baber/WOPTO huggingface dataset:
Patent JP-H0577022-A (JP)
Title: Ceramic stoke for low pressure casting
Inventor: ARIGA KIKUO
IPC: B22D18/04
Filed: 1991-09-18
Abstract: PURPOSE:To restrain the sticking and the deposition of metals at the upper part in a hole of a stoke by making at least the exposed part from molten metal two layers of an inside layer and an outside layer, arranging gap part between two layers to make multi-layer structure and reducing heat radiation from the stoke itself. CONSTITUTION:In the ceramic stoke used at the time of executing the pressurize-casting to the molten aluminum or aluminum alloy, this is constituted with the two layer structure having the inside wall 2 and the outside wall 3. Further, this has the peculiarity of the multi-layer structure arranging the gap part 1 at between the two layers. By forming the structure providing the gap part at between the inside wall and the outside wall, the heat insulating effect is improved and the original performance is sufficiently held and the stoke for low pressure casting being solvable to various problems, such as the secureness of the long service and the safe operation, the improvement of the product quality and the yield, can be provided.
Patent JP-H11109497-A (JP)
Title: Camera
Inventor: IWAI FUMIO
IPC: G03B11/04
Filed: 1997-09-30
Abstract: PROBLEM TO BE SOLVED: To enable photographing only with a camera main body, even if a cover is in an operation impossible state by controlling the camera main body, based on a previously set camera state, even if the CPU of the cover becomes in the operation impossible state. SOLUTION: The attachment of a card to the main body is detected (S10), a CPU starts to feed power (S11) and transmits a specific command to confirm the presence of the operation of the card, thereto (S12). It is judged whether a return command with respect to the specific command is received or not within a fixed time (S13). In the reception of the absence of a change in an operation state, clock data, a photographing mode, etc., are transmitted to the card and displayed on an LCD. In such a case, the card can be operated so that the camera is controlled on the basis of the camera state set in the card (S14). When the reception is not attained, it is decided that the card is inoperative, so that the card is detached and camera control, that is, photographing control, etc., can be executed on the basis of the camera state previously set in the main body (S15).
Patent JP-S62127596-A (JP)
Title: Grease supplying method for bearing of high-speed rotating equipment
Inventor: NAKAMURA ATSUO
IPC: F16C33/66
Filed: 1985-11-29
Abstract: PURPOSE:To maintain a bearing under an always well lubricated condition, by providing a grease ejecting passage at a stationary ring of the bearing. CONSTITUTION:A bearing unit 20 includes a bearing 22 comprising an inner ring 24 engaged with a rotating output shaft 10 to form a rotary ring and an outer ring 26 fixedly held in a bearing housing 30 to form a stationary ring. The rotating output shaft 10 is formed with a plurality of grease supplying passages 14a axially extending from one shaft end 12 which passages 14a are adapted to be plugged by male threaded plugs 18. The bearing housing 30 is formed with a grease ejecting passage 32 at a position just close to the outer ring 26 of the bearing 22 in opposed relationship to a radial groove 14c. A predetermined supply amount of grease is supplied to the bearing unit 20 by means of a grease gun 40 at an appropriate time, thereby lubricating the bearing 22. An excessive amount of the grease is ejected from the grease ejecting passage 32 by a centrifugal force due to the rotation of the bearing 22.
Patent JP-H08130690-A (JP)
Title: Tv broadcast receiver
Inventor: MIYAHARA YASUTOKU
IPC: H04N5/46
Filed: 1994-10-31
Abstract: PURPOSE: To eliminate image disturbance when an analog broadcast program is received in a CATV receiver capable of receiving both analog and digital broadcast programs. CONSTITUTION: An up-converter 12 is used to select a station from a received high frequency signal and distributes the signal into signals 12a, 12b and they are respectively given to each one input terminal of mixers 13, 14. A signal 15a from a local oscillator 15 whose phase is shifted by 90 deg. at a 90 deg. phase shifter 16 is fed to the other input of the mixer 13 and a signal 15b from the local oscillator 15 is fed to the other input of the mixer 14. A 90 deg. phase shifter 17 is connected to the output of the mixer 14 and its output signal is added to the output signal from the mixer 13 at an adder 18, from which an analog IF signal is outputted to an output terminal 19. The output signals from the mixers 13, 14 are outputted respectively to output terminals 20a, 20b as digital I/Q detection outputs.  Image disturbance of an analog IF signal is simply eliminated by having only to insert the 90 deg. phase shifter 17 into the path for the IF signal in this way.
Patent JP-2000094420-A (JP)
Title: Extrusion molding device
Inventor: KAWASAKI SHINJI
IPC: B28B3/26
Filed: 1998-09-22
Abstract: PROBLEM TO BE SOLVED: To provide an extruder, with which a structural body having uniform characteristics can be molded irrespective of various characteristics such as the quality, fluidity, viscosity and the like of a green body to be used. SOLUTION: This extrusion molding device is equipped with a green body supplying part, in which first green body supplying passages 2 and second green body supplying passages 3 for concentrating the green body upon the center axis 10 of a molding part formed in response to respective layers composing a laminate when the green body is extruded to an extrusion direction so as to make an inclination angle of 10-60 deg. to the center axis 10 of the molding part.
Patent JP-S63121681-A (JP)
Title: Method for preventing corrosion of copper alloy pipe
Inventor: SAKANISHI AKIHIRO
IPC: C23F11/18
Filed: 1986-11-12
Abstract: PURPOSE:To effectively prevent the corrosion of the inside of a Cu alloy pipe by dissolving ferrous sulfate in a solvent adjusted to a specified pH and injecting the resulting soln. into the pipe. CONSTITUTION:Ferrous sulfate is dissolved in a solvent (water) adjusted to <=2 pH with an acid to prepare a ferrous sulfate soln. and this soln. is injected into the Cu alloy pipe. A uniform iron film is formed on the inside of the pipe and the corrosion is effectively prevented.
Patent JP-H0992277-A (JP)
Title: Negative active material for secondary battery, electrode and secondary battery using it
Inventor: KITAMURA TOSHIYA
IPC: H01M4/42
Filed: 1995-09-21
Abstract: PROBLEM TO BE SOLVED: To provide a secondary battery with less generation of a passive film, and excellent battery characteristics such as high potential, high capacity, and high energy capacity by using a negative active material comprising a ternary alloy of Ga-Sn-Zn. SOLUTION: Alloy powder having a composition of Gax Sny Znx is manufactured, a 0.2-2cc PTFE dispersion (solid concentration is 60%) and an adequate amount of ethanol are added to the alloy powder of 10g, they are kneaded, a block having a suitable size obtained is dried, rolled to obtain a 0.4mm thick sheet, a 1×1cm<2> sheet is cut out, then pressed against an expanded copper sheet serving as a current collector to form an electrode. The electrode is used as negative plate, a nickel hydroxide electrode is used as a positive plate, and 300g/l KOH solution is used as an electrode to constitute a battery. Quick potential drop appearing in the active material comprising only Ga is prevented.
Patent JP-H1085428-A (JP)
Title: Ball lifting device
Inventor: TAKEUCHI MASAHIRO
IPC: A63F7/02
Filed: 1996-09-17
Abstract: PROBLEM TO BE SOLVED: To provide a ball lifting device capable of accurately detecting the passing of pachinko ball lifted in respective columns of a guide rail groove and preventing a sensor from malfunctioning or failing. SOLUTION: This device 5 polishes and lifts the pachinko balls by making a lifting cylindrical main body 31 around which a carrying belt 44 is rotated and a guide rail cover 37 for which the guide rail groove 37a for lifting the pachinko balls vertically in one column is sectioned and formed for plural columns face each other and holding the pachinko balls there between.  In this case, since a ball passing detector 60 for detecting the passing of the pachinko balls lifted in the respective columns of the guide rail groove 37a for which ball passages 65 are sectioned and formed for the plural columns on the inner side is provided between the terminating end part of the guide rail cover 37 and an upper bent gutter 51 bent in the direction of discharging the balls, the passing of the pachinko balls lifted in the respective columns of the guide rail 37a is accurately detected and the sensor 62 is prevented from malfunctioning or failing.
Patent JP-2000106718-A (JP)
Title: Transmission case fixing structure of sulky rice transplanter
Inventor: MINAISHI TOSHIKI
IPC: B60K17/06
Filed: 1999-09-22
Abstract: PROBLEM TO BE SOLVED: To improve the longitudinal balance of the gravity center of a sulky rice transplanter. SOLUTION: A transmission case 5 is placed under an engine 2 in a manner to superpose at least a part of the case with the engine 2 by plane view. An operation lever is placed immediately after a hood 4 covering the engine 2 and an operation pedal is placed at a side of the hood.
Patent JP-H1179022-A (JP)
Title: Main stand mounting structure for motorcycle
Inventor: NAKAGAWA MITSUO
IPC: B62H1/04
Filed: 1997-09-13
Abstract: PROBLEM TO BE SOLVED: To lighten the frame of a motorcycle by extending a left stay and a right stay from a main stand and forming a left main stand bracket and a right main stand bracket individually so that the stand requires a left pivot and a right pivot shortened individually and that the frame requires no long pivots. SOLUTION: A motorcycle is mounted with a plurality of batteries between its left and right side members 2c extending longitudinally along its body on both sides, and a main stand 81 at the rear ends of these side members 2c. The motorcycle is provided on the side members 2c with main stand brackets 82L and 82R used for the attachment of the stand 81, and the stand 81 is formed at its left and right sides with stays 81a adapted to be journalled on these brackets 82L and 82R.
Patent JP-H1193051-A (JP)
Title: Pulling jig for mandrel for braiding
Inventor: HIRUKAWA MASAO
IPC: B29C70/54
Filed: 1997-09-11
Abstract: PROBLEM TO BE SOLVED: To provide a pulling jig improved in operability and made up of a loading means for pulling a mandrel via joints so as to run tensioned, and others, and to enable a molded product to be cured in a straight posture. SOLUTION: This jig is made up of a pair of revolvable joints 2, 3 connecting both ends of a slender mandrel 1 for braiding use (e. g. ball joints) and a loading means for pulling the mandrel via the joints 2, 3 so as to run tensioned, wherein the loading means is pref. constituted of a tension bolt connected to one of the joints, i. e., the joint 2, and screwed on the bracket of a frame 17.
Patent JP-H08110348-A (JP)
Title: Rotary direction detection device
Inventor: SEKI HIDEO
IPC: G01P13/04
Filed: 1994-10-07
Abstract: PURPOSE: To accurately detect the rotary direction of a target to be measured by additionally layer out a detection element in the middle of a pair of detection elements which are laid out so that they can be successively and magnetically connected to a detection member provided on the surface of a rotator. CONSTITUTION: A detection member II such as a permanent magnet is provided at the outer periphery of a rotator 10 and three Hall elements 13a-13c are fixed and laid out so that they can be connected to the detection member 11 successively in terms of time along the rotary trace of the member 11 opposing the detection member 11. The outputs of the Hall elements 13a, 13c, and 13b are read into a signal processing judging device 15 and a difference operation part 15A calculates the difference (A-B) of the output of the Hall elements 13a and 13b and a sign inversion detection part 15B detects that the sign of the difference (A-B) is inverted from plus to minus. A level judgment part 15C judges whether the level of an output C of the Hall element 13c is high or low when the sign is inverted.  A rotary direction judgment part 15D outputs a signal ACB (P direction) or BCA (Q direction) indicating the rotary direction according to a predetermined reference.
Patent JP-H11107722-A (JP)
Title: Electrode device for electric forging machine
Inventor: TAKASE MASAHIRO
IPC: B21K1/24
Filed: 1997-10-01
Abstract: PROBLEM TO BE SOLVED: To replace a small inexpensive spacer alone with a new one so as to accomplish reduction in costs by removably fix excellently conductive spacers on opposed faces of a pair of left and right supporting tools arranged below an upper electrode and removably arranging a pair of lower electrodes on the opposed faces of the both spacers. SOLUTION: In an electric forging machine formed in an intermediate body 2 provided with a diameter expansion part 2a in one end of a round rod type material 1 serving as a material for an engine valve, a pair of left and right supporting tools 5 are arranged blow an upper electrode 4, and on each of the opposed faces of both supporting tools 5, a lower electrode 15 is fitted removably. In this case, a plate type spacer 13 made of the same material such as copper or copper alloy as the lower electrode 15 is fitted freely removably on each of the opposed faces of both supporting tools 5, and between the supporting tool 5 and the spacer 13, an overlap part, 14 is formed.  On the opposed faces of both spacers 13, the lower electrodes 15 made of the same material as the spacer 13 are fitted so as to be fixed by means of bolts, while a guide groove 8 is formed on each of the opposed faces of both lower electrodes 15, and an overlap face 16 is formed between the spacer 13 and the electrode 15.
Patent JP-S63121323-A (JP)
Title: Compensating amplifier for antenna of automobile
Inventor: NAKASE KAZUHIKO
IPC: H04B1/40
Filed: 1986-11-10
Abstract: PURPOSE:To prevent the lowering of sensitivity caused by stray capacity even when the stray capacity increases by using the suspended capacity between a rod antenna for AM/FM and the coaxial cable of an antenna for land mobile radiotelephone as a constituting element of a band pass filter for AM band. CONSTITUTION:The AM/FM antenna 20 is provided on the supporting part of the antenna 10 for land mobile radiotelephone and it is fixed to a car body 41 with an insulator 42. The coaxial cable 11, which is a feeder for the antenna 10 for the radiotelephone, is made to pass through inside the antenna 20 and connected to the land mobile radiotelephone set. The AM/FM signal received with the antenna 20 is received in a compensating amplifier 30 in a shield case and transferred to a radio receiver. An inductance L1 equipped in the amplifier 30 tunes out low frequency with the stray capacity Cs between the antenna 20 and the cable 11 and the inductance L2 tunes out high frequency with the input capacity Ci, so that the sensitivity can be prevented from lowering.
Patent JP-2000096985-A (JP)
Title: Disk cutter for road header and bedrock excavation method using the same
Inventor: ISOMURA SHIGEKI
IPC: E21D9/10
Filed: 1998-09-22
Abstract: PROBLEM TO BE SOLVED: To advance not only in the axial direction of a road header but also crushing in the form of pressing and widening a bedrock during the time of bedrock boring and continuously perform excavation in a wide range while the cutter boom of the road header is turned. SOLUTION: The disk cutter 1 comprises a base 1, a plurality of roller cutters 1-4 for face excavation arranged on the tip face of the base 2, and a plurality of roller cutters 5-10 which are for plural side excavations, inclined and arranged on the side of the base 2 toward rearward, and the inclination and angle of the roller cutters 5-10 for the side excavation and an attaching position for the side of the base 2 are different from each other. In addition, the excavation method using the disk cutter 1 expands a boom cutter 14, after heading bedrock is bored by the disk cutter 1, the boom 14 is vertically and horizontally swung, and a boring part is centered to widen and excavate the width range of the turning of the boom 14.
Patent JP-H08126642-A (JP)
Title: Apex part of ultrasonic endoscope
Inventor: OHARA KENICHI
IPC: A61B1/00
Filed: 1994-11-01
Abstract: PURPOSE: To shorten the length of an apex hard part and to relieve pain given to a patient by forming a block of an ultrasonic scanning part into an approximately pentagonal shape, fitting the outer face to an objective part block and filling a sealing material into the fitting face in a connecting part of the block of the ultrasonic scanning part and the objective part block. CONSTITUTION: An apex main body 1 provided on the apex of a curved part 30 being freely bendable by remote operation of a flexible inserting part of an endoscope to be inserted in the celom of a patient, has an objective part block 1a wherein an objective optical system 2 for obtaining an optical image of the surface of a subject to be exmanined and a block 1b of an ultrasonic scanning part wherein an ultrasonic probe 3 for obtaining an ultrasonic tomograph of the sublect to be examined is provided is freely removably connected with the apex side. In addition, for this connecting part, the cross-sectional shape of the block 1b is formed into an approximately pentagonal shape with a long side and the objective part block 1a is fitted to this block 1b and a sealing material 27 is filled into the fitted face and both blocks 1a and 1b are fixed by means of a screw 29 on the fitted part.
Patent JP-H0577911-A (JP)
Title: Plate material storage device
Inventor: IGATA SUETA
IPC: B65G1/20
Filed: 1991-09-20
Abstract: PURPOSE:To facilitate the handling of a heavy and large plate material by providing a plate turning device having an inclination driving means, a housing device having an elastic pressing means, and a transferring device for moving a plate material hanging means over the housing device. CONSTITUTION:A plate turning device 1 is positioned horizontally, and a cramp arm 6 is opened to place a plate material P on a holding arm 5, and thereafter, the cramp arm 6 is closed and the plate turning device 1 is positioned vertically, and thereafter, an elevating post 17 is lowered, and the plate material P is dipped up by a support claw 19 at the lower end side thereof. Next, after raising the elevating post 17, a crane girder 14 is driven for travelling, and the plate material P is moved over a target position, passing over a housing device 2, and the elevating post 17 is lowered. Then, the lower end of the plate material P pushes back the inclined surface 12d of the upper end of the pressure-contact plate, and the plate material P is interposed between a post 11 and a pressure- contact plate 12c. The elevating post 17 is lowered from a position, where the lower end of the plate material P abuts on the top surface of a ground beam 10, and the support claw 19 is turned upward to put back the tip thereof.
Patent JP-H04144996-A (JP)
Title: Production of whisker of na1-xti2+xal5-xo12 compound
Inventor: FUJIKI YOSHINORI
IPC: C30B29/62
Filed: 1990-10-05
Abstract: PURPOSE:To produce a compound whisker having a rhombic tunnel structure by heating a mixture of Na2O, TiO2 and Al2O3 in a specific ratio at a specified temperature, thereby cartailing the production cost. CONSTITUTION:A mixture of Na2O or a compound thermally decomposed into the Na2O, TiO2 or a compound thermally decomposed into the TiO2, and Al2O3 or a compound thermally decomposed into the Al2O3 in a compositional ratio of formula I (x is 0-0.5; y is 0-0.6) or the mixture once subjected to a solid reaction is heated at 1000-1400 deg.C to produce the compound whisker having a composition of formula II. The method permits to produce the whisker longer several times than that not employing Na2O only by employing a slightly excessive amount of the Na2O. The above extremely simplified production process is effective for mass-production of the novel alumina whiskers.
Patent JP-H06117417-A (JP)
Title: Pilot circuit
Inventor: SUGIYAMA GENROKU
IPC: F15B11/08
Filed: 1992-10-07
Abstract: PURPOSE:To provide a pilot circuit through which so-called air bleeding in a pilot oil chamber and inside the pilot pipeline of an oil pressure pilot type changeover valve can be surely carried out. CONSTITUTION:A relief valve 22 and a throttle 23 are provided in a discharge passage 21, and the maximum pressure on the primary side of the throttle 23 is suppressed to a specified value larger than PvMAX and smaller PcMAX in the case of a pilot circuit having a pilot valve 4, and oil pressure pilot type changeover valve 7, and a pilot pipeline 6 connected to a pilot oil chamber and set so that a maximum value PcMAX of pilot pressure which can be outputted from pilot valve 4 is larger than the pilot pressure PvMAX needed for moving the spool of the changeover valve 7 in the maximum moving position.
Patent JP-H07116700-A (JP)
Title: Dehydrating method for sludge based on ph control and sludge dehydrator used therefor
Inventor: HASEGAWA SUSUMU
IPC: C02F11/12
Filed: 1993-10-27
Abstract: PURPOSE:To increase dehydration efficiency of sludge by adding chemicals to regulate pH of sludge and regulating electric potential xsi of suspended sludge particles to enhance cohesiveness among the suspended sludge particles and enlarging the apparent particle diameter thereof to reduce filtration resistance. CONSTITUTION:Sludge A to be dehydrated such as industrial waste sludge is discharged from various facilities and temporarily stored in a sludge storage tank 2 and thereafter supplied to a pH regulation tank 4 by a pump 3. The pH of sludge A in the pH regulation tank 4 is regulated by supplying chemicals in the storage tank 5 of a pH adjustor to the pH regulation tank by a pump 6 controlled through a pH detection controlling means 8 constituted of a pH meter. Thereby electric potential C of suspended sludge particles of sludge A is regulated close to an isoelectric point and cohesiveness among the suspended sludge particles is enhanced and the apparent particle diameter thereof is enlarged. Therefore, filtration resistance is made small in the case of dehydration treatment by a dehydrator 10 and sludge A is efficiently dehydrated.
Patent JP-H09115184-A (JP)
Title: Optical information medium and its production
Inventor: MATSUMOTO TAKANOBU
IPC: G11B7/24
Filed: 1995-10-17
Abstract: PROBLEM TO BE SOLVED: To prevent the warpage of an optical information medium caused by drying of a hydrophilic resin film formed on the surface of the optical information medium. SOLUTION: This optical information medium has a protective layer 25 consisting of a resin formed directly or via another layer on a plate-like translucent substrate 21 and is capable of reproducing or recording optically recording information with a laser beam. A hydrophilic resin film 26 fixable with a water-base ink for printing is formed on the rear surface on the side of this translucent substrate 21 on which reproducing light is made incident. This hydrophilic resin film 26 contains a swelling agent hardly evaporatable at ordinary temp. the swelling agent which has a mol.wt. of <=500, has a vapor pressure lower than the vapor pressure of water and has a hydrophilic group, is preferable. The swelling agent is incorporated at 0.1 to 30.0wt.% into 100wt.% water absorbent resin component of the hydrophilic resin film 26.