baber/WOPTO huggingface dataset:
Patent JP-H0758445-A (JP)
Title: Printed wiring board and manufacture thereof
Inventor: SUGII TAKESHI
IPC: B26F1/00
Filed: 1993-08-10
Abstract: PURPOSE:To enhance the connection strength and reliability of mounted components especially in relation to a component mounting single surface printed-wiring board and the manufacturing method thereof. CONSTITUTION:An insulating substrate 12 on whose one side surface a wiring pattern 4 and a land 5 for connecting to the lead terminal 7 of a mounted component 6 are formed is provided with a through hole 13 passing through the central part of the land 15 for making the lead terminal 7 pass therethrough while a part 15a of the land 15 is expanded by burring step on the inner wall of the through hole 13 position before it is provided. At this time, the burring step is to be performed simultaneously with the boring step for the through hole 13 using a burring punch having angle protrusion on the front edge thereof. Furthermore, as for the equalizing means of the burring step on the peripheral wall of the through hole 13, a small hole is previously made in the central part of the land 15 or an underneath hole is previously made using a drill from the nonlinear surface of the insulating substrate.
Patent JP-H08238420-A (JP)
Title: In-line exhaust system and method of using this
Inventor: UIRIAMU HAATORU
IPC: F01N3/20
Filed: 1995-08-02
Abstract: PROBLEM TO BE SOLVED: To reduce harmful substances such as hydrocarbons contained in exhaust gas in an engine exhaust system. SOLUTION: An exhaust gas discharged from an engine is passed through a main catalyst converter 35 of a light-off temperature, through a molecular sieve structure 10, and through a burn-off catalyst converter 40 in sequence. The molecular sieve structure of a desorption temperature has the first substantially unobstructed flow region 15 and the second substantially unobstructed flow region adjacent to the first flow region. A part of the exhaust gas passing through the molecular sieve structure passes through the first flow region 15 to heat the converter 40 to a light-off temperature, and another part of the exhaust gas passes through the second flow region to make hydrocarbon and others be adsorbed on the molecular sieve structure.
Patent JP-2001022018-A (JP)
Title: Silver halide photographic sensitive material and its manufacture
Inventor: KUBODERA MITSUHIRO
IPC: G03C1/015
Filed: 1999-07-12
Abstract: PROBLEM TO BE SOLVED: To provide the silver halide photographic sensitive material small in occurrence of fog in color development at high developing temperature and high in aptitude to ultrahigh speed processing and sensitivity and stable in performances in manufacturing lots and to provide its manufacture. SOLUTION: The silver halide photographic sensitive material is provided with at least one of silver halide emulsion layer containing >=90 mol% silver chloride on a support and at least one kind of N-containing heterocyclic mercapto compound is added into this emulsion between a process before the end of chemical ripening (process A) and the following process (process B), and an addition amount in the process B is more than that in the process A.
Patent JP-H0845457-A (JP)
Title: Ion source device
Inventor: MIYAKE KOJI
IPC: H01J27/18
Filed: 1994-07-29
Abstract: PURPOSE:To downsize and easily produce an inexpensive ion source device of large output by combining a microwave plasma cathode, a magnetic field application means formed of a magnet body, a main plasma chamber, and an ion extraction electrode in a specified attitude. CONSTITUTION:Auxiliary plasma 32 is generated in an auxiliary plasma chamber 2 by microwave discharge and high-density plasma based on the auxiliary plasma 32 is enclosed by applying axial magnetic fields formed in respective electron emission holes 39 and DC field between an intermediate plate 36 and a base lid 37. Then, the axial magnetic fields are formed of respective magnet bodies 35 and magnetic circuit between the intermediate plate 36 and the base lid 37. The DC field is applied by a cathode power supply. Electrons are supplied from the auxiliary plasma 32 to the main plasma chamber through respective electron emission holes 39 by applying DC voltage of the discharge source between a main casing and the base lid 37, main plasma by DC discharge is formed, and an ion beam is extracted from the main plasma by ion extraction action of the ion extraction electrode.
Patent JP-2000105215-A (JP)
Title: Oxygen sensor
Inventor: KANO KOJI
IPC: G01N27/407
Filed: 1999-07-12
Abstract: PROBLEM TO BE SOLVED: To provide an oxygen sensor having an excellent responsiveness, a simple shape, a little mass increase and a little reduction in an aseismatic property and impact resistance. SOLUTION: In this oxygen sensor 1, a detection surface 31 for detecting an oxygen is formed on one surface of a plate-like sensor element 30; the sensor element 30 is surrounded by a cylindrical protector 21; the sensor element 30 is faced to the inside of an exhaust passage of an engine with the protector 21; and the oxygen component of the exhaust gas is detected. In this case, when a distance from one surface of the plate-like sensor element 30 to an inner periphery of the protector 21 is defined as a first distance and a distance from the other surface of the plate-like sensor element 30 to the inner periphery of the protector 21 is defined as a second distance, the first distance is made bigger than the second distance.  Thereby, a space at the detection surface side is broadened, an exhaust gas stably flows to the detection surface side and a responsiveness of the oxygen sensor is enhanced.
Patent JP-S58101191-A (JP)
Title: Preparation of mesophase pitch and carbon fiber from said pitch
Inventor: SUGIOKA TAIZOU
IPC: C10C3/10
Filed: 1981-12-10
Abstract: PURPOSE:To obtain a pitch of high quality in easy steps, by heat-treating a pitch at a specific temperature, and separating the resultant pitch containing the mesophase at a temperature of the softening point or above by a separating means with a difference in specific gravity. CONSTITUTION:A pitch is heat-treated at 350-450 deg.C to give a pitch containing 10-80wt% mesophase, which is then separated at the softening point or above, usually at 250-380 deg.C, by a separating means with the specific gravity difference to afford the aimed pitch containing substantially 100% mesophase. USE:The resultant pitch is spun, made infusible and calcined to give pitch type carbon fibers.
Patent JP-S58103806-A (JP)
Title: Controller for electric rolling stock
Inventor: TOKUOKA KENJI
IPC: H02P7/298
Filed: 1981-12-10
Abstract: PURPOSE:To simplify a power drive stop notch control circuit by connecting a DC transformer between the common connecting point of main smoothing reactors of respective phases and a terminal of a chopper, which is not at a load side. CONSTITUTION:The currents of the armatures 5A, 5B of a DC compound motor are controlled by choppers 9, 10 which are connected in multiplex in polyphase. The voltages of the choppers 9, 10 at a load side are repectively supplied through a full-wave rectifier 13 to shunt fields 5C, 6C. A DC transformer 15 is connected between the common connecting point of main smoothing reactors 7, 8 of respective phases and a terminal of choppers 9, 10 which are not at a load side. In this manner, a DC transformer 16 detects the difference between the voltage of a filter condenser 3 and the counterelectromotive force of the motor during power drive, and detects the counterelectromotive force of the motor during the regenerative drive. Accordingly, a power drive stop notch control circuit can be simplified.
Patent JP-H0731301-A (JP)
Title: Digger
Inventor: FUJIKI KATSUMI
IPC: A01G23/04
Filed: 1993-07-14
Abstract: PURPOSE:To secure a sufficient climbing angle of a digging unit in a digger equipped with the digging unit and a crane unit at the front part by moving the crane unit to the rear side. CONSTITUTION:This digger is equipped with a digging unit 12 having a vibrationally rotating blade 20 at the front part of the machine body 10 so that the digging unit may turn left and right and perform an elevation and declination motion. This digger is equipped also with a crane unit 14 supporting a telescopic arm 44 by a standing base post 42 set to a support base 50 attached to a vertical mounting shaft 46 at the front part of the machine body 10 and turnable left and right so that the arm 44 may perform an elevation and declination motion. The base pole 42 is allowed to overlap the vertical mounting shaft 46 within an area of the lateral projected plane.
Patent JP-S6175577-A (JP)
Title: Axial flow laser oscillator
Inventor: KUZUMOTO MASAKI
IPC: H01S3/097
Filed: 1984-09-21
Abstract: PURPOSE:To obtain the prescribed laser output even in different commercial frequency district by providing control means for controlling the flow rate of a laser gas flowing in a discharge tube, thereby eliminating a waste of flow ing the gas flow rate more than required. CONSTITUTION:An inverter 6 for varying a blower drive frequency of a root blower 2 is coupled with a power source 100, and constructed to vary the frequency in accordance with power. As a discharge power rises, a laser output tends to saturate, and this saturating tread is transferred to a high output side as a gas flow rate QN increases. The discharge power is measured from the power source 100, and the frequency of the inverter is controlled to optimize the gas flow rate.
Patent JP-S6354982-A (JP)
Inventor: YUKI TADAHIRO
IPC: B08B3/02
Filed: 1986-08-23
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-H0617197-A (JP)
Title: Precipitation hardening type stainless steel excellent in strength and corrosion resistance
Inventor: YOKOTA HIROSHI
IPC: C22C38/28
Filed: 1992-06-30
Abstract: PURPOSE:To obtain precipitation hardening type stainless steel having excellent seawater corrosion resistance as well as having good cold workability and machinability in a solid-solution heat treated state and also excellent in toughness while it has high strength after precipitation hardening. CONSTITUTION:This stainless steel is a one contg., by weight, <=0.020% C, <=0.50% Si, <=1.00% Mn, <=0.005% S, 5.00 to 7.50% Ni, 14.5 to 17.0% Cr, 1.00 to 2.50% Mo, 0.50 to 0.100% N, 0.50 to 4.00% Cu and one or two kinds of 0.05 to 0.40% Nb and 0.05 to 0.20% Ti, and in which 6.8<=Ni+27(C+N)-3.5(Nb+2Ti)<=8.0 and 2.0<=(Nb+2Ti)/(C+N)<5.5 are satisfied and its structure after precipitation hardening is formed into a two phase structure of martensite and austenite as well as the amt. of the austenitic phase is regulated to 10 to 30%. If required, one or two kinds among B, Ca, Mg and rare earth metals are added to improve its workability.
Patent JP-S6259321-A (JP)
Title: Ventilating fan
Inventor: HASHIMOTO HIROSHI
IPC: F24F7/013
Filed: 1985-09-06
Abstract: PURPOSE:To provide a ventilating fan which has a simple and small sized open and close mechanism and is trouble-free, thin type, and simultaneously stable in quality by installing a spring to close an opening to hold shutter plates in closed condition at the non-conduction time and also a displacement member which rotates the shutter plates into open direction at the conduction time between a connecting rod uniting a plurality of the shutter plates and a ventilating fan mainbody. CONSTITUTION:A spring 4 closing an opening which is made of spring steel and has spiral shape is installed between a ventilating fan mainbody 1 and a connecting rod 3 and pull the connecting rod 3 with force in one direction. On the ventilating fan mainbody 1, a terminal 7 composed of insulating material is attached and between this terminal and the connecting rod 3, and a spiral-shape displacement member made of Ni-Ti alloy metal etc. is installed. When electricity does not flow in an electric wire 9, the connecting rod 3 uniting each shutter plate 2 is pulled up so as to make support pins 6 as rotation centers and therefore, the shutter plates 2 are in the condition to close the opening part of the ventilating fan and the displacement member is kept in elongated condition. Then when electricity flows in the electric wire 9, the displacement member 8 is shortened and as the force to pull down the connecting rod is against and stronger than that of the spring 4 closing an opening, the connecting rod is pulled down to open shutter plates 2 so as to make the support pins 6 as rotation centers.
Patent JP-H0487783-A (JP)
Title: Multifunctional electric tool
Inventor: CHIEN TE FUU
IPC: B25F3/00
Filed: 1990-07-27
Abstract: PURPOSE: To adapt a single tool body to the whole tool heads by joining a reduction gear installed on a separating tool head to an electric motor of a main body. CONSTITUTION: A tool head 2 contains a reduction gear 20 and a blind hole 21. This reduction gear 20 is symmetrical with a driving gear 14 of a main body 1 to be driven by the driving gear 14. The blind hole 21 is formed to insert the extending end 13 of a safety switch 11. Next, when either of this tool head 2 is joined to the main body 1, the extending end 13 of the safety switch 11 is inserted into the blind hole 21. In this, the driving gear 14 performs machining by driving the tool head 2 when an electric motor 10 is rotated when a circuit is close after mutually connecting the connecting part 110 and the connecting part 111.
Patent JP-S5988386-A (JP)
Inventor: USUI MASAYOSHI
IPC: C04B41/70
Filed: 1982-11-11
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-2000085072-A (JP)
Title: Decorative sheet and wooden decorative laminate
Inventor: SAKAMOTO TORU
IPC: B32B27/32
Filed: 1999-07-12
Abstract: PROBLEM TO BE SOLVED: To provide a decorative sheet excellent in adhesion with a wooden plate, blocking resistance in manufacturing, a print coating property, and weather resistance, and a wooden decorative laminate formed by bonding the decorative sheet on the wooden plate. SOLUTION: A decorative sheet comprises a transparent base material sheet 1 formed by a resin composition containing a high density polyethylene or isotactic polypropylene, a transparent acrylic resin sheet laminated on the transparent base material sheet 1, a grain-like pictorial pattern layer 4 provided on at least one of the sheet surfaces of the transparent base material sheet 1 or the transparent acrylic resin sheet such that the back surface can be transparently visible. In this case, a primer layer 2 containing an acrylic urethane resin is further provided between the transparent base material sheet 1 and the grain-like pictorial pattern layer 4.
Patent JP-S6177219-A (JP)
Inventor: OGATA MASAO
IPC: H01H51/22
Filed: 1984-09-21
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-H0924618-A (JP)
Title: Ink jet recording device
Inventor: SAITO HIROYUKI
IPC: B41J2/175
Filed: 1995-07-10
Abstract: PROBLEM TO BE SOLVED: To surely prevent ink leakage with a small-sized device by a structure wherein an ink receiving part for receiving leaked ink is provided on the course for guiding the ink leaked through the joint part between a recording head and an ink tank to a waste ink well. SOLUTION: Ink tanks 1 and a recording head 2 at the printer part of an ink jet recording device are arranged on a carriage 4. In coping with the ink leaked out by some accident through the periphery of the joining part between the ink tank 1 and the recording head 2 or of the joint seal 3, a drip pan 9 integral with a protective cap arm 6 is provided as an ink receiving part. Since the leaked-out ink falls down in a space between the carriage 4 and the recording head 2 as a running course and consequently all the fallen-down ink is caught by the drip pan 9, the drip pan 9 is formed to be larger in a planar view than the recording head and, at the same time, than the inserting port of the recording head 2 in the carriage 4.
Patent JP-H08304320-A (JP)
Title: Contact gas sensor
Inventor: YAKOBUSU HENDORITSUKU BISAA
IPC: G21C13/02
Filed: 1995-08-03
Abstract: PROBLEM TO BE SOLVED: To obtain a gas sensor having high sensitivity and durability by providing a sol-gel machined catalyst layer on a temperature measuring layer formed on a basic material. SOLUTION: In the contact heat quantity analyzing sensor, a temperature measuring layer 32 is formed on a basic material 30. A catalyst layer 34 formed by sol-gel machining is subjected to oxidation of a combustible gas at a temperature of 300-500 deg.C above the temperature measuring layer 32. The basic material 30 preferable has thickness in the range of 500-1000nm and composed of a material having low thermal conductivity, e.g. ceramic or silicon having micromachined structure. The ceramic material preferably includes aluminum oxide, silicon oxide, polysilicon, silicon nitride and combinations thereof. The catalyst layer 34 is a thin coating of alumina and/or silica having large surface area subjected to sol-get machining. It can be machined easily and enhances the sensitivity and durability of sensor.
Patent JP-H0857557-A (JP)
Title: Punching die of metal sheet and method therefor
Inventor: SUZUKI TAKAMASA
IPC: B21D28/26
Filed: 1994-08-23
Abstract: PURPOSE: To punch without cracking using a die being able to be produced almost as same as the conventional method by setting a punching clearance to a specific value. CONSTITUTION: A tip part of a punch 1 is beveled by 5 to 20% of the diameter of the punch, and the metal sheet is punched using a punching die in the clearance being 6 to 15% of the thickness. That is, when the punch 1 is lowered, the chamfered punch tip part is pressed into the metal sheet to be worked 4, the shearing receiving part is tensed to the arrow mark direction and hardened with machining. Further, all the chamfered part of the punch tip is brought in contact with the metal sheet 4, after then immediately, shearing and cracking are generated, spread along the shearing force, and get together with cracking generating from the shoulder part of die 3, so it can be punched without cracking.
Patent JP-H0646390-A (JP)
Title: Signal conversion device
Inventor: TAKAHASHI HIDENAGA
IPC: H04N7/12
Filed: 1992-07-24
Abstract: PURPOSE:To convert the picture signals of a MUSE system into NTSC reference signals without damaging the quality of pictures by mixing still pictures and animations reproduced by interframe interpolation and intrafield interpolation based on a motion detected result and then performing scanning line conversion. CONSTITUTION:An interfield interpolation part 23 interframe-interpolates the present picture signals and the signals one frame (two fields) prior taken out from a frame memory 20 from MUSE signals and reproduces the still pictures. Also, an intraframe interpolation part 24 interpolates between the picture elements of the present picture signals by an animation filter and reproduces the animatioras. Further, a motion detection part 25 detects the moving amount of the pictures based on the present picture signals and the picture signals two and four fields prior taken out from the frame memories 20 and 21. A mixing processing part 26 mixes the still pictures and animations based on the moving amount and then, a scanning conversion part performs the scanning conversion. Thus, the MUSE signals can be converted into the NTSC reference signals without damaging the quality of the pictures.
Patent JP-S58100741-A (JP)
Title: Laser raman spectroscopic apparatus removing fluorescence
Inventor: TOCHIGI KENJI
IPC: G01N21/65
Filed: 1981-12-11
Abstract: PURPOSE:To remove the disturbance due to fluorescence, by detecting a Raman scattering light component varying a laser oscillation wavelength in the range of a half of half value width of a Ramman scattering light spectrum centering set oscillating wavelength. CONSTITUTION:A dye laser light 6 excited in a dye cell 2 by light from a light source 1 for continuous oscillation dye laser excitation and amplified between resonators consisting of a Brewster's window 3 and a diffaction grating 4, is irradiated to a sample 8 through a lens 7. The grating 4 is oscillated minutely by rectangular voltage inputted from a square wave oscillator 15 and oscillation wavelength of the light 6 is varied by the grating 4. Raman scattering light and fluorescence generated from the sample 8 is inputted into a rock is amplifier 13 after passing through a spectroscope 10 and converting into an electric signal by a detector 11 and detected only a component of the Raman scattering light varying synchronizing with a reference signal from the oscillator 15. It is necessary the variation width of the oscillation wavelength of the light 6 is in the range of + or -3cm<-1> of a half value of width of the Raman scattering light by the oscillation center wavelength.
Patent JP-2000027533-A (JP)
Title: Unlocking device of automatic door
Inventor: NISHIE YASUHIRO
IPC: E05F15/14
Filed: 1998-07-14
Abstract: PROBLEM TO BE SOLVED: To prevent defective unlocking caused by clogging with dust, etc. SOLUTION: An unlocking control section 30 opens a door 23 for only one second at 50 mm/sec to make a light impact on a lock lever 5 with a bracket in the case a limit switch 6 is not turned on even when a solenoid 3 is turned on. In the case the limit switch 6 is turned on or the door 23 opens 50 mm, it is normally opened. In the case none of the cases is applicable to any of them mentioned above, the door 23 is closed for only one second at 50 mm/sec to make a light impact on lock lever 5 from the opposite side with the bracket mentioned above. In the case the limit switch 6 is turned on, it is normally opened. By the constitution, a light impact is made on the lock lever 5 from both sides thereof to release a stop of the lock lever 5 caused by dust, etc. In the case the lock lever 5 is so opened that the bracket mentioned above can pass through, the door 23 is opened.
Patent JP-H0752120-A (JP)
Title: Pottery plate and manufacture thereof
Inventor: SHIMIZU TOSHIO
IPC: B28B3/02
Filed: 1993-08-10
Abstract: PURPOSE:To provide a pottery plate, light in weight, prominent in resistance to shock and/or strength characteristics, reduced in warp and/or deformation, thin in thickness and having a large configuration. CONSTITUTION:In a pottery plate, two layers or more of sheet type porous baked bodies, having small bulk density, and the other sheet type non-porous baked bodies, having a large bulk density, are laminated. The pottery plate is manufactured by a method wherein sheet type molded forms, having different bulk densities after baking, are produced independently from at least two kinds of slurries consisting of the powder of pottery material, fibrous material and organic material having the glass transition point of 10 deg.C or less while two sheets or more of these sheet type molded forms are laminated to integrate them and, thereafter, the whole body of the laminated body is baked.
Patent JP-S6355369-A (JP)
Title: Facing plate of fluid machinery
Inventor: TOSHIMA MASAMI
IPC: F03B11/00
Filed: 1986-08-27
Abstract: PURPOSE:To greatly extend a cycle of a repair period, by burying wear resistant members in the vicinity of outer circumferences of holes, grooves or the like defined to a water flowing surface of a facing plate of a Francis turbine or the like. CONSTITUTION:A wear resistant member 4 is buried in an overall outer circumference of a screw of a lower facing plate 1. The member 4 is buried in the overall outer circumference of the screw 3 with a suitable length from an edge surface of a hole of the screw 3. Its suitable length depends on a size of the screw 3 and a flow rate in a device. A water flow surface of the member 4 is at the same level with that of the facing plate 1 and a gap therebetween is eliminated by applying an adhesive or the like thereto. With the arrangement, even if water containing soil and sands strikes against it, its wear is minimized, whereby a repair cycle is greatly extended.