baber/WOPTO huggingface dataset:
Patent JP-S6086213-A (JP)
Title: Manufacture of crank shaft for internal-combustion engine
Inventor: OKADA MASAKI
IPC: C21D9/30
Filed: 1983-10-18
Abstract: PURPOSE:To improve the resistance against wear and fatigue of a crank shaft by nitrogenating a crank shaft equipped with a lubrication hole and a weight- reducting hole and quenching the bearing part with high frequency. CONSTITUTION:A crank shaft 1 equipped with a lubrication hole 6 and a weight- reducing hole 7 is immersed in a salt bath of nitrogen compound at approx. 500-600 deg.C for a few minutes or is deposited in an ammonia gas at approx. 500 deg.C for scores of minutes for nitrogenation. In this way, nitrogen compound is formed in a thickness of approx. 10mum on a crank journal 2 and a crank pin 3 for a crank shaft 1 as well as a bearing part 9 such as fillet curvature 8. Said compound is also formed in a lubrication hole 6 and a weight-reducing hole 7. After this procedure, the bearing part 9 of the crank shaft 1 is subjected to high- frequency quenching or fillet roll processing thus forming a reinforcing layer 10 on the surface of the bearing part 9 for the crank journal 2 or crank pin 3.
Patent JP-H1034609-A (JP)
Title: Grooving tool
Inventor: HAYATA TOSHIYUKI
IPC: B27F1/00
Filed: 1996-07-23
Abstract: PROBLEM TO BE SOLVED: To provide a grooving tool, for forming a groove in a material like a foamed resin material, which is of a simple structure and can be easily serviced for maintenance. SOLUTION: Two marking-off blades 3 are fitted into a plate-like holder 2 with a screw 16 and a nearly triangular bottom cutting blade 4 is installed behind the marking-off blade 3 through a bracket 5. The bracket 5 is fitted to a recessed part 111 on the back face of the holder 2 with a screw 23 passing through a long hole 15, and the bottom cutting blade 4 is fitted to the bracket 5 with a screw 21. When a material 25 is fed in an arrow A direction, two nicks are cut with the marking-off blades 3, 3, while a groove bottom is cut out with the bottom cutting blade 4. Chips flow along the recessed face of the bottom cutting blade 4 and is discharged out of a recessed part 112 .
Patent JP-H0360489-A (JP)
Title: Granular silicon supply device
Inventor: MORI YOSHIO
IPC: C30B29/06
Filed: 1989-07-26
Abstract: PURPOSE:To make the supply amount of granular silicon stable and to improve the quality of single crystal in the device in which a silicon single crystal is pulled up by continuous Czochralski method by providing the rotary cylinder having plural protrusions or recesses on the peripheral part. CONSTITUTION:The casing 11 capable of substitution for the atmosphere of inert gas is provided in the silicon single crystal pulling-up device, and the granular silicon raw material 27 discharged from the lower discharge opening of the reservoir hopper 12 provided in the casing 11 is allowed to fall on the peripheral surface of the rotary cylinder 14 having plural protrusions or recesses 15 on the peripheral surface, and allowed to fall downwards by the revolution of the rotary cylinder 14 to be suppied to a crrsdible. In this case, the distance between the lower end of the discharge opening of the reservoir hopper 12 and the outer rim part of the rotary cylinder 14 is made larger than the max. diameter of silicon particle, and, when the revolution of the rotary cylinder 14 is stopped, the silicon particles discharged from the lower end of the hopper 12 are accumulated to form a reposing angle on the upper side of the rotary cylinder 14 so that the supply is stopped.
Patent JP-H1015539-A (JP)
Title: Water purifier
Inventor: SASAKI TSUTOMU
IPC: B01D35/04
Filed: 1996-07-03
Abstract: PROBLEM TO BE SOLVED: To allow service water to flow backward to a pretreatment filter and a main filter to individually wash both filters in a water purifier purifying service water by the pretreatment filter and the main filter. SOLUTION: A cylindrical valve disc 4 integrated with a pretreatment filter is inserted in the inner hole of a casing 5 and first and second inlet ports 8, 9 are formed to the upper wall of the casing and first and second outlet ports 13, 14 are formed to the lower wall of the casing and first and second connection ports 17, 18 are formed to one side wall of the casing and a third outlet port is formed to the other side wall thereof and first, second, third and fourth communication passages 25, 26, 27, 28 are formed to the valve disc.
Patent JP-H0481352-A (JP)
Title: Driving device for fire extinguishing vehicle for coke oven
Inventor: BIZEN YOSHIHIRO
IPC: B61B9/00
Filed: 1990-07-24
Abstract: PURPOSE:To reduce the load weight for an orbital plane and prevent the position change on an orbital plane adopting the traveling operation means for a fire extinguishing vehicle by the traction of a winch device through a wire rope, in order to carry out the traveling operation of the fire extinguishing vehicle which travels on a prescribed orbital plane. CONSTITUTION:A fire extinguishing vehicle 14 is traveled freely on a rail 17 laid in correspondence with a coke oven 11, fire extinguishing tower 12, and a coke wharf 13, and the fire extinguishing vehicle 14 is controlled by a system operation controller 18 through a sequencer 19, etc. The cokes baked in the coke oven 11 are pushed out from the inside of the furnace camber, and receiving on the fire extinguishing vehicle 14 through a guide vehicle 22. The red-hot cokes on the fire extinguishing tower 12 are extinguishing by spraying from a fire extinguishing nozzle in a fire extinguishing space. A wire rope traction system is adopted as the traveling operation means for the fire extinguishing vehicle 14, which travels in reciprocation, including the constant position stop operation by the approach switches 23 and 24 at the coke oven 11 and the coke wharf 13 through a wire rope 37 by the turning drive in the normal/reverse direction of a driving drum 35.
Patent JP-H0938651-A (JP)
Title: Producing device of strong acid water
Inventor: NAGASAWA YOSHIFUMI
IPC: C02F1/46
Filed: 1995-07-31
Abstract: PROBLEM TO BE SOLVED: To always obtain a strong acid water having stable quality even when the flow rate of the raw water for the strong acid water is changed. SOLUTION: A raw water supply tube 2 to supply the raw water to an electrolytic cell 1 is equipped with a raw water flow rate detector 7 to detect the flow rate of the raw water. The detected value is sent to a controlling device for a pump 10 to add a salt water, and the revolving speed of the pump 10 is changed proportionally to the detected flow rate of the raw water to control the amt. of the salt water to be added. Thereby, when the flow rate of the raw water changes, the concn. of the salt in the raw water is controlled to adjust the electrolytic current to obtain a strong acid water of specified pH.
Patent JP-H0536618-A (JP)
Title: Semiconductor manufacturing equipment
Inventor: TAKAHASHI TAKETO
IPC: H01L21/3065
Filed: 1991-08-02
Abstract: PURPOSE:To restrain the generation of charge on a semiconductor wafer at the time of vacuumizing and the growth of a natural oxide film on the wafer surface, in a semiconductor manufacturing equipment equiped with a vacuum preliminary chamber. CONSTITUTION:A gas supplying equipment 12 for feeding inert gas and a pressure releasing equipment 13 are linked with a loader side vacuum preliminary chamber 2. Inert gas continuous to be sent in the loader side vacuum preliminary chamber 2 and an inert gas atmosphere is obtained. In this state, wafers 9 are inserted into the chamber 2. The inside of the loader side vacuum preliminary chamber 2 is always replaced by the inert gas. so that oxygen, watre content, etc., decrease from the inside of the loader side vacuum preliminary chamber 2. Thereby ionization of gas particles caused by turbulent flow at the time of vacuumizing is restratined.
Patent JP-H0539466-A (JP)
Title: Tacky adhesive sheet having releasing agent
Inventor: OZASA MITSURU
IPC: C09J7/02
Filed: 1991-08-02
Abstract: PURPOSE:To form a releasing layer having antistatic function and resistant to falling-off by single coating procedure. CONSTITUTION:The releasing agent to be used in the objective tape is composed of a composition produced by compounding a polyvinyl alcohol having an acetalization degree of 2-30% with a long-chain alkyl carbamate at a ratio of 40:60 to 95:5.
Patent JP-H1041340-A (JP)
Title: Thermocompression bonder
Inventor: ADACHI SATOSHI
IPC: H01L21/603
Filed: 1996-07-24
Abstract: PROBLEM TO BE SOLVED: To provide a thermocompression bonder capable of exerting a sufficient holding force on a heating tool even at a high temp. SOLUTION: The bonder comprises a moving block 20 reciprocally movable to a work, heating tool 25 which is disposed at the end of the block 20 and has a heat source, coupling means having screws 37, 38 for coupling the heating tool with the block 20, and elastic means for generating a holding force for directing a heating block to the moving block through the coupling means with an allowance of elastic means deformation so that a min. holding force acts on the heating tool even when the coupling means expands due to heating of this tool.
Patent JP-S6439200-A (JP)
Title: System for listening by headphone
Inventor: MORI TORU
IPC: H04S1/00
Filed: 1987-08-05
Abstract: PURPOSE:To make a similar performance to a speaker listening without having a singular sound pressure frequency characteristic by providing a delay- reverberation sound generating circuit, etc., mixing a direct sound component with an indirect sound component constituted of a delay sound and a reverberation sound and impressing the component to a head-phone. CONSTITUTION:A direct sound component D from the voice input terminal of a left channel Lch is mixed by a mixer 21 with an indirect sound component ID to be prepared by passing through a terminal ch, a mixer 23, a delay- reverberation sound generating circuit 11, an equalizer circuit 13 and a mixing quantity controlling resistance 17. Next, it is amplified by an amplifier 19 and supplied to a headphone hp. In this case, the mixing quantity of the mixer 21 is variable by an adjustment of the resistance 17. Similarly, the direct sound component D from a right channel Rch is mixed by a mixer 22 with an indirect sound component ID to be prepared by passing through an input terminal Rch, a mixer 24, a delay-reverberation sound generating circuit 12, an equalizer circuit 14 and a mixing quantity controlling resistance 18 and supplied to an hp through an amplifier 20. Thus, the performance close to a speaker listening (an expansion feeling, a farnear feeling) can be obtained.
Patent JP-S6253595-A (JP)
Title: Speaker
Inventor: HIRATA MASAKUNI
IPC: H04R9/02
Filed: 1985-09-03
Abstract: PURPOSE:To prevent a higher harmonic distortion due to eddy current and at the same time, to increase the joining force of a magnetic circuit with a frame and to heighten an economical characteristic by utilizing the window aperture material of the frame leaving connected with a part of the frame as the upper part plate of the magnetic circuit. CONSTITUTION:A plate 12 with a center pole is stuck at a part centering the inside bottom part of a frame 11 and after a doughnut shaped magnet 13 is stuck on it, a circle frame window aperture or more having the same size as the outer diameter of the plate 12 with center pole is provided at the inclined plane of the frame 11 keeping a state that a part of a side near the doughnut shaped magnet 13 is connected with the frame 11. Simultaneously, a protruding hole 14a is provided at the center of the circle frame material 14 of a punched window aperture, and by bending one or more punched window aperture circle frame materials 14 at the connecting part with a frame main body into the inside of the frame and overlapping and sticking them on the upper plane of the doughnut shaped magnet 13, an upper part plate 14' is formed, constituting a magnetic circuit 15.
Patent JP-H0358053-A (JP)
Title: Process film exposing method
Inventor: TANAKA KENICHI
IPC: G03F7/20
Filed: 1989-07-27
Abstract: PURPOSE:To reduce the variance of exposure quantity and to shorten a exposure period by turning on a exposure lamp during a vacuum process, releasing a shutter after a prescribed period and starting exposure. CONSTITUTION:An original and a process film are arranged on the printer surface 4 of a contact type printer so that the original is brought into contact with the surface 4; decompression is started by a contact type vacuum device 7; the exposure lamp l is turned on. Then, the shutter 2 is released after a prescribed vacuum period, and the exposure is started. Here, at the time of reaching the above mentioned vacuum period, the lamp 1 has been turned on to have reached a stable light quantity, and is shielded from the surface 4 with the shutter 2 during the vacuum period.
Patent JP-H0945841-A (JP)
Title: Lead frame, integrated circuit and electric device
Inventor: TERAI TAKASHI
IPC: H05K3/36
Filed: 1995-07-31
Abstract: PROBLEM TO BE SOLVED: To make it possible to use a package for a high-frequency amplification module, which is provided with a heat dissipation plate, use or the like, to increase the mounting density of an integrated circuit to a mother board and to improve the high-frequency characteristics of the integrated circuit by a method wherein a large gap is provided between an integrated circuit board and the side of the mother board by the vertical parts of a lead frame. SOLUTION: A lead frame 37 is formed with the outward aperture which is formed of vertical and horizontal parts 37c and 37d, which are respectively formed at solder 39 reservoir parts. In the case where an integrated circuit 31 is mounted on a mother board 42, the horizontal parts 37d of each lead frame 37, which is already mounted to the circuit 31, are respectively positioned on each land 43 on the board 42 and thereafter, a solder 39 is added to the solder reservoir parts of each lead fame 37 to secure each lead frame 37 on the lands 43 and at the same time, the frame 37 is electrically connected with the lands 43. Accordingly, a large gap gc is provided between the circuit 31 and the board 42 by the vertical parts 37c of the lead frame 37. Thereby, a heat dissipation plate can be made to interpose between the circuit 31 and the board 42.
Patent JP-S5984457-A (JP)
Title: Gate turn off thyristor
Inventor: YAMAGAMI KOUZOU
IPC: H01L23/66
Filed: 1982-11-04
Abstract: PURPOSE:To remove the failure due to temperature increase at the part of internal wiring by short-circuiting between cathode and gate external terminals for a control circuit fixed to an outer package and electrodes of a GTO chip by means of a metallic plate in integral body to the external terminals. CONSTITUTION:The cathode electrode plate 35, the external main cathode terminal 35a, the control external cathode terminal 351a are shaped in an integral body by working a copper plate. The internal wiring between the gate electrode plate 36 and the external electrode terminal 361d is also shaped and worked in an integral body by means of a copper plate. By this constitution, there is no abnormal temperature increase at inner lead parts 351d and 361d with respect to a large effective current between the control cathode and the gate electrode, the deterioration or removal of soldering does not generate, the reliability increases, and the wiring work reduces, and therefore the workability remarkably improves.
Patent JP-S6438915-A (JP)
Title: Superconductive electric circuit
Inventor: MAEJIMA SEIJU
IPC: H05K1/02
Filed: 1987-08-04
Abstract: PURPOSE:To obtain a superconductive circuit with a micronized and highly adhesive oxide membrane and with an excellent superconductive property by using a substrate with the surface composed of a single unit metal or alloy selected from the metal elements of Ti, Zr, Hf, and the like, or the metal elements of V, Nb, Ta, and the like. CONSTITUTION:In a superconductive electric circuit 1, is used a substrate 2 composed of a single metal selected from the group IVa metal elements of the periodic table such as Ti, Zr, and Hf, or from the group Va metal elements such as V, Nb, and Ta, or an alloy including such metals at least at the surface. The oxide membrane 3 formed on the surface of the substrate 2 is micronized and the adhesion to an oxide type superconductive circuit 4 formed on the oxide membrane 3 is secured in a good condition. This oxide membrane 3 has an excellent chemical stability, and no impurity is scattered in the superconductive circuit 4. Furthermore, this oxide membrane 3 has a stable insulating property, and a uniform insulation is acquired between the substrate 2 and the superconductive circuit 4. In such a composition, a superconductive circuit in which a good superconductive property and a high mechanical strengh are secured can be obtained.
Patent JP-H0521096-A (JP)
Title: Covering tool
Inventor: HAYAMIZU KAZUO
IPC: H01R4/70
Filed: 1991-07-10
Abstract: PURPOSE:To easily and securely execute sealing of a connection part. CONSTITUTION:Air vent passages 2 are formed in a side wall and the like of a container 1 by means of, for example, many slits, and a single-liquid moisture curing type resin 4 is filled as a sealing agent in this container 1. An opening part of the container 1 is sealed with a cap 5 and further air vent passages 2 are covered with a moisture insulating film 7. The cap 5 is opened, a connection part between two lead wires is inserted into the single-liquid moisture curing type resin 4 through the opening part of the container 1. Then, the moisture insulating film 7 is peeled off to induce outside moisture into the container 1 so as to cure the single liquid moisture curing type resin 4 for sealing of the connection part. Sealing of the connection part can be thereby executed easily and securely.
Patent JP-S6439381-A (JP)
Title: Treating solution for chemical film on magnesium alloy
Inventor: YAMAOKA KENICHI
IPC: C23C22/37
Filed: 1987-08-04
Abstract: PURPOSE:To enhance the primary rust preventing effect of an Mg alloy and the adhesion of a resin coating to a formed oxide film by using a mixed soln. having a specified compsn. contg. chromium trioxide, sulfuric acid, nitric acid and acidic ammonium fluoride as a treating soln. CONSTITUTION:An Mg alloy is immersed in a treating soln. prepd. by adding 0.04-0.45mol. sulfuric acid, 0.07-0.67mol. nitric acid and 0.02-0.21mol. NH4HF2 to an aq. CrO3 soln. having 2.0-2.8mol. concn. to form a golden or green iridescent oxide film causing no exfoliation from the Mg alloy and having superior adhesion to a coating layer of silicone resin, epoxy resin, polyamide resin, etc., on the Mg alloy. The sulfuric acid, nitric acid and NH4HF2 etch Al, Si, etc., forming the Mg alloy together with Mg. When the amts. of the compds. exceed the upper limits the compds. act excessively and deteriorate the surface roughness of the alloy. When the amts. are below the lower limits, the compds. can not remove Al, etc., and deteriorate the adhesion of resin. In case of >2.8mol. CrO3, the formed oxide film becomes thick and may cause exfoliation. In case of <2.0mol. CrO3, the primary rust preventing effect of the Mg alloy is weakened.
Patent JP-S6088204-A (JP)
Title: Torque actuator
Inventor: SAKAGUCHI YUUJI
IPC: F15B15/08
Filed: 1983-10-20
Abstract: PURPOSE:To simplify the construction and reduce the cost of a torque actuator by spirally winding two cords in opposite direction each other on two concentric double, inner and outer, elastic tubular bodies with both their ends tightly sealed and by supplying a pressurized fluid to the two elastic bodies to make the generation of turning moment possible. CONSTITUTION:Two elastic tubular bodies 1 having different diameters, large and small, are concentrically arranged and their both ends are tightly sealed with a stationary member 2 and a movable member 3 to form spaces 7, 8 inside of them, and a pressurized fluid is supplied to or drained out of the spaces 7, 8 through supply/drain ports 5, 6. Cords 10 are spirally wound on each of the inner and outer tubular bodies 1 in a direction opposite to each other, and preferably the angle of the cord and axis of the tubular bodies 1 be 40-70 deg.. By this arrangement when, for example, a pressurized fluid is supplied from the supply/ drain port 5 into the space 7 the tubular bodies 1 tend to shrink axially with radial expansion accompanying, but receives a circumferencial tension component proportional to the fluid pressure acting to cords 10 and a tortional moment is generated to the tubular bodies 1.
Patent JP-S6257701-A (JP)
Title: Production of stainless steel checkered plate
Inventor: CHINJU TATSUO
IPC: C21D9/46
Filed: 1985-09-04
Abstract: PURPOSE:To obtain a checkered steel plate having a good surface characteristic and beautiful checker patterns by limiting the temp. conditions in the hot rolling stage of the stainless steel checkered plate. CONSTITUTION:The hot rolling of the stainless steel checkered steel plate is executed at the rolling end temp. ranging from 780 deg.C to 950 deg.C. The grain boundary oxidation of a high temp. progresses and the surface is cracked if the upper limit temp. exceeds 950 deg.C. The deformation resistance value increases to >=20kg/mm<2> if the lower limit temp. is <=780 deg.C. The deteriorated workability, the roughened surface of rolls and the poor shapes of the checker patterns are then resulted. The stainless steel checkered plate having the good surface characteristic and beautiful checker patterns is thus obtd. when the rolling end temp. is maintained at 780-950 deg.C.
Patent JP-2000222397-A (JP)
Title: Device and method for font retrieval
Inventor: TEJIMA TOKUJI
IPC: G06F3/0481
Filed: 1999-07-09
Abstract: PROBLEM TO BE SOLVED: To efficiently retrieve a font by outputting data corresponding to a partial shape selected out of partial shapes representing the shapes of featured parts of characters with different fonts. SOLUTION: To set a partial image retrieval key, a user clicks the change button corresponding to the area of a shape part to be set. For example, when a variation area A72 is clicked, a partial image list window appears on the display screen of a display device in response to the clicking. In the partial image list window, shapes of different fonts as to the clicked shape are listed and displayed. When a desired partial shape is clicked among the partial shapes listed and displayed in the partial image list window, the desired partial shape is selected. The selected partial shape is displayed in a corresponding partial shape display area A72 in a partial image retrieval area A70.
Patent JP-S6087864-A (JP)
Inventor: SATAKE TOSHIHIKO
IPC: B02B7/02
Filed: 1983-10-18
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-H1137221-A (JP)
Title: Pulley for belt drive
Inventor: AIHARA MASAHIKO
IPC: F16H55/36
Filed: 1997-07-22
Abstract: PROBLEM TO BE SOLVED: To restrain a vibration at a disc and eliminate the effect of the vibration at the disc by fixing a plate for vibration restraining for increasing the rigidity of the disc and restraining the vibration of the disc to the disc, in the pulley for belt driving having a belt hanging part on the outer periphery edge of the disc consisting of a sheet shape body. SOLUTION: A belt driving pulley 36, installed on the crankshaft 9 of an engine, has a disc part 80 screwed on the tip of the crankshaft 9 and a belt hanging part 81 projected along the outer periphery edge of the disc part 80. In this case, a vibration damping plate 82 is stuck and fixed to the inside of the slant part 80b of the disc part 80. A center part 83 and the periphery part 84 shifted to the outside for the center part 83 are integrally formed with this vibration damping plate 82. The outer edge of the periphery part 84 is bent to the inside and when the center part 83 is stuck to the disc part 80, a ring shape clearance 85 around a hole 82a is formed between the center part and the disc part 80. An O ring 86 consisting of an elastic member is mounted in this ring shape clearance 85 in a press-contact state.