baber/WOPTO huggingface dataset:
Patent JP-S60163898-A (JP)
Title: Process for selective scission between 24 and 25 site of sterol
Inventor: TAKANO SEIICHI
IPC: C07J9/00
Filed: 1984-02-07
Abstract: PURPOSE:To carry out the selective scission of the 24-25 bond of a sterol, economically in high yield in an industrial scale, by reacting a sterol with trifluoroacetic anhydride and hydrogen peroxide in the presence of concentrated sulfuric acid. CONSTITUTION:For example, the 3-OH of cholesterol of formula I is acetylated, and the resultant OH-protected 3beta-acetoxycholesterol is oxidized preventing the opening of the double bond of the 5-position to obtain the 7-oxo compound of formula II. 1m-mol of the compound of formula II is made to react with preferably >=3ml of trifluoroacetic anhydride, 0.1-0.3ml of concentrated sulfuric acid (in terms of 98% sulfuric acid, based on 1ml of trifluoroacetic anhydride) and 0.05-0.2ml of H2O2 (in terms of 30% H2O2). The bond between 24 and 25 sites is opened by oxidation to obtain the 3alpha-acetoxy-7-oxo-24-trifluoroacetyloxy- DELTA5-cholene of formula III.
Patent JP-H07229890-A (JP)
Title: Underwater carbon dioxide concentration display device
Inventor: KANAZAWA YOSHIAKI
IPC: G01N33/18
Filed: 1994-02-16
Abstract: PURPOSE:To briefly display the concn. of carbon dioxide in water in a water tank and to enhance the watertightness of a connection part. CONSTITUTION:The underwater carbon dioxide concn. display device has a transparent lid 3, a main body 2 having the transparent lid 3 attached thereto watertightly in a freely detachable manner and forming a submersion layer and an air layer when immersed in water in a water tank, the liquid receiving part 4 formed on one end part of the main body 2 within the transparent lid 3 to communicate with the air layer 6, the carbon dioxide concn. indicator 5 received in the liquid receiving part 4 and color-changing corresponding to the concn. of carbon dioxide and the suction cup 9 attached to the main body 2 through a holder 8 in a freely rotatable manner and sucked to the inner surface of the water tank in a freely detachable manner.
Patent JP-H01197199-A (JP)
Title: Radio control type small airplane
Inventor: KURIBAYASHI SADATOMO
IPC: B64C39/00
Filed: 1988-02-01
Abstract: PURPOSE:To enable an airplane to land at a place without any landing way, without damage by enabling changing of the position of propeller in the reverse direction with respect to the advance direction, and arranging it such that it is placed at the rear position of the center of gravity of airplane body. CONSTITUTION:A horizontal tale 6 is fixed at the rear position between two columns 4a, 4b parallely arranged, while vertical tails 8a, 8b are fixed on each upper rear end. At the position slightly before the intermediate part between the columns 4a, 4b, a propeller support 12 housing therein a drive means driving a propeller 14 is provided being capable of turning around a horizontal axis. Main wings 20a, 20b are provided on a side wall part on the reverse side with respect to the side on which this support 12 is provided. This support 12 is provided such that it is placed at the rear position of the center of gravity of the whole airplane body at the time of changing of direction from advance to reverse, and it enables soft landing assisted by swelling of resilient bodies 26, 28.
Patent JP-H09208034-A (JP)
Title: Belt surface cleaning device of conveyor belt
Inventor: ANDO TAKASHI
IPC: B65G45/10
Filed: 1996-02-06
Abstract: PROBLEM TO BE SOLVED: To provide a belt surface cleaning device of a conveyor belt capable of obtaining the excellent cleaning effect to various kinds of conveyor belts. SOLUTION: A return side belt part 52 is excited from its back surface 52b side to vibrate the return side belt part by an oscillation roll 6 by exciting the oscillation roll 6 by a pair of right and left exciters 1, 1 so as to be oscillated, and acceleration is given to an adhered stuff to the back surface 52b so as to drop and remove the adhered stuff. The oscillation roll 6 is oscillated by the exciters 1, 1, and transmits the oscillation to a belt conveyor 50, and it is easy to increase the amplitude and the frequency to increase the excited force of the oscillation roll. When the oscillation frequency of the oscillation roll 6 agrees with the natural frequency of the return side belt part 52, the amplitude is increased by the resonance, and a large tapping action is generated on the return side belt part 52 by the oscillation roll 6.
Patent JP-S52103377-A (JP)
Title: Purification of space containing poisonous gas
Inventor: HASEGAWA RIYUUJI
IPC: A01M17/00
Filed: 1976-02-27
Abstract: PURPOSE: To economically and easily discharge the poisonous gas as low concentration lower than the discharge standard value, by inducing the air into the closed space, contained poisonous gas, being its concentration less than 750 ppm and treating the gas, discharged from the above space, with the active carbon layer. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S58138566-A (JP)
Title: Plasma key hole welding method
Inventor: SHIMAMOTO TAKIJIROU
IPC: B23K10/02
Filed: 1982-02-10
Abstract: PURPOSE:To easily execute titled welding without requiring any complicated welding condition control in case when welding is started, or providing a small hole and a cut groove on welding start point by using a gap provided in advance on a part to be welded of the welding start point of a base material, in place of a key hole. CONSTITUTION:On a welding start point of a part to be welded of butted base materials 3, 4, a small gap 7 of prescribed size is provided in advance. Subsequently, this gap 7 is used as a key hole, and welding is executed by a plasma arc torch 1. As a result, said state becomes same as the key hole exists immediately after start of arc, and plasma gas passes through the gap 7 and is jetted easily to the reverse side of the base materials 3, 4. At the point of time when the base materials 3, 4 are melted by this plasma 2, the base materials 3, 4 are brought close to the C and B directions, respectively, the gap 7 is closed, and welding is continued in the direction A. In this case, however, a key hole 8 is formed already by plasma 2, and a defect of the welding start part in case of forming a key hole as the case when there is no gap 7 is not generated.
Patent JP-S52103710-A (JP)
Title: Method of manufacturing cylindrical multi-blade fan
Inventor: SAYAMA GENJI
IPC: B21D53/78
Filed: 1976-02-27
Abstract: PURPOSE: To provide a method of manufacturing a cylindrical multi-blade fan having a simple and stable construction, wherein the assembly accuracy of blades is maintained, the suitability of the blades for assembly is improved and blade supporting force is increased. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S61185164-A (JP)
Inventor: DE ROOIYU
IPC: A21D2/26
Filed: 1986-01-31
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-S61183642-A (JP)
Inventor: DEBITSUDO KURAAKU UEIGERU
IPC: G03C1/498
Filed: 1986-01-31
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-H08227019-A (JP)
Title: Production of plastic optical fiber preform
Inventor: NONAKA TAKESHI
IPC: B29D11/00
Filed: 1995-02-08
Abstract: PURPOSE: To make it possible to easily obtain a large-sized optical fiber preform with low transmission loss by dropping a core soln. into a hollow clad pipe which is so arranged as to align its central axis to an approximately perpendicular axial direction and is closed at its bottom end, thereby polymerizing a core. CONSTITUTION: An org. low-molecular material and polymn. initiator constituting a clad 12 are injected into a hollow cylindrical body (for example, glass, etc.) 11 and this cylindrical body 11 is rotated to polymerize the material, by which the tubular clad 12 is synthesized. Next, the polymerized tubular clad 12 is taken out of the cylindrical body 11. The core soln. 13 composed of an org. low-polymer material and a low-polymer compd. having a high refractive index is dropped from a core soln. dropping device 14 into the tubular clad 12 which is closed at the bottom end and is so arranged as to align its central axis to approximately the perpendicular axial direction. The polymn. of the core 15 is then executed.  In such a case, the more specific examples of the low- molecular compd. of the high refractive index used for the core 15 include, for example, benzyl ester phthalate, 2-phenyl ethyl acetate, dimethyl phthalate, diphenyl sulfide, benzyl benzoate, etc.
Patent JP-S62275552-A (JP)
Title: Electromagnetic stirring apparatus for continuous casting
Inventor: IKEDA TSUTOMU
IPC: B22D11/10
Filed: 1987-01-30
Abstract: PURPOSE:To effectively execute stirring of molten metal at the non-solidified part in a mold by arranging magnetic flux shielding material at the position between copper-made mold and electromagnetic coil surrounding the mold and executing electromagnetic stirring by using the commercial cycle power source. CONSTITUTION:The electromagnetic stirring apparatus is assembled with the main pars of copper tube (copper-made mold) 1 having higher electric resistance than conventional copper and outside casing (iron core) 2. In the outside of the copper tube 1, jacket 6 is arranged as passage of cooling water. In the recess part of inner circumferential part of the outside casing 2, the electromagnetic coil 3 is arranged, and the magnetic flux shielding material 4 is arranged at the position between the copper tube 1 and the electromagnetic coil 3. The magnetic flux shielding material 4 is freely rotated through hinge 5 and by adjusting the rotating angle of it, magnetic flux density (strength of magnetic force to the molten metal flow) is freely selected and the electromagnetic stirring is executed. In this way, the strength of the molten metal stirring is adjusted and the mold with electromagnetic coil is minimized.
Patent JP-H02199043-A (JP)
Title: Bonding device
Inventor: MORIWAKI SACHIOSA
IPC: H01L21/52
Filed: 1989-01-30
Abstract: PURPOSE:To obtain a bonding device capable of raising bond strength without especially enlarging a pressurizing device by making constitution wherein an electric current is sent to an electrostriction material for local pressurizing set at one electrode side of a pair of members to be bonded for anode bonding between bond faces and both the members to be bonded are locally pressurized during anode bonding. CONSTITUTION:Both members 11 to be bonded of different materials such as glass 15 and Si 16 are set between a pressurizing device 12 and a receiving stand 13 and a pressing member of a pressurizing device 12 in a furnace 11. Then, in this state, the furnace 11 is heated to a given temperature in anode bonding of both the members to be bonded and DC voltage is impressed between the glass 15 and the Si 16 in a pressurized state of the pressurizing device 12. Further during charging of the electrostriction material 20 with electricity, AC voltage with 90 deg. phase shift in time is impressed to two sheets of piezoelectric ceramics 22a and both the members to be bonded are locally pressurized. As the result of the operations, bond strength between a pair of materials to be bonded of different materials such as the glass 15 and the Si 16 can be raised without specifically enlarging the device 12.
Patent JP-H04328108-A (JP)
Title: Polyethylene oxide wax and method for using same as lubricant for plastic molding material
Inventor: GERUTO HOONERU
IPC: C08F8/14
Filed: 1992-02-05
Abstract: An ester made from an oxidised polyethylene wax and a monofunctional C1- to C8-alkanol has, as a lubricant, a very strong release action in thermoplastic moulding compositions, in particular based on vinyl chloride polymers. In addition, it does not reduce the transparency, in particular in calendered films or sheeting.
Patent JP-H10224570-A (JP)
Title: Facsimile equipment
Inventor: SUZUKI OSAMU
IPC: H04N1/21
Filed: 1997-02-03
Abstract: PROBLEM TO BE SOLVED: To quickly start the read of image information from an original and to improve convenience by providing two read systems and reading the image information by the other read system when one read system is in an unexecutable state. SOLUTION: An image read part 11 to which an ADF(automatic document feeder) is mounted is provided with the two read systems for reading the image information of the original manually mounted on a contact glass or the image information from the original carried by the ADF and passed on a slit glass. When the read and transmission request of the image information from a PC is present when the read of the image information by one read system is impossible, a CPU 21 reads the image information from the original differently set by the other read system and sends it through a centronics I/F 15 to the PC.
Patent JP-H07230093-A (JP)
Title: Production of liquid crystal panel
Inventor: YAMAZOE HIROSHI
IPC: G02F1/137
Filed: 1994-02-17
Abstract: PURPOSE:To improve the display grade of a liquid crystal panel by idealizing the orientation of antiferroelectric liquid crystal molecules. CONSTITUTION:One means is to obtain an empty cell by disposing the main surfaces of a pair of substrates opposite to each other and sticking these substrates to each other apart a desired spacing maintained therebetween. This empty cell and an antiferroelectric liquid crystal are heated to a temp. at which the antiferroelectric liquid crystal compsn. exhibits an isotropic liquid state. The antiferroelectric liquid crystal is then packed into the spacing and simultaneously, a fixed magnetic field parallel with the substrate planes is impressed to the compsn. The compsn. is cooled in this state. As a result, the uniformity of the orientation of the liquid crystal molecules is obtd. by utilizing magnetic fluxes.
Patent JP-2000219429-A (JP)
Title: Device and method of winding thread
Inventor: TERASAKA HIROYUKI
IPC: B65H67/048
Filed: 1999-01-28
Abstract: PROBLEM TO BE SOLVED: To simplify the structure of a tip support part, to improve the rigidity thereof, and to provide the excellent performance while restricting the vibration level low by providing a least two spindles for holding a bobbin, a number smaller than the number of spindles by one of tip support member freely to be slid between the winding position and the waiting position. SOLUTION: At least two spindles 1a, 1b to be separately rotated by motors are held so as to be turned between the winding position and the waiting position in relation to a frame 3. A number smaller than the number of the spindles by one of tip support member 2 for supporting each tip of the spindles 1a, 1b is held freely to be moved in the horizontal direction in relation to a slide base 6, and driven by a motor, an air cylinder or a hydraulic cylinder. The tip support member 2 can be freely moved between the waiting position and the winding position in response to the turning of the spindles 1a, 1b.
Patent JP-H07227107-A (JP)
Title: Fertilizing apparatus of transplanter for non-tilled field
Inventor: ISHIDA ISAO
IPC: A01C11/02
Filed: 1994-02-17
Abstract: PURPOSE:To provide a fertilizing apparatus of a transplanter for non-tilling field capable of performing smooth continuous fertilizing by preventing the clogging of a groove-making device with soil. CONSTITUTION:In this fertilizing apparatus of a transplanter for non-filling field, a transplanting apparatus is attached on a mobile vehicle through a link mechanism in a vertically movable state. A groove cutting device 4 for cutting a groove on a field for transplanting is attached on a lower front position of the transplanting apparatus. A groove-making device 6 for fertilizing a fertilizer supplied from a fertilizer tank onto the field is attached at the back of the groove-cutting device 4. A blocking plate for blocking the intrusion of soil to prevent the groove-making device from clogging is attached on the bottom of the groove-making device 6.
Patent JP-H02203880-A (JP)
Title: Baseball game
Inventor: MIZUKAMI SUSUMU
IPC: A63F3/00
Filed: 1989-02-01
Abstract: PURPOSE:To enable everyone to understand the above game and enjoy it by using one die where a hit, a strikeout, a two-base hit, an out, a three-base hit and a home-run hit are given as an offensive die and using the other die where a stolen base and a feint are given to three faces each as a fielding die. CONSTITUTION:One die where a hit 1a, a strikeout 1b, a two-base hit 1c, an out 1d, a three-base hit 1e and a home-run hit 1f are given to the respective faces is used as an offensive die 1, and the other die 2 where a stolen base 2a and a feint 2b are given to three faces each is used as a fielding die. One pair of dies may be general regular hexahedrons, or spherical dies formed by forming cavities in the interior of a spherical body and freely inserting and removing a weight or the like in a cavity recess portion radially depressed in the regular hexahedral directions in the cavity portion, or the respective faces of a pencil-like regular hexahedral prism may be used. Chips are used for showing that a runner exists on a base, and if chips are placed on a game board, advance on the board can be easily done.
Patent JP-H08188405-A (JP)
Title: Production of ii type ammonium polyphosphate
Inventor: WATANABE MAKOTO
IPC: C01B25/40
Filed: 1995-01-12
Abstract: PURPOSE: To easily and highly purely obtain a II type ammonium polyphosphate by thermally polycondensing a phosphate salt group-containing substance with a condensing agent under a specific condition. CONSTITUTION: A phosphate salt group-containing substance is thermally polycondensed with a condensing agent in the presence of a II type ammonium polyphosphate as a compound (seed compound) for forming crystals in an ammonia-containing wet air condition. The phosphate salt group-containing substance includes monoammonium phosphate and diammonium phosphate. The condensing agent includes urea and ammonium carbonate. The molar ratio of the phosphate salt group-containing substance to the condensing agent is usually approximately 0.2-2, and the weight ratio of the phosphate salt group- containing substance and the condensing agent to the seed compound is usually approximately 0.5-50. The concentration of the ammonia in the ammonia- containing wet air is approximately 0.05-10vol.%, and the concentration of the water is usually approximately 1-30vol.%.  The heating and condensing temperature is approximately 250-320 deg.C.
Patent JP-H08198661-A (JP)
Title: Sintered material made of calcium phosphite and zeolite powder and its production
Inventor: SAITO TETSUO
IPC: C04B33/132
Filed: 1995-01-13
Abstract: PURPOSE: To produce a sintered material usable as a structure or a building material by using a calcium phosphite generated from a regenerating treatment of an electroless nickel plating waste liq. CONSTITUTION: This sintered material is produced by mixing and controlling 5-50wt.%, calcium phosphite, 5-50wt.% zeolite powder and a small quantity of the third component, forming the mixture under pressure and sintering within a temp. range of 1000-1200 deg.C. As a result, characteristics excellent in bending strength, minimum in dimentional change and deforming and excellent in water retention and water permeability are obtained, and the material can be used mainly as a burned building material such as tile for pavement, exterior and interior tile.
Patent JP-2000217550-A (JP)
Title: Duck meatball
Inventor: MURAOKA YOSHINORI
IPC: A23L13/60
Filed: 1999-01-29
Abstract: PROBLEM TO BE SOLVED: To obtain a duck meatball having a good flavor and capable of making a person hard to be suffered from diseases caused by customs in life by mixing and kneading a duck meat, meat of a cross-bred of wild and domestic ducks, chicken meat, etc., in a meatball produced by kneading a pork meat, cattle meat, etc., to form it a dumpling like shape. SOLUTION: This meatball is obtained by charging a ground boneless chicken dark meat, and dark meat and fatty meat of a cross-bred of wild and domestic ducks with onion and Welsh onion cut into fine pieces, and a seasoning liquid into an agitator, agitating for mixing, then keeping it cool rounding to a spherical shape, roasting its surface with a plant oil, immersing into a seasoning liquid and then roasting it on a skewer.
Patent JP-H07227835-A (JP)
Title: Resin kneader and apparatus and method for producing resin sheet for inspection
Inventor: KAMINAGA KENZO
IPC: B29B7/72
Filed: 1994-02-18
Abstract: PURPOSE:To provide a resin sheet producing apparatus excellent in the safety for efficiently and automatically producing a resin sheet for inspection. CONSTITUTION:A pair of heated kneading rolls 11, 12 are provided in opposed relationship at a minute interval and the roll 11 is rotated at a high speed while the roll 12 is rotated at a low speed in a direction sucking a resin from above and the resin is charged in the trough part between the kneading rolls 11, 12 to be bonded to the high speed rotary roll 11 to be melted and, further, the resin falling from the fine interval between the rolls 11, 12 is received by a belt to be fed and brought into contact with the high speed rotary roll 11 to be bonded thereto to be melted. The resin is kneaded while the fine interval between the kneading rolls 11,12 and the axial effective width thereof are changed. After the fine interval between the kneading rolls 11, 12 and the substantial axial effective width thereof are adjusted to specific values, the sheet on the high speed rotary roll 11 is brought into contact with a sheet frame to be transferred thereto to produce a resin sheet for inspection.
Patent JP-S62180789-A (JP)
Title: Emulsion adsorptive mat and its production
Inventor: KATSURAGI TAKAO
IPC: B01D17/00
Filed: 1986-02-04
Abstract: PURPOSE:To produce at mat which can adsorb only the emulsive oil component by suspending vegetable fibers imparted with hydrophobicity in water, releasing pressurized water satd. with air into the water to float the suspended fibers to form a porous fiber layer then dehydrating and drying the same. CONSTITUTION:The pressurized water sated. with air is released into a liquid such a raw material liquid prepd. by suspending the vegetable fibers preliminarily imparted with hydrophobicity into the water or raw material liquid prepd. by suspending the vegetable fibers into the water in which a hydrophobic material (e.g., hydrophobic silicone resin) is preliminarily dissolved. A large amt. of the microfoam generated by such release is stuck onto the suspended fibers and is floated. After the porous fiber layer is formed on the water surface in the above-mentioned manner, the fiber layer is taken on to a wire net and is dehydrated and dried to produce the emulsion adsorptive mat. The mat contains a large amt. of fine spaces in the inside and can maintain the strength thereof by the hydrogen bond among the constituting fibers. The mat is capable of selectively adsorbing away only the emulsive oil-component.
Patent JP-S62181255-A (JP)
Title: 1,4-dihydropyridine derivative
Inventor: IKAWA HIROSHI
IPC: C07D211/90
Filed: 1986-02-04
Abstract: NEW MATERIAL:A compound shown by formula I [X is nitro, halogen, cyano, etc.; Y is H or halogen; R<1> is CH3, methyl wherein one or two H are replaced with OH, OCH3, etc., or aldehydo; R<2> is 3-6C straight-chain hydrocarbon group containing one or two double or triple bond (in conjugated state) or group wherein phenyl group is bonded to end of the straight-chain hydrocarbon group]. EXAMPLE:4-(2-Nitrophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarbo xylic acid 3-methyl ester 5-cinnamyl ester. USE:A drug having high hypotensive action, late maximum pressure drop reaching time and long duration time of hypotensive action. PREPARATION:For example, a compound shown by formula II (Z is OH or acid residue of active ester) is reacted with an alcohol shown by formula III. This reaction is carried out in the presence of a dehydrating condensation agent and optionally in the presence of a base in an inert solvent in the case wherein Z is OH to give a compound shown by formula I.