baber/WOPTO huggingface dataset:
Patent JP-H03199318-A (JP)
Title: Rapid melting device for aluminum ingot
Inventor: NUKAZUKA MASARU
IPC: C22B9/16
Filed: 1989-12-28
Abstract: PURPOSE:To allow the adjustment of the induction coil of a melting furnace to the optimum height for the material quality and size of an ingot by constituting the induction coil of the melting furnace in such a manner that the coil can be elevated in the method for melting the ingots by a coolant insertion melting method. CONSTITUTION:The Al ingot (coolant) is inserted into an insertion guide 11 and is further inserted into the melting furnace 12. The induction coil 13 for melting on the outer periphery of the furnace 12 is adjusted to the optimum height by a lifting device 20 in such a manner that the optimum melting interlinkage point corresponding to the material quality and size of the coolant is obtd. The timing to insert the next ingot when there is the already inserted ingot in the furnace 12 is so adjusted that the interlinkage line with the magnetic flux from the coil 13 attains the state optimum for the ingot of this type when the height of the ingot in the furnace 12 lowers successively and the next ingot is inserted. The coolant is inductively heated to form liquid drops which are admitted into a heating up furnace 14. The liquid drops are heated up by the induction coil 15 for heating up and are admitted into a tapping pipe 16.
Patent JP-2001156393-A (JP)
Title: V-groove grating mirror and external resonator type variable wavelength light source using it
Inventor: ASAMI KEISUKE
IPC: G02B5/18
Filed: 1999-11-29
Abstract: PROBLEM TO BE SOLVED: To provide an external resonator type variable wavelength light source employing a V-groove grating mirror in which reflected light can be obtained in parallel even if a mirror or the optical axis is inclining and translation of reflected light can be minimized. SOLUTION: The external resonator type variable wavelength light source comprises a semiconductor laser 5 having one edge applied with an anti- reflection film, a lens 6 for converting the light emitted from the edge of the semiconductor laser 5 applied with an anti-reflection film 5a into parallel light, a diffraction grating 7 for diffracting the parallel light converted through the lens 6 while selecting the wavelength, and a mirror for reflecting the diffracted light from the diffraction grating 7 and returning back to the semiconductor laser 5 through the diffraction grating 7 and the lens 6 wherein a V-groove grating mirror 8 having a reflective face arranged with a plurality of V-grooves 2 defined by a V type cross-section perpendicular to a base material 1 and applied with a reflective film 2 on the surface thereof is employed as the mirror.
Patent JP-H11170189-A (JP)
Title: Sucking-taching device for electronic parts
Inventor: KAWANO YASUO
IPC: B25J15/06
Filed: 1997-12-09
Abstract: PROBLEM TO BE SOLVED: To provide a sucking-detaching device for electronic parts capable of sucking and detaching the electronic part while keeping a horizontal attitude even if the sucking face of the electronic part to be sucked carried is not flat. SOLUTION: This sucking-detaching device is equipped with a plurality of pins which are arranged on the periphery of a sucking pad 3 for sucking an electronic part 1 and can slide in the sucking and detaching directions of the electronic part 1; a pin driving means for reciprocating a plurality of pins 10 in an interlock with the sucking pad 3 by a piston 12 fitted in a plurality of cylinders 11c to communicate with a through hole 11a for gas for suction and buff to communicate with the sucking pad 3, and the tips of a plurality of pins 10 are allowed to abut on the electronic parts 1 to suckedly carry them in a horizontal attitude.
Patent JP-H05174453-A (JP)
Title: Tape tension mechanism for recording and reproducing device
Inventor: MAEHARA MASANORI
IPC: G11B15/43
Filed: 1991-12-20
Abstract: PURPOSE:To prevent the occurrence of a tape damage by reducing the tape tension during a fast tape winding of a recording and reproducing device. CONSTITUTION:A base end section 20b of a tension spring 20, which rotationally pressing a tension arm 28, is connected to a slider 31 which performs a sliding operation in accordance with the tape fast forwarding operations. During a tape fast forwarding, the slider 31 is slid, the end section 20b of the spring 20 is moved closer to the axis supporting point of the tension arm 28. Thus, rotational pressing force of the spring 20 against the tension arm 28 is reduced resulting in a reduction of a back tension against the tape.
Patent JP-H03202618-A (JP)
Title: Alcoholic engine
Inventor: KAWAMURA HIDEO
IPC: F02B1/02
Filed: 1989-12-28
Abstract: PURPOSE:To enhance the combustibility and prevent generation of uncombusted gas by providing a combustion chamber of heat insulating structure recessedly in a piston head, and furnishing the cylinder head with a flat glow plug and a fuel injection nozzle having multiple jets in such a way as capable of intruding into this combustion chamber. CONSTITUTION:At the piston head part of a piston 11 a hole 9 is formed, and in it a structural wall body 20 is fitted so as to form a combustion chamber 1 of heat insulating structure. The cylinder head 10 is fitted with a flat glow plug 3 which can intrude into the combustion chamber 1, while a fuel injection nozzle 4 alike capable of intruding into the combustion chamber 1 is arranged in the position approx. in its center and being eccentric toward the glow plug 3. This fuel injection nozzle 4 shall be in such a structure that a number of jets 17 are provided in steps at the periphery of the nozzle body 19, and thereby alcoholic fuel injected through the jets 17 is allowed to collide with the flat surface 25 of the glow plug 25. Thus gasification of the fuel can be made in good performance.
Patent JP-H0739708-A (JP)
Title: Oil filtering device
Inventor: RARUFU REICHIYAATO
IPC: B01D17/12
Filed: 1993-12-06
Abstract: PURPOSE: To provide an apparatus for oil filtration, together with refining some portions of nonconductive hydrocarbon fluids as the need arises, capable of continuously conditioning the fluids. CONSTITUTION: An arrangement of interconnected filters having at least two different type filters is provided. And, means for mechanically and electrically arranging the filters is equipped, if necessary, so as to allow a continuous conditioning of the fluids with the option of re-refining some selected portions of the fluid. A monitor is provided at the end of at least one of the filtering functions for monitoring the quality of the fluid. The fluid is automatically rerouted to a clean reservoir or to recycling.
Patent JP-2000162247-A (JP)
Title: Photo-electric current measuring apparatus
Inventor: WATANABE SAKAE
IPC: G01R19/00
Filed: 1998-11-30
Abstract: PROBLEM TO BE SOLVED: To measure a d.c. also with high accuracy. SOLUTION: An end part of an optical fiber 2-1 is optically coupled to a junction path 12-1a of an optical branching coupler 12-1, and an end part of an optical fiber 2-2 is optically coupled to a junction path 12-2a of an optical branch and coupler 12-2. Pulse lights are alternately emitted from a light- emitting device 3-1 and a light-emitting device 3-2. The pulse lights from the light-emitting device 3-1 is received by a light-receiving device 4-1 via the path of a branching path 12-1b, the optical fiber 2-1, a sensor part 1, the optical fiber 2-2 and a light branching path 12-2c. The light pulse from the light-emitting device 3-2 is received by a light-receiving device 4-2 via the path of a branching path 12-2b, the optical fiber 2-2, the sensor part 1, the optical fiber 2-1 and a branching path 12-1c.  A current is measured on the basis of the result of the division of received outputs at the light-receiving device 4-1 and the light- receiving device 4-2.
Patent JP-H08169707-A (JP)
Title: Method for activating material to be activated for adsorbent
Inventor: HIRAI YOJI
IPC: C01B32/336
Filed: 1994-12-16
Abstract: PURPOSE: To obtain material to be activated having high adsorptivity in a short activating time by placing the material in a low-temp. activating gas atmosphere and in a high-temp. activating gas atmosphere alternately and repeatedly. CONSTITUTION: A high-temp. reaction compartment 17 surrounded with a furnace wall 14 and a partition plate 18 is held at 1000 deg.C by a high-temp. gas sprayed from a high-temp. gas pipe 8, and a low-temp. reaction compartment 16 is kept at 800 deg.C by a low-temp. gas sprayed from a low-temp. gas pipe 4. A material 1 to be activated in the compartment 17 is heated tot 900 deg.C by a high-temp. atmosphere, expanded, desorbed, moved into the compartment 16 from the compartment 17 by a scraping blade 19 as a furnace-wall rotary kiln is rotated, dropped on the partition plate 18, cooled to 800 deg.C, contracted, adsorbed, sent to the lower end and moved again into the compartment 17 by the blade 19.  The material 1 is subjected to the high-temp. expansion and desorption and to the low-temp. contraction and adsorption repeatedly as the furnace wall 14 is rotated, and the activation is promoted.
Patent JP-H09180867-A (JP)
Title: Laminated ceramic heater
Inventor: INASAWA KOICHI
IPC: G01N27/409
Filed: 1995-12-26
Abstract: PROBLEM TO BE SOLVED: To provide a laminated ceramic heater having its structure in which generation of deformation, cracking, etc., with a laminate body can be restricted in a de-fat process. SOLUTION: A base bottom sheet 12 and a protective sheet 14 of a heater 11 is alumina (Al2 O3 ) in its main component and is formed by de-fat quenching a green sheets 12a and 14a including an organic resin (dissolving temperature: 250 deg.C) as a binder. A heating pattern 13 is formed by printing a platinum(Pt) and a print paste including an organic resin (dissolving temperature: 300 deg.C) as a binder on the surface of the green sheet 12a for the base bottom sheet. In a de-fat process, the organic resin of the green sheets 12a and 14a is first dissolved and evaporated. The evaporated organic resin forms plural lead-out holes inside each of the sheets 12a and 14a. Next, the organic resin of the heating pattern 13 is dissolved and evaporated. The evaporated organic resin moves the inside of that lead-out hole and is discharged to the outside.
Patent JP-2000158483-A (JP)
Title: Method and apparatus for drying particulate molding material by injection molding
Inventor: TAKAYAMA KAZUTOSHI
IPC: F26B17/16
Filed: 1998-11-30
Abstract: PROBLEM TO BE SOLVED: To shorten a drying time of a predetermined amount of a particulate molding material by heat transfer drying by bringing the molding material into contact with a heated metal plate in a drying gap. SOLUTION: A long longitudinal drying cylinder 1 is formed of inner and outer double cylinders 2, 3 by metal plates. A drying gap 5 for receiving a particulate molding material 4 between the cylinders 2 and 3 in an aligned state of particles one by one is formed. A band heater is entirely provided on an outer periphery of the cylinder 2. A metering part 7 having a conical distributor 9 disposed at an upper end of the cylinder 3 is extended and formed at an upper part of the cylinder 2. A sender 10 is connected to a lower end of the cylinder 2. Shutters are respectively provided at the part 7 and the sender 10. A pressure reducing pipe or an inert gas pouring pipe 16 is provided at a side of the cylinder 2.
Patent JP-H04209328-A (JP)
Title: Driving coil of optical head
Inventor: MIURA MASAFUMI
IPC: G11B7/085
Filed: 1990-11-30
Abstract: PURPOSE:To eliminate variation due to temperature of total resistance and to prevent lowering of driving force due to heat generation by connecting a thermister with a reverse temperature coefficient in series with the driving coil. CONSTITUTION:The thermisters 13 and 14 with reverse temperature characteristics of resistance value as the coils are connected electrically in series to a track coil 30 and a focus coil 31. Electricity of a specified direction is fed to the coil 30 and the coil 31, and an objective lens is driven by electro magnetic effect with a magnetic circuit. At this time, heat is generated at each of the coils 30 and 31, and the temperature of the thermisters 13 and 14 are risen. Then, the coil DC resistance value of these are made greater. However, since the thermisters 13 and 14 with the temperature characteristics of the reverse resistance values as these coils are attached, the increased portion of the resistance value generated due to the temperature rise is compensated by reduction of the resistance value of the thermister.
Patent JP-H05279579-A (JP)
Title: Polymer blend
IPC: C08J3/20
Filed: 1991-11-28
Abstract: PURPOSE: To obtain a polymer blend having tearing strength and abrasion resistance or having improved extrudability by blending an elastomeric resin or a plastic resin with specified tetrafluoroethylene copolymer particles.  
     CONSTITUTION: 100 pts.wt. elastomeric resin or plastic resin (A) is blended with 0.1-200 pts.wt. tetrafluoroethylene copolymer particles (B). Particles B are adapted so that they may comprises recurring units of tetrafluoroethylene and at least one type of recurring units of an ethylenically unsaturated comonomer copolymerizable therewith, may have a tensile elongation at break of above 60%, a yield strength/breaking strength ratio of above 0.50 and a rheometer pressure of below 3,500 psi (24.1 Mpa) and may be present in the resin in the form of small platy particles distributed throughout the entire resin. In the elastomeric blend, the tearing strength and abrasion resistance can be improved, whereas in the plastic blend, the extrudability can be improved. 
     COPYRIGHT: (C)1993,JPO
Patent JP-H08232965-A (JP)
Title: Sealing device of bearing
Inventor: NOSE TAMOTSU
IPC: F16C33/10
Filed: 1995-12-04
Abstract: PURPOSE: To improve external force resistance holding performance of a sealing device of a bearing and to favourably hold bearing CONSTITUTION: A state of filling oil from a bearing part 31 to clearance changing parts 32 is made by providing the clearance changing parts 32 to satisfy a specified condition at two points on both ends of the bearing part 31 on a radial bearing part, respective content quantity of the both clearance changing parts 32 at the two points is set as 100% or more, clearances on both clearance changing part outer ends 32b are set twice or more of clearances on both clearance changing part inner ends 32a. Consequently, it is constituted to constantly hold oil at the bearing part even dispersion of oil filling quantity and inside capacity, change of the content quantity caused by floating and heating of a thrust bearing due to rotation, etc., and change of oil capacity due to evaporation and inside entrained air take place.
Patent JP-H04204951-A (JP)
Title: Image forming device
Inventor: MURASE KOJI
IPC: G03G15/05
Filed: 1990-11-30
Abstract: PURPOSE:To thin a device, to enhance operability and to facilitate maintenance by arranging a photosensitive drum and a paper feeding cassette through a void and taking the void as the carrying path for a recording paper. CONSTITUTION:In the case of performing a printing action, a paper ejecting tray 15 is allowed to fall down to be nearly level. By rotating a paper feeding roller 4, the recording paper is carried from the paper feeding cassette 2 and inverted by a guide 3, then it is allowed to pass through the recording paper carrying path 11 and stand by at the entrance end of a resist roller pair 12. Meanwhile, after exposure is performed by an exposing unit 9 included in the photosensitive drum 7 and development is performed by a developing device 6, an image is transferred to the recording paper by rotating the drum 7 to a transfer position in timing with the recording paper. Continuously, fixing is performed by a fixing roller pair 14 and the paper is ejected on the tray 15. In the case that jamming occurs, a carrying unit 10 is pulled out to perform the processing.
Patent JP-2000157690-A (JP)
Title: Game machine
Inventor: ISHIHARA TOSHIKO
IPC: A63F7/02
Filed: 1998-11-30
Abstract: PROBLEM TO BE SOLVED: To arouse a player interest in a game by varying the figures under a new condition besides the winning into a start winning hole of a game ball. SOLUTION: A figure display device 7 mounted on a game zone having barrier nails, winning devices and the like, of a pachinko machine as an example of a game machine, comprises a figure display part L displaying the figures varied and stopped by a controller of the pachinko machine, and a front member 13. The front member 13 comprises a stage 26 comprising oscillatable flippers 29, 29, the warp zones 24, 24 for guiding game balls to the stage 26, and a sensor 30 mounted at the depth of the stage 26 and electrically connected to the controller. The game ball is flipped to the depth by the flippers 29, 29.  The sensor 30 changes its electric resistance when the flipped game ball is contacted with the sensor 30, and the controller receiving the change of voltage through the electrical connection, generates the holding of operation as the prerequisite of the variation of the figures within a specific upper limit.
Patent JP-H10309527-A (JP)
Title: Screening method and device, and partition used in the method
Inventor: HIGUCHI KATSUMICHI
IPC: B07B1/46
Filed: 1997-12-10
Abstract: PROBLEM TO BE SOLVED: To supply a large amt. of raw material to the screen surface and to prevent the discharge of the fine raw material from an upper discharge port by hindering the movement of the raw material direct to the upper discharge port from the central part with the partition flush with the screen surface and extending from the upper discharge port of a screen frame to the central part of the screen surface and screening the raw material. SOLUTION: A lid 19 is removed, the flange of a partition 23 is placed on an annular flange 7F provided at the upper end of a screen frame 7, then the lid 19 is put on, and the partition is fixed to the frame by a fastener 21 along with the lid. Subsequently, the screen is driven, screening vibration is imparted to a vibrator base 5, a large amt. of raw material is dropped on the central part of a screen surface 9 from the raw material feed port 17 of the lid 19, the movement of raw material toward the inner periphery of the frame 7 is hindered by the partition 23, and the raw material is accumulated over the whole surface in the partition 23 and screened. Accordingly, a large amt. of the raw material is screened by the large area of the screen surface 9, the amt. of the raw material screened per unit time is increased, and efficiency is improved.
Patent JP-H04207043-A (JP)
Title: Charge transfer device
Inventor: KOYA YOSHITO
IPC: H01L21/339
Filed: 1990-11-30
Abstract: PURPOSE:To enhance the output sensitivity of a floating diffusion layer type amplifier (FDA) used as an output amplifier by a method wherein the thickness of a gate insulating film for a MOS transistor constituting the FDA is formed to be thinner than the thickness of a gate insulating film for a charge-coupled element. CONSTITUTION:At a CCD part, a transfer gate 13 is formed on a gate insulating film composed of a three-layer structure which is formed of an SiO2 film 31 an SiN film 32 and an SiO2 film 33. At a MOS transistor part 20, a gate electrode 21 is formed on a gate insulating film composed of one layer by the SiO2 film 31. That is to say, the gate insulating film at the MOS transistor 20 is thinner than that of the CCD part. Also the transistor is of an LDD structure where a sidewall insulating film 34 has been formed and a low- concentration diffusion layer 23 (23a, 23b) has been formed between a source- drain region 22 (22a, 22b) and a channel region. An inessential capacity such as a parasitic capacity or the like can be reduced further and the output sensitivity of an FDA can be enhanced.
Patent JP-H11176489-A (JP)
Title: Photoelectric conversion element and light-regenerating type photoelectrochemical battery
Inventor: TAKIZAWA HIROO
IPC: H01M14/00
Filed: 1997-12-10
Abstract: PROBLEM TO BE SOLVED: To provide a photoelectric conversion element having superior photoelectric converting characteristic and durability, while having little deterioration with a lapse of time by forming an element of the disk-like compound having a substituent group for reacting with a semiconductor as a photoreceptor and light or thermal energy or the charge transporting material containing the reactant thereof. SOLUTION: A photoelectric conversion element is formed of a discoid compound such as triphenylene derivative having a substituent group capable of reacting with a semiconductor and light or thermal energy to generate the combination coupling or the charge transporting material containing the reactant thereof. As a semiconductor, silicon having sensitivity increased by color element and a fine particular semiconductor such as metal chalcogenid is desirable.  As the discoid compound, a compound expressed with a general formula An-k -D-(L-P)k (where P is a reactive substituent group, D is an (n)-functional group at the center, L is a group for connecting P and D or combination coupling, (n) is an integer of 3 to 8, (k) is an integer of 1-n, P is isocyanate group, amino group, acetylene group of the like, A is a substituent which does not contribute to the generation of reactive composition).
Patent JP-H11139042-A (JP)
Title: Pen holder paired with memo paper receiver
Inventor: ONO HEISUKE
IPC: A45C11/34
Filed: 1997-11-06
Abstract: PROBLEM TO BE SOLVED: To provide a pen holder paired with a memo paper receiver. SOLUTION: Memo papers 13 and a pen holder are made to be received in a pen holder receiving container 1 with a window for memo 17 opened.
Patent JP-H08159494-A (JP)
Title: Floor heating apparatus
Inventor: UCHIDA TSUTOMU
IPC: F24D3/14
Filed: 1994-11-30
Abstract: PURPOSE: To provide a floor heating apparatus for obtaining comfortable floor heating without having irregularity in temperatures. CONSTITUTION: A gap forming member 7 comprising an elastic member is provided at each of both ends of a floor heating panel 1, which are positioned in the longitudinal direction of the floor heating panel 1 having a heat transfer means 2. This floor heating panel l is fitted into a space between floor joists, and flooring 13 to be heated is mounted on the floor heating panel 1. Thereby, a heat transfer air layer 15 surrounded by the gap forming members 7 and floor joists is formed between the floor heating panel 1 and the flooring 13, and heat radiation from the floor heating panel 1 is applied to the flooring 13 uniformly over its entire face, whereby comfortable floor heating without having irregularity in temperatures can be obtained.
Patent JP-H06208321-A (JP)
Title: Image-forming device
Inventor: KOU RAKUKOU
IPC: G03G21/10
Filed: 1992-11-30
Abstract: PURPOSE: To reuse toner and to simplify a device by recovering the toner remaining on the recording surface of a photoreceptive drum, after a transfer is performed, with a toner recovering means and supplying the toner to a developing unit. CONSTITUTION: A Toner image corresponding to a latent image is formed on the outer periphery of the photoreceptive drum 40, from an electrostatic latent image, in such a manner that the toner supplied by a developing roller 13 in the developing unit 50 is differentially stuck to the recording surface 40' of the photoreceptive drum 40. The toner image is transferred to a transfer medium 32 such as a paper sheet fed from a recording paper cassette 30 by a paper feeding roller 31, in a transfer unit 14 under the photoreceptive drum 40 and ejected outside a machine by a paper ejecting roller 20. The toner remaining on the recording surface 40' of the drum 40 is removed by a cleaning blade 15, to be recovered into a case 51.