baber/WOPTO huggingface dataset:
Patent JP-S59182864-A (JP)
Title: Apparatus for purification of dye
Inventor: HARUTA MASAHIRO
IPC: C09B67/54
Filed: 1983-04-01
Abstract: PURPOSE:To enable the continuous production of purified dye suitable as the ink for writing utensils, checking the concentration of the salt according to the need, by using a means for the prparation of a dye solution in combination with a means for detecting the concentration of inorganic salt in the solution and a means for displaying the detected value. CONSTITUTION:The dye powder 22 is supplied from the dye reservior 21 to the mixing tank 24, and the prepared dye solution is fed through the supply tank 31 to the detector 46 to detect the concentration of inorganic salts by ion chromatography, etc. When the detected concentration displayed on a display is higher than a preset level (preferably <=5wt%), the solution is passed through a salt- rejection filter 43 to obtain purified dye.
Patent JP-H02234466-A (JP)
Title: Semiconductor memory cell and manufacture thereof
Inventor: SAKAO MASATO
IPC: H01L27/10
Filed: 1989-03-07
Abstract: PURPOSE:To maintain a large capacitance by a method wherein an information storing part is formed along an insulating film formed on the sidewall of a trench formed on a semiconductor substrate, the bottom of the trench and an insulated-gate field effect transistor. CONSTITUTION:A capacitance part is composed of a cell plate 10, a charge storing electrode 8 and a capacitive insulating film 9 isolating them from each other which are buried in a trench formed on a silicon substrate 1. A silicon oxide film 7 is provided between the charge storing electrode 8 and the sidewall of the trench. The silicon oxide film 7 is also provided between the charge storing electrode 8 and a first interlayer insulating film 6. A diffusion layer 12 is formed in the bottom of the trench by impurity diffusion from the charge storing electrode 8. The cell plate 10 is isolated from a bit line 14 by a second interlayer insulating film 11. Element isolation is provided by a silicon oxide film 2 formed on the silicon substrate 1. As the charge storing electrode 8 is not only formed in the trench but also extended over a switching transistor, a required capacitance can be obtained with a small cell area.
Patent JP-H02234487-A (JP)
Title: Buried hetero-structure semiconductor laser
Inventor: KURODA NAOTAKA
IPC: H01S5/00
Filed: 1989-03-07
Abstract: PURPOSE:To reduce a leakage current by forming on a semiconductor substrates a cladding layer of a different conductivity type from that of the semiconductor substrate into an inverted trapezoid shape, the cladding layer having specified impurity concentration and height, and further specifying the thickness of a semi-insulating semiconductor layer. CONSTITUTION:A cladding layer 13 of a different conductivity type from that of a semiconductor substrate 10 in a double-hetero junction structure on the semiconductor trapezoid shape with impurity concentration less than 10<18>cm<-3> and height less than 2mum, and a semi-insulating semiconductor layer 17 is made 4mum or more in thickness. Herein, a buried hetero-structure semiconductor laser, which is incorporates a semi- insulating semiconductor layer 17 therein as a current blocking layer, has a leakage current substantially flowing through a P cladding layer 13 - the semi-insulating semiconductor layer 17 - an N cladding layer 11. Accordingly, the height of the P cladding layer 15 is made lower with a contact area being reduced. Further, the impurity concentration is made high so as not to permit voltage applied to a PIN structure to be made high, and the thickness of the semi-insulating semiconductor layer 17 is made thick by dipping a mesa up to the active layer 13 and the N cladding layer 11. Hereby, a leakage current is reduced.
Patent JP-S58173141-A (JP)
Title: Production of polypropylene resin composition for extrusion/stretching
Inventor: HIROTA KIWAMU
IPC: C08L21/00
Filed: 1982-04-05
Abstract: PURPOSE:To produce the titled compsn. having excellent extrudability and stretchability, by polymerizing two kinds of propylene polymers having different melt flow in dexes (MFI) in two or more stages. CONSTITUTION:Propylene and not more than 7wt% ethylene are polymerized in the presence of a catalyst consisting of an org. Al compd. an electron-donating compd. and a solid catalyst composed mainly of TiCl3 to obtain 60-95wt% propylene polymer (random copolymer) having an MFI of 0.02-5g/10min. Then hydrogen concn., polymn. temp., polymn. time and ethylene concn. are adjusted to produce 40-5wt% propylene polymer (random copolymer) having an MFI of 50-1,000g/10min and an ethylene content of 4wt% or lower. As a result, there can be obtd. a PP resin compsn. for extrusion/stretching which has a propylene content of 94wt% or above and an MFI ratio of 10kg load MFI to 2.16kg load MFI of 22-38.
Patent JP-S60220704-A (JP)
Title: Machining process for tongue and groove joint of fiber board
Inventor: KUYAMA KAZUO
IPC: B28B11/10
Filed: 1985-03-18
Abstract: PURPOSE:To finish the tip surface of a fiber board beatifully by a method in which the tip surface inclined to the front surface side at the surface side projected part of the groove part obtained by machining the side edge-surface of a fiber board, is thermopressed, whereby a smooth surface without napping is formed. CONSTITUTION:For a fiber board 1, first the Tongue part 3 having a long projected part 2 at one side edge-surface of a fiber board 1, and then the groove part 5 composed of recessed long groove 4 capable of fitting to said projected part of the Tongue part 3 at other side edge-surface, are respectively machined by a cutter or a saw, etc. at each side edge-surface. The tip surface 7a and the rear surface of said surface 7a are pressed by the roll having the V groove shape-peripheral surface composed of the first inclined surface 8a and the second inclined peripheral surface 8b whose inclined direction is opposite to the inclined direction of said surface 8a, and having been heated by the burner 10 at the said V groove shape-peripheral surface. The smooth surface without napping is formed by the thermopressing of said first inclined peripheral surface 8a.
Patent JP-H08247447-A (JP)
Title: Fluidized material particle diameter control device for circulating fluidized bed type furnace
Inventor: HARAGUCHI EIGO
IPC: F23K3/02
Filed: 1995-03-15
Abstract: PURPOSE: To perform a stable combustion and a stable operation in a circulating fluidized bed type boiler and the like by a method wherein a particle diameter of fluidized material in a furnace is controlled to a specified value. CONSTITUTION: A part of fluidized bed material collected by a cyclone 2 and returned back to a combustion device 1 is taken and cooled by a cooling device 14, thereafter the particle diameter is detected by a classifying machine 17. Then, a motor 19 for a crusher 8 is controlled on the basis of the detected value.
Patent JP-S62211730-A (JP)
Title: Program correcting system by data format description
Inventor: IWAMOTO KAZUAKI
IPC: G06F11/28
Filed: 1986-03-12
Abstract: PURPOSE:To make inputting of correction data of a program in format of hexadecimal number unnecessary by providing a table of data format identifier and length and method of conversion of correction data according to the format of data to be corrected. CONSTITUTION:A correction data storing means is constituted of correction data and a data format identifier, and a dealing means consists of a data format identifier, length of correction data and method of conversion. Correction data stored in a correction data storing means are read one by one by a converting means. the converting means reads the content of the dealing means beforehand, converts the correction data to hexadecimal number according to the method of conversion corresponding to the data format identifier in the correction data, and transfers correction data and length of correction data corresponding to the data format identifier to a correcting means. The correcting means corrects a program by the correction data and the length of correction data.
Patent JP-S51131942-A (JP)
Title: Anticorrosive treatment of heatexchanger
Inventor: ICHIYANAGI AKINARI
IPC: C23C22/00
Filed: 1975-05-12
Abstract: PURPOSE: To remove extra treatment liquid remaining in the heatexchanger with a rotary movement after dipping the heat-exchanger in the transformation treatment liquid and dip-coating treatment liquid. 
     COPYRIGHT: (C)1976,JPO&Japio
Patent JP-S60200265-A (JP)
Title: Image forming device
Inventor: KONUKI KAZUHIKO
IPC: G03G15/047
Filed: 1984-03-23
Abstract: PURPOSE:To enable simple changeover of a copying mode by detaching and attaching the cartridge and exposing unit so as to exchange the same with the cartridge and unit meeting the mode, having blank exposing made according to need and selecting adequate process conditions. CONSTITUTION:A cartridge of a mode for copying a positive original picture to a positive image is exchanged with a cartridge 13' having a developing device 17' of an N-P mode and at the same time an exposing unit is exchanged with 44' in the processing stage in the N-P mode for copying the negative original picture to the positive image. The unit 44' has no function to make blank exposing and is provided with a stationary light shielding plate 37 between an image exposing path and an exposing lamp to prevent the turning round of the light from the lamp. A changeover switch is held changed over to the N-P mode side while the unit 44' is kept mounted. The light from the lamp is kept free from making blank exposing as the plate 37 is held closed during copying after the above-mentioned setting. Since the switch is held set on the N-P mode side, the polarity of the voltage impressed on an electrifier for transfer changes over and the quantity of the light for image exposing is controlled so as to meet the N-P mode.
Patent JP-H08254332-A (JP)
Title: Air cleaner
Inventor: OGAWA TETSUJI
IPC: F24F7/00
Filed: 1995-03-15
Abstract: PURPOSE: To facilitate setting of a deodorizing filter directly into an air cleaner casing and improve deodorizing efficiency by a method wherein the peripheral rim of a deodorizing cassette is retained by a pushing frame under air-tight condition and air-permeating nets on both of the front and rear surfaces of the cassette are connected through a connecting member to preclude the inflation of the nets. CONSTITUTION: A deodorizing cassette is installed under standing condition of blockading a suction port 33 formed on a vertical wall surface forming the casing 31 of an air cleaner. The suction port 33 of the deodorizing cassette 35 is fixed by a pushing frame 36, pushing the peripheral rim of the suction port 33, whereby the cassette 35 is retained under air-tight condition. Further, air-permeating nets 40, provided on the front and rear surfaces of the deodorizing cassette 35, are connected through a lattice (connecting member) 42 whereby the inflation of the nets 40 can be precluded.  According to this method, the deodorizing cassette 35 can be set directly into the casing 31 of the air cleaner utilizing the pushing frame 36 while all of air, passing through the deodorizing cassette 35, is contacted with deodorizing agent (activated carbon) whereby effective deodorizing can be effected.
Patent JP-S63227814-A (JP)
Title: Heat bonding fiber and nonwoven fabric thereof
Inventor: NAGAOKA KOICHI
IPC: D04H1/544
Filed: 1987-03-11
Abstract: PURPOSE:To obtain a heat bonding fiber, having supple feeling and excellent tensile strength and capable of providing nonwoven fabrics suitable as lining of diapers, etc., by covering polyethylene terephthalate with a blend containing specific linear low-density PE and crystalline PP in a specific proportion. CONSTITUTION:The aimed fiber obtained by covering (C) polyethylene terephthalate with a blend of (A) 99-50wt.% linear low-density PE, containing substantially 1-15wt.% octene-1 and having 0.900-0.940g/cm<3> density and 25-100g/10min melt index [measured by the method of ASTM D-1238 (E)] and >=25cal/g heat of melting with (B) 1-50wt.% crystalline PP having <=20g/10min melt flow rate [measured by a method of ASTM D-1238 (L)] by a sheath-core type conjugate spinning method, etc.
Patent JP-H08253065-A (JP)
Title: Seat device
Inventor: KASHIWAMURA TAKAYOSHI
IPC: A47C7/14
Filed: 1995-03-15
Abstract: PURPOSE: To improve riding comfort and vibration shutting-off properties of a seat device using torsion bars. CONSTITUTION: A seat device is provided with a cushion frame 1, to be placed on a floor, a supporting member 3 for supporting a seat pad, and torsion bars 5, 7, 9, 11 composed of torque bar parts 17, 33 and arm parts 19, 35, to be longitudinally or laterally provided on the seat in pairs, and for elastically supporting the supporting member 3 in relation to the cushion frame 1, and respective arm parts 19, 35 of at least a pair of torsion bars 5, 7, 9, 11 are so arranged as to be parallel to a parallel link mechanism.
Patent JP-S53141519-A (JP)
Title: Thinning-out pattern modification system of facsimile equipment
Inventor: OGAWA MUTSUO
IPC: H04B1/66
Filed: 1977-05-16
Abstract: PURPOSE: To simplify the signal processing system of a facsimile equipment, by obtaining a plural number of skip sampling patterns by applying one thinning-out logic and interpolating logic. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-S55148965-A (JP)
Title: Electronic angle advancing system
Inventor: UCHIDA YOSHIYUKI
IPC: F02P3/04
Filed: 1979-05-10
Abstract: PURPOSE:To control the angle of advance only by an electronic means by controlling so as to expedite the timing of shutting down an output transistor with an increase of engine revolutions, thereby providing the ignition time with an angle advancing characteristic. CONSTITUTION:From a pick up 1, a timing pulse is obtained, synchronizing engine revolutions. The timing pulse is supplied to an ignition time and dwell time adjusting circuit 2, which determines the time for passing current to an ignition coil 8. The adjusting circuit 2 determines the ignition timing and dwell time on the basis of the timing pulse, and makes the output transistor 4 conductive through an amplifying circuit 3 with a predetermined timing and for a required period of time. When the output transistor 4 is shut down at a certain time, a high voltage is induced at the secondary side of the ignition coil 8, sparking the spark plug.
Patent JP-2000249975-A (JP)
Title: Video display device
Inventor: KOBAYASHI YASUSHI
IPC: H04N5/64
Filed: 1999-03-04
Abstract: PROBLEM TO BE SOLVED: To obtain an excellent video having extremely wide field by providing a screen at a position facing to observer's eyes and observing a secondary image obtained by projecting and enlarging the light of the video displayed on a display element to a screen as a virtual image through an ocular optical system. SOLUTION: LCDs 12L and 12R display the video for the observer's left and right eyes EL and ER. The light of the video displayed on the LCDs 12L and 12R is emitted toward a half mirror 15 by projection lenses 13L and 13R and reflected by the mirror 15, so that the secondary image obtained by enlarging the video on the LCDs 12L and 12R is formed on a concave screen 11. The light made incident on the screen 11 is reflected and made incident on the mirror 15, transmitted through the mirror 15 and made incident on oculars 14L and 14R. The light is guided to the left and right eyes EL and ER by the oculars 14L and 14R, respectively. The observer observes the video on the screen 11 as the virtual image enlarged further through the oculars 14L and 14R.
Patent JP-S63242756-A (JP)
Inventor: GIYUNTAA KEESU
IPC: B60T8/1761
Filed: 1988-03-11
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-H06272199-A (JP)
Title: Flame-retardant backing paper for antifungal wall paper
Inventor: SUDO HIROSHI
IPC: D21H17/67
Filed: 1993-03-17
Abstract: PURPOSE:To produce a flame-retardant backing paper for antifungal wall paper in which antifungal substances of low toxicity is used as an active ingredient and no migration or elution of the active ingredient occurs when it is applied to the wall, and is no need of more additive process for giving the antifungal properties. CONSTITUTION:10 to 30wt.% of fibrous substance mainly consisting of cellulose are mixed with 70 to 90wt.% of inorganic powder containing an antifungal metal salt sparingly soluble or insoluble in water as an active ingredient and they are made into paper to which the antifungal substance is fixed in an amount of 3 to 10wt.%. There is no anxiety of migration or elution of the antifungal ingredient even when the paper contacts with water because the ingredient is sparingly soluble or insoluble in water. Since the antifungal inorganic salt can be directly added in a powdery form on the production of the flame retardant backing paper, it is in no need of additive process for giving the antifungal properties, resulting in reduction of production cost.
Patent JP-S57171938-A (JP)
Title: Preparation of optically active naphthylpropionic acid ester
Inventor: ARAI KAZUTAKA
IPC: C07C51/487
Filed: 1981-04-15
Abstract: PURPOSE: To obtain the titled optically active ester, by dissolving racemic α- (6-methoxynaphth-2-yl)propionic acid alkyl ester or a mixture of said esters containing one of the optically active isomers in excess, in an organic solvent, seeding an optically active isomer to the solution, and carrying out the resolution by crystallization.  
     CONSTITUTION: An optically active α-(6-methoxynaphth-2-yl)propionic acid alkyl ester of formula (R is alkyl) is obtained by dissolving the racemate of said ester or a mixture of said esters containing one of the optically active isomers in excess, in an organic solvent (e.g. methanol, hexane, etc.), and carrying out the crystallization resolution in the presence of a seed crystal of an optically active isomer. The resolution efficiency can be improved by adding a base to promote the racemization of the ester (e.g. alkali metal alkoxide) to the above system, thereby racimizing the opposite optically active isomer accumulated in the mother liquid with the progress of crystallization.  
     USE: Precursor of an antiphlogistic and analgesic agent. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-S61216854-A (JP)
Title: Temperature controlling method for automatic soldering machine
Inventor: HORII MASANOBU
IPC: B23K3/03
Filed: 1985-03-20
Abstract: PURPOSE:To reduce the waiting time until the next soldering operation is carried out and to improve working efficiency by increasing the supply electric power to a heater part in the stage of cleaning a soldering iron or before or after such cleaning. CONSTITUTION:A controller 12 controls the current to be supplied from a heater driver 13 to a heater pat 10 so as to increase quickly the current when the controller judges the point of the time to start cleaning upon receipt of a signal from a position detecting sensor 14. The supply electric power thereto is increased and the electric power is kept supplied until the temp. of the soldering iron 1 is reset to the prescribed temp. range. The point of the time for resetting the temp. is determined by the controller 12 which judges the measured value of a temp. sensor.
Patent JP-S51135008-A (JP)
Title: Safety device for a train door
Inventor: OOKI TAKAHISA
IPC: B61D19/02
Filed: 1975-05-15
Abstract: PURPOSE: For detection of abnormality, watching rays are spread outside a train body at such a position where the rays are intercepted by interpositions when the door is closed in order to prevent the start of the train and ensure safety of passengers. 
     COPYRIGHT: (C)1976,JPO&Japio
Patent JP-S53141517-A (JP)
Title: Regenerative system of stored record
Inventor: KUDOU SHIYOUZOU
IPC: H04N1/00
Filed: 1977-05-16
Abstract: PURPOSE: To realize a small scale memory unit, by regenerating and displaying control information by a display command after control information such as teh progress and result of transmission recorded in the prescribed control-information recording space of a magnetic tape is generated and transmitted. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-S55149337-A (JP)
Title: Resin composition
Inventor: DEGUCHI SEIJI
IPC: C08L77/00
Filed: 1979-05-09
Abstract: PURPOSE: To provide a resin composition with excellent mechanical and physical properties comprising an acrylic block copolymer obtained by polymerizing in the presence of a specific redox colalyst and a methyl methacrylate type polymer.  
     CONSTITUTION: In the presence of a redox catalyst comprising a peroxide shown by the formula [wherein R 1 , R 2  are H methyl, ethyl; each cychohexanone ring has there or less of alkyl (methyl, ethyl); R' is H, hydroxyl group] and a reducing compound which promotes the decomposition of a hydroperoxide group of said peroxide but hardly promotes the decomposition of its ketone peroxide group, 100pts. of a monomer mixture of 50W100wt% of a 1'12C alkyl-containing alkyl acrylate (a) and 50W0wt% of a vinyl or vinylidene compound other than (a) is polymerized and, subsequently, an obtained polymer is polymerized with 20W400pts.wt. of a mixture comprising 50W100wt% of methyl methacrylate and 50W0wt% of a monomer to prepare a block copolymer (A). This block copolymer 0.5W70pts.wt. is mixed with 99.5W30pts.wt. of a methyl methacrylate type polymer to obtain a resin composition. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H07269681-A (JP)
Title: Rectangular-axes mechanical reduction gear
Inventor: CHIBA KIICHI
IPC: F16H57/02
Filed: 1994-03-28
Abstract: PURPOSE:To facilitate disassembling and reassembling by providing an opening of a shape simultaneously including two projected tip circles when the outermost tip circle of the second-stage gear of a second-stage rectangular-axes reduction gear part and the tip circle of the third-stage gear of a third-stage parallel-axes reduction gear part are projected to the projected plane of an output shaft. CONSTITUTION:This rectangular-axes mechanical reduction gear is provided with an input shaft 202, an output shaft 216, a first-stage parallel-axes reduction gear part including a first-stage gear 210 engaged with a first-stage pinion 209, a second-stage rectangular-axes reduction gear part including a bevel gear 213 for changing the rotation direction by 90 deg. to a bevel pinion 212 and a third-stage parallel-axes reduction gear part including a third-stage gear 215 engaged with a third-stage pinion 214. In a gear box 205, the reduction gear parts of the first-stage to the third-stage are housed, and the whole appearance is formed in a nearly rectangular parallelopiped form, and the six planes of the rectangular parallelopiped are integrally formed, and the opening 207 simultaneously including the tip circles of the bevel gear 213 of the second- stage rectangular-axes reduction gear part and the third-stage parallel-axes reduction gear part and the third-stage gear 215 is formed in the plane in which the output shaft 216 of the gear box 205 projects.
Patent JP-H03259451-A (JP)
Title: Library device
Inventor: TATSUTA KAZUTOMO
IPC: G11B15/68
Filed: 1990-03-08
Abstract: PURPOSE:To improve the reliability of this device and to attain miniaturization by turning a housing cell so as to make the position of the container cell with cartridges housed therein coincident with the position of a handling mechanism, moving a hand vertically up to a prescribed position so as to make the position of the hand coincident with the cartridge position. CONSTITUTION:Plural cartridges 1 are housed to a prescribed position on a same plane radially from an outer side face and a cylindrical housing cell 16 turnable around its vertical shaft is provided. Moreover, a cartridge 1 is extracted from the prescribed position of the housing cell 16 with a hand 17 opposite to the outer side face of the housing cell 16, moved vertically and loaded to a driver 18 to read or write the information and then the cartridge 1 is restored to the home position of the housing cell 16 afterward by means of a handling mechanism 19. Thus, the entire device is miniaturized and since the operation of the handling mechanism 19 is simplified, the driving part is reduced and the reliability is improved.