baber/WOPTO huggingface dataset:
Patent JP-2001280440-A (JP)
Title: Bolt and nut
Inventor: KUMASHIRO TERUO
IPC: F16H25/24
Filed: 2000-03-31
Abstract: PROBLEM TO BE SOLVED: To provide a bolt and nut which can quickly alter relative positions without rotating the bolt and/or the nut in relative relation. SOLUTION: The bolt/nut A comprises: a bolt 1 on the periphery of which a spiral groove(s) of single, double, or more threads is or are formed for fitting and rolling balls; and a nut 2, engaging threadably with the bolt 1, which includes a ball retention case 21 threadably and relatively rotatably engaged around the bolt, a ball retention outer case 22 fitted around the ball retention case, and an outer case 23 fitted relatively rotatably around the ball retention outer case and further a primary locking device 24 which blocks the relative rotation between the ball retention case and the outer case, wherein the ball retention case is rotatably fitted against ball fitting holes 211 arranged spirally at given intervals according to the spiral groove and has a plurality of balls 212 in part against the spiral groove 11,  and wherein the ball retention outer case are supporting balls by sandwitching with the spiral grooves.
Patent JP-2001295137-A (JP)
Title: Water-absorbing fiber product by using water-absorbing acrylic fiber
Inventor: NAKAGAWA TETSUO
IPC: D04H1/46
Filed: 2000-04-04
Abstract: PROBLEM TO BE SOLVED: To provide an acrylic water-absorbing fiber product excellent in drying properties regardless of excellent water-absorbing properties. SOLUTION: This water-absorbing fiber product is characterized in that the fiber product includes >=20 wt.% water-absorbing acrylic fiber obtained by joining (A) 80-20 pts.wt. acrylonitrile-based polymer containing >=90 wt.% acrylonitrile bonded thereto, to (B) 10-90 pts.wt. acrylonitrile-based polymer containing <=88 wt.% acrylonitrile bonded thereto, and regulated so that the polymer (A) component may have a finely porous structure, and the polymer (B) component may have a dense structure, and having >=1.32 cN/dtex knot strength, and >=20% water-holding capacity.
Patent JP-2001238719-A (JP)
Title: Tank back for motorcycle
Inventor: KATAOKA TETSUO
IPC: A45C13/00
Filed: 2000-02-29
Abstract: PROBLEM TO BE SOLVED: To improve easiness of use of a map case in a tank back having a map case ant to improve design during non-use. SOLUTION: A map pocket is provided on the front side of the tank back 1, only the upper edge part of the map case 7 is sewed near a lid 5 of its opening, and the map case 7 is freely handled from a map pocket. The map case 7 is taken out of the map pocket and expanded on the front side during using, and stored in the map pocket 9 by folding if necessary during non-use, so that it cannot be appeard.
Patent JP-2001283827-A (JP)
Title: Current cut-off element for battery
Inventor: AZEMA TADAMITSU
IPC: H01M2/34
Filed: 2000-04-03
Abstract: PROBLEM TO BE SOLVED: To provide a compact current cut-off element which does not hamper the thinness of a battery, which can surely break electric current passage between an external body, one of the electrodes of a battery, and an outer lead, with a narrow side fallen inside in a concave form when a broad side gets expanded with rise of inner pressure of a battery, by forming a current cut-off element in a body separate from the external body of the battery, and fitting in on the narrower side of the external body. SOLUTION: An external body 2 of the battery 1 consists of a pair of first side faces 3 arranged facing each other expansible with the rise of an inner pressure of the battery and a second side face 4, with smaller surface area than, and adjacent to, the first side face 3, caves in to form a concave shape in accordance with expansion of the first side face 3. On the second side face 4 is fitted a holding member 5, to which a conductive connection member 6 is fixed, and between the conductive connection member 6 and the second side face 4 is formed an electric passage, which is broken, since the second side face gets caved in a concave shape when the inner pressure of the battery 1 rises and the first side face get expanded.
Patent JP-2001291921-A (JP)
Title: Ultranarrow band width laser device
Inventor: TAKEHISA KIWAMU
IPC: H01S3/22
Filed: 2000-04-07
Abstract: PROBLEM TO BE SOLVED: To provide an ultranarrow band-mode laser device of high wavelength stability, whose wavelength which is narrowed to an ultra-narrow band mode of about 0.2 to 0.3 pm. SOLUTION: A laser beam L13 in an optical resonator is converged by a lens 14a and a lens 14b. A pinhole plate 17 is disposed near its focal point. Light of a small beam spread angle is formed by the lenses 14a, 14b and the pinhole plate 17. That is, only a light (laser beam of wavelength 157.6299 nm), having a small beam spreading angle which can pass through a hole of the pinhole plate 17, is amplified and is subjected to laser oscillation. The beam spread angle of the laser beam passing through an etalon 15 is therefore small and is sufficiently thinned to an ultra-narrow band-mode. Fluorine laser, having two oscillation lines originally, is also subjected to single-line processing by means of the lenses 14a, 14b and the pinhole plate 17.
Patent JP-2001291642-A (JP)
Title: Electrolyte solution for electrolytic capacitor and element for electrolytic capacitor using the same
Inventor: SASADA SHINYA
IPC: H01G9/035
Filed: 2000-04-10
Abstract: PROBLEM TO BE SOLVED: To provide an electrolyte solution for electrolytic capacitor and an electrolytic capacitor, where the leakage of an electrolyte solution can be prevented, a solvent be prevented from evaporation in case where it is used at t high temperature and a for a long time, and which have an appropriate service life. SOLUTION: This electrolyte solution is comprised of a solvent, which contains a γ-butyrolactone and an N-hydro cyclic amide (A) represented by a general formula (1) or (2), and an electrolyte (B) which is made of class 3rd amine and salt containing an amidinium or a guadinium cation (a) and a carbonic acid anion (b), and an element for electrolytic capacitor uses this electrolyte solution. (In the formula (1), n is an integer of 3 to 5, and each of methylene groups may have a substituent.) (In the formula (2), m is 1 or 2, and each of methylene groups may have a substituent.).
Patent JP-2000351609-A (JP)
Title: Purification of ozone
Inventor: JI WENCHANG
IPC: C02F1/78
Filed: 2000-03-06
Abstract: PROBLEM TO BE SOLVED: To provide an efficient method for increasing the ozone concentration with a smaller decomposition loss by introducing a gas mixture comprising ozone and oxygen into a feed zone, by permeating an ozone-enriched gas into a permeate zone, by producing an oxygen-enriched gas in the feed zone, and by removing the oxygen-enriched gas and ozone from the feed zone and the permeate zone, respectively. SOLUTION: This method is to introduce a gas mixture comprising ozone and oxygen into a feed zone of gas separation means comprising the feed zone and a permeate zone which are separated by an ozone-permeable membrane made of silicone-based polymers, ethylene-propylene terpolymer, fluorocarbon elastomer, etc., at a temperature ranging from about -120 to about 100 deg.C and at a pressure ranging from about 0.8 to about 20 absolute bars so as to permeate an ozone-enriched gas into the permeate zone and so as to produce an oxygen-enriched gas in the feed zone. Ozone is removed by purging the permeate zone with inert gas or by evacuating the permeate zone, or by purging the permeate zone with inert gas and evacuating the permeate zone.
Patent JP-2001296685-A (JP)
Title: Method for image forming, and toner
Inventor: TAKAHASHI NORIAKI
IPC: G03G5/06
Filed: 2000-04-11
Abstract: PROBLEM TO BE SOLVED: To provide a method of forming an image and a toner, with which images of high resolution can be obtained. SOLUTION: In the method of forming an image which uses at least a photoreceptor and a toner, the electrophotographic photoreceptor has a photosensitive layer containing oxytitanium phthalocyanine, having the maximum diffraction peak at the Bragg angle (2θ±0.2) 27.3 deg. in X-ray diffraction by CuKα line, and the toner has 3 to 8 μm volume average particle size and 20 mm or lower fluidity index.
Patent JP-2001294118-A (JP)
Title: Vehicular collision determination device
Inventor: EN TAMOTSU
IPC: B60R22/46
Filed: 2000-04-14
Abstract: PROBLEM TO BE SOLVED: To carry out collision determination by properly evaluating a vibration component superimposed on an acceleration signal. SOLUTION: A speed variation calculation part 13 calculates a speed variation V by linearly integrating an acceleration signal G outputted from an acceleration sensor 11. A speed variation determination part 14 determines whether or not the speed variation V is greater than a threshold speed variation VTH. A frequency analysis part 13 decomposes the acceleration signal G into frequency components Gf1 (t)-Gfn (t) for respective frequencies f1-fn. An energy calculation part 17 calculates energies E (f1)-E (fn) based on the frequency components Gf1 (t)-Gfn (t). An energy determination part 18 compares the values of the respective energies E (f1)-E (fn) with those of respective threshold energies ETH (f1)-ETH (fn), or compares the values of integrated energies E (fk-m) for frequencies fk-fm within a predetermined frequency band with those of the threshold energies ETH (fk-m).
Patent JP-2001298974-A (JP)
Title: Manufacturing method of elastic body and elastic body, and oscillatory wave-driving device using elastic body
Inventor: SEKI HIROYUKI
IPC: H01L41/09
Filed: 2000-04-14
Abstract: PROBLEM TO BE SOLVED: To provide the manufacturing method of an elastic body that is used for an oscillatory wave-driving device for easily forming a mark for aligning a piezoelectric element to the elastic body in structure for preventing squealing. SOLUTION: When a disk-shaped elastic body is subjected to sintering forming and the elastic body after the sintering is subjected to sizing treatment to correct deformation, the dynamic stiffness of a specific slit to prevent the chirping from occurring is made nonuniform simultaneously. At the time of the sintering formation or the sizing treatment, a mark for aligning the piezoelectric element that is specified by the position of the dynamic stiffness nonuniform part is formed.
Patent JP-2001293203-A (JP)
Title: Ball extracting device of ball receiving pan in pachinko machine
Inventor: SATO HISAYOSHI
IPC: A63F7/02
Filed: 2000-04-14
Abstract: PROBLEM TO BE SOLVED: To allow a game player to easily operate a ball extracting device, and to surely recognize a ball extracting state. SOLUTION: This ball extracting device of ball receiving pans 7 and 8 in a Pachinko machine for opening a ball extracting hole 13 in a pan part 10 for storing a Pachinko ball and movably having an opening-closing body 18 energized so as t close the ball extracting hole 13, is featured by stopping and holding the ball in a state of opening the ball extracting hole 13 by locking the opening-closing body 18 on a lock member B fitted to a support part 26 by arranging a support part 26 fitted with the lock member B on a visually confirmable outside wall 11 of the ball receiving pans 7 and 8.
Patent JP-2001293054-A (JP)
Title: Composite massager
Inventor: YAMANAKA NORIYUKI
IPC: A61H7/00
Filed: 2000-04-17
Abstract: PROBLEM TO BE SOLVED: To provide a composite massager enabling each of a plurality of clients desiring different stimuli to receiver desired stimulation force. SOLUTION: In the composite massager capable of applying gratuitous treatment to the back of a gratuitous person, air mechanisms 71, wherein air bags 72 are repeatedly expanded and contracted or held to expanded and contracted states by air supply discharge control means and a mechanical massaging mechanism 81, wherein a gratuitous member 82 is driven in a movable manner or driven at a constant position by a drive means, are mounted in the massager at the back position of a client and air massage and stimulation massage can be applied to the back of the gratuitous person arbitrarily at the same time and stimulation massage force can be adjusted by the expanded and contracted states of the air bags.
Patent JP-2001300933-A (JP)
Title: Method for preparing gypsum slurry for molding gypsum board
Inventor: NAKAMURA WATARU
IPC: B28C7/00
Filed: 2000-04-24
Abstract: PROBLEM TO BE SOLVED: To provide a method for preparing a gypsum slurry having a high density of an intended range. SOLUTION: The method for preparing the gypsum slurry for molding a gypsum board comprises the steps of agitating a low-density slurry in a sub- mixer to break foams in the slurry to a high-density slurry, adding foams or a foaming agent to the high-density slurry after or simultaneously upon foam breaking, re-agitating the mixture to make a density of the obtained gypsum slurry higher than that of the gypsum slurry obtained by a main mixer.
Patent JP-2001310744-A (JP)
Title: Steering torque detector in cable type steering device
Inventor: TOYOHIRA ASAYA
IPC: B62D5/04
Filed: 2000-04-27
Abstract: PROBLEM TO BE SOLVED: To surely determine an abnormal condition in a detection part in a steering torque detector in a cable type steering device. SOLUTION: Pressing parts 19a, 19a arranged in the middle of an arm member 19 are brought into contact with magnetostrictive materials 25L, 25R respectively arranged on the inside of a pair of coils 24L, 24R, and a reaction force of outer tubes 6o, 7o of a Bowden cable, to which axial compression force works by steering torque, and an initial load of a Belleville spring 17 are applied to both ends of the arm member 19. Two loads transmitted from the arm member 19 to a pair of magnetostrictive materials 25L, 25R are varied correlatively to each other according to a reaction force inputted from the outer tube when a steering wheel is operated to either of left or right side, and consequently, an abnormal condition can surely be determined by comparing detection values of the two loads with each other.
Patent JP-2001313208-A (JP)
Title: Composite magnetic material, magnetic molding material using the same, compact magnetic powder molding material, magnetic paint, prepreg, and magnetic board
Inventor: TAKATANI MINORU
IPC: H01F1/24
Filed: 2000-04-27
Abstract: PROBLEM TO BE SOLVED: To provide composite magnetic material which is excellent in insulating properties, workability when formed into a product, corrosion resistance, and high-frequency characteristics having a high withstand voltage, magnetic molding material using the same, compact magnetic powder molding material, magnetic paint, prepreg and magnetic board. SOLUTION: Metal particles 1 which are substantially spherical single crystals 0.1 to 10 μm in average grain diameter are all or partially coated with an insulating layer 2, one or more kinds of the coated metal particles are dispersed into resin 10 for the formation of composite magnetic material. Metal particles having excellent permeability or high coercive force are used as the above metal particles. The coated metal particles are formed through a spray thermal decomposition method.
Patent JP-2001313440-A (JP)
Title: Nitride semiconductor light-emitting element
Inventor: YABUKI YOSHIBUMI
IPC: H01L21/205
Filed: 2000-04-27
Abstract: PROBLEM TO BE SOLVED: To realize a longer lifetime by improving a crystallinity of a GaN layer downward of an optical waveguide and serving as a reflection film in a mask layer, to reduce the threshold of light emission of a nitride semiconductor light-emitting element. SOLUTION: The nitride semiconductor light-emitting element comprises nitride semiconductor layers 3, 7 which are crystal grown on a substrate 2, the optical waveguide formed by laminating a plurality of nitride semiconductor films 8 to 14 on the semiconductor layers 3, 7, and the mask layer 4 embedded in the layers 3, 7 under a light-emitting element region, for confining a light of the waveguide and laminating a plurality of dielectric films at crystal growing. The light-emitting element also comprises a nitride film (e.g. a silicon nitride film or a titanium nitride film) 6 of a semiconductor material or a metal on the uppermost layer of the mask layer 4. In this case, the layer 4 contains a reflection film 5 which increases the reflectivity of the mask layer in a layer which is set lower than the nitride film 6.
Patent JP-2001338419-A (JP)
Title: Method of forming magnetized pattern and producing method for magnetic recording medium, magnetic recording medium and magnetic recorder
Inventor: IKEDA YOSHIYUKI
IPC: G11B5/02
Filed: 2000-05-08
Abstract: PROBLEM TO BE SOLVED: To accurately and easily form a high density magnetized pattern in a magnetic recording medium in a short time and to provide a magnetic recording medium enabling high density recording and a magnetic recorder in a short time at a low cost. SOLUTION: The objective method for forming magnetized pattern for a magnetic recording medium with at least one magnetic thin film, a protective layer and a lubricative layer in this order on a substrate includes a step for locally heating the magnetic thin film and a step for applying an external magnetic field to the magnetic thin film. The objective magnetic recording medium has a magnetized pattern formed by the method and the objective magnetic recorder uses the magnetic recording medium.
Patent JP-2001314694-A (JP)
Title: Cover of laundry equipment
Inventor: KOJIMA KENJI
IPC: D06F39/14
Filed: 2000-05-09
Abstract: PROBLEM TO BE SOLVED: To provide a cover of a laundry equipment wherein an appearance is not spoiled, and deterioration of a part subject to mechanical stress can be prevented. SOLUTION: A main body 10 of the cover is composed of a styrene resin (an ABS resin), and a coating layer 11 composed of a polyethylene is provided on the surface of a hinge part 8 subject to mechanical stress. By forming the main body 10 of the cover from the styrene resin having good appearance characteristics, spoiling of the appearance can be prevented. By providing the coating layer 11 composed of the polyethylene less subject to corrosion by an agent such as a detergent or the like so that the coating layer 11 acts as a barrier against the agents, the deterioration of the hinge part 8 can be prevented.
Patent JP-2001317399-A (JP)
Title: Driving controller and driving control method
Inventor: NADA MITSUHIRO
IPC: B60L50/15
Filed: 2000-05-10
Abstract: PROBLEM TO BE SOLVED: To sufficiently ensure safety of a vehicle even if a specific kind of abnormality related to the control of a power generator occurs. SOLUTION: If an abnormality occurs in the vehicle, the control corresponding to a kind of abnormality which occurs when the abnormality is detected is done. The outline of output characteristics of the vehicle when the control corresponding to the type of abnormality when the abnormality is detected is carried out can be expressed as shown in Fig. 3. When the output characteristic of the vehicle at normal time is Fig. 3 (A), the output characteristics of the vehicle such as Fig. 3 (A) to (D) are selected in accordance with types of abnormalities to increase safety when the abnormality occurs. Moreover, if an output limit is strengthened stepwise when the output limit is done, it is possible to suppress continuous running of the vehicle beyond necessity while the abnormality occurs.  Furthermore, if more sufficient running performance is ensured immediately after the abnormality occurs, safety when the abnormality occurs can be improved.
Patent JP-2001327183-A (JP)
Title: Driver of capstan motor and driver of capstan motor for helical scan type magnetic recorder/reproducer
Inventor: MIYAKOSHI TOMOYUKI
IPC: H02P7/06
Filed: 2000-05-11
Abstract: PROBLEM TO BE SOLVED: To easily control a capstan motor so that power consumptions of a motor drive circuit and the motor do not exceed a maximum supply power even when a rotational speed of the motor is changed. SOLUTION: A driver of the capstan motor comprises a calculating means for calculating a limit voltage Vlim of a drive voltage using a linear expression in response to a rotational speed Rx when a rotational speed of the motor is changed from a primary formula, a drive voltage setting means for setting a drive voltage Vn in response to the speed Rx when the speed is changed, a comparing means for comparing the voltage Vlim with the voltage Vn in amplitude when the speed is changed, and a change means for changing a drive voltage Vs in response to the speed Rx when the speed is changed to Vs=lim when a compared result of the comparing means is Vn>Vlim. In this case, when the compared result of the comparing means is Vn<=Vlim, the drive voltage Vs in response to the speed Rx when the speed is changed remains Vs=Vn as it is.
Patent JP-2001321869-A (JP)
Title: Heading machine with heating means built therein
Inventor: JOKO HIROYUKI
IPC: B21J1/06
Filed: 2000-05-12
Abstract: PROBLEM TO BE SOLVED: To heat a work synchronously with the heading operation by incorporating a heating means in a heading machine. SOLUTION: In this heading machine in which dies 11 and 12 mounted on a fixed die holder 13 and punches 31 and 32 mounted on a movable punch holder 33 cooperate with each other to head the work W, the induction heating means 20 to perform the induction heating of the work W is provided on the die holder 13. In the heating means 20, induction heating coils 22 surrounded by a non-magnetic shield conductor 23 are embedded in a die mounting hole 13c.
Patent JP-2001322007-A (JP)
Title: Surface coated cemented carbide cutting tool with excellent wear resistance
Inventor: SATO KAZUNORI
IPC: C23C14/08
Filed: 2000-05-12
Abstract: PROBLEM TO BE SOLVED: To provide a surface coated cemented carbide cutting tool with excellent wear resistance. SOLUTION: In the surface coated cemented carbide cutting tool made by physically depositing a tough coating layer made of one kind of single layer or two kinds of multilayers of a composite nitride layer and a composite carbonitride layer of Ti and Al having average thickness of 0.5 to 15 μm on the surface of a tool substrate made of tungsten carbide group cemented carbide or titanium carbonitride group cermet via an adhesive substrate coating layer of one kind of single layer or two kinds of multilayers of a carbide layer, a nitride layer and a carbonitride layer of Ti having average thickness of 0.1 to 10 μm, an aluminum oxide main body layer made by substituting a part of Al by one kind or not less than two kinds of Ta, V, Nb, W,  Mo and Cr of 5 to 20 atomic percent of the total amount with Al to bring a solid solution is physically deposited as a wear resistant coating layer by average thickness of 0.5 to 15 μm on the surface of the tool in a state that a crystal structure of aluminum oxide is held.
Patent JP-2001325706-A (JP)
Title: Magnetic tape device and magnetic head cleaning method
Inventor: KANEKO SHINJI
IPC: G11B5/41
Filed: 2000-05-16
Abstract: PROBLEM TO BE SOLVED: To provide a cleaning device and a cleaning method, capable of preventing the generation of dusts when a magnetic head is cleaned by pressing a cleaning roller into contact with a rotary drum. SOLUTION: A cleaning roller 6 is held in the state of being inclined by the support shaft 5 of a holder 30, the shaft 5 having an automatic aligning mechanism, the rotation of the cleaning roller 6 is started by bringing its upper end into contact with a rotary drum 2, and then it is pressed into contact with the rotary drum 2. That is, after the starting, contact is further progressed to make the automatic aligning mechanism function, thus the cleaning roller 6 is raised to take a posture parallel to the rotary drum 2, and a magnetic head H is cleaned. Also, the cleaning roller 6, is produced by alternately laminating large and small diameter polishing sheets 11 and 12 made of paper or unwoven cloth.