baber/WOPTO huggingface dataset:
Patent JP-S56152703-A (JP)
Title: Preparation of composite tubular semipermeable membrane
Inventor: IWAMA AKIO
IPC: B01D69/04
Filed: 1980-04-26
Abstract: PURPOSE:To prevent damage of a semipermeable membrane due to negative pressure, by coating a dope prepared by dissolving a proper polymer in a polar organic solvent on the inner face of a tubular porous base having a specified gas-permeability, and solidifying this coated layer. CONSTITUTION:A proper polymer is dissolved in a polar organic solvent, and a dope having 10-40wt% polymer content and 10-1,000poise viscosity is prepared. This dope is coated on the inner face of a tubular porous base to form a dope coated layer 50-400mu thick, and this is solidified to form a composite tubular semipermeable membrane having 0.2-8sec gas permeability. A polymer suitable for forming the semipermeable membrane is polyimide represented by formula I in which R is a divalent organic group. As a porous base, a tube consisting of woven or nonwoven fabric made of polypropyrene fiber or polyester fiber, a porous ERP tube, a sintered metallic tube, a sintered ceramic tube, etc. are usable.
Patent JP-S55148095-A (JP)
Title: Enzymatic preparation of l-tryptophan
Inventor: ASAI YOSHIYUKI
IPC: C12R1/37
Filed: 1979-05-09
Abstract: PURPOSE: To prepare L-tryptophan by treating indole and DL-serine or D-serine with tryptophan-synthetase or tryptophanase in the presence of enzyme capable of racemizing serine.  
     CONSTITUTION: L-Tryptophan is prepared from indole and DL-serine or D-serine by the enzymatic action of tryptophan-synthetase or tryptophanase, in the presence of enzyme capable of racemizing serine, thereby converting at least a part of D- serine into DL-serine. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H08249003-A (JP)
Title: Controller
Inventor: YUZAWA HIDEYUKI
IPC: B21B37/00
Filed: 1995-03-15
Abstract: PURPOSE: To attain the follow-up of a controlled variable to its target value with no delay of response by calculating a manipulated variable for compensation of the delay of response of an operating object based on the future target value, the present and past detected controlled variables and the past manipulated variable which are stored in a storage means as well as the coefficient showing the dynamic characteristics of a controlled system. CONSTITUTION: The control input, i.e., the manipulated variable of a rolling reduction 3 of a rolling mill 1 is calculated by a rolling reduction position controller 10 based on the rolling reduction standard, i.e., the target value and the rolling reduction position, i.e., a controlled variable. The controller 10 consists of a storage means 11 and a control input arithmetic means 12. The means 12 calculates the control input for compensation of the delay of response of the device 3 based on the future rolling reduction standard, the present and past rolling reduction positions and the past control input stored in the means 11 as well as the coefficient showing the dynamic characteristic of the device 3 that is previously decided by an experiment, etc. Thus it is possible to attain the follow-up of a controlled variable to its target value with no delay of response.
Patent JP-H07259451-A (JP)
Title: Detachable plane lattice
Inventor: USHIYAMA YUICHI
IPC: E06B9/01
Filed: 1994-03-25
Abstract: PURPOSE:To quickly detach a part of a plane lattice on the indoor side by simple operation, and make it unable to be detached from the outside at fixedly closing. CONSTITUTION:An opening part 7 is formed on the position adjacent to a vertical frame 1d on one side of right and left ones on the lower side of a fixed lattice 5, and a detachable lattice 8 is provided on the opening part 7. The vertical frame 1d adjacent to the detachable lattice 8 is provided with a lever 13 which is rotationally movably fitted to the lower end of the vertical frame 1d at its lower end so as to let fall its upper end down this side, and is provided with a flange part 12 engaging with the vertical frame along the side face on the detachable lattice 8 side. 2 The lever 13 is provided with a sickle lock 17 on its upper part so as to perform fixing and releasing against the vertical frame 1d, and a lower horizontal frame 1b adjacent to the detachable lattice 8 is provided with a slide member slidably in the right and left directions. The lever 12 is let fall down and the detachable lattice 8 is slided on the vertical frame 1d side by the thickness of the flange part 12, and hence the detachable lattice 8 can be detached.
Patent JP-H03258221-A (JP)
Title: High-pressure smothering device for grain
Inventor: MATSUMOTO RYUZO
IPC: A23L7/10
Filed: 1990-03-06
Abstract: PURPOSE:To enable grain to be quantitatively fed to be discharged keeping the pressure- applying state of a smothering tank interior filled up with steam without using a rotary valve by providing the inlet and outlet of a pressure-applying tank for feeding respectively with opening/closing devices, arranging the pressure-applying tank with the feeding means and discharge means of the steam, and by connecting a pressure-applying tank for discharging to a discharge port, providing the inlet and outlet of the pressure-applying tank for discharge respectively with opening/closing devices and setting the feeding means of steam. CONSTITUTION:Into the upper chamber 11 of a smothering tank 3, grain contained in a pressure-applying tank 2 for feeding is cast. In this case, into the smothering tank 3, steam is fed from a steam feeding pipe 18, and specified pressure is applied to the interior of the tank 3, and so into the pressure-applying tank 2, the steam is fed from a feed air pipe 10, and pressure in the pressure-applying tank 2 is made same as pressure in the smothering tank 3, and after that, the gate valve 9 of the discharge port of the pressure-applying tank 2 is opened, and the grain of the pressure-applying tank 2 is dropped into the upper chamber 11 of the smothering tank 3. When a lower side butterfly valve 21 is opened, then grain cast into a discharging pressure-applying tank 4 is energetically discharged to a feed pipe 5 by pressure difference, and an atmospheric pressure state is reset in the discharging pressure- applying tank 4.
Patent JP-2000249212-A (JP)
Title: Hydraulic power transmission
Inventor: MAEDA KOJI
IPC: F16H41/26
Filed: 1999-03-03
Abstract: PROBLEM TO BE SOLVED: To improve the characteristic of a hydraulic power transmission all over its speed region. SOLUTION: A hydraulic power transmission has a pump impeller 11, and a turbine runner. The pump impeller 11 has an outer shell 43, an inner core 45, and a plurality of blades 41 arranged between the outer shell 43 and the inner core 45. The blade 41 has a first bent portion at an outlet portion or an inlet portion thereof on a side of the outer shell 43, and a second bent portion at the outlet portion or the inlet portion thereof on a side of the inner core 45. The first bent portion and the second bent portion are different in bent angle from each other. The difference of the first bent portion and the second bent portion in bent angle enables the volume coefficient to be adjusted independently in a stall region and a high speed ratio region of the hydraulic power transmission.  This results in improvement of the characteristic of the hydraulic power transmission all over its speed region.
Patent JP-2000250356-A (JP)
Title: Image forming device
Inventor: FUJISAWA KAZUTOSHI
IPC: G03G15/01
Filed: 1999-03-03
Abstract: PROBLEM TO BE SOLVED: To make a stable fixing work performed by a small driving force and to prevent a fixing defect from occurring. SOLUTION: In this image forming device, a pressure roller 120 is held in press contact with a heated endless belt 110, and the backup roller 130 furnished with the elastic layer rotates the backup roller at peripheral speed slower than the peripheral speed of endless belt while letting the roller slide on the endless belt. The device applies lubricant to a surface of the backup roller or a rear side of the endless belt.
Patent JP-H0835190-A (JP)
Title: Treater for fibrous material web
Inventor: ANDOREASU MESHIENMOOZAA
IPC: D21F3/02
Filed: 1995-03-15
Abstract: PURPOSE: To excellently supply a pressure fluid to a bearing pocket installed on a traveling face, in the direction of a belt, of a support element. CONSTITUTION: One element 10 or 11 of a piston-cylinder unit 8 is firmly connected to a support portion 21. A support element 7 is fixed to the elements 10 and 11 firmly connected to the support portion so that the support element can be shifted in the pressing direction and a web traveling direction 20 together with the other element 10 or 11 of the piston-cylinder unit 8. The support element 7 is supported on a stop 12 affixed to the support portion 21.
Patent JP-H05211943-A (JP)
Title: Method for simply steaming pot-steamed hotchpotch
Inventor: MORITA CHIRIO
IPC: A47J27/04
Filed: 1992-02-05
Abstract: PURPOSE:To achieve an instantaneous cooking by putting a prescribed material for pot-steamed hotchpotch (Chawanmushi) in a receiver with a cover exclusively used therefor, storing and sealing the receiver in a storing part of a steamer with a pocket fuel, burning the fuel, generating a steam and filling the storing part therewith. CONSTITUTION:A steamer 1 is composed of a hot plate 2 in which a pocket fuel 4 is disposed, a water receiving base 6 supported on the upper edge of the hot plate 2, and a storing part 10 mounted on the water receiving base 6. A wall part near to the upper edge part of the hot plate 2 is cut out to form an air inlet port 3. The steamer is disposed on a table through a mat base 5. A prescribed quantity of water 8 is supplied to a water receiving part 7. The storing part 10 is constituted of rectangular plate members and formed in a cylindrical shape whose upper and lower surfaces are opened and whose upper and lower parts may be separated. An exclusively used receiver 15 with a cover in which a material 17 for pot-steamed hotchpotch is accommodated in the storing part. According to this construction, the water 8 of the water receiving part 7 is heated in accordance with the combustion of the pocket fuel 4 and a produced steam 19 is guided to the storing part 10 to steam the material.
Patent JP-H01231040-A (JP)
Title: Material for photodecolorizable layer and method for forming pattern by using same
Inventor: TO YOICHI
IPC: G03F7/095
Filed: 1988-03-11
Abstract: PURPOSE:To improve storage stability of a coating solution and to facilitate operation by forming the photodecolorizable layer comprising a styryl type dye having a triazine structure soluble in an organic solvent low in polarity as a photodecolorizable dye and a rosin as a binder. CONSTITUTION:The photodecolorizable layer is formed by using as the binder resin one of the rosins, and as the photodecolorizable dye the styryl type dye having a triazine structure soluble in an organic solvent low in polarity represented by formula I in which each of R1-R5 is hydrogen, halogen, hydroxy, carboxylic ester, or the like. The patterns is formed by coating a substrate 21, such as a film-coated silicon base plate, with a resist 22, spin coating the resist 22 directly with the photodecolorizable layer 23, exposing the layer 23 through a photomask 24 to ultraviolet rays, and finally developing the layer 23 and the layer 22 at the same time by using an alkaline solution, thus permitting the obtained photodecolorizable layer to be suitable in optical characteristics and easy in coating operation, and the material for the photodecolorizable layer capable of executing direct development and the method for forming the pattern to be ensured.
Patent JP-S51146199-A (JP)
Title: Matrix type display device
Inventor: MANABE KAZUO
IPC: G09G3/20
Filed: 1975-05-12
Abstract: PURPOSE: A matrix type display device, that enables to form it in economy when many displayers are used. 
     COPYRIGHT: (C)1976,JPO&Japio
Patent JP-H05212723-A (JP)
Title: Effective utilizing method for purge resin for molding machine cylinder and container for receiving molten purge resin therefor
Inventor: HORI YOSHIO
IPC: B29B17/00
Filed: 1992-02-05
Abstract: PURPOSE:To provide the method of utilizing purge resin effectively and provide a container for receiving molten purge resin used for carrying out said method. CONSTITUTION:When molten resin remaining in a molding machine cylinder is purged, the purge resin P dropped out of a nozzle 4 in the molten state is guided to a receiving container 3 and filled therein, and a block-shaped molded material corresponding to the shape of said receiving container 3 is formed. As for the receiving container 3, a container with its main body comprising a side frame 1a, a bottom plate 1b and, if necessary, a cover plate having a handle 2 with a small heat conductive gripping section 2a provided outside the main body is used.
Patent JP-S57170911-A (JP)
Title: Continuous preparation of propylene-ethylene copolymer
Inventor: ASANUMA TADASHI
IPC: C08F2/02
Filed: 1981-04-16
Abstract: PURPOSE: To prepare various grades of the titled copolymer having balanced physical properties such as impact strength, rigidity, etc., continuously, in high effeciency, by using a stereospecific catalyst, and controlling the rate of polymerization in the mutually connected polymerizers by adding an additive.  
     CONSTITUTION: The bulk polymerization of propylene and ethylene is carried out using a stereospecific catalyst composed of a solid catalyst containing at least Mg, Ti and Cl and an organic Al compound[e.g. (C 2 H 5 ) 2 AlCl]and using propylene as the polymerization solvent, under the condition that there is at least one polymerizer in which the polymerization reaction is carried out at an ethylene/propylene reaction ratio of 15/85W95/5 by weight. For example, the homopolymerization of propylene is carried out in the polymerizers A and B controlling the rate of polymerization by adding an additive such as triethyl Al compound; the H 2  concentration is controlled in the polymerizer C to the level necessary in the following polymerization steps; the copolymerization of ethylene and propylene is carried out in the polymerizers D and E; the catalyst is deactivated in the polymerizer F; the slurry is heated in the apparatus H; and the product is dried by flushing in the apparatus G to obtain the objective copolymer. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-S52140011-A (JP)
Title: Pressure switch
Inventor: TSURUTA SHIZUO
IPC: F04B49/08
Filed: 1976-05-19
Abstract: PURPOSE:To enable the switch to be returned automatically and to be performed with various operations by only pressure switch, by providing restarting button, in diaphram type pressure switch.
Patent JP-S52140617-A (JP)
Title: Countermeasure against abnormality in yarn take-off
Inventor: OKAMOTO TETSUROU
IPC: D01D7/00
Filed: 1976-05-19
Abstract: PURPOSE: In case of troubles occurring at a part under the yarn guiding duct, such as roll setting, to increase the efficiency of trouble shooting by raising a hinged separator which is provided right under the duct, and setting the yarn apart from the normal yarn path. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-H05212417-A (JP)
Title: Production of zirconium alloy tube
Inventor: ABE HIDEAKI
IPC: G21C3/06
Filed: 1992-02-07
Abstract: PURPOSE:To prevent a surface flaw from being generated in cold rolling to enhance working rate, reduce the number of rollings and improve the manufacturing efficiency by using not extruded stock obtained by conducting beta-quenching to a hollow billet. CONSTITUTION:After the hollow billet made of zirconium alloy is beta-quenched, the 1st cold rolling to an extruded tube obtained by hot extrusion is carried out respectively under the condition of QE>=0.8 for Rd<56% or QE>=(Rd-40)/20 for Rd>=56%. The Rd is a working rate in cold working and is shown by an expression 1. The QE is a ratio of the working rate in the thickness direction to the working rate in the peripheral direction and shown by an expression II. D shows the external diameter before the billet is rolled, (d) shows the external diameter after rolled, T shows the thickness before rolled and (t) shows the thickness after rolled.
Patent JP-H11257150-A (JP)
Title: Control method for internal combustion engine
Inventor: KATO HIROAKI
IPC: F02D45/00
Filed: 1998-03-09
Abstract: PROBLEM TO BE SOLVED: To control conforming to a cylinder internal pressure change in the current engine cycle by engine parameters including a cylinder internal pressure signal, by converting a variation in cylinder internal pressure in a crank angle position after the termination of a suction stroke, to a cylinder internal pressure parameter. SOLUTION: A cylinder internal pressure sensor 21 of a cylinder terminated with a suction stroke out of the cylinder internal pressure 21 installed in each cylinder is selected by an MPX 31, and a cylinder internal pressure signal out of this selected cylinder internal pressure sensor 21 is analog-to-digital converted 32 at every specified crank angle and fed to a central processing unit 34. Next, whether the suction stroke is terminated or not is judged, and when the suction stroke is terminated, a cylinder internal pressure p1 at a crank angle θ1 and another cylinder internal pressure p1 +Δp at the crank angle θ1 +Δθ are taken in, thereby calculating a variation in the cylinder internal pressure.  With this cylinder internal pressure variation and engine speed, referring to a map, the volumetric efficiency of an engine 1 is determined, and thus a fuel injection quantity and an ignition angle are determined from this volumetric efficiency and the engine speed or the cylinder internal pressure variation.
Patent JP-S55147083-A (JP)
Title: Horizontal line pickup circuit
Inventor: NAKASHIMA YOSHIROU
IPC: H04N7/083
Filed: 1979-05-04
Abstract: PURPOSE:To pick up desired horizontal line from TV signal accurately, by forming the control signal determining the pick up period at the specified circuit. CONSTITUTION:The horizontal synchronizing signal H is input to the counter 2 through one input of the AND gate 6, and the output of the monostable multivibrator 1 triggered at the vertical synchronizing signal V is fed to the reset terminal of the counter 2. Further, the output of the NAND gate 4 inputting the output of the bits A, B, C of the counter 2 is fed to another input of the gate 6, and when the count value of the counter 2 reaches a given value, the passage of horizontal synchronizing signal is blocked. On the other hand, the output of the counter 2 is fed to the OR gate 3, and the output and the output of the gate 4 are respectively fed to the AND gate 5. By using the output of the gate 5 to the control signal of the gate circuit to which TV signal is input, the desired horizontal line can accurately be picked up.
Patent JP-H02236287-A (JP)
Title: Regenerative enamel base plate and production thereof
Inventor: HIRAGA MASAHIRO
IPC: C23D5/00
Filed: 1989-03-08
Abstract: PURPOSE:To improve the thermal efficiency when a thermal head is adopted by providing the above base plate with insulating enamel layers having many pieces of the foam generated from a metallic salt. CONSTITUTION:For example, the metallic base plate 1 is pretreated by degreasing, rinsing, pickling, Ni plating and rinsing. This base plate 1 is immersed into a slurry consisting of primary glass particles having 7 average grain size and CaCO3 particles and a DC voltage is impressed between a counter electrode and the substrate 1 to electrodeposit the glass particles and the CaCO3 particles on Ni plating layers 2. This layer is then dried and calcined to generate CO2, etc., from the CaCO3 particles and to form the insulating enamel layers 3a having many pieces of the foam. The base plate is then provided with electrodes 4, a heating resistor 5, and an overcoating layer 6 to form the thermal head. The base plate which has the smooth surface and has the decreased fluctuation in the resistance value is obtd. if the 2nd insulating enamel layers 3b contg. the less foam are formed on the enamel layers 3a by using the slurry consisting of the 2nd glass particles.
Patent JP-H09232927-A (JP)
Title: Matrix circuit and its drive method
Inventor: WAKABAYASHI MORIMITSU
IPC: H03K17/00
Filed: 1996-02-20
Abstract: PROBLEM TO BE SOLVED: To obtain a matrix circuit with small power consumption and small heat generation by devising the circuit such that a current flows to a desired cross point of the circuit formed to be a matrix with an impedance element such as a resistor inbetween and no undesired current flows to other cross points. SOLUTION: In a resistor matrix circuit 10, a switch Sxi of an optional row Xi is closed and switches Sx1 -Sxm except the switch Sxi are open and a voltage V3 is applied to rows X1 -Xm selected by the switch Sxi from a register 16. The voltage V3 applied to each row is set equal to a voltage V4 of a desired column Yj . Thus, among cross points of the rows X1 -Xm in crossing with a line Yj , a potential difference of each cross point of the rows X1 -Xm other than the selected row Xi is V3 -V4 =0, and then a voltage V1 -V4 across a resistor Rij at the cross point of the column Yj in crossing with the row Xi is read.
Patent JP-H09233434-A (JP)
Title: Device and method for converting signal
Inventor: KONDO TETSUJIRO
IPC: G09G5/391
Filed: 1996-02-20
Abstract: PROBLEM TO BE SOLVED: To prevent picture quality degradation by performing class sorting adaptation processing while using a predictive coefficient, for which the number of bits is reduced, and afterwards, performing gain correction corresponding to the sum of respective predictive coefficients. SOLUTION: A standard definition (SD) signal d0 is supplied through an input terminal 1 to a class sorting part 2 and a predictive arithmetic part 4. At the class sorting part 2, a class d1 is found from the feature of the SD signal composed of 3×3 blocks. In a predictive coefficient ROM 3, a predictive coefficient wi' reducing the number of bits is stored, and a predictive coefficient d2 corresponding to the class d1 is read out. The predictive arithmetic part 4 is composed of a multiplier 5 and a correction part 6. At the multiplier 5, adaptation processing (operation of sum of products) is executed based on the linear 1st-order coupling expression of the SD signal d0 and the predictive coefficient d2.  At the correction part 6, the signal correction of the arithmetic result d3 from the multiplier 5 is performed based on the class d1 and as a result, a predictive value d4 is extracted.
Patent JP-H04221468-A (JP)
Title: Double pivotal-axis disk drive
Inventor: EFUIMU BURONSHIYUBATSUCHI
IPC: G11B5/55
Filed: 1991-03-20
Abstract: PURPOSE: To make a preload constant and to prevent mismatching and also to compensate a wobble irrespective of a shape of a pinion by using a special double axial disk drive mechanism. CONSTITUTION: A data storage disk 14 is rotated on a spindle 16, and a converter 18 is used to be combined with an actuator arm assembly 20. Then, the double axial mechanism 30 is formed to give a constant preload along an axial line 65 to an actuator arm 32, and is established by holding a sectorial gear 30 at an end part of the arm 32 to be in constant contact with the pinion 28 and maintaining an axial point on the axial line 65 of a long arm. By this method, mistracking of the converter 18 is eliminated. Then, a spring ratio of a preload spring 56 for energizing the gear 30 to the pinion 28 is decided against noncircular wobbling of the pinion 28.
Patent JP-S62221647-A (JP)
Title: Manufacture of polyene aldehyde
Inventor: RIYUSETO DEYUAMERU
IPC: C07C43/17
Filed: 1987-03-13
Abstract: Polyene aldehydes are made by reaction of a carbonyl compound of formula:    <IMAGE>  (I)  in which R denotes a hydrocarbon radical and R' denotes hydrogen or alkyl, with a metal derivative of a halogen compound of formula:    <IMAGE> (II)  in which X denotes halogen (preferably bromine), R3 is alkyl, and either R1 denotes hydrogen and R2 denotes an alkoxy radical indentical with OR3 or R1 and R2 together form a bond, followed by hydrolysis of the product obtained.