baber/WOPTO huggingface dataset:
Patent JP-2000239740-A (JP)
Title: MANUFACTURE OF Fe-BASE ALLOY MEMBER EXCELLENT IN STRESS CORROSION CRACKING RESISTANCE, AND Fe-BASE ALLOY MEMBER
Inventor: URAYAMA YOSHINAO
IPC: C21D6/00
Filed: 1999-02-23
Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing a spring capable of suppressing the occurrence of crevice stress corrosion cracking or the like, even if continuously used under high stress and in corrosive atmosphere and also to provide the spring, by using an Fe-base alloy of high Ni and high Cr content so as to contribute to the improvement in economical property as well as in safety in high-temperature and high-pressure water. SOLUTION: In the method of manufacturing the spring made of Fe-base alloy, an Fe-base alloy having a composition consisting of, by weight ratio, <=0.1% C, <=1.0% Si, <=1.0% Mn, 25-40% Ni, 25-30% Cr, 0.3-2.0% Ti, 0.3-2.0% Al, <=0.5% Mg, <=0.01% P, <=0.01% S and the balance Fe is subjected to solution treatment, to cold working at 20-60% reduction of area, and then to aging treatment at a temperature not higher than the recrystallization temperature.
Patent JP-H02223294-A (JP)
Title: Telephone exchange system
Inventor: IWAMOTO KINYA
IPC: H04M3/42
Filed: 1989-02-23
Abstract: PURPOSE:To distinguish telephone sets able to be used at power failure and telephone sets usable at a glance by displaying a disabled usage state at power failure to a telephone receptacle disconnected from an external line at power failure. CONSTITUTION:A display section 14 displaying it that telephone receptacles 54-55 disconnected from an external line is provided at power failure. Then the display section 14 provided to the telephone receptacles 54-55 is displayed on disabled use at power failure. Thus, telephone sets usable at power failure and telephone sets not used at power failure are distinguished at a glance and the convenience of the user is further improved in the telephone receptacles 51-55 of the telephone exchange connecting 3 or over of telephone sets.
Patent JP-H11221895-A (JP)
Title: Melamine decorative plate
Inventor: IWATA TERUNORI
IPC: B32B38/00
Filed: 1998-02-09
Abstract: PROBLEM TO BE SOLVED: To enable the effective utilization of a waste decorative plate by laminating a paper backing melamine resin-impregnated pattern layer on a regenerated craft paper backing phenol resin-impregnated core layer in which regenerated craft paper made from a crushed melamine decorative plate and craft pulp is impregnated with a phenol resin. SOLUTION: A paper backing melamine resin-impregnated pattern layer is laminated on a regenerated craft paper backing phenol resin-impregnated core layer in which regenerated craft paper prepared from a crushed melamine decorative plate and craft pulp is impregnated with a phenol resin. As regards the crushed melamine decorative plate, the melamine decorative plate is crushed by a crusher and pulverized by a high speed cross flow mill to make the particle size 150 micron or below. Accordingly, since the phenol resin binds the crushed material and the craft pulp together, the crushed material is held surely among craft pulp fibers and made to have enough flexural strength, and a high quality melamine decorative plate is obtained.
Patent JP-H03248607-A (JP)
Title: Expansion type torus body
Inventor: ARAOKA KATSUMASA
IPC: E04B1/344
Filed: 1990-02-27
Abstract: PURPOSE:To realize a torus with an excellent synchronization expansion operation by constituting an expansion drive means expanding a torus synchronizingly and a synchronizing expansion means with 1st and 2nd pulleys, 1st and 2nd wires and a guide rod moving the 1st wire only. CONSTITUTION:A compression coil spring 12 provided to a guide rod 11 of each joint 3 being a drive means is released from the compression state by releasing a support (not shown in the Figure). When the spring 12 is released from the compression state, the guide rod 11 is moved (in the Figure, upward or downward) accordingly. When the guide rod 11 is moved, the two 1st wires 14 fitted to a fixed plate 13 at both ends move respectively each of the 1st pulleys 6 in opposite directions to each other and a hoop member 2 fixed to a rotary shaft 5 is expanded together with the drive of the pulley 6. In this case, the two hoop members 2 connected respectively to both sides of each joint 3 are expanded at an equal expansion angle (alpha1=alpha2) synchronously with the movement of the guide rod 11, that is, the drive of the pulley 6 driven by the movement of each of the 1st wires 14.
Patent JP-S56141612-A (JP)
Title: Elastic surface wave equipment
Inventor: KISHIMOTO SEIJI
IPC: H03H9/64
Filed: 1980-04-07
Abstract: PURPOSE:To realize a wide band by constituting the pitch of electrode fingers of input/outpt electrodes with combining a part which is varied continuously and a part having a constant pitch. CONSTITUTION:The input electrode 8 is constituted of a chirp electrode 8a whose electrode finger pitch is continuously varied from 3.3mum to 2.0mum, and a regular elecrode 8b whose electrode finger is of a constant pitch of 2.0mum, and it is made small-sized, its loss is made low and also its wide band is realized by use of the characteristics of the chirp electrode having a wide band characteristic by which the insertion loss is small even if the opening length is narrow, and the regular electrode having a characteristic by which the insertion loss is small in a narrow band. Furthermore, it can be worked easily by setting the minimum pitch to 2.0mum.
Patent JP-H10227570-A (JP)
Title: Crucible induction furnace
Inventor: OTSUKA HIROSHI
IPC: C21C7/10
Filed: 1997-02-13
Abstract: PROBLEM TO BE SOLVED: To eliminate the metal with a low melting point in the molten bath of cast iron which is molten in a crucible induction furnace. SOLUTION: In a crucible induction furnace which melts the raw material of cast iron containing the steel sheet plated with zinc or lead, the inactive gases of 10-16 normal liter/min per unit bath quantity are blown in, when eliminating the metal with a low melting point such as zinc in a molten bath by blowing inactive gases into the molten bath in a melting chamber. In this case, the inside of the melting chamber should be decompressed to 8,700-16,700 pascal by being exhausted to eliminate the metal with a low melting point. By this means, zinc or lead can be eliminated to the allowable content to obtain a high quality molten bath of cast iron between charging stock and draining the molten bath.
Patent JP-H06234021-A (JP)
Title: Production method and device of bent tube
Inventor: ARAKI KATSUTERU
IPC: F16L43/00
Filed: 1993-02-09
Abstract: PURPOSE:To obtain a tube of uniform wall without generating excess material and without forcibly moving a mass by pressing a straight tube toward an outer circumference of a bending roll, and together moving the bending roll parallel with the straight tube to a center of the straight tube. CONSTITUTION:Bending rolls, 5a, 5b are positioned on different sides of both ends of a work W (material), and the work W is fixed with clamping devices 11a, 11b preparing to the bending rolls 5a, 5b. When hydraulic cylinders 3a, 3b are energized to D, D' directions, the bending rolls 5a, 5b move to the D, D' directions while rotating to E, E' directions with a synchronous device, the clamping devices 11a, 11b rotate to the E, E' directions and the work W is bent in an S shape. This obtained S shaped tube is an intermediate material, and two bent tubes are obtained by cutting a point of inflection of the S shaped tube orthogonally to the tube.
Patent JP-H11241748-A (JP)
Title: Fluid-sealed type cylindrical mount
Inventor: MURAI HIROTAKA
IPC: F16F13/16
Filed: 1998-02-26
Abstract: PROBLEM TO BE SOLVED: To secure both of a vibration control effect for shaft direction input vibration and high spring rigidity in a shaft right angle direction by narrowing or closing a pair of shallow bottom parts of a fluid chamber by each peripheral direction intermediate part and providing a partition wall impeding a peripheral direction flow of incompressible fluid through the shallow bottom parts. SOLUTION: A main rubber elastic body 14 elastically deforms by shaft direction vibration, an internal pressure difference is generated by a difference of elastic deformation amount of each wall part between deep bottom parts 44 and shallow bottom parts 46 within a fluid chamber 58, a fluid flow is generated, flow rate is secured in the shallow bottom parts 46 because the shallow bottom parts 46 are formed on both the sides of a peripheral direction of an interruption wall 54 and a low dynamic spring effect is displayed. The shallow bottom parts 46 add the low dynamic spring effect to a high spring characteristic of thick bottom wall parts 48 themselves which are thick in a shaft direction in opposite radial directions, the thick bottom wall parts 48 are radially made thin by radial projecting parts 24, elastic deformation is restricted and large spring rigidity can be secured.  In the deep bottom parts 44, thin bottom wall parts 52 are radially made thin in the opposite radial directions and are mainly sheared and deformed, force of constraint due to the radial projecting parts 24 hardly act and the making the mount into the low dynamic spring can be attained.
Patent JP-H05237527-A (JP)
Title: Hot-rolled plate profile control method
Inventor: TAKAMACHI YASUYUKI
IPC: B21B37/28
Filed: 1992-03-02
Abstract: PURPOSE:To rapidly reduce the late thickness, i.e., reduce the edge drop in the vicinity of the width side end part of the rolled plate by operating the crown shape control device and/or the plate crown schedule in the rear step of a finishing mill so as to control the crown shape to be shifted more toward the tensile side. CONSTITUTION:A plate crown schedule in a series of continuous hot rolling mill train calculate the allowable range of the plate shape where no rolling operation is disturbed at the respective stands from the target crown of the rough rolling outlet side and the final stand outlet side, and then, select in general the center within the allowable range and the rolling schedule (b) taking into consideration the safety of the rolling operation. But the plate crown schedule (a) executing the rolling of center buckle side in the later step of the finishing mill is selected in the allowable range of plate shape where no rolling operation is disturbed. Rolling by operating the crown control devices of the respective stands in accordance with the plate crown schedule allows the rolled plate to be controlled to the target crown on the final stand outlet side, and the edge drop to be reduced.
Patent JP-H06256342-A (JP)
Title: Polythiol compound and resin and lens produced by using the compound
Inventor: KOBAYASHI SEIICHI
IPC: C08G18/72
Filed: 1993-03-05
Abstract: PURPOSE:To obtain a new polythiol compound useful as a raw material for a sulfur-containing urethane resin which is a material for a plastic lens having high refractive index and excellent heat-resistance. CONSTITUTION:2,5-Bis(mercaptomethyl)-2,5-dimethyl-1,4-dithiane of the formula. The compound can be produced by reacting a 2,5-bis(halogenomethyl)-2,5- dimethyl-1,4-dithiane (a halogen compound) with a thiol compound selected from thiourea, potassium thiolacetate, sodium thiocyanate, sodium hydrosulfide and sodium trithiocarbonate and hydrolyzing the reactional product with an acid or an alkali. A new sulfur-containing urethane resin giving a plastic lens having excellent heat-resistance and high refractive index is produced by reacting a polythiol compound component containing the compound of the formula with a component containing at least one kind of compound selected from a polyiso(thio)cyanate compound and an isothiocyanate compound having isocyanato group.
Patent JP-S58161585-A (JP)
Title: Projection type television receiver
Inventor: SAKAI OSAMU
IPC: H04N5/74
Filed: 1982-03-19
Abstract: PURPOSE:To project a picture fed from a CRT on a screen provided on a single inner side of a door and therefore to prevent the soils of each part to ensure projection of pictures of high quality, by distributing on a vertical in-line plural subject CRTs within a housing and providing doors to the front left and right sides of the housing respectively. CONSTITUTION:Plural projecting CRT7 are distributed on a vertical in-line within a housing 1 of a projection type TV receiver. Then doors 8 and 9 which open laterally are fixed to the front left and right sides of the housing 1 by means of hinges 13. A screen 10 is set on the inner side of the door 8, and a mirror 11 is provided to the inner side of the door 9 respectively. Thus the TV pictures given from the CRT7 are projected on the screen 10 from the mirror 11. In such a constitution, the soils or breakdown can be avoided for each part while the TV receiver is not in use. Thus pictures of high quality are projected for a long period of time. The opening of doors can be controlled by means of a rotary opening control projection piece 12.
Patent JP-H06255108-A (JP)
Title: Ink jet head of ink jet printer
Inventor: MATSUI HIROTOSHI
IPC: B41J2/055
Filed: 1993-03-05
Abstract: PURPOSE:To achieve the simplification and cost reduction of a structure and to enable high speed printing and high density printing in the ink jet head of an ink jet printer. CONSTITUTION:A large number of ink jet nozzles 25 are opened and formed to the front of a head main body part 21 and a fine pipe like ink chamber 26 is formed to the head main body part 21 along with the ink jet nozzles 25. The fine pipe like ink chamber 26 is coaxial with the jet axial line of the ink jet nozzles 25. A piezoelectric element attaching plate 29 is provided in the fine pipe like ink chamber 26 and a rod-shaped piezoelectric element 31 is attached to the piezoelectric element attaching plate 29 in coaxial relation to the fine pipe like ink chamber 26. The fine pipe like ink chamber 26 is filled with ink 50 and the rod-shaped piezoelectric element 31 is immersed in the ink 50. The rod-shaped piezoelectric element is extended by the application of voltage and the leading end side surface 31a thereof is moved so as to protrude to push out the ink 50 and the ink 50 is injected as ink particles 50a from the ink jet nozzles 25 in a dot form.
Patent JP-S54137047-A (JP)
Title: Water-soluble high polymer composition
Inventor: SAKADO NAOYUKI
IPC: C08L29/04
Filed: 1978-04-17
Abstract: PURPOSE: The title stable composition capable of forming an aqueous mixture solution having improved compatibility, and films of improved gloss, with uniform state retained, comprising a nonionic water-soluble cellulose ether and a phosphatized polyvinyl alcohol.  
     CONSTITUTION: (A) A phosphatized polyvinyl alcohol with a phosphatization degree of 0.5W10 mol%, preferably having functional groups, is incorporated with (B) a nonionic water-soluble ether, e.g. methyl cellulose, to give a content of one ingredient of 5W95 wt.%, preferably 10W90 wt.%, in the high polymer.  
     USE: Adhesives, protective colloids, paint additives, paper treatments, textile finishes, and thickeners. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-S58162730-A (JP)
Title: Gas turbine apparatus
Inventor: YAMAMOTO SETSUO
IPC: F02C3/14
Filed: 1982-03-22
Abstract: PURPOSE:To achieve a higher thermal efficiency and an increase in the specific output by enabling reheating even when the quantity of oxygen contained in combustion gas is limited. CONSTITUTION:An air compressed with a compressor 1 is introduced to a combustor 2 to generate a high humidity / high pressure combustion gas, which is introduced to a high pressure turbine 3 and then to a reheater 4. At this point, a compressed air of a specified pessure extracted at the intermediate stage of the compressor 1 is introduced as combustion air. The combustion gas raised in the temperature is introduced to a low pressure turbine 5 and exhaust introduced to an exhaust heat boiler 10 whose heat is fed to a steam cycle. Steam generated with an exhaust heat recovery boiler 10 is introduced to a steam turbine 11 and condensed with a condenser 12 to water which is introduced to the exhaust heat boiler 10 with a water supply pump 13. The load with a steam turbine 11 is driven.
Patent JP-S63213534-A (JP)
Title: Electrically conductive polymer composite material and production thereof
Inventor: SHINOMURA TOSHIHIKO
IPC: C08J9/40
Filed: 1987-03-02
Abstract: PURPOSE:To obtain a composite material suitable as electrically conductive material or electromagnetic wave shielding material, having excellent mechanical properties and high electric properties, by packing a polymer containing an electrically conductive filler to pores of porous polymer material having open pores. CONSTITUTION:A polymer B containing 10-95wt.% electrically conductive filler is packed into pores of porous material of a polymer A having open pores with 0.05-10mm pore diameter and 5-95vol.% voids to give a composite material. The composite material is obtained by packing a liquid monomer or prepolymer of the polymer B containing an electrically conductive filler to the pores of porous material of the polymer A, polymerizing or crosslinking and solidifying the polymer B. Polyethylene, polystyrene, etc., are used as the polymer A and polymethyl methacrylate, etc., are the polymer B.
Patent JP-S62205203-A (JP)
Title: Production of ultrafine short metallic fiber
Inventor: NAKAGAWA TAKEO
IPC: B22F1/062
Filed: 1986-03-04
Abstract: PURPOSE:To enable mass production of ultrafine short metallic fibers as a base material to be used for composite material at a low cost by pressing a metallic block of a raw material to the surface of a circular grinding wheel contg. fine hard grinding abrasive grains while rotating said wheel. CONSTITUTION:The circular grinding wheel 1 formed by dispersing and fixing many pulverized grinding abrasive grains 111 of alundum, white alundum, silicon carbide, GC tipe silicon carbide, cubic boron nitride, diamond, etc., into a matrix 110 consisting of a nonresinoid material is rotated around a spindle shaft 12 and the metallic block 2 of the raw material for the short fibers is pressed by a feeder 3 to the surface thereof. A working fluid is supplied from a coolant nozzle 4 and the direction where the metallic block is pressed is specified to the normal direction where the center of the block and center line of the grind ing wheel 1 align or the direction where said centers are offset to some extent. The metallic block 2 is cut off to the nonlinear short metallic fibers 5 having <15mu equv. diameter and <400mum length by a tip 112 of the hard abrasive grains 111 in the grinding wheel, by which the reinforcing base material for the composite material is easily mass-produced.
Patent JP-H06260663-A (JP)
Title: Storing method for optical sensor
Inventor: SAKANO SHINICHI
IPC: H01L51/42
Filed: 1993-03-05
Abstract: PURPOSE:To obtain an optical sensor and an information recording system based thereon which suffer less degradation due to aging and are free from image noises. CONSTITUTION:This optical sensor is one for recording information that is used to form information to be recorded in an information recording medium; the optical sensor is obtained by forming a photoconductive layer 14, or a charge generating layer 14' and a charge transfer layer 14'' to form the photoconductive layer 14, on an electrode layer 13 and 13' formed on a substrate 15. The thus manufactured optical sensors are stored in a dark place at a low humidity (relative humidity: 60%) until use in information recording systems.
Patent JP-H10239555-A (JP)
Title: Light guide bundle connecting device
Inventor: TANAKA KAZUSHIGE
IPC: G02B6/26
Filed: 1997-02-28
Abstract: PROBLEM TO BE SOLVED: To provide a light guide bundle connecting device capable of suppressing the increase of the diameter size of an endoscope side light guide bundle and keeping the optical coupling efficiency high when realizing a connecting structure separating the end faces of the light guide bundles on the light source side and endoscope side. SOLUTION: Both light guide bundles are separately arranged face to face to satisfy the relation Lx<=(R-S)/tanθ, where R is a radius o the light outgoing face of a light source side light guide bundle 100, S is radius of a light incidence face of an endoscope side light guide bundle 200, Lx is the interval between them, and θ is the opening angle of an optical fiber. Light transmission efficiency can be increased without providing an optical system between both light guide bundles 100, 200, and the structure can be simplified.
Patent JP-S54137453-A (JP)
Title: Stud welding using shield gas
Inventor: WATANABE HIROYUKI
IPC: B23K9/20
Filed: 1978-04-19
Abstract: PURPOSE: To raise the quality of welding by preventing the occurrence of oxide film and rust by using stud as plus-pole and also base metal as minus-pole and by using a mixed gas composed of Ar and CO 2  as a shield gas in a stud welding using shield gas.  
     CONSTITUTION: When welding a definite number of the T-stud 2' to the wind frame-fitting portion of the automobile body 1', stud welding is made at a set voltage by using a well-known stored arc stud welder while supplying an Ar-CO 2  mixed  gas (CO 2  : Ar = 2 : 5). In this case, the stud 2' is made plus and also the body 1'  is made minus, differently from the conventional methods, and thus the quantity of heat produced can be reduced and also the adhesiveness of welding metal can be made better and the corrosion resistance of weld can be raised by the impaction of Ar ion against the pole of base metal by which oxides are removed to inhibit the formation of oxide film. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-S55138834-A (JP)
Title: Dry etching method
Inventor: MATSUO SEITAROU
IPC: H01L21/30
Filed: 1979-04-16
Abstract: PURPOSE:To enable fluoride to selectively etch a volatile substance layer without any undercut by employing a gas having a molecular structure of the type that a part of the fluorine of carbon fluoride is substituted for bromine or iodine for an etching gas. CONSTITUTION:A volatile substance layer 2 coated on an SiO2 base 3 is selectively etched with an SiO2 as a mask 1 by fluoride. In a dry etching method therefor, a mixture gas of gas having a molecular structure of the type that a part of the fluorine of carbon fluoride is substituted for bromine or iodine or that carbon fluoride and a part of the bromine, iodine of fluorine of the carbon fluoride is substituted for bromine or iodine for an etching gas.
Patent JP-H05243227-A (JP)
Title: Manufacture of semiconductor device
Inventor: MATSUO MIE
IPC: H01L23/52
Filed: 1992-03-03
Abstract: PURPOSE:To obtain an interconnection whose composition can be kept at constant independently of the width and shape thereof and is highly reliable even if it is made fine and multilayered by a method wherein only the upper surface of an interconnection pattern, mainly composed Al, is exposed and a thin film formed of metal other than Al is formed on the exposed surface and then heat treatment is conducted. CONSTITUTION:On a substrate or on an insulating layer 11 formed on the substrate 10, an interconnection pattern 12 which is mainly constituted of aluminum is formed. A protective layer 13 is selectively formed between the interconnection patterns 12 so that only the upper surface of the interconnection pattern 12 may be exposed. Nextly, a thin film 14 which is mainly composed of metal other than aluminum is formed on the interconnection pattern 12 and then the thin film 4 is heat treated to diffuse metal into the interconnection pattern 12 which is mainly composed of aluminum. For example, a space between the Al-Si alloy interconnection patterns 2 is filled with a resist layer 13 and a copper thin film 14 is formed on the whole surface and then the copper thin film is annealed to diffuse copper into the Al-Si alloy of the interconnection pattern 12.