baber/WOPTO huggingface dataset:
Patent JP-H049245-A (JP)
Title: Method for casting engine
Inventor: HATANO HIROSHI
IPC: B22D25/02
Filed: 1990-04-25
Abstract: PURPOSE:To accurately form reference plane for machining without being influenced with any shifting even if position of side molds, etc., is shifted caused by using of metallic molds for long time by forming the reference plane for machining on inner circumference of an engine hollow part at step part arranged on outer face of a core. CONSTITUTION:The recessed step-like reference plane 13 for machining is formed on inner circumferential face of an exhaust part 6 with projecting-step part 7a at the time of casting. After casting, the engine is put on a jig plate through a seat metal and also, a jig for fixing is pushed against the reference plane 13 for machining to stop rotation and under this condition, a knocking hole for machining is formed from lower part of the engine. In the above result, even if positional shifting, etc., to the side molds 3, 4 caused by using of the metallic mold for long time, as the reference plane 13 for machining is formed on the inner circumferential face in the exhaust part 6 at the projecting step part 7a arranged at the outer side face of core 7, this reference face 13 for machining can be accurately formed without being influenced with shifting.
Patent JP-S5335107-A (JP)
Title: Commutator motor
Inventor: MARUNO MASAHARU
IPC: H02K23/66
Filed: 1976-09-10
Abstract: PURPOSE: To reduce the noise at the light load of motors by automatically lowering the applied voltage to rotors and stators and decreasing r.p.m. when rated load is turned into light load and the r.p.m. exceeds the specified value. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-H047315-A (JP)
Title: Preparation of melamine resin and molding material prepared from the resin
Inventor: UEDA YOSHIHISA
IPC: C08G59/14
Filed: 1990-04-25
Abstract: PURPOSE:To prepare a melamine resin excellent in the resistance to impact and water by reacting a glycidyl ester with melamine and then with formaldehyde under specific conditions and solidifying the reaction product. CONSTITUTION:Melamine (M) is made to react with a glycidyl ester (G) (e.g. diglycidyl adipate) in a molar ratio of G to M of 0.05-5.0; the reaction product is further allowed to react with formaldehyde (F) in a molar ratio of F to (M-G) of 1.0-3.0; and the resulting product is solidified.
Patent JP-H07320726-A (JP)
Title: Manufacture of negative electrode material for polymer solid electrolyte battery
Inventor: HIGASHIMOTO KOJI
IPC: H01M10/0565
Filed: 1994-05-24
Abstract: PURPOSE:To provide a negative electrode material for a polymer solid electrolyte battery, capable of enhancing wetting capability of edge surface of graphite with a polymer solid electrolyte. CONSTITUTION:Graphite powder is immersed in concentrated nitric acid to oxidize the edge surface of the graphite powder. The graphite powder 5 is immersed in a nonaqueous electrolyte 6 in which an alkali metal (lithium) is dissolved, and edge surface of the graphite powder 5 is reduced by electrically connecting the graphite powder 5 to a negative terminal of a charge/discharge power source 1 and by using a lithium metal sheet (alkali metal) 4 electrically connected to a positive terminal of the charge/discharge power source 1 as a counter electrode. Then the edge surface of the graphite powder 5 is oxidized by electrically connecting the graphite powder 5 to the positive terminal of the charge/discharge power source 1 and electrically connecting the lithium metal sheet 4 to the negative terminal of the charge/discharge power source 1.
Patent JP-H07317956-A (JP)
Title: Buried position indicator of buried pipe
Inventor: SATO KOICHI
IPC: F16L1/024
Filed: 1994-05-24
Abstract: PURPOSE:To provide a buried position indicator of a buried pipe by which the position of a buried pipe can be confirmed for a long period, without being abraded or removed by a vehicle or a bulldozer. CONSTITUTION:This indicator 1 is buried in the condition to expose its upper surface 1' on the road surface at the upper side of a buried pipe a, and it is formed of a soft material such as a synthetic resin body or a light alloy body. And the plain section of this indicator 1 from the upper surface 1' to the intermediate part is composed in the same indicating form.
Patent JP-H046375-A (JP)
Title: Turbo-refrigerating machine
Inventor: TANAKA NAOAKI
IPC: F25B43/04
Filed: 1990-04-24
Abstract: PURPOSE:To evaporate and gassify once liquid refrigerant, stagnated in an oil cooler or a liquid reserving chamber, and increase the efficiency of recovery by the operation of an air extractor by a method wherein the oil cooler is provided with a heater, evaporating the liquid refrigerant stagnated in the oil cooler upon recovering the filling refrigerant of a refrigerant circuit at the outside thereof. CONSTITUTION:In a turbo-refrigerating machine, provided with a refrigerant circuit 5 consisting of a turbo-compressor 1, a condenser 2, an expansion mechanism 3 and an evaporator 4 connected sequentially, an oil cooler 6, cooling the oil of the compressor by the refrigerant of the refrigerant circuit 5, and an air extractor 7, liquefying gas taken from the refrigerant circuit 5 and separating refrigerant from incompressible gas, the oil cooler 6 is provided with a heater 8, evaporating liquid refrigerant stagnated in the oil cooler 6 upon recovering the filling refrigerant of the refrigerant circuit 5 at the outside of the circuit.
Patent JP-H0410282-A (JP)
Title: Information recording medium, manufacture of above medium and information recording and reproducing device
Inventor: YAMAGISHI TORU
IPC: G11B7/24035
Filed: 1990-04-25
Abstract: PURPOSE:To shorten time for reproducing a ROM area by providing a process to detect the fault of the ROM area for the unit of a sector and a process to record a correct data into the alternative area concerning the defective ROM sector. CONSTITUTION:In a recording area having recording tracks composed of a lot of sectors, the ROM area recording information in advance not to record anything by a user is mixed with the ROM area to record/reproduce the information by the user, and a table for alternative sector is provided at a prescribed position in a RAM area for an information recording medium. Concerning this medium, the defective ROM sector inspection process is provided to detect the fault of the ROm area for the unit of the sector, and the defective ROM area alternate processing process is provided to record the correct data into the alternative area of the RAM and to provide the alternative ROM sector concerning the defective ROM sector detected by this inspection process. Thus, the time for reproducing the ROM area can be shortened, recording capacity can be increased and economicity can be improved.
Patent JP-H047113-A (JP)
Title: Injection molding method
Inventor: ONODA ARIHIRO
IPC: B29L9/00
Filed: 1990-04-25
Abstract: PURPOSE:To easily obtain a molded item having widely expressible multi-layer construction by a method wherein a thin-walled preformed article is installed between a female mold and a male mold having a sprue so as to be expanded to the inner wall of the female mold by injecting molten synthetic resin through the sprue. CONSTITUTION:A preformed article 4 is capped in a male mold 1. Under the state just mentioned above, the male mold 1 and a female mold 2 are mated to each other. In this case, the flange part 4a of the preformed article 4 is pinched between the male mold 1 and the female mold 2 so as to be fixed. In succession, when molten synthetic resin 5 is injected through a sprue 3, the thin-walled preformed article 4 is pushed by the molten synthetic resin, resulting in swelling in the fashion of blow molding and expanding to the inner wall of the female mold. Thus, surface layer 4b is formed on the surface of synthetic resin core material 5b, resulting in forming a cap. Other working example is the application to a compact container. When a preformed article, which is formed by laminating transparent film 23, leaf-shaped printed layer 22 and adherent modified polyolefin layer 21 onto the transparent resin layer 20 in the order is molded similarly as described in the case of the cap, printed pattern is seen floating above the surface of the core material 5, regulating in bringing about a unique appearance.
Patent JP-2000311510-A (JP)
Title: Luminaire equipped with photocatalyst
Inventor: HARASAWA YOSHITOMO
IPC: F21V7/22
Filed: 1999-03-13
Abstract: PROBLEM TO BE SOLVED: To enhance the air cleaning power of a photocatalyst. SOLUTION: A photocatalyst 12 is formed into a plane, and the planar photocatalyst 12 is disposed in a position irradiated with ultraviolet rays from a light source 11 and in a position making contact with ascending air heated by the light source 11. The air heated by the light source 11 ascends and makes contact with the planar photocatalyst 12. Because the photocatalyst 12 is activated by the ultraviolet rays generated from the light source 11, harmful matters in the ascending air in contact with the photocatalyst 12 are decomposed, thus cleaning the air. Because the photocatalyst 12 is activated by the light source 11 and disposed in an air convection path caused by the light source 11, the air in a room can be efficiently cleaned.
Patent JP-H04250244-A (JP)
Title: Wall frame element equipped with sharp spiny body for holding heat insulating panel
Inventor: KIYARORUDO PICHIETSUTO
IPC: E04B2/74
Filed: 1991-02-20
Abstract: PURPOSE: To bend each of prongs only in one direction and to bend the prongs on both sides of a stud in an alternate mode. CONSTITUTION: Studs 22 and plates, used to hold an insulating panel 28 against a slack in a hollow wall, and a bar to fix the solid insulating panel 28 in a wall are provided. These elements are formed of a sheet metal and contain prongs in a similar shape. The prong is elongated and provided with teeth protruding from one side in the direction of a pier. The inner end part of each prong is integrally held at a sheet metal and bent from a non-operation position paralleling the sheet metal to an operation position being orthogonal to the sheet metal. A stop part is protruded at a bending line from a stop body and makes contact with the sheet metal and holds a stop body in its operation position. The prong is protruded in its non-operation position from one side of the sheet metal and relatively deviated from the opening part of the sheet metal, and bent through the opening part.  A user can not bend the prong in a bent direction.
Patent JP-H01280597-A (JP)
Title: Shock-absorbing mechanism for knock-type writing implement
Inventor: HASHIMOTO YASUYUKI
IPC: B43K5/17
Filed: 1988-05-06
Abstract: PURPOSE:To absorb the shock of collision against a stopper and prevent an ink in a writing element and an occluding element from being disposed partially, by providing a means for damping a movement of the writing element by a frictional force, in the path of return of the writing element into a contained position in a main body of a writing implement. CONSTITUTION:A writing element 20 is inserted inside the inner peripheral surface of a main body 6 of a writing implement, a cylindrical knock rod 21 is inserted into the rear end of the writing element in the main body, and the rod 21 is provided with a slit 23 penetrating therethrough in a diametral direction. A deformed U-shaped fastening button 30 is inserted in the slit, and is provided integrally with a cylindrical button 31 at a part thereof. Two bases 33 are provided at the lower end of the button, the bases 33 are provided at the lower ends thereof with spherical protrusions 34, 34, which protrude outward and are brought into contact with slant parts 27 and rectilinear parts 28 of the slit by the elastic forces of the bases. With the button pressed, a coil spring 18 pushes the writing element and then the knock rod, when the protrusions are brought to the slant parts while damping the spring energy by frictional forces generated by the press-contact thereof with the wall surfaces of the rectilinear parts of the slit. The moving distance of the writing element after this process is short, so that the writing element is stopped at a low speed, and an ink in the writing element and an ink-occluding means are prevented from being disposed partially.
Patent JP-H07316719-A (JP)
Title: Extra thin steel sheet for two piece di can, excellent in flange workability
Inventor: TANAKA SEIICHI
IPC: C22C38/00
Filed: 1994-05-24
Abstract: PURPOSE:To produce a steel sheet for DI can, excellent in flange workability, by regulating the hardness, strength, crystalline grain size, and sheet thickness of a steel sheet, containing specific amounts of C, Mn, P, S, acid soluble Al, N, B, Ti, and Fe, to specific values, respectively. CONSTITUTION:This steel sheet is an extra thin steel sheet for two piece can. This steel sheet has a composition consisting of, by weight, 0.0005-0.002% C, 0.15-0.4% Mn, <=0.02% P, =0.02% S, 0.02-0.08% acid soluble Al, <=0.008% N, 0.0002-0.001% B, 3.4X([N wt.%]+0.0005) to 0.04% Ti, and the balance essentially Fe, and the amount of solid solution C is regulated to 0.0005-0.002%. This steel sheet has <=53 Rockwell (HR30T) hardness and =320N/mm tensile strength in rolling direction, and further, this steel sheet has 8.5-11.5 recrystallized grain size number and <=0.24mm sheet thickness. By this method, can strength can be combined with flange workability, necking workability, and DI workability.
Patent JP-H07292866-A (JP)
Title: Repair structure of new tile roof
Inventor: NIIZEKI TAKANOBU
IPC: E04D1/00
Filed: 1994-04-25
Abstract: PURPOSE:To carry out the repair structure of a new tile roof simply by a method wherein the upper and lower end sections of backing materials are superposed mutually and the backing materials are disposed on an existing new tile roof, air gaps are formed between the rears of the backing materials and a roof backing, and a roof material is arranged on the backing materials. CONSTITUTION:A backing material B1 is laid on an existing roof alpha consisting of a new tile roof material, etc. A roof material A1 at a lower stage is loaded on the backing material B1 at a lower stage, and fixed onto the roof alpha through the backing material B1 using a fixture beta such as a nail from the upper section of the fixing piece 4 of the roof material A1. A backing material B2 at an upper stage is loaded on the fixing piece 4 of the roof material A1 at the lower stage, the inserting engaging piece 7 of a roof material A2 at an upper stage is fitted and engaged into the engaging groove 2 of the roof material A1 at the lower stage, and the roof material A2 is loaded on the backing material B2. A roof material is roofed at every stage from the eave direction to the ridge direction. Accordingly gaps D of approximately triangular shape in its longitudinal sectional as flow paths for fresh air, etc., are formed among the existing roof alpha and the backing materials B, thus preventing the corrosion of the roof materials, etc.
Patent JP-H10288765-A (JP)
Title: Illuminatng optical system and projection display device using the same
Inventor: ITO YOSHITAKA
IPC: G02F1/13357
Filed: 1997-04-11
Abstract: PROBLEM TO BE SOLVED: To make a dark line caused by the axis of a cross dichroic prism inconspicuous. SOLUTION: As for an optical path polarizing means, an optical path polarizing part 180b is arranged so that an optical path where the partial luminous fluxes of third and fourth rows from the top row of the partial luminous fluxes nearly arranged along the same line direction pass through is deflected from the optical path of the another luminous fluxes. The partial luminous flux passing through the part 180b illuminates an illuminating area 5571a shifted in the -x direction with respect to an illuminating area 5561a by another partial luminous fluxes. On the other hand, an optical path deflecting part has a structure that an optical path deflecting part 180b is turned upside-down, so that the partial luminous flux passing through the part 180b illuminates an illuminating area 5581a shifted in the +x direction with respect to the area 5561a.  Thus, the dark line caused by the axis of the cross dichroic prism can be made inconspicuous.
Patent JP-S62273978-A (JP)
Inventor: SAANDORU BAATORI
IPC: C07D215/58
Filed: 1987-05-06
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-H04340092-A (JP)
Title: Laminated type heat exchanger
Inventor: KAMEOKA TERUHIKO
IPC: F28F9/00
Filed: 1991-05-15
Abstract: PURPOSE:To improve productivity, to reduce a cost, and to enhance a connecting strength of a side plate to a plate header by maintaining a temporarily assembled state without using a jig. CONSTITUTION:Through holes 4b are formed at both ends of a plate header 4, and a protruding piece 3a to be inserted into the hole 4b and a contact piece 3b abutting on the outer periphery of the header 4 in a state that the piece 3a is inserted into the hole 4b, are provided at both ends of the plate 3. The piece 3a is inserted into the hole 4b, and the end protruding from the hole 4b is caulked in a state that the outer periphery of the header 4 is made to abut on the piece 3b to secure the header 4.
Patent JP-S5537078-A (JP)
Title: Complex reflector antenna device
Inventor: TAKANO TADASHI
IPC: H01Q19/02
Filed: 1978-09-08
Abstract: PURPOSE:To prevent the deterioration of the radiation pattern near the axis within the specified pattern as well as to realize the wide-angle radiation pattern by improving the peripheral part of the secondary reflector of the complex reflector antenna device possessing the main and secondary reflectors plus the primary radiator system. CONSTITUTION:For the structure of the complex reflector antenna device possessing the main and secondary reflectors featuring the symmetric rotation plus the primary radiator system, the ambient curve of secondary reflector 2 is used as the line identifying surface doubling the semi-curve, and then magnifier glass surface part 3 is formed by securing angle alpha for the angle formed by the straight line parallel to the center axis of reflector 2 and the above mentioned curve. Then the function of curve coordinate t provided along the ambient curve of reflector 2 is given so that angle alpha  may have a sudden change into the specified direction when a circulation is given for coordinate t along ambient curve of reflector 2. Then the electric waves hit surface 3 are dispersed in a wide range and in the direction where angle alpha has a sudden change. Thus the the side lobe level emerging to the radiation pattern is lowered down in order to secure the radiation for the wide-angle radiation pattern.
Patent JP-S62267988-A (JP)
Title: Still picture reproducing device
Inventor: MINOURA NOBUO
IPC: G11B27/00
Filed: 1986-05-16
Abstract: PURPOSE:To change a reproducing picture automatically synchronizing with the prescribed timing of a music, or a narration, and to make unnecessary assistance by a person, by detecting a queue signal with a prescribed frequency outputted from a sound output terminal, and performing the prescribed feed of a magnetic head by responding to a detected signal, and operating the transfer device of the magnetic head. CONSTITUTION:A modulated video signal read out from a magnetic head 13 is sent to a reproduction processing circuit 18, and by demodulating and synthesizing a luminance signal, and a chroma signal respectively, it is outputted to an output terminal 19 as a reference color video signal. A control device 11 responds to an input from a forward feed switch, and a backward feed switch, etc., provided at an operation panel, and a detection signal from a queue signal detection circuit 20, and supplies an instruction regarding the transfer direction, and the transfer quantity of the magnetic head 13 to a device 14. The device 14 includes a stepping motor, and the magnetic head 13 is transferred in proportion to the rotating angle of the stepping motor. The queue signal inputted from the left channel output terminal of a tape recorder 30 through a signal line, is sent to a detection circuit 23 through a filter 21, and an amplifier 22, and is inputted to the control device 11.
Patent JP-H02288652-A (JP)
Title: Resident time display system in trunk line attendant board
Inventor: INABA TOMOKO
IPC: H04M3/60
Filed: 1989-04-28
Abstract: PURPOSE:To distinguish an incoming call whose standby time is long by displaying its resident time onto a trunk line attendant board when the resident call takes place. CONSTITUTION:When an incoming call reaches an office line trunk 2 and a trunk line attendant board 6 handles an incoming call of the office line trunk 1, a central processing section 4 starts a timer from this point of timer, which starts the measurement of the resident time of the office line trunk and this time is displayed on a display section 6a of the trunk line attendant board 6 via an interface section 5. After the incoming call processing of the office line trunk 1 during handling is finished, the operator of the trunk attendant board recognizes the resident time displayed on a display section 6 of the trunk line attendant board and handles the incoming call of the office line trunk 2. Thus, the trunk line attendant board operator distinguishes the incoming call awaiting a reply for a long time and an incoming call awaiting a reply for a short time and the rational incoming call processing is implemented.
Patent JP-S61267737-A (JP)
Title: Liquid crystal projection type display device
Inventor: SONEHARA TOMIO
IPC: G02F1/1335
Filed: 1985-05-23
Abstract: PURPOSE:To obtain a display device which is good in high-speed responsiveness, does not require a polarizing plate and has an excellent light utilizing rate by using an electrooptic light valve holding a ferroelectric liquid crystal between two sheets of transparent substrates for the light valve of the projection type liquid crystal display. CONSTITUTION:The liquid crystal light valve which utilizes the bistable switching of the molecule axes of the ferroelectric liquid crystal compsn. by the electric field is used for the light valve of the projection type display device having an illumination system consisting of a condenser lens 2 and a condenser mirror 6 for the luminous flux from a light source 4, the light valve 1, a projection lens 3 and a screen 5. The liquid crystal light valve which utilizes the electrooptic effect of controlling the light scattering by the electric field inversion of the ferroelectric liquid crystal compsn. is used. The light projection type display image having the excellent high-speed responsiveness and the high utilizing ratio of the light source light is thus obtd.
Patent JP-H05283695-A (JP)
Title: Thin film transistor
IPC: H01L29/78
Filed: 1992-04-03
Abstract: PURPOSE:To improve the yield and control the variation of product quality and improve the quality, by reducing the influence on thin film transistor characteristics caused by the variation in manufacturing process. CONSTITUTION:Regardless of structures in which a gate electrode is led out of a gate wiring or the gate wiring itself is used as the gate electrode, a thin film transistor has a structure in which a source electrode 3 normal to a gate electrode 1 and protruded from the gate electrode 1 is installed and a drain electrode 2 normal to the gate electrode 1 at the same layer as the source electrode 3 with a channel sandwiched between both sides of the source electrode 3 and protruded from the gate electrode 1 is disposed. Accordingly, since characteristics are not affected and operations necessary for TFT are secured even if the source electrode 3 and the drain electrode 2 largely deviate from the gate electrode 1 within the limit, the yield can be improved and further the variation of product quality can be controlled.