baber/WOPTO huggingface dataset:
Patent JP-H09197713-A (JP)
Title: Developing device
Inventor: SAWADA AKIRA
IPC: G03G9/08
Filed: 1996-01-12
Abstract: PROBLEM TO BE SOLVED: To provide a non-contact type developing device using one-component developer which can suppress reduction in flowability of toner with time based on the toner at the start of use and can prevent reduction in image density and deterioration in gradation with time. SOLUTION: This device develops a latent image formed on a photoreceptor 1 in non-contact with the one-component type developer carried by a developing roller. The toner whose change of aggregating degree with time based on the toner at the start of use is <=10, and the change of angle of repose with time is <=8 degrees, or the change of apparent specific gravity with time is <=0.1g/cm<3> is used as the one-component type developer. Spherical toner may be used as the one-component type developer. Especially, the spherical toner whose distribution mode of shape coefficient is 1.00 is preferably used.
Patent JP-S59150955-A (JP)
Title: Carburetor with auxiliary acceleration pump
Inventor: II AKIRA
IPC: F02M7/087
Filed: 1983-02-15
Abstract: PURPOSE:To obtain excellent starting performance of an engine, by providing in an auxiliary fuel outlet passage an on-off valve for preventing outflow of fuel from an outlet portion of the auxiliary fuel outlet passage. CONSTITUTION:A carburetor of this invention comprises a first acceleration pump 7 the displacement of which is varied in association with a throttle valve 5 of the carburetor, a second acceleration pump 8 the displacement of which is varied in response to the negative pressure in an intake passage 2 at the portion thereof located on the downstream side of the throttle valve 5, and auxiliary fuel outlet passages 21, 23, 36. Here, arrangement is such that an on-off valve 40 is closed when the temperature of a carburetor 1 becomes high, so as to prevent outflow of auxiliary fuel from an auxiliary fuel supply nozzle 24 completely. Thus, since it is avoided that over-rich air-fuel mixture is filled in an intake manifold when an engine is stopped, it is enabled to obtain excellent starting performance of the engine.
Patent JP-H10205570-A (JP)
Title: Cylinder device
Inventor: MUTO YOSHITAKA
IPC: F16F9/46
Filed: 1997-01-21
Abstract: PROBLEM TO BE SOLVED: To provide a compact cylinder device with excellent machinability, assembly and profitability without restricting a mounting space. SOLUTION: For a cylinder device, a piston rod 3 is inserted in a cylinder tube 1 via a piston 2 to be freely moveable, the piston 2 has two oil chambers 4, 5 formed in the cylinder tube 1 to be mutually communicated via a bypass R and an open/closed valve is provided in the bypass R to be freely open/closed. The bypass R is formed in the piston rod 3 and the open/closed valve is provided in the piston rod 3 to open/close the bypass R so that the open/closed valve can be open/closed from the outside via a bush rod 10 passing through the piston rod 3 to be freely movable.
Patent JP-S62181385-A (JP)
Title: Water and oil repellent agent having high desoiling property
Inventor: MATSUO HITOSHI
IPC: C08G18/32
Filed: 1986-02-05
Abstract: PURPOSE:The titled water and oil repellent agent, consisting of a specific compound containing polyfluoroalkyl group, having high-degree of water and oil repellency and high desoiling property of hardly sticking dirt and readily releasing once stuck dirt. CONSTITUTION:A water and oil repellent agent consisting of a compound, constituted of (A) at least 2 terminal constituents containing polyfluoroalkyl group and (B) intermediate constituents linking the components (A) and having 800-20,000mol.wt. The component (A) has at least one polyfluoroalkyl group, preferably 4-16C perfluoroalkyl group linked through -CONH- linking groups and is expressed by, e.g. formula I. The component (B) is an urethane oligomer containing at least 2 above-mentioned linking groups and a hydrophilic molecular chain. The above-mentioned compound contains the components (A) and (B) linked through the above-mentioned linking groups and, e.g. a compound expressed by formula II. A monofunctional residue obtained by removing the residual -NCO group from a compound prepared from a polyfunctional isocyanate compound, etc., is preferred for the component (A).
Patent JP-S53107870-A (JP)
Title: Lighting device of electronic watches
Inventor: HANAOKA TADASHI
IPC: G02F1/13357
Filed: 1977-03-03
Abstract: PURPOSE:To reduce the load on a built-in battery and improve lighting effect by boosting the voltage of the built-in battery to a high voltage and applying said voltage intermittently at a low frequency to an electroluminescence device (EL plate) by a switching device.
Patent JP-H0666421-A (JP)
Title: Combustion device
Inventor: HIROSE YASUO
IPC: F23K5/00
Filed: 1992-02-07
Abstract: PURPOSE:To provide a combustion device which is capable of recovering heat from exhaust gas immediately after it is discharged out of a combustion device main body after combustion in the combustion device and utilizing the recovered heat for preheating combustion air and gaseous fuel, which is simple in construction and can be made larger in size and which has a high energy-saving effect and high safety. CONSTITUTION:A heat exchanging member 26 made of ceramic is provided in a combustion device main body 21, and an air-fuel duct through which combustion air and low-caloric fuel gas flow is flowed is connectively provided to the heat exchanging member 26. Thus, either one of the heat exchanging member 26 or the air-fuel duct 29 is permitted to rotate.
Patent JP-2000221744-A (JP)
Title: Image forming device
Inventor: ONISHI KAYOKO
IPC: G03G15/20
Filed: 1999-01-29
Abstract: PROBLEM TO BE SOLVED: To prevent the occurrence of thermal deformation by improving the strength of a guide part formed integrally with an exterior member, and to reduce the difference in level between guide surfaces of the guide parts formed separately in a sheet guiding direction as much as possible. SOLUTION: In this image forming device, a fixing part 7 where toner is thermally fixed to the sheet P is provided and plural rib shaped guide parts 80a and 81a for guiding a sheet to be carried inside the device are provided integrally to exterior members 80 and 81 installed near the fixing part. In this case, reinforcing projections 80b and 81b having hollow sections and extending so as to connect plural guide parts are formed on the plural exterior members.
Patent JP-S60166212-A (JP)
Title: Production of silicon carbide
Inventor: UMEMURA MITSUO
IPC: C01B31/36
Filed: 1984-02-09
Abstract: PURPOSE:To obtain easily a powdery silicon carbide of high purity, hydrolyzing a disilane compound expressed by a specific general formula in the presence of carbon powder, and reducing the hydrolysis product at a given temperature in a monoxidizing atmosphere. CONSTITUTION:A disilane compound expressed by the formula (R is H or the same or different monofunctional hydrocarbon group; X is halogen atom; n is an integer 1-5) is hydrolyzed in the presence of carbon powder to give a fine powdery silica obtained by hydrolysis of the disilane compound as a mixture thereof with the carbon powder. The resultant mixture is then reduced at 1,600- 2,100 deg.C in a monoixidizing atmosphere to give easily powdery silicon arbide. The above-mentioned disilane compound as a starting material can be easily purified highly by distillation, etc. at a low cost, and the aimed silicon carbide can be obtained economically in high purity.
Patent JP-S60165824-A (JP)
Title: Digital filter
Inventor: ASAI MAKOTO
IPC: H03H17/02
Filed: 1984-02-08
Abstract: PURPOSE:To eliminate the need for an internal oscillator and switches for lots of circuits by utilizing a transmission clock of input data as it is to control each shift operation or the like. CONSTITUTION:Serial input data A1-A4 and B1-B4 are shared by a distributor 1 and subjected to arithmetic processing by digital filter arithmetic sections 2, 3 according to a serial transmission clock. The least bits A1, B1 are inputted respectively to shift registers 21, 22 at first. Then bits A2A1 and B2B1 are transferred as shown in a figure (b) next. When the least bit is detected at a point X, switches 26, 27 are thrown respectively to the positions 1, 3. When both digital filter operating sections give outputs up to the 3rd bits, they are stored as shown in a figure (c). When up to the 4th bits are outputted succeedingly, all bits of the 1st digital filter arithmetic section 2 are occupied to all bits of the 1st and 2nd serial/parallel converters 24, 25 as shown in Fig. (d) and fetched to a latch circuit 8. The 4-bit latch circuit 8 is replaced to A4-A1 and B4-B1 at each two- bit time succeedingly alternately and parallel output is attained.
Patent JP-H07229570-A (JP)
Title: Ball valve device
Inventor: SUEHIRO ATSUO
IPC: F16K5/06
Filed: 1994-02-21
Abstract: PURPOSE:To prevent a member for positioning a valve seat and a ball valve from being loosened and to surely position the member. CONSTITUTION:In an inner circumference part of a main body 12, annular groove parts 19, 20, in which C-rings 21, 22 are installed, are formed on the outside of valve seats 16, 17. By means of them C-rings 21, 22, the valve seats 16, 17 and a ball valve 15 are positioned (positioning in the main body 12 extension direction). Two coned disc springs 24, 24 are arranged between the valve seat 17 on the right side and the C-ring 22, and the valve seat 17 is energized in the arrow A direction by energizing force of the coned disc springs 24, 24.
Patent JP-S59147138-A (JP)
Title: Two-cycle four-cylinder internal-combustion engine for ship
Inventor: MATSUI TAKEO
IPC: F16F15/24
Filed: 1983-02-14
Abstract: PURPOSE:To reduce the fourth vibration by half or less and reduce the fourth torsional vibration by determining a crank angle to be 25-65 deg.. CONSTITUTION:A practice to make a crank angle 90 deg., or a quatered angle, is disused and, instead, the crank angle (x) is determined to be 25-65 deg.. That is, when the crank angle is made 45 deg., the corresponding fourth vibration for a first and a second cylinder is completely balanced with that for a third and a fourth cylinder, making the resultant force zero. Also, when the crank angle is made 30 deg., the opening between the corresponding fourth vibration for the first and second cylinders and that of the third and fourth cylinders is made 120 deg., reducing the resultant force by half and generating vibration equal to that with a 6-cylinder engine. Further, when the crank angle is made 60 deg., the opening between the corresponding fourth vibration for the first and second cylinders and that for the third and fourth cylinders is made 240 deg., reducing the resultant force by half, generating vibration equal to that with a 6-cylinder engine.
Patent JP-2000217634-A (JP)
Title: Lid body having mirror for compact container
Inventor: KAWASHIMA HIDEYOSHI
IPC: A45D33/00
Filed: 1999-01-29
Abstract: PROBLEM TO BE SOLVED: To facilitate the removal of a mirror for the sorted recovery of a lid body having the mirror for a compact made of a synthetic resin. SOLUTION: This lid body having a mirror for a compact container comprises a rigid lid body 1 which is integrally molded of a synthetic resin material, a mirror attaching member 11 being rich in flexibility, which is fitted in the rear surface of the lid body, and is integrally molded from a synthetic resin material, and a mirror 21 which is affixed to the lower surface of the mirror attaching member 11.  In this case, for the lid body 1, a fitting short frame 4 is vertically hung from the vicinity of the outer periphery of a top plate 2, and at the same time, a first window hole 5 is provided at the central section of the top plate 2, and for the mirror attaching member 11, a risen section 13 being formed at the central section of a flat plate section 12 which is fitted in a fitting short frame 4, is fitted in the first window hole 5, and the mirror 21 is affixed to the lower surface of the flat plate section 12 with a double sided adhesive tape 22.
Patent JP-H02203946-A (JP)
Title: Operation of electric precipitator
Inventor: YASUMURA NAOKI
IPC: B03C3/68
Filed: 1989-02-02
Abstract: PURPOSE:To perform the operation of high reliability by a method wherein the operation of energy saving control is made possible to continue by one of two soot densitometers even when the other soot densitometer is changed with the elapse of time or breaks down and difference between the two soot concn. signals is checked. CONSTITUTION:The changes of the soot concns. with the elapse of time of the first and second soot densitometers 2-1, 2-2 and the difference between the soot concn. signals of the densitometers 2-1, 2-2 are investigated by a load control apparatus 4'. The control apparatus 4' uses the output of the densitometer 2-1 or 2-2 when the above mentioned changes with the elapse of time are a predetermined value or less and the above mentioned difference is predetermined value difference or less. When the above mentioned changes with the elapse of time exceed the predetermined value, the output of the soot densitometer not exceeding the predetermined value is used. Further, when the above mentioned changes with the elapse of time are the predetermined value or less and the above mentioned difference exceeds the predetermined value difference, the output of the soot densitometer larger in the soot concn. signal is used. As a result, operation of high reliability can be performed.
Patent JP-H05221740-A (JP)
Title: Joint structure of ceramic pipe
Inventor: IMAZATO TOSHIYUKI
IPC: C04B37/00
Filed: 1992-02-07
Abstract: PURPOSE:To provide a joining structure of ceramic pipe possible to attain high reliability in a high temp. atmosphere and easy to assembly free from high temp. oxidation of a joint part, defect by difference of thermal expansion, addition of a cooling device, crack generation at the time of operation or the like. CONSTITUTION:The cooling device is unnecessary and defect caused by oxidative corrosion or the difference of thermal expansion is prevented even at the high temp. atmosphere by using a ceramic joint 12 made of the same material as each of ceramic filters 11a, 11b, the upper side of the ceramic filter 11a is smoothly joined without slipping by providing a tapered part 15 and crack generation by stress concentration is prevented by providing a R worked part 14. Furthermore, filling work of an inorganic adhesive 13 is easily executed by providing a gradient worked part 12b and since the adhesive 13 is formed by mixing the same ceramic, difference of thermal expansion is small and joining strength is improved.
Patent JP-S55114933-A (JP)
Title: Gas extraction unit
Inventor: OONUMA HIDEO
IPC: G01N1/00
Filed: 1979-02-28
Abstract: PURPOSE: To degas dissolved gas efficiently and safely by making electric insulating oil into a prescribed vacuum state to separate dissolved gas and by extracting this dissolved gas by a reciprocating piston unit and by releasing it into a gas sample tube.  
     CONSTITUTION: Piston 7b is moved to the right, and then, valves 5, 8 and 9 are opened, and cylinder room 7a and gas sample tubes 14a and 14b are connected to vacuum pump 10 to make them into a vacuum state, and after that, three-direction valve 9 is switched to cut off connection to vacuum pump 10, and valve 3 is opened to flow insulating oil in oil pick-up equipment 4 into degassing vessel 1, and this oil is agitated. Thus, dissolved gas in oil is separated and released and is stored in cylinder room 7a and sample tube 14. Then, valve 5 is closed, and motor 6 is operated to move piston 7b to the left, and dissolved gas in cylinder room 7a is transferred to sample tube 14; and next, when valve 8 is closed to move piston 7b to the right, gas dissolved in oil in vessel 1 is released into cylinder room 7a. By repeating this operation, dissolved gas is degassed sufficiently. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H05153934-A (JP)
Title: Omelet rice capable of being frozen and preserved
Inventor: NAGAI KIYOHIRO
IPC: A23L35/00
Filed: 1991-01-22
Abstract: PURPOSE:To provide an omelet rice not causing the separation of an egg skin from an ingredient material even when heated and thawed, and capable of being frozen and preserved. CONSTITUTION:Raw egg is mixed with a gelling agent, extended into a thin filmy shape, and subsequently heated into at least a half-boiled state. An ingredient such as cooked rice is covered with the egg thin film and wholly heated so that the egg skin is thermally coagulated. In the produced omelet rice, the half-boiled egg skin is adhesively bonded to the whole surface of the rice ingredient to enhance the adhesivity of the egg skin to the ingredient, and the formation of pores in the egg skin can be prevented when thawed.
Patent JP-S56131805-A (JP)
Title: Combination valve
Inventor: MIYAKE MEGUMI
IPC: F15B11/05
Filed: 1980-02-25
Abstract: PURPOSE: To simplify the structure of a pressure compensating valve in a combination valve provided with a directional control valve and a pressure compensating valve by a structure wherein when the operating amount of the directional control valve exceeds a certain value, nearly the same pressure is given to the pressure chamber of the pressure compensating valve as to the spring chamber thereof.  
     CONSTITUTION: The directional control valve 2 having passages 20a, 20b connected with pressure chambers 13, 15 of an actuator 1 through ducts 14, 16 is provided with a spool 25 for connecting or disconnecting a discharge passage 24 and the like connected with a bridge passage 23, a tank 9. The pressure compensating valve 4 is made up so that a valve body 51 is inserted slidably into an inner hole 45 having an annulur groove 42 connecting with a pressure fluid source 3 and an annulur groove 43 connecting with annulur grooves 27a, 27b of the valve 2 and this valve body 51 is pushed by a spring 54 toward a pressure chamber 52. The fluid pressure from the fluid source 3 is controlled suitably by moving the valve body 51 in accordane with the difference between the fluid pressures which act in the pressure chamber 52 and the spring chamber 53. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-H09195508-A (JP)
Title: Batter installation device for form for concrete placing
Inventor: ICHIMURA NOBUO
IPC: E04G17/00
Filed: 1996-01-16
Abstract: PROBLEM TO BE SOLVED: To provide an installation device that is capable of keeping a holding washer upright constantly with directional adjustment at the flat part formed at a conventional shaft body being unnecessary, and works as required in conventional methods for lifting the holding washer on shifting to fastening of a batter is not required by adding a simple structure. SOLUTION: A batter installation device 1 for form for concrete placing is composed of a shaft body 2 having a connecting screw part 8 for connecting with a separator at its front end and a holding part 4 at its rear end and a holding washer 3 with fastening projections 12 and 13 formed at positions opposite to a contact part 11 for contacting with walers 9 and 10, and a fastening handle 5 interposed between the holding washer 3 and the holding part 4. A cylindrical sliding part that is fitted in back-and-forth sliding to the shaft body 2 is formed on a part where the holding washer 3 is loose-fitted to the shaft body 2, and the holding washer is kept upright against the shaft body 2 by sliding contact made between the cylindrical sliding part and the shaft body 2.
Patent JP-S52107549-A (JP)
Title: Differential current relay system
Inventor: SASAKI HIROSHI
IPC: H02H3/28
Filed: 1976-03-05
Abstract: PURPOSE: To provide a countermeasure for transient error of a current transformer causing the operational formula to be effective only for both values within a workable tolerance, by detecting second higher harmonic element of the differential output current and by phase comparing the current across each terminal for a current value exceeding a prescribed value. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-H06216203-A (JP)
Title: Bonding device
Inventor: YAMAZAKI NOBUHITO
IPC: B23K20/10
Filed: 1993-01-18
Abstract: PURPOSE:To provide a ultrasonic horn which improves stability of bonding by providing a vibration generation source to both sides of a horn supporter and by controlling the vibration generation source by separate output in a bonding device wherein the ultrasonic horn is attached to a bond arm. CONSTITUTION:A ultrasonic horn 20 has vibration generation sources 26, 27 at both sides of a horn supporter 28 and an oscillation device 40 which controls the vibration generation sources 26, 27 by separate output is provided. Thereby, vibration energy of the oscillation generation sources 26, 27 attached to a bonding tool side from the horn supporter 28 is not required to pass through the horn supporter 28. This therefore has an effect to reduce useless movement of the horn supporter 28 involved in transfer of energy to a bonding tool. Furthermore, since both sides of the horn supporter 28 become close to symmetry, characteristics variation of the vibration generation sources 26, 27 themselves is also effective for reducing rate of influence to the horn supporter 28.
Patent JP-S55119665-A (JP)
Title: Cheese of processed yarn for dyeing
Inventor: ISHII SEIJI
IPC: B65H55/04
Filed: 1979-03-02
Abstract: PURPOSE: To improve handleability and replaceability of a cheese, its uniform dyeing property, and rewinding property by a method wherein winding density is specified, the cheese width is set equal to the traverse width, and cheese lease angle is specified.  
     CONSTITUTION: A crimped yarn 2 such as false-twisting processed yarn having a percentage crimp of 3W50% is wound, with the cheese width equal to the traverse width, at a winding density of 0.05W0.40g/cm 3 , and with a cheese lease angle of 17W23°, forming roughly rectangular cheese ends. This constitution improves shape, handleability, and replaceability of the cheese, as well as uniform dyeing property and rewinding property. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H02204385-A (JP)
Title: Iii-v compound semiconductor single crystal and its production
Inventor: FUJII KATSUSHI
IPC: C30B11/00
Filed: 1989-01-31
Abstract: PURPOSE:To suppress the generation of defects and to always obtain a good crystal in the production of the III-V compd. semiconductor single crystal by a boat method by forming the share of the crystal growth stripes viewed from the plane perpendicular to the crystal growth direction to the shape which is flat or crowns downward when the edge corresponding to the free surface is assumed to be up. CONSTITUTION:This III-V compd. semiconductor single crystal has the following characteristics. The crystal growth stripes in the crystal section orthogonal with the major axis of the boat has the shape which is flat or crowns downward when the edge of the crystal corresponding to the free surface of a raw material melt is assumed to be up. The single crystal having such crystal growth stripes as mentioned above is produced by the following method. The side face side of a reaction tube 2 is heat insulated 5a, 5b to control the shape of the solid- liquid boundary at the time of filling the raw material melt 4 into the boat 3, sealing the boat into the reaction tube 2 and inserting the reaction tube 2 into a furnace 1, then executing the crystal growth.