baber/WOPTO huggingface dataset:
Patent JP-H10230555-A (JP)
Title: Multilayered pipe and its use
Inventor: HATA NOBUHIRO
IPC: F16L9/12
Filed: 1997-02-19
Abstract: PROBLEM TO BE SOLVED: To provide a plastic pipe excellent in characteristics such as durability, corrosion resistance, flexibility or heat resistance, also excellent in gas barrier properties not permitting oxygen gas or other gases to pass, capable of suppressing the corrosion of metal parts of various equipments to which the pipe is attached, easy to mold or process, not generating a crack or whitening at the gent part or bonded part of the pipe and especially fitted to warm or hot water circulating, supply or discharge routes. SOLUTION: A multilayered pipe has a layer (A) composed of a resin compsn. consisting of 60-99wt.% of an ethylene/vinyl alcohol copolymer with ethylene content of 20-60mol% and a spanification value of 90% or more and 40-1wt.% of an ethylene/(meta) acrylic acid copolymer with (meta)acrylic acid content of 1-30wt.% and containing ethylene/(meta)acrylic acid copolymer particles dispersed in the matrix of the ethylene/vinyl alcohol copolymer, a layer (B) composed of polybutene or crosslinked polyolefin and a layer (C) bonding those layers.
Patent JP-S56131069-A (JP)
Title: Arc welding machine
Inventor: KAGIYAMA MORIO
IPC: B23K9/12
Filed: 1980-03-18
Abstract: PURPOSE: To improve the starting characteristics of arc, by connecting the rectifier circuit of pulse current to the midway of rectifier circuit of welding current and superposing the pulse current on the welding current when the arc is completed, so that the ball at the end of wire is made small.  
     CONSTITUTION: DC reactor 12 of the pulse current which is higher than the arc voltage is connected to the midway of DC reactor L 1  to be used for smoothening the welding current or an independent DC reactor is installed. Then, CO 2  welding, MIG welding, MAG welding, etc., are performed with only DC reactor L 1  without operating DC reactor 12. When the welding is completed, the pulse current is superposed on DC reactor L 1  from DC reactor 12. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-S56130362-A (JP)
Title: Ink jet recorder
Inventor: IWATOMO MUTSUMI
IPC: B41J2/01
Filed: 1980-03-18
Abstract: PURPOSE:To eliminate unwanted threading and seepage of ink on a recording paper by cancelling such hurmful air flows as blowing away ink yet to dry on the paper with a cancelling nozzle among those injected from an ink injection nozzle. CONSTITUTION:A hurmful air flow cancelling nozzle 19 is provided near a head 3 and adhead in the advancing direction relative to a drum 1 and connected to an air pump 18 by way of an air tube 20 and air pressure adjusting valves 21 and 17. A part of air flow injected from the nozzle runs in the direction of the drum turns as indicated by the arrow (e) to cancel air flows running in the direction of the arrow (b) injected from an ink injection nozzle 11. This prevents ink particles 22 from being blown away in the direction of the arrow (d).
Patent JP-H02286044-A (JP)
Title: Mixing and dispensing device for frozen sweet-making machine
Inventor: ROBAATO KEI NIYUUTON
IPC: G07F13/06
Filed: 1990-02-15
Abstract: PURPOSE: To mix weighed frozen cake with flavor materials and to distribute them by providing a distributing piston to be slid between a position proximate with a discharge head at one end and a position away from the discharge head inside the mixing cylinder of a mixing and measuring chamber. CONSTITUTION: When a discharge valve 44 is closed, the flavor materials containing edible solid objects and the frozen cake are guided into a mixing and measuring cylinder 31, a cake material inlet port 33 and a flavor material inlet port are closed, a rotary mixer 35 is driven, and the flavor materials and the frozen cake are mixed inside the mixing and measuring cylinder 31. Afterwards, the discharge valve 44 is opened, a discharge piston 36 is moved toward a discharge head 32, and the mixture is discharged from the mixing cylinder 31. The discharge piston is rotate inside the cylinder together with a rotary mixer and in case of distribution, the end face of the piston spins toward the inner surface of the discharge head.
Patent JP-H05230104-A (JP)
Title: Production of water-soluble low-molecular chitosan
Inventor: TSUSHIMO TADANOBU
IPC: C08B37/08
Filed: 1992-02-21
Abstract: PURPOSE:To easily obtain a water-soluble low-molecular chitosan useful as a plant-growth promoting agent and soil improver at a low cost by reacting a raw chitosan in a specific liquid mixture. CONSTITUTION:A raw chitosan having an average molecular weight of 50,000-3,000,000 is produced in a liquid mixture containing 100 pts.wt. of acetic acid, 1.5-2.5 pts.wt. of concentrated sulfuric acid and 400-600 pts.wt. of a hydrogen peroxide solution. A chitosan having an average molecular weight of 8,000-15,000 can be produced by the above process using the liquid mixture containing 10-20wt.% of acetic acid in terms of CH3COOH, 0.25-0.35wt.% of sulfuric acid in terms of H2SO4, 25-35wt.% of hydrogen peroxide in terms of H202 (the total of CH3COOH, H2SO4 and H2O2 is 40-50wt.%), 20-30mol of hydrogen peroxide (in terms of H2O2) based on 1mol of the structural unit of the chitosan and 220-320 pts.wt. of acetic acid (in terms of CH3COOH) based on 100 pts.wt. of the chitosan.
Patent JP-S55128307-A (JP)
Title: Mannesmann pipe making method of hard-to-work steel material
Inventor: NAKADA TAKESHI
IPC: B21B19/04
Filed: 1979-03-26
Abstract: PURPOSE: To enable pipe making to be readily done by forming a composite billet compounded with metal of good workability to the core part of the hard-to-work steel material billet and piercing this composite billet.  
     CONSTITUTION: At the steel ingot casting of the hard-to-work metal material to become blank, a metal 3 of good workability is suspended in an ingot case 1, after which the hard-to-work metal steel material 5 is cast to obtain the composite steel ingot. Thence, the composite billet A thereof is formed and this is cut to a suitable length which is then subjected to Mannesmann pipe making. Thence, the thin layer 6 of the metal of good workability left on the inside surface of the resultant pipe is lathed away, to obtain the final product. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-S57149019-A (JP)
Title: Coiling device for metallic sheet
Inventor: KATAOKA HIROSHI
IPC: B21C47/06
Filed: 1981-03-13
Abstract: PURPOSE:To automate coiling start of a metallic sheet perfectly by moving a metallic sheet guide roller vertically and thereby holding the tip of the sheet by changing the admission angle of the metallic sheet to the coiling axis. CONSTITUTION:A steel sheet M is introduced by a guide roller 1 and catches the tip of a slip sheet P hanging from between both-side guide plates 21 after unrolled from a slip sheet roll P0, and enters a movable guide roller 3 and further proceeds almost horizontally to a coiling axis 2. The tip of the steel sheet M is hung on five rollers, etc. of a guide mechanism 6, and rolled in a belt 5 that is circulated by rotation of the coiling axis 2 and coiled around the coiling axis 2. At the same time, the guide roller 3 is moved by a vertical shifting mechanism 13, etc. and a horizontal shifting mechanism 20, etc. to upper right position shown by a two-dot chain line. The rear part of the steel sheet M comes into contact with the tip of the steel sheet M at an obtuse angle to hold the tip, and coiling is made successively. Next, the guide roller 3 is returned to the original position and the guide mechanism is freed from guiding of coiling and moved to a position shown by a two-dot chain line by a retreating mechanism 7, and the coil on the coiling axis 2 is held down by a pressure roller 8 for coiling.
Patent JP-S56132774-A (JP)
Title: Lead acid battery
Inventor: NITSUTA EIJI
IPC: H01M10/14
Filed: 1980-03-19
Abstract: PURPOSE:To reduce the expansion of the plate, and increase the shock resistance of a lead acid battery by packing and fixing a packing material principally consisting of sulfur in any part or parts of the upper part, the lower part and the sides parts of an assembled element including a plate having a grid made of an expanded metal. CONSTITUTION:A packing material 7 principally consisting of liquid sulfur is packed and fixed in part, parts or all of the upper part, the lower part and side parts of an assembled element consisting of a positive plate 6 having a grid made of an expanded metal, a negative plate 4 and a separator 5. The packing material is prepared, for example, by melting 100pts. of rhombic sulfur at a maintained temperature of 130-150 deg.C, before 50pts. of hecoal dust (fine anthracite powder of about 200 mesh) is put into the molten rhombic sulfur and the mixture is mixed by stirring it.
Patent JP-H06248107-A (JP)
Title: Production of porous bead
Inventor: CHIYOU KOSEI
IPC: C08F2/48
Filed: 1993-02-24
Abstract: PURPOSE:To produce porous beads having wide allowable design ranges of particle and pore sizes, a large specific surface area, excellent strengths, and high resistances to creep, heat, and chemicals at a high production rate by a simple and easy particle-size control technique. CONSTITUTION:A monomer and/or an oligomer (A) polymerizable by irradiating with an energy ray is mixed with a phase-separating agent (B) which is compatible with or sol. in component A or sol. in a homogemeous soln. of component A and insol. in a polymer formed by irradiating component A with an energy ray and which is inert to the energy ray, giving a homogeneous polymerizable soln. the obtd. soln. is discharged dropwise and irradiated with the energy ray, and the component B and an unreacted residue of the soln are removed from the resulting product.
Patent JP-H05184096-A (JP)
Title: Dc motor employing magnetic shielding member
Inventor: KISHI TAKESHI
IPC: H02K23/26
Filed: 1992-01-06
Abstract: PURPOSE:To obtain a DC motor in which current does not fluctuate intermittently upon rotation, counter electromotive force is not produced, torque does not fluctuate, reverse torque does not function on the motor itself, and power consumption is suppressed. CONSTITUTION:A rotor comprises an N pole 1 of rod magnet 6, a conductor section 3 opposing thereto, and a rotary shaft 2 interposed between. The conductor section 3 is exposed whereas a conductor section 4 is surrounded by a magnetic shielding member. The magnetic shielding member has double structure of an inner layer 8 composed of magnetic material having high permeability and an outer layer 9 composed of superconducting material. When a superconducting wire is employed, power consumption is reduced drastically. In the DC motor according to the invention, current does not fluctuate, counter electromotive force is not produced, torque does not fluctuate, reverse torque is not produced, and power consumption is suppressed at all times.
Patent JP-S62192865-A (JP)
Title: Graphic display device
Inventor: MORIMOTO MINORU
IPC: G06T11/20
Filed: 1986-02-20
Abstract: PURPOSE:To improve the efficiency of the delivery of a command and the executing of the command by storing and executing a normal command out of the commands supplied to a display device to an FIFO once and executing immediately an immediate command. CONSTITUTION:From a CPU to a CPU interface 11, two kinds of the commands of a normal command to instruct a picture drawing and an immediate command to designate the rewriting of a cursor, color table, etc. The CPU interface 11 discriminates these command types, the normal command stores an FIFO 12 once and the immediate command is sent directly to respective parts. Consequently, the normal command is executed after it is stored into the FIFO 12, the immediate command is immediately executed, and therefore, the rewriting of the color table and the processing of the cursor relation can be rapidly executed and the efficiency of the command processing is improved.
Patent JP-H01210830-A (JP)
Title: Infrared-ray temperature distribution measuring instrument
Inventor: UMEBOSHINO AKIRA
IPC: G01J5/00
Filed: 1988-02-18
Abstract: PURPOSE:To reduce the influence of a reflection and to exactly measure a temperature extending from a low temperature area to a room temperature area by switching plural optical filters for allowing a specific wavelength area to transmit through in front of an infrared-ray detector. CONSTITUTION:Plural optical filters for allowing a specific wavelength area to transmit through are provided in front of an infrared-ray detector 15. In such a state, in accordance with a kind of object to be measured 10, the filters 17, 18 are switched 20. That is, when the object to be measured 10 is, for instance, other than glass whose reflection factor is small or an object being equivalent thereto, the filter 17 for allowing infrared rays of about 8-13mum to transmit through is used as a filter, and when the object to be measured 10 is, for instance, glass or an object being equivalent thereto, the filter 18 for allowing infrared rays of about 5-8mum is used as a filter. In such a way, at the time of using the filter 17, the temperature of a low temperature area can be measured, and at the time of using the filter 18, the temperature of a room temperature area can be measured.
Patent JP-H05201132-A (JP)
Title: Reversible heat color former
Inventor: GOTO HIROSHI
IPC: B41M5/337
Filed: 1992-01-27
Abstract: PURPOSE:To improve color development properties and achromation properties, by a method wherein a reversible heat color former comprising fluorane compound is used by combining the same with a developer having a long chain aliphatic group. CONSTITUTION:A reversible heat color former is comprised of a fluorane compound shown by a formula I (hereupon; R1 represents at least a 4C straight chainlike or branchlike alkyl group or annular alkyl group or aryl group or alkoxy alkyl group, R2 represents a hydrogen atom or at least a 2C straight chainlike or branchlike alkyl group or annular alkyl group or aryl group or alkoxy alkyl group, X represents a hydrogen atom or a 4C or less lower alkyl group cyano or a 4C or less lower alkyoxy group or alkoxy alkyl group and Y represents a 4C or less lower alkyl group or amino group or substituted amino group or cyano group) and used by combining with a developer having a long chainlike aliphatic group. A reversible color forming composition is heated, formed and achromatized by heating at the color development temperature or less.
Patent JP-S63263165-A (JP)
Title: Snow board
Inventor: SUTANREI SADORAA
IPC: A63C5/03
Filed: 1988-02-18
Abstract: The present invention relates to a board 1 suitable for use in descending a snow slope. The board 1 has a generally flat elongate base 15, a forward portion 2 with an upturned leading edge portion 12, a user support portion 4 and a rearward portion 3 comprising at least partly independently movable left and right support portions 18, 19 extending generally alongside each other rearwardly from said forward portion 2. The base 15 has outer side edges 7, 8 of generally angular cross-sectional shape for biting into the surface of a snow slope during turning in use of the board 1. The side edges are furthermore concavely arcuate, in plan view, so that the board 1 is substantially waisted intermediate its ends 12 and 14 so that the board can proceed along an arcuate path when one of its side edges 8 is weighted and the other 7 unweighted.
Patent JP-S53120158-A (JP)
Title: Power source control system
Inventor: TANAKA SHINICHI
IPC: G05F1/10
Filed: 1977-03-29
Abstract: PURPOSE: To enable power supply starting only by way of a specific key by providing a power source control circuit consisting only of an electronic circuit, utilizing a key strobe signal and removing the effects in uncertain levels upon power supply interruption. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-H01209491-A (JP)
Title: Price display system
Inventor: SHIRATAMA KOUICHI
IPC: G08B5/00
Filed: 1988-02-17
Abstract: PURPOSE:To allow customers to judge discount rates of goods and to induce a customer to buy goods by displaying not only specially reduced prices of sale goods but also fixed prices when the specially reduced prices are displayed. CONSTITUTION:A fixed price/specially reduce price identifying part 22 identifies whether price data 33 is a fixed price or a specially reduce price from the fixed price/specially reduced price identifying data 32 of goods, which is involved in data signals. When the data is identified as a specially reduced price, it is displayed on a price display device 24 in a price display part 2, and simultaneously the fixed price accumulated in a fixed price memory part 23 is displayed on a price display device 26. 'Specially reduce price' of a specially reduced price display device 25 and 'fixed price' of a fixed price display device 27 are turned on at the same time. Thus, customers can judge the discount rate of the goods and are induced to buy goods.
Patent JP-H03239028-A (JP)
Title: Optical repeater system
Inventor: HARASAWA SHINICHIRO
IPC: H04B10/297
Filed: 1990-02-16
Abstract: PURPOSE:To increase a main signal and a supervisory system signal at a high gain altogether by connecting a high diffusion optical fiber to both input and output terminals of a repeater and applying Raman amplification in forward and reverse directions with a pump wave from the repeater in the region of the high diffusion optical fiber respectively. CONSTITUTION:An optical input signal to a repeater 1 is inputted while being subject to Raman amplification at an optical coupler CPL1 with a pump wave from a laser diode LD1. Then the output of the optical coupler CPL1 is branched at a beam splitter BS to monitor the power of optical input and converted into an electric signal at an optoelectric conversion section O/E1 and a supervisory section SV supervises the power level. Then the optical output from an optical coupler CPL2 is subject to Raman amplification at an optical coupler CPL3 by using a pump light of a laser diode LD3 controlled by the supervisory section SV and send to a high diffusion optical fiber 3.
Patent JP-H02216693-A (JP)
Title: Bloch line memory device
Inventor: MARUYAMA YOJI
IPC: G11C11/14
Filed: 1989-02-17
Abstract: PURPOSE:To drive a Bloch line memory device in a wide temperature range by providing a means which detects the change of circumstances and a means which corrects the extent of movement of a pair of Bloch lines based on the detected value. CONSTITUTION:A sensor to detect the change of external circumstances is provided in a module 3, and the signal from this module is read by a controller 10, and a number (n) of driving pulses required for transfer per one bit is calculated, and this information is sent to a transfer counter 7. Each time a bit transfer signal is inputted, the transfer counter 7 sends nX(the number of bits)- number of signals to a driving magnetic field generating driver 9. When signals are inputted to this driver, it supplies current pulses to a driving coil 4 one by one. Thus, circumstance information is supplied to the transfer counter 7 to drive the Bloch line memory device in a wide circumstance range.
Patent JP-S51111936-A (JP)
Title: Cooling water change-over mechanism for an induction heating apparatus
Inventor: NITSUTA KOUICHI
IPC: F28F27/02
Filed: 1975-03-27
Abstract: PURPOSE: A cooling water change-over mechanism for an induction heating apparatus which is constructed so as to make the water supply to a heating coil to be controlled automatically to become adequate when the heating ended. 
     COPYRIGHT: (C)1976,JPO&Japio
Patent JP-H10232940-A (JP)
Title: Device and method for corner detection
Inventor: KURASHIGE MASAFUMI
IPC: G06T7/60
Filed: 1997-02-20
Abstract: PROBLEM TO BE SOLVED: To detect the respective corner positions of a specific area from an input signal with simple constitution. SOLUTION: This device is provided with a storage means which stores the input signal keyT and a corner detecting means 9C which detects a point where the signal level rises above a reference signal level for the 1st time by reading the input signal out of the storage means horizontally in order from the upper limit to the lower limit of a retrieval range and reading it out vertically in order from the left end to the right end of the retrieval range, detects a point where the signal level rises above the reference signal level for the 1st time by reading the input signal out of the storage means 9B obliquely at a specific angle in order from each corner of the retrieval range, and detects the corner positions by detecting four points differing in position among detected points.  Consequently, the respective corner positions of the area to be detected can be detected in a short time with the simple constitution.
Patent JP-H04277273-A (JP)
Title: Damping structure
Inventor: KURATA SHIGETO
IPC: F16F9/20
Filed: 1991-03-01
Abstract: PURPOSE:To reduce costs and to facilitate maintenance by carrying out an efficient damping against earthquake and the like by using the fewest damping devices, in a damping structure furnishing an active type and a passive type damping systems. CONSTITUTION:In a damping structure in which damping devices 1 to reduce the shaking of the structure responsing to an earthquake and the like are set in a pillar beam frame 31, the damping devices 1 are set to stories in which the movement between layers id the largest, the stories to be nodes of the first to the third low level peculiar vibration mode, for example. Futhermore, in an active type damping system, sensors 36 are installed on stories to the loops of the first to the third peculiar vibration mode where the response value can be found easily.
Patent JP-H01287465-A (JP)
Title: Apparatus and method of analysis in which liquid can be stirred
Inventor: MIMAKI HIROSHI
IPC: G01N35/02
Filed: 1989-02-17
Abstract: PURPOSE:To execute the transfer of reaction vessels by each piece and the stirring of the liquids to be inspected in the vessels with just one driving device and to make analysis by providing the driving device for the reaction vessel array of a rotary holding device for the reaction vessels and a friction member. CONSTITUTION:A rotary supporting table 1 moves intermittently clockwise around a shaft 40. The array of the reaction vessels 2 held in holes 25 is rotated by contact with the friction member in a region 101. Positioning and the rotational stirring of the liquids in the vessels are executed only by the driving device of the table 1. The liquids in the vessels 2 are rotated for a while by inertia and the mixing and uniformizing of the liquids with reagents progress even if the vessels are stopped by friction with the holes 25. An optical path 13 of a photometer 12 is formed in the non-rotating region and the liquids to be examined are subjected to photometry. The photometry is executed in 2 to 10 seconds after the automatic stop of the vessels 2. Sampling is executed by a dispenser 74 and a nozzle 8 is controlled in a suction position 31 and a discharge position 35 by a nozzle transfer device 79. The reagents are injected into the vessels by a dispenser 76 during the stoppage. The liquids after the photometry is subjected to waste liquid discharge 26 and cleaning liquid supply 27 by a cleaning device 72 and is thereby cleaned. The efficient analysis and operation are executed by this constitution.