baber/WOPTO huggingface dataset:
Patent JP-H05194457-A (JP)
Title: Method of purifying propylene oxide by extractive distillation
Inventor: EDOWAADO TOOMASU MAAKISU
IPC: C07D301/32
Filed: 1992-10-30
Abstract: PURPOSE: To remove oxygen-contg. impurities from a low purity propylene oxide raw material by using an extractive distillating agent of ethylene carbonate, propylene carbonate or the like and to purify propylene oxide.  
     CONSTITUTION: A low purity propylene oxide raw material contg. oxidized contaminants such as water, acetone and methanol is introduced into the lower half part of a distillation column having at least 25 theoretical number of steps, an extractive distillating agent of ethylene carbonate, propylene carbonate or a mixture thereof is introduced into the upper direction of the feeding part of low purity propylene oxide, and extractive distillation is executed. The distillation is executed under a pressure from 69 to 276 KPa, at (1:1) to (5:1) reflex ratio, 100 to 250°C reboiler temp. and 20 to 80°C overhead temp. The ratio of the low purity propylene oxide raw material to the extractive distillating agent is regulated to (1:1) to (20:1). 
     COPYRIGHT: (C)1993,JPO
Patent JP-H06316067-A (JP)
Title: Equipment and method for drying ink on printing medium
Inventor: CHIYUIN KIATO RIMU
IPC: B41J11/00
Filed: 1993-11-19
Abstract: PURPOSE: To dispense with a dedicated heater and a heat sink and realize a rapid printing throughput and the upgrading of print quality by providing a heat generating module, a heat conductive platen and a heat conductive contact point thereof in a printer. CONSTITUTION: In a device 10 for drying a printing ink, a printing medium 12 travels on a heat conductive platen 22 by a printer with a shaft 14 connected to a motor 16. Under the platen 22, heat conductive metal clips 24 are mounted. When an excess heat is generated during using this device, the heat conductible contact points of a transistor 30 and a platen 22 are retained by the metal clip 24. On the other hand, the transistor 30 is connected to a printed circuit board 26 to which electric power is supplied through wire 28. Thus a dedicated heater or a dedicated heat sink is no longer required and a rapid printing throughput and the upgrading of print quality are achieved.
Patent JP-H09134947-A (JP)
Title: Film manufacturing device
Inventor: HATAGUCHI MITSUAKI
IPC: H01L21/68
Filed: 1995-11-08
Abstract: PROBLEM TO BE SOLVED: To prevent the damage or transformation of a substrate in carrying by making a carry guide roller mobile freely in width direction of the strip substrate, and regulating the operation in width direction thereby preventing the slippage of a carry track. SOLUTION: A carry guide roller 501 is attached through a rotation mechanism such as a bearing, etc., to a support shaft 602, and the support shaft 602 is attached to a mounting block 603 through a rotation mechanism such as a bearing, etc., to a mounting block 603, and the mounting block 603 is fixed to a base plate 604. Both ends of a coil spring 601 are attached to a support shaft 602 and the base plate 604. The operation range of the carry guide roller 501 is restricted by the arrangement, etc., of the support shaft 601 and the coil spring 601.  This way, by making this device has a mechanism of operating the carry guide roller 501 in the width direction of the strip substrate 112, the transformation of the strip substrate 112 after formation of the film can be reduced, and the flaw or transformation of the strip substrate by the excessive slippage, etc., in width direction can be prevented in carrying.
Patent JP-H10160060-A (JP)
Title: Resin hose
Inventor: MIYAKE MASARU
IPC: B32B25/08
Filed: 1996-11-26
Abstract: PROBLEM TO BE SOLVED: To provide a resin hose which is excellent in oilproofing, heat resistance, and flexibility as well as excellent in layer-to-layer bonding at a high temperature. SOLUTION: This resin hose is provided with a tubular inner layer 1, and an outer layer 2 laminated on the outer periphery of the tubular inner layer 1. The tubular inner layer 1 is constituted of a double-layer structure of an inmost layer (A) 1a consisting of polyester elastomer and an inner layer (B) 1b, whose main component is thermoplastic polyurethane and which consists of resin composition including a saturated copolymer polyester resin, formed at the outer periphery of the inmost layer (A) 1a.
Patent JP-H11302333-A (JP)
Title: New pour point depressant obtained by (meth)acrylic monomer polymerization
Inventor: MISHRA MUNMAYA K
IPC: C08F220/12
Filed: 1998-10-20
Abstract: PROBLEM TO BE SOLVED: To obtain a (meth)acrylic ester copolymer with narrow molecular weight distribution usable as a pour point depressant for lubricating oils, by anionic polymerization of a mixture of each specific acrylic monomer in specified proportions. SOLUTION: This (meth)acrylic ester copolymer is obtained by anionic polymerization of a mixture comprising (A) 0-60 wt.% of at least one kind of acrylic monomer of formula I (R is H or methyl; R1 is a 1-5C alkyl)(e.g. methyl methacrylate, butyl methacrylate), (B) 0-60 wt.% of at least one kind of acrylic monomer of formula II (R2 is a 6-14C alkyl) (e.g. lauryl methacrylate), and (C) 15-80 wt.% of at least one kind of acrylic monomer of formula III (R3 is a 15-22C alkyl) (e.g. stearyl methacrylate); wherein the comonomer A and/or the comonomer B is (are) present and the sum of the comonomers A and B accounts for 20-85 wt.% of the final copolymer.
Patent JP-H10141260-A (JP)
Title: Oil circulating-type mechanical pump
Inventor: OMI TADAHIRO
IPC: F04C25/02
Filed: 1996-11-12
Abstract: PROBLEM TO BE SOLVED: To provide an oil circulating-type mechanical pump capable of well maintaining the seal effect of the mechanical pump, keeping the specified degree of vacuum, coping with corrosive gas, and securing the normal operation of the pump. SOLUTION: Gas and oil to be discharged from a discharge port a8 of a screw pump A as an oil circulating-type mechanical pump are introduced into an oil trap B, and oil is separated from discharge gas by filters b6, b7. This separated oil is introduced into deaeration chambers T1, T2 through flow control valves c5, c6. Both deaeration chambers T1, T2 are connected to a deaerating vacuum pump RP through flow control valves c7, c8, bubbles in oil are removed by the negative pressure action and fed out from the lower parts of both chambers through flow control valves c9, c10 by an oil circulating pump P, and oil is again poured into an oil poring port a10 of the screw pump A.
Patent JP-H04188729-A (JP)
Title: Formation of thin film
Inventor: IMAI KEITAROU
IPC: H01L21/316
Filed: 1990-11-22
Abstract: PURPOSE:To reduce a leak current and improve dielectric breakdown strength of a transition metal oxide film by arranging a substrate within a reaction vessel, introducing a radical of halogen or halogen delivative together with a raw gas including a transition metal element into a vessel and depositing a transition metal oxide film on the substrate by decomposition and oxidizing reaction of the raw material gas. CONSTITUTION:A reaction vessel 12 is structured by a reaction chamber 11, a quartz board 13, a supporting base 15, a spacer 16, an O ring 17, a vacuum pump 18 and a heater 19. A substrate 14 is arranged within the reaction vessel 12, a radical of halogen or halogen delivative is introduced into the vessel 14 together with raw gas including a transition metal element and a transition metal oxide film is deposited on the substrate 14 by decomposition and oxidizing reaction of the raw gas. Fetching of an organic metal compound or water into a deposited thin film can be suppressed by introducing a radical of halogen or halogen delivative into the reaction vessel together with the raw material gas of a transition metal as explained above. Thereby, a leak current of transition metal oxide film can be reduced and dielectric breakdown strength of such transition metal oxide film can be improved.
Patent JP-H10161972-A (JP)
Title: Bus converting device
Inventor: USHIGAMI SHINJI
IPC: G06F13/36
Filed: 1996-11-27
Abstract: PROBLEM TO BE SOLVED: To provide a bus converting device that can perform input/output of data at a high speed between devices connected to buses of different standards. SOLUTION: Two interfaces 100 and 101 are respectively connected to two buses of different standards. A control signal inputted from the interface 100 is converted by a contorl signal converting part 104 and outputted from the interface 101. Oppositely, a control signal inputted from the interface 101 is converted by the contorl signal converting part 104 and outputted from the interface 100. Besides, data inputted from one interface are directly stored in a transfer part 105. Data stored in the direct transfer part 105 are outputted from the other interface in spite of processing on the side of one interface.
Patent JP-2001128789-A (JP)
Title: Chair
Inventor: MASUNAGA HIROSHI
IPC: A47C3/026
Filed: 1999-11-08
Abstract: PROBLEM TO BE SOLVED: To provide a chair equipped with an optimal bend angle and a bend strength in response to the body weight, the figure and the type of work of a sitter by specifying the forward moving distance of the lower end of a back rest plate when a load is applied to the back rest, and restricting the L-shaped bend-warping angle of the back rest plate. SOLUTION: At the rear section of a seat section 16, a backrest frame 18 is erected. At the upper section and the lower section of the backrest frame 18, the upper section and the lower section of a backrest plate 26 are attached in such a manner that the upper section and the lower section may be rotatable around a horizontal axis in the lateral direction, and at least one of the upper section and the lower section may be vertically movable. Then, when an intermediate section of the back reset plate 26 is pressed backward, the backrest plate 26 is made to be bend-warpable into an L-shape for this chair. In such a chair, a restricting means which restricts the rotation of the lower end section 26a of the backrest plate 26 around the horizontal axis is provided between the lower section of the backrest frame 18 and the lower end 26a pf the backrest plate 26. Thus, the bent-warping angle of the backrest plate 26 is adjusted.
Patent JP-2000143819-A (JP)
Title: Preparation of softener-containing elastomer composition
Inventor: NISHIHARA HAJIME
IPC: C08L23/08
Filed: 1998-11-06
Abstract: PROBLEM TO BE SOLVED: To provide a preparation process of a softener-containing elastomer composition wherein a softener-containing elastomer composition having high mechanical properties is obtained. SOLUTION: In a preparation process of a partially or completely dynamically crosslinked elastomer composition comprising (A) a crosslinkable elastomer, (B) a thermoplastic resin, (C) a softener and (D) a softener retainer, first, (A), (C) and (D) are mixed without melting to prepare a master batch(MB), and subsequently, the MB and (B) are melt kneaded and dynamically crosslinked. Especially, when preparing MB, (E) a crosslinking agent and (F) a crosslinking auxiliary are mixed.
Patent JP-H05151617-A (JP)
Title: Optical information recording medium and manufacture thereof
Inventor: ISOMURA HIDEMI
IPC: G11B7/2405
Filed: 1991-11-29
Abstract: PURPOSE:To provide a stable optical information optical recording medium which is superior in recording and erase characteristics and withstands an thermal impact due to an environmental variation and at the time of recording. CONSTITUTION:Tantalum oxide, taltalum nitride or tantalum-nitride-oxide is used as first and second dielectric layer 2, 6 and first and second middle layers 3, 5 which consist essentially of zinc sulfide, are formed on a boundary which comes into contact with a recording layer 4. Thus a sticking strength between tantalum oxide, tantalum nitride or tantalum-nitride-oxide and the recording layer is improved and the medium withstands a thermal impact due to an environmental variation and at the time of recording and the recording and erase characteristics are improved.
Patent JP-H02920-A (JP)
Title: Manufacture of liquid crystal device
Inventor: KORIN MAACHIN UOOTAA
IPC: G02F1/1333
Filed: 1988-12-16
Abstract: PURPOSE: To enable a liquid crystal device to be used for a large-area optical shutter by directing the ligaments obtd. from a curable liquid toward a sheet and depositing the particles produced from the dispersion of the ligaments, thereby forming spacers. CONSTITUTION: A light transparent sheet 202 passes an electrostatic atomizing head 2 on a conveyor 4 and the ligaments of the liquid curable are generated from the front end of this atomizing head 2. The ligaments are dispersed to the charge particles of nearly the same size at a certain distance from the end. A UV radiation source 36 irradiates the particles through a quartz window 34 and the sheet 202 is wetted so that the particles adhere thereto when cured. An assembled display has liquid crystals 306 held between the sheet 202 and the second sheet 302 and the particles 206 act as the spacers. As a result, the use of the device as light transmission control, for example, the large-area optical shutter is made possible.
Patent JP-H10163005-A (JP)
Title: Metal oxide film resistor and its manufacture
Inventor: HATTORI AKIYOSHI
IPC: H01C7/00
Filed: 1996-11-27
Abstract: PROBLEM TO BE SOLVED: To obtain a method oxide film resistor having a wide range of resistance and small temp. coefficient by forming a first metal oxide protective film at least on an insulative substrate, metal oxide resistance film on the protective film, and second metal oxide protective film on the resistance film. SOLUTION: On an insulative substrate 1, a first metal oxide protective film 2 is formed which is composed of crystal grains grown in a columnal shape and oriented in a specified crystal plane. On the protective film 2, a metal oxide resistance film 3 is formed which is composed of crystal grains grown in a columnal shape. On the resistance film 3, a second metal oxide protective film 4 is formed which is composed of crystal grains grown in a columnal shape. It suffices so long as the protective films 2, 4 are made of a metal oxide film material having the same crystal structure as that of the resistance film 3. The resistance film 3 is pref. one contg. Sn oxide, In oxide and Zn oxide as main components, and the formed protective film 2 is 150-500nm thick.
Patent JP-H05150183-A (JP)
Title: Process information display device
Inventor: TANAKA ISAMU
IPC: G02B27/01
Filed: 1991-11-29
Abstract: PURPOSE:To obtain the process information display device which can display the operation contents of a specific operation process in an easy-to understand state for an operator in the operation process. CONSTITUTION:The process information display device is equipped with an information light projection device K having a process information storage device 11 stored with pattern information on an object 12 of operation in the specific operation process and operation indication information for indicating operation to be performed in the specific operation process, an optical information display means D which has a display surface where the pattern information and operation indication information read out of the process information storage device 11 are displayed, and an optical member A which projects information display light L emitted from the display surface in a specific direction, and a combiner C which is arranged in front of the operator M and transmits the light beam from the operation object 21 from the front to the rear so that the operator M can visualize the operation object 21 in front of the operator and also reflects or diffracts the information display light L projected from the information light projection device K in the direction where the operator M can visualize it.
Patent JP-H04188596-A (JP)
Title: Moistureproof film and dispersion type el panel
Inventor: NIKAIDO MASARU
IPC: B32B15/08
Filed: 1990-11-21
Abstract: PURPOSE:To provide high moistureproofness and prevent oxidation of metal foil or drop of the adhering force by controlling the moisture permeability of a plastic film which is a base of moistureproof film, and laminating this with metal foil which does not easily admit passage of water and/or vapor. CONSTITUTION:A foil made of a metal or alloy having a specific gravity of no less than 2.7 (18 deg.C) and a rigidity factor of 0.27X10<6>kg/cm<2> (18 deg.C) is formed over a plastic sheet containing 1-20wt.% hydrophobic resin particles having a mean particle dia. between 0.5-5mum, and a thermo-plastic adhesive layer is formed over one major surface of this laminated of plastic sheet and foil. Thereby an anti-moisture film having excellent moistureproof is obtained, which prevents oxidation of metal foil and drop of the adhering force.
Patent JP-H02164279-A (JP)
Title: Short-circuit preventing circuit for inverter device
Inventor: KONO TOSHIO
IPC: H02M7/537
Filed: 1988-12-15
Abstract: PURPOSE:To prevent the breakage, damage of an inverter by providing an interlocking circuit between the main semiconductors of a photocoupler of a driver circuit. CONSTITUTION:The short-circuit preventing circuit of an inverter device has a pair of driver circuits 6A-6B to which drive signals 3A-3B are input. These circuits 6 are composed of signal insulating photocouplers 9, an interlocking circuit 12 for forcibly interrupting one driver circuit 6, and a driver 10 for amplifying a drive signal 3. Thus, even if a noise, etc., is mixed in the OFF side driver circuit 6, its influence can be eliminated.
Patent JP-H08180613-A (JP)
Title: Head feeding mechanism
Inventor: SUDO SHINICHI
IPC: G11B21/02
Filed: 1994-12-21
Abstract: PURPOSE: To facilitate the positioning of a lead screw to a chassis at the time of fitting the lead screw to the chassis and moreover to eliminate backlash between a square hole bearing part provided on the chassis and the lead screw. CONSTITUTION: A square hole is formed in the chassis 2 and the bearing 4. The lead screw 3 inserted into the square hole is made of a magnetic substance, and is attracted by a magnet 1 to two surfaces of the square hole. Thus, the positioning accuracy of the lead screw 3 in the cylindrical direction is only dependent on the positional accuracy of the lead screw and the two wall surfaces inside the square hole bearing. In addition, backlash between the square hole bearing and the lead screw 3 is thus eliminated.
Patent JP-H10156738-A (JP)
Title: Screw fastening tool
Inventor: ADACHI MINORI
IPC: B25B15/00
Filed: 1996-11-28
Abstract: PROBLEM TO BE SOLVED: To provide a screw driver such that engagement of a screw head with a screw driver end is not easily undone and that the engagement of the screw head with the screw driver end can be undone easily and rapidly after an operation is finished. SOLUTION: A screw driver comprises a shank having a holding element 50 at its end and having a hole bored from its end and an engaging element 40 inserting a spring 70 into the hole and having a protruding piece on its end and a locking pin 42 on its side face. The engaging element 40 is limited in its moving range by a regulating part comprising guide grooves 210 (a, b, c) formed in the locking pin 42 and the shank, and, when fastening a screw, holds the screw while being buried in the holding element 50; when the rotating direction is reversed, the engaging element 40 is released from the holding element 50 and shifts to a state in which the screw is easily disengaged.
Patent JP-H09161442-A (JP)
Title: Tape cassette
Inventor: IKEDA TAKEHIKO
IPC: G11B23/087
Filed: 1995-12-06
Abstract: PROBLEM TO BE SOLVED: To prevent backlash between a lid and a slider during the nonuse period by arranging a pair of protruded parts on the both side parts of the front end part of the slider while providing a pair of recessed parts on the both end parts of a front wall of the lid. SOLUTION: When a slider 12 and a lid 11 are in closed state, that is, in the nonuse period of a tape cassette 10, a pair of protruded parts 12a and 12b at the front end part of the slider 12 is fitted respectively into a pair of recessed parts 11a and 11b of a front wall of the lid 11. A pair of the protruded parts 12a and 12b of the slider 12 is formed so as to be kept from protruding from the front wall of the lid 11 and the thickness and the height thereof are made the same as the thickness of a side wall of the slider 12 and the thickness of a bottom plate so that the pair is fitted into a pair of the recessed parts 11a and 11b of the lid 11 to integrate the slider 12 with the lid 11. This can prevent backlash between the slider 12 and the lid 11 during the nonuse period of the tape cassette 10.
Patent JP-H04193785-A (JP)
Title: Method for reforming inorganic material surface by laser beam irradiation
Inventor: UIGUNARAAJIYA SHIBAKURAMAN
IPC: C04B41/00
Filed: 1990-11-26
Abstract: PURPOSE:To improve the durability of an inorg. material by impregnating the material surface with solvent and then irradiating the surface with a laser beam to make the surface white and ceramic. CONSTITUTION:An inorg. material such as OYA-ISHI (a tuff) is impregnated or spray-coated with an org. solvent such as methyl alcohol and then allowed to stand to dry the material surface. The laser beam (a) from a laser oscillator is condensed by a condensing lens 1 formed by a ZnSe convex lens and reflected successively by a fixed mirror 2 and an oscillating mirror 3 to irradiate the surface of the inorg. material 5 placed on an X-Y table 4. The table 4 carrying the material 5 is moved at a fixed speed at right angles to the oscillating direction of the beam (a) to form a white ceramic band of specified width on the material 5 surface. The band-shaped ceramic layer is successively superposed on one another in the Y direction to make the entire surface of the material ceramic.
Patent JP-H09160410-A (JP)
Title: Image forming device
Inventor: HANEDA SATORU
IPC: G03G21/16
Filed: 1995-12-06
Abstract: PROBLEM TO BE SOLVED: To enable the thermal roller of a fixing part and the belt member of a preheating part in a fixing device to be rotated and carried, by the same single motor. SOLUTION: This device is constituted so that gears G201 and G202 are coaxially integrated to the thermal roller 201 and press-fixing roller 202 of the fixing part 30 respectively, to transmit the rotation of the press-fixing roller 202 to the thermal roller 201. On the other hand, a driving roller 43 for rotating the belt member 42 of the preheating part 40 is located on the downstream side of carrying by the belt and a gear G43 integrally rotated is provided in a position nearer to the gear G202 of the press-fixing roller 202. Thus, the device is constituted so that the gears G202 and G43 are connected to a gear G1 on the rotary shaft of a motor M used in common, with only one intermediate gear G2, to be simultaneously driven by the power of the motor M.
Patent JP-H02276831-A (JP)
Title: Expandable film or sheet
Inventor: FUJII TOSHIO
IPC: C08J5/18
Filed: 1989-12-07
Abstract: PURPOSE:To obtain the subject film useful for gathers part of disposable diaper having excellent expandability without generating blocking by extrusion molding raw material resin comprising ethylenic copolymer and linear polyethylene having specific densities respectively. CONSTITUTION:100-60 pts.wt. ethylenic copolymer having <=0.910g/cm<3> density is blended with 0-40 pts.wt. linear polyethylene having 0.910-0.945g/cm<3> density and used as a raw material. The raw material is molded by extrusion to afford the aimed film having physical properties such as <=60kg/25mm blocking property measured as peel strength at 180 deg.C, >=750% tensile elongation, >=30kg/cm Elmendorf tear strength, 20-2000kg/cm<2> 1% modulus. Besides, the extrusion molding is preferably performed after reaction of 0.001-0.1 pt. radical generating agent with said resin.