serves as a magnetic layer having a low coercive force and a high Curie point, and vice versa. It is difficult that magnetic information simultaneously written at the same current value are simultaneously rewritten using a normal magnetic recorder.
Patent JP-H03219816-A (JP)
Title: Sheet for animal
Inventor: ITO HIROSHI
IPC: G01N33/48
Filed: 1990-01-25
Abstract: PURPOSE:To make possible to know physical condition of an animal by detecting components of excrement of the animal by nipping a third sheet between a liquid-permeable sheet and a liquid-impermeable sheet and performing dipping, applying or printing, etc., of a required component to at least one of the every sheet. CONSTITUTION:A third sheet such as paper or nonwoven cloth is nipped between a first sheet (e.g. nonwoven cloth of rayon) having a permeable property of a liquid containing excrement of an animal such as urine and a second sheet such as a plastic film impermeable of a liquid. Required components, e.g. a reagent for qualitative or quantitative analysis of pH, protein, glucose or occult blood in urine, a drug for eliminating bacteria, an aromatic or a deodorant, is dipped, applied or printed on the top sheet among said sheets to afford the objective sheet for an animal.
Patent JP-S60158244-A (JP)
Title: Vinyl chloride resin composition
Inventor: YAMANE KAZUMASA
IPC: C08L27/06
Filed: 1984-01-30
Abstract: PURPOSE:The titled composition improved in weather resistance, matting effect and impact resistance, prepared by adding a specified graft copolymer to a vinyl chloride resin. CONSTITUTION:Use is made of a graft copolymer obtained by grafting 20- 70pts.wt. monomer component comprising 0-100wt% alkyl methacrylate, 10- 90wt% vinylaromatic compound and 0-50wt% unsaturated nitrile onto 30- 80pts.wt. rubbery copolymer produced from 100pts.wt. monomer comprising 80- 100wt% alkyl acrylate and 20-0wt% monovinylidene compound and 0.1- 8pts.wt. crosslinking agent. Namely, 5-25pts.wt. above graft copolymer is mixed with 100pts.wt. (partially crosslinked) vinyl chloride resin (of a gel content of 0.5-25wt%).
Patent JP-S62175204-A (JP)
Title: Pneumatic radial-ply tire for passenger car
Inventor: YAMASHITA TAKASHI
IPC: B60C19/00
Filed: 1986-01-29
Abstract: PURPOSE:To make improvements in steering safety and driving comfortableness at both dry and wet roads, by specifying each of area ratios and angles or the like at each groove, in case of asymmetric block patterns that set up each subgroove of plural straight grooves on a tire tread. CONSTITUTION:On a tire tread, there are provided with plural straight grooves 1 as annular from in the tire circumferential direction E-E' from each straight groove 1 are set up there as well, whereby each block m is formed. in the abovementioned asymmetric block patterns, a groove area ratio of a half (a) of the radial inside at the time of being installed in a vehicle is set to be 1.2 to 1.4 times over a groove area ratio of a half (a) at the radial outside. And, an angle thetac to the tire circumferential direction E-E' of a subgroove 2c at the central part in the radial direction is set to a range of 45 to 75 degrees. In addition, an angle thetas to the tire circumferential direction E-E' of a subgroove 2s at both ends in the radial direction is set to a range of 65 to 90 degrees, and it is made larger as much as more than 5 degrees than the angle thetac of the subgroove 2c.
Patent JP-H07207481-A (JP)
Title: Bubble collecting type gas diffusion electrode
Inventor: FURUYA CHOICHI
IPC: C25B11/02
Filed: 1994-01-14
Abstract: PURPOSE:To operate an electrode with a smaller quantity of bubbles and high current density by providing plural hydrophilic parts horizontally extending and vertically separated on the surface of a water-repellent gas diffusion layer provided on a reaction layer. CONSTITUTION:A bubble collecting type gas diffusion electrode is constituted by joining a reaction layer 1 including a platinum catalyst and a water-repellent gas diffusion layer 3 through which a current collecting net 2 is inserted. The gas diffusion electrode is immersed in a electrolyte, and bubbles discharged and mixed into the electrolyte are collected on the surface of the gas diffusion layer 3, and diffused into it, and as reaction gas, cause a cell to be operated. In the bubble collecting type gas diffusion electrode, the gas diffusion layer 3 is made to have such a water repellency that the contact angle with water is >=90 deg., and also plural hydrophilic parts 4 having <90 deg. contact angle with water continuously or intermittently extending in the horizontal direction are provided on the surface of the gas diffusion layer 3, vertically separated from each other. In this way, the rise of the bubbles collected on the surface of the gas diffusion layer 3 is temporarily blocked by the hydrophilic parts 4 to form the accumulation of the bubbles, and the quantity of reaction gas held on the surface of the electrode is increased.
Patent JP-S63186526-A (JP)
Inventor: SHIMIZU MOTOHISA
IPC: H02H7/122
Filed: 1987-01-26
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-S61175913-A (JP)
Title: Magnetic head
Inventor: ITO YONEZO
IPC: G11B5/187
Filed: 1985-01-30
Abstract: PURPOSE:To generate no coil-cut even if a coil and the tip of a head are made to approach each other unlimitedly, and to improve the high density recording and the reproducing output by making the coil shape by a smaller radius than a spherical radius of the head, in the magnetic head whose tip shape is a spherical type. CONSTITUTION:A shape of a coil 1 is made by a smaller radius than a spherical radius of a head tip 5, by which the coil 1 is not cut even if a distance 4 between the coil tip and the head tip is made to approach unlimitedly, in a spherical surface polishing process. Also, the coil shape can be changed easily to a curve from a straight line and can be mass-produced enough by applying a vapor-depositing technique and an etching technique of a photoresist and a metal which are used for manufacturing a semiconductor, etc.
Patent JP-H06200733-A (JP)
Title: Muffler for general purpose engine
Inventor: KOBAYASHI KAZUYUKI
IPC: F02B27/06
Filed: 1993-01-06
Abstract: PURPOSE:To provide a muffler for a general purpose engine having effective silencing function without the lowering of output in a wide range of operating conditions by providing this fixed capacity type muffler for the general purpose compact engine integrally with built-in variable throttle mechanism. CONSTITUTION:A muffler for a general purpose engine has an exhaust inlet pipe 11 and an exhaust outlet pipe 15 connected to a muffler body 12, closed by end plates 12a, 12b at both ends, in such a way as to be communicated with the inside of the muffler body 12. Such a muffler is provided with a vent pipe with its tip closed along the longitudinal direction of the muffler body 12. The vent pipe is provided with plural elongated holes 18 and plural small holes bored in this order along the axial direction from the tip side of the vent pipe, and partition plates 13 for partitioning the inside of the muffler body 12 are slidably mounted to the outer periphery of the bored part of the elongated holes 18 of the vent pipe, through springs for energizing these partition plates 13 toward the tip of the vent pipe.
Patent JP-H08210028-A (JP)
Title: Lateral frame of sash
Inventor: GOUBAYASHI KATSUNORI
IPC: E06B3/00
Filed: 1995-02-02
Abstract: PURPOSE: To reinforce the lateral frame of a sash forming a bay window or an overhang window and gain the overhang length of the lateral frame from an opening part without enlarging aspect width. CONSTITUTION: The lateral frame of a sash is constituted of a lateral frame member 2 formed of a face piece 21 supported to a building frame 5 around an opening and a depth piece 22 projecting to the outdoor side from the face piece 21, and a reinforcing member 3. The reinforcing member 3 is jointed in the overlapped state to the face piece 21 and depth piece 22 of the lateral frame member 2.