baber/WOPTO huggingface dataset:
Patent JP-S57128216-A (JP)
Title: Fiber made of polyester copolymer composition
Inventor: KAWAMOTO MASAO
IPC: D01F6/84
Filed: 1981-01-28
Abstract: PURPOSE: The titled fiber that is obtained from a composition composed of a specific polyester copolymer and another copolymer from an α-olefin and an unsaturated carboxylic salt of a mono- or divalent metal, thus showing good thermal adhesion and high process stability.  
     CONSTITUTION: The objective fiber is produced from a composition that is composed of a polyester copolymer (A) consisting of more than 50mol%, based on the total acid comonent, of terephthalic acid, more than 70mol% of diols including ethylene glycol, 1,4-butanediol and 1,6-hexanediol and 0W45mol% of other aliphatic and/or alicyclic copolymerizable components, thus showing 80W200°C melting point, more than 2.0cal/g heat of crystal fusion, less than 90 seconds minimum crystallization time and higher 5kg/cm 2  shear strength, when PET is bonded, and another copolymer (B) of an α-olefin with an unsaturated carboxylic salt of mono- or divalent metal. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-S60156638-A (JP)
Title: Preparation of valproic acid
Inventor: YAMAMOTO TOSHIO
IPC: C07C57/03
Filed: 1984-01-25
Abstract: PURPOSE:To obtain the titled substance useful for various applications such as medicines in high yield from an inexpensive and easily handleable raw material under mild reaction conditions, by reacting an acetoacetic ester with an allyl halide as starting materials, hydrolyzing the resultant product, and reducing the hydrolyzed product. CONSTITUTION:An acetoacetic ester is reacted with an allyl halide in the presence of a basic catalyst, e.g. sodium hydroxide, in a polar organic solvent. The resultant 2,2-diallylacetoacetic ester is then reacted with an alcohol in the presence of the same basic catalyst as that used in the above-mentioned step to give a diallylacetic acid ester, which is hydrolyzed in the presence of an alkali or acid to form diallylacetic acid. The resultant diallylacetic acid is then reduced or the diallylacetic ester is reduced to give a valproic acid ester, which is further hydrolyzed to afford the aimed compound.
Patent JP-S57126912-A (JP)
Title: Production of high-tensile strength steel excellent in fatigue characteristic and useful as welded construction
Inventor: TANAKA YASUHIRO
IPC: C22C38/00
Filed: 1981-01-29
Abstract: PURPOSE:To produce the high-tensile strength steel inscribed on the face having a low notch sensitivity to fatigue, by subjectig a steel having a specified composition containing C, Si, Mn, Cr, Al and N to low-temperature quenching and then tempering. CONSTITUTION:A steel comprising 0.05-0.1% C, 0.05-0.15% Si, 1.5-2.5% Mn, 1.0-1.5% Cr, 0.04-0.20% Al, up to 0.004% N, optionally one or more of 0.2- 2% Ni, 0.2-1.5% Mo, 0.4-0.7% Cu, 0.02-0.15% V and 0.0005-0.002% B, and the balance being Fe and inevitable impurities is subjected to heat-treatment as follows: The steel piece is heated at a relatively lower quench-heating temperature of AC3-AC3+30 deg.C, and quenched, to convert the generated boenite structure into the possible finest state. Thereafter, the steel piece is tempered at a temperature lower than AC1 point, to provide the steel piece with a tensile strength of 80kg/mm.<2> or more and an excellent fatigue characteristic.
Patent JP-H01188484-A (JP)
Title: Production of combustible cylindrical body
Inventor: TSUJI SHINZO
IPC: C06B21/00
Filed: 1988-01-25
Abstract: PURPOSE:To produce a combustible cylindrical body having high density and strength, by expressing a raw cylindrical body produced by sucking a slurry contg. combustible fiber with a bag body made of flexible film, packed with a heated female mold and hot water when the combustible cylindrical body for packing with explosive is produced. CONSTITUTION:The raw cylindrical body is produced by suspending the combustible fiber such as nitrocellulose, kraft pulp, in water to make the slurry, by furthermore adding styrene-butadiene copolymer latex as caking agent and by sucking the slurry. The raw cylindrical body is put in the female mold heated, for example, at 125 deg.C and thereafter expressed with a rubber bag contg. the female mold and pressurized hot water while heating, by inserting the rubber bag therein, by packing the rubber bag with hot water heated at about 70 deg.C and by pressurizing the hot water, to dehydrate and solidify. The combustible cylindrical body for packing with explosive, having high density and strength, is obtd.
Patent JP-S54105541-A (JP)
Title: Reduction lens
Inventor: TAKASE HIROSHI
IPC: G02B9/16
Filed: 1978-02-07
Abstract: PURPOSE: To obtain a reduction lens of a reduction magnification 1/10 and vignetting factor 100% by constituting the optical system with biconvex, biconcave and biconvex lenses of optical specifications satisfying the specified conditions.  
     CONSTITUTION: If a biconvex lens 1 os respective r 1 , r 2 , d 1  in the radius of curvature and thickness, a biconcave lens 2 of r 3 , r 4 , d 2  and a biconvex lens 3 of r 5 , r 6 , d 5  are arrayed at air spacings d 2 , d 4  and the optical specifications of the respective lenses 1, 2, 3 are so selected as to satisfy formulas (1) thru (5), then the symmetry of coma is improved through reduced coma flare and the chromatic aberration and Petzval sum are well corrected, whereby the reduction lens of a reduction magnification 1/10 and vignetting factor 100% may be provided. (υ 1  thru υ 3  are the Abbe number of each lens, f 1  thru f 3  the focal lengths of each lens, f the focal length of the entire optical system and Σd the ovall length of the lens system. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-H10205458-A (JP)
Title: Inscribed gear pump
Inventor: KAWAMOTO SHIGERU
IPC: F04C2/10
Filed: 1997-01-27
Abstract: PROBLEM TO BE SOLVED: To provide an inscribed gear pump to optimize a design for the shapes of external and internal tooth gears, reduce a leakage amount through improvement of cutting-off ability between the suction side and the discharge side, and have high discharge amount. SOLUTION: In an inscribed gear pump wherein an internal tooth gear has the number of teeth higher than that of an external tooth gear 3 by one tooth and the addenda of two gears are brought into slide over each other on the opposite side to a part where the two gears most deeply engaged with each other, the the tooth shape of the external gear 3 is formed such that an addendum surface 3b, a bottom surface 3c and tooth surface 3d are formed in a shape where a plurality of circular arcs are smoothly and continuously combined together and the tooth shape of the internal tooth gear is a shape generated by the tooth shape of the external tooth gear 3.  The curvature centers and the curvatures of radius R1-R5 of the respective circular arcs of the addendum surface 3b, the bottom surface 3c, and the tooth surface 3d so that the approximate whole of the tooth shape of the external tooth gear 3 are positioned on the envelope of a locus drawn by the tooth shapes during the generation.
Patent JP-H10204227-A (JP)
Title: Watertight composition and watertight insulated electric cable
Inventor: WATANABE TOMOHISA
IPC: H01B7/28
Filed: 1997-01-27
Abstract: PROBLEM TO BE SOLVED: To obtain a watertight composition good in cover-peeling property and having a sufficient strength and watertightness at a room temperature, and capable of sufficiently holding the effects even under high temperatures near to 100 deg.C, and to obtain a watertight insulating electric cable. SOLUTION: This watertight composition comprises 100 pts.wt. of one or more kinds of polymers selected from ultralow density polyethylene, low density polyethylene, low density linear polyethylene, and ethylene-propylene copolymer rubber and 1-50 pts.wt. of a water-absorbing swellable polymer having hydrophilicity. The watertight composition is charged into spaces between element wires 2 forming a conductor 4, and further forms a watertight composition layer 6 comprising the water-tight composition. An insulating layer 8 is further formed on the watertight composition layer 6 to produce a watertight insulating electric cable.
Patent JP-H07221326-A (JP)
Title: Planar semiconductor element
Inventor: SUZUKI KENJI
IPC: H01L29/861
Filed: 1994-02-07
Abstract: PURPOSE:To cause a punch-through breakdowh at the central part of a p-n junction before an avalanche breakdown at-the peripheral curved part of the p-n junction by exposing the low-concentration impurity area forming the p-n junction immediately above the part of the area in parallel with the surface of a silicon substrate and bringing the area into contact with an electrode. CONSTITUTION:A p<+>-type area 3 containing an acceptor impurity at a surface concentration of 10<19>-10<21>/cm<3> is formed in a surface layer 2 which contains impurities at a surface concentration of 10<16>-10<18>cm<3> and is formed in the surface of an n<->-type silicon substrate l by diffusing the acceptor impurity from the opening of an oxidized film 4. At the time of forming the area 3, the area 3 is only formed in the peripheral part of the substrate l by leaving the oxidized film 4 at the cental part. After removing the oxidized film 4 from the central part, an anode electrode 5 is formed on the surface of the n<->-type silicon layer 1. Then, after forming an n<+>-type layer 6 on the rear surface of the layer l and a cathode electrode 7 on the layer 6. The depth of the p<->-type layer 2 is set in accordance with the impurity concentrations of the n<->-type layer 1 and p<->-type layer 2. Therefore, it is possible to cause a punch through at the central part C of the area 2 before an avalanche breakdown occurs at the curved part A of the p-n junction of a diode when a reverse voltage is applied across the p-n junction.
Patent JP-S58129636-A (JP)
Title: Character processing device
Inventor: MASAKI KATSUMI
IPC: G06F17/21
Filed: 1982-01-29
Abstract: PURPOSE:To collectively convert mixed character strings consisting of half-space characters and full-space characters into a half-space character string, by automatically deleting a half-space code and collectively conveting characters into the half-space characters. CONSTITUTION:An RAM is used as a work register at the execution of a control program stored in a control memory ROM. Keyboards KB1, KB2 are used for the input of full-space characters and half-space characters respectively. The inputted character string is made half-space by a half-space key HZ. Delete keys LD, RD indicate to respectively delete left and right sides of two half-space character strings indicated by a cursor at the deletion of the inputted half-space characters. A buffer BUF1 accumulates the character strings inputted from the keyboards KB1, KB2.
Patent JP-H03216268-A (JP)
Title: Hanger for brazing heat exchanger
Inventor: NONAKA MASARU
IPC: B23K1/008
Filed: 1990-01-22
Abstract: PURPOSE:To prevent thermal stress from remaining by arranging a pair of parallel metallic bars on a hanger body, forming groove parts on the upper surfaces of these bars, fitting ceramic into them so that the upper surfaces are exposed and supporting the lower surface of a tube plate with these exposed under surfaces. CONSTITUTION:A heat exchanger assembly body is inserted into a high temperature furnace supporting the lower surface of the tube plate 6, the outer peripheral surface of which is coated with brazing filler metal. A pair of parallel metallic bars 2, 2 is arranged horizontally on the hanger body 1 and groove parts 3 or recessed parts are formed on the upper surface of the bar stock 2. Ceramic 4 is fitted into the groove parts 3 or the recessed parts so that the upper surfaces of these ceramics are exposed. The lower surface of this tube plate 6 is composed so that it is supported by its exposed upper surface. In this way, the ceramics 4 and the tube plate 6 are always kept in slipping contact, and even when thermal strain is generated between them, slippage is generated between them and thermal strain can be prevented from remaining in the heat exchanger core.
Patent JP-S56110285-A (JP)
Title: Semiconductor laser
Inventor: SUGINO TAKASHI
IPC: H01S5/223
Filed: 1980-02-05
Abstract: PURPOSE:To attempt to reduce an oscillation threshold value by first forming an active layer having two bent parts on a stepped semiconductor substrate through  the intermediary of a semiconductor layer and then carrying out a selective diffusion from a surface laminated with semiconductors of varying electroconductive  type toward lower semiconductor layers. CONSTITUTION:An active layer 19 having two bent parts on a stepped T semiconductor substrate 17 through the intermediary of a semiconductor layer 18. On the said layer, a semiconductor layer 20 of one electroconductive type and a semiconductor layer 21 of an opposite electroconductive type are laminated. Then an impurity diffusion region 22 is formed in such manner that it may reach from the surface of the said laminated layer to a semiconductor layer 20 of one electromagnetic type located above the distance between the two bent parts of the active layer 19. Under this constitution, it is possible to reduce a threshold current and therefore, obtain a semiconductor laser capable of improving an external differantial quanttum efficiency.
Patent JP-S60158525-A (JP)
Inventor: FUJI AKIRA
IPC: H01H36/02
Filed: 1984-01-30
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-S60159910-A (JP)
Title: Annunciator circuit
Inventor: YAMAMOTO HIDEKAZU
IPC: G05B23/02
Filed: 1984-01-30
Abstract: PURPOSE:To raise an economical property and a function of a system for using annunciators by constituting so that three states of operation, abnormality and pause of an apparatus can be displayed by one lamp by receiving a normal operation signal of the apparatus. CONSTITUTION:An apparatus start contact is set as a contact SG2 an apparatus abnormality contact is set as a contact SG1, and the contents are displayed by an intensity of turn-on, and turn-off of a lamp. That it to say, an operation is displayed by a weak turn-on, and at the time of abnormality, the abnormality is informed by an intense turn-on + a flicker + a buzzer, and the flicker and the buzzer are stopped by a buzzer stop button. Also, at the time of pause of the apparatus, it is displayed in a shape of turn-off that the apparatus is in pause. In this way, a state of the apparatus can be displayed in three ways by one lamp, and an economical property and a function of an annunciator are raised in a system for using many annunciators.
Patent JP-S55106557-A (JP)
Title: Magnetic separator
Inventor: TAKINO KAZUHIKO
IPC: B03C1/04
Filed: 1979-02-09
Abstract: PURPOSE: To thrust out peeled substances to the peripheral parts of magnetizable discs and expedite conveyance, by embedding permanent magnets so that they are arranged in a spiral shape which opens from the center of the magnetizable disc in the opposite direction to the rotating direction of the disc.  
     CONSTITUTION: Waste water or the like supplied from an inlet port 7 comes into contact with rotating magnetizable discs 4 so that magnetic substances are attracted on the side and peripheral surfaces of the discs. The attracted substances 10 are moved with the rotation of the discs 4. The substances 10 attracted on the side surfaces are once peeled off when the substances reach comb members 92. The peeled substances are thereafter attracted again on the rotating magnetizable discs 4. Such peeling-off and attraction are repeated so that the substances are conveyed on the comb members 92 to the peripheral parts of the discs 4. The conveyance is expected by the action of permanent magnets 5 embedded as spiral. The attracted substances 10 conveyed to the peripheral parts are conducted onto fixed plates 93 and conjoined to other attracted substances. The conjoined substances are moved on the fixed plates and dropped from a removing section 94 onto a conveyor so that the substances are taken out. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H08209300-A (JP)
Title: High toughness steel excellent in machinability
Inventor: UNO MITSUO
IPC: C22C38/60
Filed: 1995-01-31
Abstract: PURPOSE: To inexpensively produce a high toughness steel excellent in machinability, particularly, in chip characteristics. CONSTITUTION: This high toughness steel excellent in machinability is the one having a compsn. contg., by weight, 0.25 to 0.45% C, 0.05 to 1.00% Si, 0.35 to 2.00% Mn, 1.00 to 4.00% Cr, 0.50 to 1.50% Mo, 0.05 to 0.50% V, <=0.50% Ni, <=0.0100% B, <=0.02% N, and the balance Fe with inevitable impurities, and in which the value of (2/3)%Cr+(4+5)%Mo+2%V satisfies 2.0 to 5.0% as well; where %X denotes the weight % of elements X. In addition to the same components, one or more kinds among Nb, Ti, Al, S, Pb, Te, Bi and Ca may be incorporated.
Patent JP-2000216299-A (JP)
Title: Semiconductor device, semiconductor package, and manufacture of it
Inventor: FUNAKURA HIROSHI
IPC: H01L21/56
Filed: 1999-01-21
Abstract: PROBLEM TO BE SOLVED: To reduce deflection amount of a package by connecting a thin-type silicon chip electrically to a wiring layer of an insulating base material, and forming a resin sealing layer of a low thermal expansion coefficient for protecting the thin-type silicon chip. SOLUTION: A Cu wiring layer resin 12 is formed on one surface of an insulating resin film 11 comprising a device hole 11a at its central part by a copper-foil photo-etching, etc. The end part of the Cu wiring layer 12 protrudes into the device hole 11a, constituting an inner lead group 12a. A silicon chip 13 which is thinner than the insulating resin film 11 is mounted on the wiring film, and a sealing resin layer 14 comprising a rubber-like resin of low thermal expansion coefficient is formed on an electrode terminal formation surface of the silicon chip 13 and outside the junction part between the electrode terminal and the inner lead 12a. Thus, cracking of a chip or defective mounting caused by deflection of a package is avoided.
Patent JP-H05263899-A (JP)
Title: Hst-type travelling gear shifter
IPC: F16H61/40
Filed: 1993-01-29
Abstract: PURPOSE:To avoid cavitation by holding an oil hydraulic motor output axis by means of a separating wall body, dividing the internal part of a mission case into a housing for the oil hydraulic motor and housings for a reduction gear device and a differencial device, and making a cleatance between the output axis and the separating wall body liquid-tight. CONSTITUTION:A mission case 1 comprises divided mission cases 1a and 1b at right and left respectively, and a separating wall body 31 is arranged and fixed at the mating face thereof. A bearing and an oil seal S are interposed on the periphery of an output axis 3 penetrating the separating wall body 31, and a chamber I constructed by the right mission case 1a is rendered a hydraulic oil tank including an oil hydraulic motor arranged therein and a chamber N constructed the left mission case 1b is rendered a lubricating oil tank including a reduction gear device and a differential gear device arranged therein. And then gear damaged scraps of the reduction gear device and the differential gear device and air are not sucked by an oil hydraulic pump and the oil hydraulic motor for preventing an HST gear shifter from generating damage and/or defects.
Patent JP-H03127-A (JP)
Title: Indirect heating in reaction room for endothermic reaction and apparatus for performing it
Inventor: MAURITSUIO BETSUETSUCHIERI
IPC: C10K3/02
Filed: 1990-01-23
Abstract: PURPOSE: To optimize the thermal conditions for a catalytic reaction by regulating the flow velocity of the flue gaseous stream of a fluidization portion before and behind the direction changing of the flue gaseous stream so that the wall part of the reaction chamber absorbing the heat has nearly the same temp. over the entire part in the axial direction. CONSTITUTION: The flue gas from a burner 19 is passed along the outer side of the surface of the wall part 4 of a reaction chamber 1 for endothermic reaction and the heat absorbed by this wall part 4 is released to the process gas from a supply pipe 6. The flue gas of a high temp. is passed along a barrier 8 over nearly the entire part in the axial direction of the reaction chamber 1 before the direction change thereof.  The flow velocity of the flue gaseous stream of the fluidization portion before and behind the direction change of the flue gaseous stream is so regulated that the wall part 4 of the reaction chamber 1 absorbing the heat has nearly the same temp. over the entire part in the axial direction by taking the heat exchange between the flue gas and the reaction chamber 1, the heat exchange to be effected through a barrier 8 between the reverse direction fluidization portion of the flue gas and the heat exchange by the heat radiation between the barrier 8 and the wall part 4 of the reaction chamber 1 into consideration.
Patent JP-H07226953-A (JP)
Title: Method and apparatus for analyzing movement between frames using color
Inventor: DAKURASU EDOWAADO PAAMU
IPC: G06T13/80
Filed: 1995-01-31
Abstract: PURPOSE: To provide a method and a device to detect a subtle change or motion between plural successive image frames based on visual observation and without repeating observation of the same image frame by an observer. CONSTITUTION: A multiple frame motion analyzing method by which a color is used is included in an imaging device 10. Memory 18 to store a series of a monochrome or a color image frame and a color display 22 to simultaneously display at least three image frames by a first, a second and a third colors which are mixed to form a monochrome are included in the imaging device. A still part among the displayed images is displayed by the monochrome. A changed or a moved part among the displayed image is displayed by one or more colors which are mixed to form the monochrome.
Patent JP-S63199719-A (JP)
Inventor: JIYON II DEYUUHAASUTO
IPC: B29C33/60
Filed: 1988-01-23
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-S55106740-A (JP)
Title: Manufacturing method of grater
Inventor: HOTSUTA HIROO
IPC: A47J43/25
Filed: 1979-02-08
Abstract: PURPOSE: To simplify the manufacturing process of a grater suitable for mass production, by applying a series of simple press machining processes to a rectangular plate to get a finished grater.  
     CONSTITUTION: A rectangular plate is pressed to form a rectangular concave 3, leaving a narrow margin 2 around it. The concave 3 is then pressed to make small holes 4 lengthways at certain intervals, and each hole 4 undergoes spot facing from the concave side with a drill press. An embossed guide 6, communicating with each small hole 4, is formed through press on one side of the holes 4 from the concave side, and cut-off edges 7 are made on the convex side of the concave 3. Then the margine 2 is pressed to form a preset shape of flange 8 through punching to get a grater plate 9. This simple manufacturing method with a series of press machining is suitable for mass production. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-S55107518-A (JP)
Title: Traveller for high speed operation
Inventor: HARADA TADAO
IPC: D01H7/60
Filed: 1979-02-07
Abstract: PURPOSE:A traveller for high speed operation in which the end periphery of the metal traveller has U-shaped to reduce the friction coefficient with the ring and lower the wearing of the ring flange, thereby being suitably used in fine spinning frames of high-speed rotation. CONSTITUTION:The end periphery 2 of metal traveller 1 has U-shaped to reduce the friction coefficient between the traveller in use 3 and the ring flange 5 in ring 4 and lower the wearing of the ring flange 5. The material of the traveller is S15CK with Hr 700-800 hardness. The increase of the rotation number in fine spinning frame or of the ring diameter in large package does not cause the increase in yarn break.
Patent JP-S59142954-A (JP)
Inventor: YAMADA SEIZOU
IPC: B65D65/42
Filed: 1983-01-28
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。