baber/WOPTO huggingface dataset:
Patent IL-68403-A (IL)
Title: Backwashable filter and control device particularly useful therein
IPC: B01D29/62
Filed: 1983-04-14
Abstract: A backwashable filter comprises a filter body, a backwash nozzle having an inlet adjacent to the upstream surface of the filter body, and a control device sensing a pressure drop across the filter body and effective to initiate a backwash operation by connecting the backwash nozzle to the atmosphere and effecting relative rotary movement between the filter body and the backwash nozzle. The control device includes further means effective, upon sensing a higher pressure drop, to automatically terminate the backwash operation.
[US4614581A]
Patent IL-74053-A (IL)
Title: Preparation of certain enantiomeric pairs of alpha-cyano-3-phenoxy-4-fluoro-benzyl permethrate
IPC: A01N53/00
Filed: 1985-01-15
Abstract: A process for the preparation of the enantiomeric pairs (1R-3R- alpha S+1S-3S- alpha R) and (1R-3S- alpha S+1S-3R- alpha R) from a mixture of all 8 stereoisomers of the compound  alpha R/S-cyano-3-phenoxy-4-fluorobenzyl 3R/S-(2,2-dichlorovinyl)-2,2-dimethyl-1R/S-cyclopropanecarboxylate, comprising dissolving the mixture in a secondary or tertiary alkylamine having 2-6 C atoms per alkyl radical, subjecting the solution to crystallization whereby the enantiomeric pairs (1R-3R- alpha S+1S-3S- alpha R) and (1R-3S- alpha S+1S-3R- alpha R) crystallize out from the solution, and separating the crystallized material. The crystals are enriched in the most active components.
Patent IL-77364-A (IL)
Title: Thermal dealkylation of n-alkyl n-phosphono-methylglycine
IPC: C07F9/38
Filed: 1985-12-17
Abstract: There is disclosed a process for producing the alkali metal salts of N-phosphonomethylglycine which comprises heating to an elevated temperature an aqueous solution of a di- or tri-alkali metal salt of N-alkyl-N-phosphonomethylglycine. The N-alkyl substituent contains at least one hydrogen on the beta carbon atom.
Patent IL-78529-A (IL)
Title: Modification of the dna sequence between the shine-dalgarno sequence and the start codon of the trp operon to increase protein expression
IPC: C12P21/00
Filed: 1986-04-17
Abstract: For the contracting states : BE, CH, DE, GB, IT, LI, LU, NL, SE 1. DNA segment of the trp operon from E. coli, characterized by the sequence (coding strand) I 5' CTATCGACC 3' (I) which is connected at the 5' end to the Shine-Dalgarno sequence AAGG, and at the 3' end to the start codon ATG. For the contracting state : AT 1. A process for the preparation of a vector having the trp expression system of E. coli, characterized by cleavage with the restriction enzyme Nco l of an E. coli vector which contains the DNA sequence I 5' GTATCGACC 3' (I) (coding strand) followed by 5' ATGG 3', and a) ligation of a gene structure of DNA sequence II 5' CATG X... 3' 3'      Y... 5' (II) in which X and Y denote the first complementary pair of nucleotides downstream of the start codon of a structural gene, in the cleavage site, or b) enzymatic filling in of the cleavage site and ligation of the DNA of the sequence III 5' GTA TCG ACC ATG 3' (III) 3' CAT AGC TGG TAC 5' with a DNA of the sequence IV 5' X... 3' (IV) 3' Y... 5' in which X and Y have the abovementioned meaning, or c) enzymatic degradation of the protruding sequence of the cleavage site, and ligation of the DNA of the sequence VI 5' GTA TCG AC 3' (VI) 3' CAT AGC TG 5' with a DNA of the sequence VII 5' Z ATG X... 3' (VII) 3' Z'TAC Y... 5' Z and Z' denoting any desired pair of nucleotides, which can also be dispensed with.
Patent IL-81785-A (IL)
Title: Process for the dehalogenation of chloroacetic and bromoacetic acids
IPC: C25B3/25
Filed: 1987-03-05
Abstract: Chloroacetic and bromoacetic acids are dehalogenated by electrolysis of aqueous solutions of these acids using carbon cathodes and anodes likewise of carbon or of other conventional electrode materials in undivided or in divided electrolysis cells; the aqueous electrolysis solutions in the undivided cells and in the cathode area of the divided cells contain, in dissolved form, one or more salts of metals having a hydrogen excess-voltage of at least 0.4 V (at a current density of 4,000 A/m2). Metals having a hydrogen excess-voltage of at least 0.4 V (at a current density of 4,000 A/m2) are, for example, Cu, Ag, Au, Zn, Cd, Hg, Sn, Pb, Ti, Zr, Bi, V, Ta, Cr and Ni. The process allows high current densities (up to about 8,000 A/m2) to be used without or virtually without corrosion of the electrodes and without deposit formation on the electrodes.
Patent JP-S56109921-A (JP)
Title: Sintered bearing and manufacture thereof
Inventor: KIKUCHI TATSUNOSUKE
IPC: F16C33/10
Filed: 1980-02-01
Abstract: PURPOSE:To enhance the performance of a bearing and to enhance the durability, by forming the outer surface of the sintered bearing in a spherical shape and forming longitudinal slits in said spherical outer surface. CONSTITUTION:This sintered bearing is constituted by forming the outer surface 11 of a sintered metal body 10 in the spherical shape, and forming a many number of slits 13 in said spherical outer surface 11. In manufacturing said bearing, at first, is obtained a molded compressed powder body 20 having a straight outer surface and protruded streaks 23 by molding the compressed powder with upper and lower punches. Then, a mandrel 4a is inserted in an outer mold 1a. The molded compressed powder 20 is enclosed in spherical molding surfaces 8a and 7a of the upper and lower punches 8 and 7. Then, the molded body 20 is compressed by the upper punch 8, and the desired sintered bearing having the longitudinal slits 13 in the spherical outer surface is obtained.
Patent JP-H07219794-A (JP)
Title: Information processor
Inventor: KOYATA SHIGENORI
IPC: G06F11/10
Filed: 1994-02-01
Abstract: PURPOSE:To improve the reliability of a system by reading a microprogram (mu program) from RAM and reloading it to CS when a hard error such as a soft error, etc., is generated in a microprogram control memory (CS), so as to avoid system down. CONSTITUTION:This processor is added with a second storage device 1 storing the mu program so that a system control part 2 reads the program from a first storage device 5, loads it to the second storage device 1, reads this and loads it to CS4 and 4a of each. Thereby, even when the hard error is generated in CS4, the mu program can be transferred from RAM to CS4 at high speed by setting the storage device 1 storing the mu program to be high-speed RAM. Then, CS4 and 4a are provided with error detection circuit 41 and 4a1, the storage device 1 is provided with an error correction circuit ECC11 and a memory is set to be hierarchical structure on reliability so as to improve the reliability of the system and to avoid system down.
Patent JP-H04245053-A (JP)
Title: Tape drive controller
Inventor: NAKAMURA KAZUHIKO
IPC: G11B15/093
Filed: 1991-01-30
Abstract: PURPOSE:To stably control the running speed of a tape by controlling the rotation of reels on the basis of the rotational period of a capstan motor when the rotations of the reels are slow and controlling the running speed of the tape on the basis of the rotational periods of both reels after the running speed of the tape exceeds a prescribed value. CONSTITUTION:When the rotating speed of a capstan motor 7 is slower than a prescribed value due to the slow rotations of reels as immediately after the starting of a high-speed running mode, the first control means 18 controls the running speed of a tape on the basis of a rotation detecting means 16 which detects the rotation of the motor 7. When the rotating speed of the motor 7 exceeds the prescribed value, the second control means 19 controls the running speed of the tape on the basis of rotation detecting means 14 and 15 which respectively detect the rotations of reels. Therefore, the running speed of the tape can be stably controlled.
Patent JP-H08203018-A (JP)
Title: Magnetic head
Inventor: ONODERA OSAMU
IPC: G11B5/127
Filed: 1995-01-25
Abstract: PURPOSE: To prevent glass flow from becoming worse by a rising of glass viscosity due to increase of Si concn. in welding glass at the time of welding the glass and to improve the yield. CONSTITUTION: A pair of magnetic core half bodies 1 and 2 are allowed to butt with each other through SiO2 magnetic gap materials 5a and 5b, and a magnetic gap part (g) (a gap length is >=4μm) is formed at the butted surface 3. In this time, the film thickness of the SiO2 magnetic gap material 5a formed at the magnetic core half body 1 is kept thinner than that of the SiO2 magnetic gap material 5b formed at the magnetic core half body 2 and the film thicknesses of each SiO2 magnetic gap materials 5a and 5b are kept unevenly.
Patent JP-S63178616-A (JP)
Title: Programmable delay line
Inventor: KAMETANI KAZUO
IPC: H03H7/30
Filed: 1987-01-19
Abstract: PURPOSE:To attain the changeover of delay time with excellent linearity by applying a control voltage to a varactor diode via a nonlinearity circuit having an opposite nonlinearity to a delay characteristic of the change in the varactor diode being a component of a delay line. CONSTITUTION:The delay line DL consists of an inductance element L of a single layer element L, plural varactor diodes Dv whose cathodes are connected to plural intermediate taps, and a bypass capacitor Cp connecting the anodes of the varactor diodes Vd to ground in common. A nonlinearity circuit 5 receiving an output voltage Vi of a D/A converter DAC has a function varying an output voltage Vi of the D/A converter DAC by the nonlinearity characteristic opposite to the delay change characteristic with respect to the control voltage of the varactor diode Dv to output a reverse voltage Vd (negative polarity) to the varactor diode Dv as the control voltage. Thus, the delay time is changed in a linear step in the delay line DL attended with the change in the digital control signal.
Patent JP-H06221634-A (JP)
Title: Local clean unit for clean room
Inventor: NAGATSU TATSUYA
IPC: F24F7/06
Filed: 1993-01-25
Abstract: PURPOSE:To increase the clean degree of a local clean area, and at the same time, prevent the clean degree in a clean room from decreasing by providing a reverse preventive member at the air suction opening of a suction fan for a local clean unit. CONSTITUTION:For a local clean unit which is used in a clean room, air 97 in the clean room which is drawn in by a suction fan 46 is fed to the local clean unit by a filter 44, and the clean degree in the local clean unit is made higher than that of the clean room. An air suction port for the suction fan 46 is formed on the local clean unit, and a reverse flow preventive member 54 is provided at the air suction port. Then, the reverse flow preventive member 54 prevents a backflow of the air 47 sent into the clean room by the suction fan 46. Therefore, the air 47 of which the clean degree has decreased can be prevented from flowing into the clean room, and in addition, the air 47 in the clean room is prevented from swirling.
Patent JP-H09194572-A (JP)
Title: One liquid-type liquid epoxy resin composition
Inventor: FUJIMOTO TAKAZO
IPC: C08G59/40
Filed: 1996-01-24
Abstract: PROBLEM TO BE SOLVED: To obtain the subject composition containing a specific curing agent and a curing accelerator, not containing dicyandiamide, excellent in tracking resistance, and used for an airtight sealing of a small electric relay (hereinafter relay) for the control of a refrigerator, an air conditioner, etc. SOLUTION: This one liquid-type liquid epoxy resin composition does not preferably contain dicyandiamide, and contains an imidazole compound or an epoxy curing agent which is obtained by reacting a heterocyclic compound containing nitrogen, an aliphatic amine or an aromatic amine in one molecule with an epoxy compound containing one or more epoxy groups as a curing agent, or a curing accelerating agent. As the epoxy resin, the epoxy resins of a bisphenol-type, an alicyclic, a novolac type, etc., are cited.
Patent JP-S57124485-A (JP)
Title: Solid image pickup element
Inventor: TANIGAWA HIROSHI
IPC: H04N5/335
Filed: 1981-01-27
Abstract: PURPOSE:To increase photosensitivity by forming a transparent film having a condensing function onto a photoelectric converting element. CONSTITUTION:The transparent film 20 for condensing is disposed to the surface of the photoelectric converting element consisting of a substrate 10, photoelectric converting elements 11 and opaque films 14, 14'. Beams 25 projected to a concave section 21 of the film 20 are refracted on the surface of the concave section 21, the direction is changed and the beams advance in the direction of the converting elements 11. Accordingly, the photosensitivity is increased because the beams projected can be condensed to the elements 11.
Patent JP-S61168505-A (JP)
Title: Apparatus for recovery of sulfuric acid from waste sulfuric acid
Inventor: UEDA KADOAKI
IPC: C01B17/50
Filed: 1985-01-22
Abstract: PURPOSE:To recover sulfuric acid from waste sulfuric acid at reduced energy cost, by placing an air-preheater between a heat-decomposition furnace and a gas-refining unit, and carrying out the heat exchange between the thermally decomposed gas and the combustion air supplied to a heat-decomposition furnace with the preheater, thereby utilizing the sensible heat of the thermally decomposed gas. CONSTITUTION:Waste sulfuric acid is sprayed into the heat-decomposition furnace 1, and thermally decomposed at >=1,000 deg.C by burning fuel supplied to the furnace 1. The air for combustion is passed through an air-preheater 3 with an air blower 2, and the preheated air is supplied to the heat- decomposition furnace 1. The thermally decomposed gas discharged from the heat-decomposition furnace 1 is passed through the waste heat boiler 5 to generate steam, and passed through the air-preheater 3 at about 700 deg.C to heat the air to about 600 deg.C, and is cooled to about 435 deg.C by the heat-exchange. The cooled decomposition gas is introduced into the dilute sulfuric acid spraying column 6 of the gas refining unit 4, cleaned by the Cottrell mist precipitator 9, and sprayed into the converter 13 to recover the sulfuric acid.
Patent JP-S61169195-A (JP)
Title: Iron power flux cored wire
Inventor: SAKAI YOSHIYA
IPC: B23K35/368
Filed: 1985-01-22
Abstract: PURPOSE:To obtain a titled wire for gas shielded arc welding which produces spatters in the smaller amt. by filling a specific amt. of a flux contg. a specific ratio each of iron powder, deoxidizing agent, arc stabilizer, Al2O3, etc. into a steel sheath and limiting the C of the entire wire to specific % or below. CONSTITUTION:The flux 1 contg. weight % each of 40-90 iron powder, 10-45 deoxidizing agent, 0.5-5 arc stabilizer and 1-15 slag forming agent contg. >=30 Al2O3 in particular as the other component is filled into the steel sheath 2 at 10-30% by the total weight of the wore. The wire is further manufactured by limiting the content of C in the entire wire to <=0.05%. More specifically, the quantity of the deposited metal equiv. to a solid wire is obtd. by compounding the iron powder with the flux. The flux components and the compounding ratios thereof as well as the content of C in the entire wire are adequately limited and the Al2O3 is used for the essential component of the slag forming agent, by which the purpose of decreasing the spatters in particular is attained and the weld zone having the excellent performance of bead shape and weld metal is obtd.
Patent JP-S60155532-A (JP)
Title: Production of barium strontium titanate fine particle
Inventor: KAMIHIRA AKIRA
IPC: H01B3/12
Filed: 1984-01-24
Abstract: PURPOSE:To produce fine particle of barium strontium titanate which is a kind of dielectric material, by reacting a hydrolyzed product of a Ti compound with a water-soluble Ba salt and a water-soluble Sr salt strongly alkaline aqueous solution. CONSTITUTION:The hydrolyzed product of a Ti compound is made to react with a water-soluble Ba salt and a water-soluble Sr salt in a strongly alkaline aqueous solution at a temperature near the boiling point of the solution. The produced precipitate is separated by filtration, washed with water, and dried to obtain the fine particle of composite titanate of formula (o<x<1) (barium strontium titanate). The hydrolyzed Ti compound can be produced by hydrolyzing an aqueous solution of TiCl4, Ti(SO4)2, etc. with an aqueous solution of an alkali such as NH4OH, NaOH, etc.
Patent JP-H02190857-A (JP)
Title: Cutter sorter
Inventor: MATSUMOTO NOBUO
IPC: G03D15/10
Filed: 1989-01-19
Abstract: PURPOSE:To prevent a frame number, etc., from being misconceived at the time of an order of an extra print of a photograph by giving frame information which coincides with each frame to a prescribed position of a negative film containing sheet, based on a frame number of a specific image frame of a short size negative film as a reference. CONSTITUTION:When a long size negative film 18 is carried successively in the direction of a negative film containing sheet 72 and cut with a cutter 58 at every prescribed frame, a frame number of an image frame in one end of a short size negative film 18B which is cut first is detected by a frame number detecting means 46, and the short size negative film 18B is further carried and contained in a protective bag 72A of a loading part 62. Subsequently, by controlling a printing part 76 by a printing control means 52, frame information is printed to the protective bag 72A, based on the frame number detected by the frame number detecting means 46 as a reference. Accordingly, the frame number printed to the protective bag 72A and the frame number of the image frame photographed to the contained negative film 18B coincide with each other. In such a way, it can be prevented that the frame number, etc., are misconceived at the time of an order of an extra print of a photograph, etc.
Patent JP-S58129454-A (JP)
Inventor: SAKAKIBARA ATSUSHI
IPC: G09B7/04
Filed: 1982-01-28
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-H10310733-A (JP)
Title: Method of improving redispersion of pigment ink for ink jet recording
Inventor: CHEN JING-DEN
IPC: B41M5/00
Filed: 1998-01-23
Abstract: PROBLEM TO BE SOLVED: To provide a method for improving the redispersion properties of a pigment ink for ink-jet recording and an ink-jet ink composition therefor. SOLUTION: This ink-jet ink composition contains a liquid vehicle, pigment, and water-based anionic black dye. The addition of a dye to this ink-jet composition affords a self-redispersible pigment ink that can be used in ink-jet printers. The dye is a water-based anionic black dye selected from the group consisting of direct dye, acid dye, reactive dye and food dye. This self-redispersible ink is prepared by adding a first amount of a water-based anionic black dye to form an improved ink and by formulating the improved ink. This improved ink is evaluated on its self-redispersibility. An additional amount of water-based anionic black dye is admixed, when necessary, to the improved ink to produce the objective slef-redispersible improved ink for ink-jet printers.
Patent JP-H023091-A (JP)
Title: Apparatus and method for generating character
Inventor: NEIRU FURANSHISU TOREBUETEI
IPC: G09G5/24
Filed: 1989-01-19
Abstract: PURPOSE: To improve the efficiency of CPU time by storing an address for an instruction to be used for forming each character and a parameter necessary for the instruction in a storage area of each character in a font. CONSTITUTION: A monitor program 122 in a memory program 110 prepares a color register for a graphic controller 102 in a system. Information indicating which character is to be plotted or how many characters are to be plotted is extracted from a central processing unit(CPU) 100 and an address in a font index table 114 which stores the information of a character concerned is calculated for every character. A plotting program 124 searches a character table 116 for the character to be plotted and extracts a necessary parameter. Then, the parameter is converted, a routine for executing a graphic primitive 126 necessary for mapping on a mappling display device 104 is accessed and the conversion and graphic primitive are executed until the plotting of the character. Consequently each character can be generated at real time.
Patent JP-S62170135-A (JP)
Title: Picture image display device
Inventor: SAKURAI SOICHI
IPC: H01J29/52
Filed: 1986-01-23
Abstract: PURPOSE:To form a picture image display device excellent from view of every point like thin form, high brightness and mass productivity, by forming an intermediate electrode or a cathode electrode with matrix-like picture element electrodes corresponding to the array of dot-shaped phosphor on a panel. CONSTITUTION:Electrons heated by a heater electrode 1 into a state close to excitation and staying on a cathode electrode 2 can be emitted in form of electron beams 61 to 63 by being subjected to application of a signal voltage. then, these beams undergo the effect of focusing action caused by the electric field of an intermediate electrode 3 and pass through piercing holes 31. Thereafter, these beams direct their way toward phosphor 5 to which a high voltage is applied and arrive in acceleration at a desired position to make the phosphor 5 luminous. Meanwhile, the electron beams 61 to 63 correspond to blue B, green G and red R respectively, and the intermediate electrode 3 makes action of color section for the phosphor 5 simultaneously with its focusing action for electron beams.
Patent JP-S54104151-A (JP)
Title: First-aid device for elevator
Inventor: KAJIYAMA RIYUUICHI
IPC: A62B3/00
Filed: 1978-02-03
Abstract: PURPOSE: To prevent the inflow of smoke to a cage when there happens a fire, by mounting a compressed air bomb to the cage, and by interlocking the bomb with a fire detector.  
     CONSTITUTION: A bomb 6, in which compressed air is filled, is installed to an upper portion of a carge 4, and the bomb is communicated with the inside of the cage 4 by a piping with a valve 7 while the valve 7 is driving connected to a fire detector 5 mounted to a bottom of the cage 4. Thus, when there happens a fire in buildings and the fire detector 5 detects smoke, poisonous gases, etc. flowing into a rise-and-fall course 1 from the clearances of doors at platforms, the valve 7 is opened, compressed air in the bomb 6 is discharged into the cage 4 and smoke, poisonous gases, etc. in the rise-and-fall course 1 cannot enter the inside of the cage 4. And the opening of the valve 7 may manually be operated by passagers. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-S59213634-A (JP)
Title: Preparation of glass body having gradient in refractive index
Inventor: ARAGAKI SEIICHI
IPC: C03C23/00
Filed: 1983-01-28
Abstract: PURPOSE:To prevent distortion of refractive index in a glass rod in the prepn. of a glass body having a gradient of refractive index by the molecular stuffing method by regulating the temp. of the drying stage to <=specified temp. CONSTITUTION:A gradient of concn. is formed in a dopant contained in a porous glass body by allowing the dopant to deposit in the pores in a porous glass body after immersing the porous glass in the soln. of the dopant, or by eluting a part of the dopant in the pores without causing deposition of the dopant. Then, the dopand is allowed to deposit in the pores and the porous glass body is dried and the solvent in the pores is volatilized. Further, the pores are destructed by heat treatment and a glass body having a gradient of refractive index is obtd. In this process, the drying temp. in the above described drying stage is performed at a low temp. <=8 deg.C.