baber/WOPTO huggingface dataset:
Patent JP-S61292329-A (JP)
Title: Forming device for resin-sealing semiconductor
Inventor: TAKAHAMA HISANOBU
IPC: B29K101/10
Filed: 1985-06-20
Abstract: PURPOSE:To improve the operating efficiency by providing lower mold movable, providing a plurality of transfer cylinders and a pot, and always engaging plungers with the pot, thereby eliminating the centering of the pot and the plungers at mold mounting time. CONSTITUTION:A lead frame 29 is supplied to a lower mold of transfer molds heated at the prescribed temperature, and sealing resin tablets 30... are supplied to a pot 24. Then, the piston 13 of a clamping transfer cylinder 12 is lifted to clamp upper and lower molds, the piston 28 of a press transfer manifold 14 is then lifted, and the tablets 30 are charged and pressure molded by plungers 27. At this time, uniform pressures are individually applied to the plungers 27 by uniform pressing mechanism 13. Then, the ejector rod 28 of a returning transfer manifold 16 is moved down, and the piston 13 of the cylinder 12 is further moved down to eject the mold products.
Patent JP-S5658955-A (JP)
Title: Cavitation erosion resistant stainless steel
Inventor: KONUMA TSUTOMU
IPC: C22C38/00
Filed: 1979-10-17
Abstract: PURPOSE: To obtain a stainless steel equal to "Stellite" in cavitation erosion resistance and suitable for use as a material for a hydraulic machine, etc. by adjusting the Ni equivalent and Cr equivalent of a stainless steel having a specified composition so as to form perfect austenite structure.  
     CONSTITUTION: This stainless steel consists of, by weight, 0.3W0.6% C, ≤1% Si, ≤2% Mn, ≤5% Ni, 2W10% Co, 16W20% Cr and the balance Fe. Austenite formation accelerating Ni equivalent is represented by 30C+Ni+1/2Mn+1/30Co, and ferrite formation accelerating Cr equivalent by 1.5Si+Cr. Accordingly, by adjusting the Ni equivalent and Cr equivalent to range A of the diagram, the resulting stainless steel has almost perfect austenite structure and superior cavitation erosion resistane. In addition, this steel has superior characteristics such as weld crack resistance as a build-up welding material. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-H0277540-A (JP)
Title: Al-sn bearing alloy
Inventor: FUJITA MASAHITO
IPC: C22C21/00
Filed: 1989-05-26
Abstract: PURPOSE:To obtain the title bearing alloy having excellent lubricity and mechanical characteristics at high oil temp. in which the shape of Si grains precipitated in an Al matrix is regulated to the roundish one by adding specific amounts of Sb to an Al-Sn bearing alloy contg. Si. CONSTITUTION:As a lightweight Al-Sn bearing alloy, >0.01 to <0.1% Sb is added to a bearing alloy contg., by weight, 7 to 20% Sn, 0.1 to 5% Pb, 1 to 10% Si, total 0.3 to 3.0% of one or more kinds among the elements for the strengthening of an Al matrix such as Cu, Mg and Zn and the balance Al. The shape of hard Si grains 2 precipitated in an Al matrix 1 of the bearing alloy is converted into nearly the spherical one or the roundish one in the tip by the addition of Sb and Sn-Pb alloy grains 3 are precipitated adjacently to the Si grains 2 to form a lubricating oil film between projecting Si and sliding mating members, by which the Al-Sn bearing alloy having excellent seizure resistance, fatigue resistance and wear resistance can be obtd.
Patent JP-S62290480-A (JP)
Inventor: NOGAMI KAZUO
IPC: A63B71/06
Filed: 1986-06-09
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-S6026429-A (JP)
Title: Partition wall of fluid machine
Inventor: SATOU TETSUYA
IPC: H02K5/132
Filed: 1983-07-21
Abstract: PURPOSE:To reduce a damage due to an eddy current by composing a partition wall of a fluid rotary electric machine of a sealer for preventing the fluid from leaking and a reinforcing unit formed of a metal material for enhancing the thermal and mechanical strength, and arranging the metal reinforcing unit to perpendicularly cross a line of magnetic force. CONSTITUTION:A canned motor 3 and a centrifugal pump 2 are liquidtightly coupled integrally at a radial air gap 6. Fluid is intaken from a pipe P through an air gap 6 formed around a stator 4 and a rotor 4 of the motor 3 into a centrifugal pump 2. A liquidtight cylindrical partition wall 8 is composed on the opposed surfaces of the stator 4 and the rotor 5. The wall 8 is composed of a cylindrical sealer 10 made of a resin material and a reinforcing unit 12 in which an austenite stainless steel wire 11 is wound in a coil shape. The pitch P of the wire 11 is increased larger than the diameter (a) of the wire to form a gap P-a. A line of magnetic force of a rotary magnetic field between a stator core 4 and a rotor core 5 crosses perpendicularly the wire 11. Thus, the liquidtightness is increased, mechanical and thermal strengths are increased, thereby reducing the eddy current loss.
Patent JP-H11322303-A (JP)
Title: Selective oxidation of hydrogen, and oxidation catalyst
Inventor: IWAKURA TOMOATSU
IPC: C07B61/00
Filed: 1998-05-15
Abstract: PROBLEM TO BE SOLVED: To make hydrogen in a mixed gas more selectively oxidizable by bringing a mixed gas containing hydrogen and a hydrocarbon into contact with an oxygen-containing gas in the presence of an oxidation catalyst containing a platinum-group metal and niobium oxide or tantalum oxide and a heat-resistant inorganic carrier as essential components. SOLUTION: The oxidation catalyst usually has a composition of (platinum- group metal)/X/(heat-resistant inorganic carrier)=(0.001-10)/(0.1-80)/(10-99.899) (wt.%) (X is niobium oxide and/or tantalum oxide). Concrete examples of the mixed gas containing hydrogen and a hydrocarbon are dehydrogenated hydrocarbon produced by the dehydrogenation reaction of a stock hydrocarbon with a dehydrogenation catalyst and a mixed gas composed of unreacted stock hydrocarbon and hydrogen. A gas having a molecular oxygen content of 1-100% is used as the oxygen-containing gas. Concretely, the gas is preferably air, oxygen-enriched air, air diluted with an inert gas, etc. The oxygen-containing gas may contain steam.
Patent JP-S63296557-A (JP)
Title: Picture read circuit
Inventor: TAMURA TOSHIYUKI
IPC: H04N1/04
Filed: 1987-05-28
Abstract: PURPOSE:To attain accurate correction while increasing the resolution or a conversion circuit by using a peak of a read value based on one-line reading as a reference value of the conversion circuit converting the peak value into a binarization data or a multileveling data. CONSTITUTION:A peak value holding circuit 30 holding the peak of a reading value based on one-line reading is provided and the peak value holding circuit is connected to the conversion circuit 20 using the output of the peak value holding circuit as a reference value. Thus, the data of a reference light level is brought into a level close to a predetermined reference value and the resolution of the conversion circuit is increased to apply accurate correction. Moreover, the peak value of the preceding line is used as the reference value to facilitate the correspondence of the copying to the change even if the background color of the original is changed.
Patent JP-S5560576-A (JP)
Title: Wood adhesive
Inventor: TANIGUCHI YASUO
IPC: C08L61/04
Filed: 1978-10-31
Abstract: PURPOSE: To prepare an wood adhesive having excellent dry-out resistance and adhesivity, containing a specific modified polyvinyl alcohol.  
     CONSTITUTION: An wood adhesive composition composed of (A) a thermosetting adhesive such as urea-formaldehyde resin (pref. a resin liquid of a solid content of 40W60wt%), and (B) 0.2W5wt% of a modified polyvinyl alcohol having hydrophobic groups at the side chains. The modified polyvinyl alcohol is pref. obtained by (1) copolymerizing vinyl acetate with a monomer having a hydrophobic alkyl group as the side chain, e.g. vinyl propionate, and (2) saponifying ≥75mol% of the vinyl acetate unit.  
     EFFECT: Adhesivity and wood failure are improved regardless of the length of laminating time or the veneer temperature. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H04144914-A (JP)
Title: Oxide superconducting substance
Inventor: MASUDA HIROMU
IPC: C01G3/00
Filed: 1989-05-27
Abstract: PURPOSE:To provide an oxide superconducting substance consisting of (Y, La, etc.)-Ba-Ca-Cu-O oxide having a specific composition, high critical temperature and large critical current density. CONSTITUTION:The objective oxide superconducting substance is composed of multiple oxides expressed by MBa2-xCaxCu3O7-y [M is at least one kind of lanthanoid element (excluding Ce, Pr, Pm and Tb), Sc and Y; 0<x<=1.8 (excluding x=1), preferably 0.1-0.5 ]. The oxide superconducting substance can be produced by adding 0.01-60wt.% of at least one kind of CaCu2O3, Ca2CuO and CaO to 1mol of MBa2Cu3O7-y.
Patent JP-S5258099-A (JP)
Title: Process for preparing ionnexchanging amorphus sodium aluminosilicate fine particle
Inventor: ROIDO YUUJIEENU UIRIAMUZU
IPC: C01B/
Filed: 1975-11-06
Abstract: The alumosilicates of the formula  M2O.Al2O3.2.0 to 3.8 SiO2.XH2O, where M and X have the meanings specified in Claim 1, have an oil absorption of at least 75 ml/100 g, a BET area of at least 50 m<2>/g, a settling volume of more than 160.0 kg/m<3>, a void volume as determined by penetration with mercury of more than 2.0 ml/g, a base exchange capacity of at least 200 mg CaCO3/g and an initial water softening rate of 38.6 mg per litre per minute. Their primary particles are spherical and have a size of from 400 to 500 ANGSTROM .   In order to prepare the alumosilicates   (a) an at most 4-molar aqueous solution of an alkali metal silicate with an SiO2/M2O molar ratio of from 2.2 to 2.8 is prepared, (b) this solution is stirred vigorously in order to expose it to high shearing stress and turbulence, the solution reaching a linear velocity of from 91 to 122 m/min in the process, and at from 15 to 70 DEG C an at most 2-molar solution of an alkali metal aluminate having an M2O/Al2O3 molar ratio of from 1.2 to 2.8 is introduced slowly, (c) the reaction mixture thus formed is stirred further at a precipitation pH of at least 10.5 and (d) the precipitated finely disperse amorphous alkali metal alumosilicate is isolated.   The alumosilicates are water softeners which can be used in detergents and cleaning agents.
Patent JP-H09315206-A (JP)
Title: Car-mounted vehicle fixing structure
Inventor: TAKEYAMA MASANOBU
IPC: B60P3/073
Filed: 1996-05-28
Abstract: PROBLEM TO BE SOLVED: To enable anybody to easily fix a car-mounted vehicle without requiring skill by making a wheel abut on a stopper, and setting the other stopper, which is positioned at a releasing position, at an abutment position on the other wheel so as to fix front and rear wheels of the car-mounted vehicle inside of a car body of a mounting vehicle. SOLUTION: A front wheel HI of an electric wheelchair is made to abut on a bending member and a side surface abutment body of a front wheel side stopper. A rear wheel side stopper 30, which is moved to a non-interference position, is elevated and rotated so that it abuts on a position upper and rear than the center of a rear wheel H3, namely, made to abut on a top surface of a rear part. In this condition, a hook ring 35b of a fixing member 35 is hooked on a hooking projection 34a1 of an insertion part 34a, and a lever 35a is pushed down so as to securely fix a fixing arm 34. With this structure, forward and upward movement of a front wheel HI is hindered by an upper end of a top surface abutting member of the front wheel side stopper, and while the movement toward a side thereof is hindered by the abutment on the side surface.
Patent JP-S5258097-A (JP)
Title: Method for purification of zinc sulfate solution
Inventor: HINACHI CHIYUUHEI
IPC: C01G9/06
Filed: 1975-11-07
Abstract: PURPOSE: To obtain high purity ZnSO 4  solution by adding HgSO 4  to an aqueous solution containing ZnSO 4  as a principal constituent and containing Ni ion as an impurity, followed by adding powdered Zn metal and separating the precipitate after the sufficient agitation of the solution. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-H11319904-A (JP)
Title: Method and device for hot rolling of thin steel sheet
Inventor: TSUCHIYA YOSHIRO
IPC: B21B37/76
Filed: 1998-05-15
Abstract: PROBLEM TO BE SOLVED: To prevent the generation of a high temp. rolling scale defect by controlling a surface temp. of a material to be rolled between stands of a finishing rolling will of hot rolling system to a specified value. SOLUTION: When a thin slab or a sheet bar after rough rolling is descaled and hot rolled by a finishing rolling mill consisting of plural stands 1, the surface temp. of a material 6 to be rolled is controlled to <=950 deg.C. The surface temp. of the material 6 to be rolled reaches the highest between a second stand F2 and a fourth stand F4, therefore, it is desirable to control the temp. to <=950 deg.C only in this range. A surface temp. of the material 6 to be rolled is measured by a thermometer 4 between the stands F2-F4. A water quantity and the pressure of a descaler 5 between stands of a high pressure water injection type are adjusted by a signal of the thermometer 4 through a control system, the surface temp. of the material 6 to be rolled is controlled to <=950 deg.C.
Patent JP-H08324114-A (JP)
Title: Thermal recording material
Inventor: OKUDA MASATOSHI
IPC: B41M5/337
Filed: 1995-05-31
Abstract: PURPOSE: To provide a thermal recording material excellent in recording density and running properties at a time of recording, extremely reducing the abrasion of a head after long-time continuous printing and reduced in the whitening of a recording part even when high energy printing is performed. CONSTITUTION: In a thermal recording material wherein a recording layer containing a leuco dye and a coupler are contained and a protective layer containing an aq. polymer and pigment as main components as main components are successively provided on a support, kaolin with an average particle size of 0.5μm or less is added to the protective layer in an amt. of 50-300% by wt. of the aq. polymer.
Patent JP-H01303762-A (JP)
Title: Schottky barrier junction gate type field-effect transistor
Inventor: KATANO FUMIAKI
IPC: H01L21/338
Filed: 1988-05-31
Abstract: PURPOSE:To produce a Schottky barrier junction gate type field effect transistor high in performance and power by a method wherein an N<+>-type gallium arsenide crystal layer high in impurity concentration is formed in the source region only. CONSTITUTION:A high impurity concentration N<+>-type gallium arsenide crystal layer 14 is formed only in the source region out of the source and drain regions. Accordingly, source resistance may be made lower. Further, the drain breakdown strength may be improved by forming, for example, an N<+>-type gallium arsenide crystal layer 15 relatively low in impurity concentration in the drain region. This design produces a Schottky barrier junction gate type field-effect transistor high in performance and power.
Patent JP-H04358974-A (JP)
Title: Bonnet of mobile farm machinery, etc.
Inventor: NAKAGAWA HIDEAKI
IPC: B62D25/10
Filed: 1991-06-05
Abstract: PURPOSE:To reduce the cost by constituting a nonnet of mobile farm machinery and so on so simply in a way of forming it with plastic material. CONSTITUTION:A mounting rib 5 with a pin hole 4 for installing a plastic bonnet 1 is formed in the underside inner part. This mounting rib 5 is solidly molded so as not to be projected out of an outer circumferential lower edge 6 of the bonnet 1.
Patent JP-H10326771-A (JP)
Title: Apparatus and method for hydrogen-plasma downstream treatment
Inventor: FUJIMURA SHUZO
IPC: H01L21/306
Filed: 1997-05-23
Abstract: PROBLEM TO BE SOLVED: To restrain particles, a fluoride reside or the like in an NF3 +H3 plasma downstream treatment, by a method wherein the flow rate of nitrogen fluoride gas supplied to a chamber from a second gas supply source with reference to the flow rate of hydrogen gas supplied to the chamber from a first gas supply source is set at a specific multiple or higher. SOLUTION: A silicon substrate 21 is placed on a treatment part 13 at a treatment apparatus. After that, while a gas inside a chamber 11 is being evacuated through an evacuation port 14A, hydrogen gas is introduced into the chamber 11 through a gas introduction port 14 from a first gas supply source 18A. Then, microwaves are guided to a plasma generation part 12 from a microwave generation source 15, a gas is discharged, and hydrogen ions, electrons, hydrogen radicals and fluorine are generated. At this point, an active gas which contains the hydrogen radicals much is moved, nitrogen fluoride gas is introduced into the chamber 11 from a second gas supply source 18B through a gas introduction port 14B on the downstream side of the moved gas at a flow rate of four times or higher with reference to the hydrogen gas, and it is added to the active gas.
Patent JP-S6025558-A (JP)
Title: Electric dust collecting apparatus
Inventor: YUKITAKE TSUGITA
IPC: B03C3/36
Filed: 1983-07-22
Abstract: PURPOSE:To facilitate the shaking-off of adhered dust by preventing the local deposition of said adhered dust, by making it possible to alternately introduce gas to be introduced into an electric dust collecting apparatus from an inflow side and an outflow side. CONSTITUTION:Valves 22, 24 are opened and valves 26, 28 are closed in order to set the gas passing direction in a dust collecting chamber 10 to an A-direction. By this operation, gas introduced into an inlet flue 12 passes the valve 22 to enter the dust collecting chamber 10 and dust is charged by Coulomb force to flow to the A-direction while collected by a dust collecting electrode and purified air is flowed into an outlet flue 14 to flow to a discharge side through the valve 24. After a difinite time, the valves 22, 24 are closed while the valves 26, 28 are opened in order to set the gas passing direction to a B-direction and gas introduced into the inlet flue 12 is flowed into an inlet reversing flue 16 to enter the dust collecting chamber 10 from the side of the outlet flue 14 through the valve 26. As a result, the local deposition of adhered dust due to the difference of a paticle size is eliminated and an adhesion state is uniformized.
Patent JP-S62290512-A (JP)
Title: Molded form unloading device
Inventor: ISAKA HIROSHI
IPC: B29C45/42
Filed: 1986-06-09
Abstract: PURPOSE:To shorten a time for unloading a molded form or replacing a mold, by a method wherein the moving mechanism of a movable platen which supports one of the mold is provided with the unloading means of the molded form while the moving mechanism is controlled in accordance with the detecting output of the amount of mold opening. CONSTITUTION:When molding is finished, a pair of molds 13, 14 is opened and the opening motion is detected by a magnetic scale 24 and a magnetic head 70. Then, the position of a movable platen 12 is inputted into a controller through a position control unit and an unloading plate 22 is inserted by a pulse motor by an amount in accordance with a gap between the molds 13, 14. Then, the molded form 23 is projected by a projecting pin 75 and is pushed against suckers 52. The unloading plate 22, held by the suckers 52, is moved to an unloading direction by a moving mechanism 21. The molds 13, 14 are closed in synchronized with the unloading motion. In this case, the unloading device is attached to the movable platen 12 through a bracket 20, therefore, dismantling or complicated adjustment of the unloading device is not necessitated upon replacing the molds.
Patent JP-H02312351-A (JP)
Title: Facsimile equipment
Inventor: KAWAMURA TOSHIKI
IPC: H04M1/56
Filed: 1989-05-26
Abstract: PURPOSE:To prevent the outgoing of facsimile from being performed erroneously by confirming the incoming origin information of opposite facsimile equipment at a time when dialing is performed in the case of performing the outgoing to an opposite party having a history of even one time of the completion of connection in the past. CONSTITUTION:The equipment is comprised of a dial signal holding part 1, an incoming history holding part 2, a dial number retrieval and incoming history holding operation start-up part 3, and a display part 4. And the incoming history and the dial number of the opposite facsimile equipment are stored at a time when connecting first with the opposite facsimile equipment, and a stored history is retrieved when the outgoing is performed again, and the incoming origin information, if it being left in the history, is displayed, and the incoming origin information of the opposite equipment is confirmed when dialing is performed by adding the information on the history when no information is left. Thereby, it is possible to prevent a document from being issued to the opposite party other than a targeted opposite party erroneously.
Patent JP-S61293438-A (JP)
Inventor: SAITO SHIRO
IPC: A61B8/00
Filed: 1985-06-21
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-S6023920-A (JP)
Inventor: TAKAMATSU MASAAKI
IPC: H01H13/70
Filed: 1984-06-28
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-H09298770-A (JP)
Title: Communication method and telephone terminal equipment for digital cordless telephone system
Inventor: KUNISAWA YOSHIO
IPC: H04W56/00
Filed: 1996-05-01
Abstract: PROBLEM TO BE SOLVED: To enable speaking with an outside line even when communication with a base unit can not be directly performed by repeating a slave set which can exchange data with the base unit. SOLUTION: A repeating function and a tripartite speaking function are added for a slave set so as to communicate with the other slave set which can not perform communication with the base unit, by using the slave set which enables the communication with the base unit, when the other slave set can not perform the communication with the base unit. A communication control part 14 is provided with buffer memories 22 and 23. These buffer memories 22 and 23 are used for providing the repeating function at the slave set. Two ADPCM CODEC parts 15A and 15B are provided for tripartite speaking. The ADPCM CODEC part 15A is used for decoding voice data from the base unit. The ADPCM CODEC part 15B is used for decoding voice data from the other slave set.
Patent JP-H05307129-A (JP)
Title: Optical fiber array
Inventor: MORI TAKASHI
IPC: G02B6/122
Filed: 1992-04-28
Abstract: PURPOSE:To provide the optical fiber array which remains uniform in quality to a temp. change and to eliminates the coupling loss depending on the temp. change by constituting the optical fiber array of the same material as the material of an optical waveguide. CONSTITUTION:This optical fiber array is constituted by using the same material as the material of an optical waveguide element substrate as the array material. The array is formed by forming a V-grooved substrate A for the array and a holding plate for pressure contact by using LiNbO3, then adhering the V-grooved substrate fixed with optical fibers to a metallic base B by the holding plate for pressure contact in the case of use of, for example, an LiNbO3 substrate as the optical waveguide element substrate. The waveguide surface of the optical waveguide substrate D is then covered with an end face block C made of the LiNbO3 and is similarly adhered to the metallic base. The optical fibers and the optical waveguide are then aligned in accordance with the conventional method and the metallic bases are fused and fixed to each other by using a YAG laser beam. Alloys which are so composed and formulated as to have the same coefft. of thermal expansion as the coefft. of thermal expansion of the LiNbO3 are used for the metallic bases at this time.