baber/WOPTO huggingface dataset:
Patent JP-2001220405-A (JP)
Title: Propylene/olefin random copolymer and method for producing the same
Inventor: UEI TOSHIHIRO
IPC: C08F210/16
Filed: 2000-02-09
Abstract: PROBLEM TO BE SOLVED: To obtain a propylene/olefin random copolymer having a low melting point and a high bulk specific gravity, and excellent in low-temperature heat- sealable properties. SOLUTION: This propylene/olefin random copolymer containing 0.1-30 wt.% olefin is produced by using a catalyst system in order for polymerizing the olefin, comprising a metallocene carrying type catalyst obtained by carrying out the following steps in order, and an organoaluminum compound by a vapor- phase polymerizaiton process: (a) a step for obtaining the metallocene catalyst by reacting an organic transition metal compound having two crosslinked πelectron conjugated ligands with an aluminoxane in an inert solvent to provide the metallocene catalyst;  (b) a step for obtaining a crude metallocene-carrying type catalyst by bringing the resultant metallocene catalyst into contact with an inorganic particulate carrier in the presence of the inert solvent at 85-150 deg.C, and (c) a step for obtaining the objective purified metallocene-carrying type catalyst by washing a slurry containing the crude metallocene-carrying type catalyst at (-50)-50 deg.C with an aliphatic hydrocarbon at least twice to purify the metallocene-carrying type catalyst.
Patent JP-2001219207-A (JP)
Title: Method of manufacturing seamless steel tube
Inventor: AZUMA SHOZO
IPC: B21B19/06
Filed: 2000-02-10
Abstract: PROBLEM TO BE SOLVED: To manufacture a large-diameter/thin-walled size seamless steel tube excellent in the accuracy of thickness. SOLUTION: In a rolling line which is provided with a piercer 2, an inclined rolling mill 3 and a plug mill 4, by changing the conveying direction of a hollow tube stock after piercing, the tube stock is made to bite into the inclined rolling mill 3 from the rear end, elongated and rolling is performed with the plug mill.
Patent JP-2000308360-A (JP)
Title: Soft switching inverter circuit
Inventor: FUMA HIROO
IPC: H02M7/48
Filed: 2000-02-10
Abstract: PROBLEM TO BE SOLVED: To change over a switching element with required degree of flexibility without the need for a middle-point potential. SOLUTION: An arm (a), an arm (b), an arm (c) and an auxiliary arm (f) are connected in parallel with a battery B. Respective middle points of the arms (a), (b), (c) are connected to the middle point of the auxiliary arm (f) via bidirectional switches and a coil. The switching element of every arm is switched over in such a way that the medium-point potential of each arm is switched over to a battery voltage from a ground level. After that, the switching element of the auxiliary arm is switched over, in such a way that the middle- point potential of the auxiliary arm is switched over to the ground level from the battery voltage. The auxiliary arm is changed over in such a way that a coil current is regenerated and after that, when the coil current becomes zero, the bidirectional switches are switched, and this soft switching inverter circuit is switched.
Patent JP-2001189048-A (JP)
Title: Recorder
Inventor: MIYAZAKI YOSHIAKI
IPC: G11B19/04
Filed: 2000-02-15
Abstract: PROBLEM TO BE SOLVED: To prevent a double copy when a CD is copied to an HDD. SOLUTION: A control table is provided. The data of the TOC of the CD with the digital audio data written in the HDD 24 are written in the control table. When the CD 10 is reproduced by a CD drive device 21, and the digital audio data are written in the HDD 24, the control table is retrieved by the data of the TOC of the CD 10. When as the retrieval result, the data of the TOC of the CD 10 don't exist in the control table, the write-in to the HDD 24 is permitted. When as the retrieval result, the data of the TOC of the CD 10 exist in the control table, the write-in is prohibited.
Patent JP-2001224222-A (JP)
Title: Lift-up type loading platform structure for tea ridge stride-traveling type tea plucking device
Inventor: SUGIMOTO TORAO
IPC: A01D46/04
Filed: 2000-02-15
Abstract: PROBLEM TO BE SOLVED: To provide the subject loading platform structure representing an overhang loading platform designed to retreat from a projected mode to retracted mode in order to, for example, avoid an obstacle even if loaded with tea bags as truckload, lessen the vertically loading/unloading work for tea bags to a minimum and thus diminish working burden as a whole. SOLUTION: This loading platform structure has such a scheme that the frame 20 of a traveling machine unit 2 to travel astride a tea ridge A with a tea plucking machine unit 3 is equipped with cutting blades 30 so as to face on the top surface of the tea ridge A to make a tea reaping operation is equipped with an overhang loading platform 11 to be loaded with tea bags 5 packed with reaped tea leaves so as to overhang from above the frame 20 both sideways of the traveling machine unit 2, wherein the overhang loading platform 11 is designed to run to a retracted mode with the sideward overhang obviated through rising movement toward the center of the machine frame while maintaining loading action and to a lift-mode as a result of its upward movement.
Patent JP-2001228803-A (JP)
Title: Display optical system and display device using the same
Inventor: SHIRAISHI MIKIO
IPC: G09F9/00
Filed: 2000-02-14
Abstract: PROBLEM TO BE SOLVED: To obtain an optimum structure for making a blowing means small is size which realizes a quiet design related to cooling of a liquid crystal panel and a light source lamp and preventing dust on the image forming screen of the liquid crystal panel to make a liquid crystal projector small in size. SOLUTION: The area from the liquid crystal panel or surrounding region of the liquid crystal panel to an optical means/polarizing means or a polarization converting device is cooled by using a plurality of small-size blowing means with superior quiet property and using air passages having small apertures matching the blowing means. The device is provided with a plurality of air passages from the liquid crystal panel side, where the temperature to be controlled is low to the light source side where the temperature to be controlled is high, so that a plurality of objects to be cooled can be cooled by a single cooling means.
Patent JP-2001227079-A (JP)
Title: Expandable joint material
Inventor: ONOZUKA MASAHIRO
IPC: E04F15/14
Filed: 2000-02-21
Abstract: PROBLEM TO BE SOLVED: To prevent any breakage or detachment of a cap even when a large expansion/contraction force is applied to the concrete. SOLUTION: In an expandable joint 1 with a cap member 3 attached to an upper end of a core 2, a hard portion 21 and a soft portion 22 are overlapped with each other to integrally form the cores 2.
Patent JP-2001232719-A (JP)
Title: Composite laminate and method of manufacturing the same
Inventor: YOSHIGA NORIO
IPC: B32B27/36
Filed: 2000-02-21
Abstract: PROBLEM TO BE SOLVED: To obtain a composite laminate good in workability when a sheetlike article of lumber from thinning is laminated, prevented from warpage, low in liquid permeability and friendly to emvironment. SOLUTION: A film comprising a biodegradable resin is interposed between layers comprising a sheetlike woody material to mutually bond these layers.
Patent JP-2000208413-A (JP)
Title: Developing device and developing treatment method
Inventor: INADA HIROICHI
IPC: B05C5/00
Filed: 2000-02-21
Abstract: PROBLEM TO BE SOLVED: To protect a substrate to be treated and to improve the quality of developing process by softening the impact of the developing solution to be fed from a nozzle to the surface of the substrate to be treated. SOLUTION: The direction of arrangement of discharge holes 80(1), 80(2),...80(n) of a developing nozzle 70 is in the angle somewhat inclined obliquely, not horizontal, against a horizontal nozzle arm 76. When a developing treatment is performed, the horizontal nozzle arm 76 moves vertically in horizontal direction (arrow F direction), and the horizontal nozzle arm 76 carries a developing nozzle 70 from a nozzle standby part 78 to the position located above a semiconductor wafer W.  While the prescribed flow rate of a developing solution is being discharged from the developing solution feeding nozzle 70, the horizontal nozzle arm 76 is moved to the direction of arrow F at a suitable scanning speed, and the horizontal nozzle arm 76 is moved to the prescribed position located above the canter part of the prescribed position located above the center part of the semiconductor wafer W from the discharge starting position. In this movement to the set position, the developing solution feeding nozzle 70 is scanned on the semiconductor wafer W while the developing solution is being discharged at the stabilized discharge speed from each discharge holes 80(1), 80(2),...80(n).
Patent JP-2001235708-A (JP)
Title: Stereoscopic image reproducing device with background
Inventor: KOBAYASHI TETSUO
IPC: G02B30/20
Filed: 2000-02-22
Abstract: PROBLEM TO BE SOLVED: To reproduce a very bright background picture having many pixels and a large angle of view, a stereoscopic image jumped out of the background picture or a back stereoscopic image by high S/N, and to realize a so-called jumping out display, jumping out advertising display and wall hanging show window, by using many portions, namely, the backstage, as a background except the stereoscopic image reproduction light generating part of a filter, and making unnecessary scattered light buried in the background. SOLUTION: The stereoscopic image reproducing device with a background has a white point light source array 1 and a color transmissive space distributed filter 2 having a function of spatial weighting of luminous intensity and a color. By the color transmissive space distributed filter 2 with the function for performing the spatial weighting of light from the white point light source array 1 and a color, a light group is generated showing as if a three-dimensional color object exists really and it is a color scattered light beam from the object.  The color and the intensity of the light is weighted with respect to the portion except the transmission part for reproducing the light for the three-dimensional object of the color transmissive space distributed filter 2 so that an image which serves as the background of the three-dimensional object may be in sight near the white point light source array 1 or the filter part.
Patent JP-2001236952-A (JP)
Title: Negative electrode plate for lead battery
Inventor: HASEGAWA KEIICHI
IPC: H01M4/14
Filed: 2000-02-22
Abstract: PROBLEM TO BE SOLVED: To provide a negative electrode plate for a lead battery with oxidation of negative electrode active material under control at low cost. SOLUTION: A negative electrode plate for a lead battery has a water-soluble polymer compound layer formed on its surface. The layer preferably contains at least one of polysaccharide thickener, polyvinyl alcohol, gelatin, and lignin as a water-soluble polymer compound.
Patent JP-2001237651-A (JP)
Title: Power amplifier
Inventor: YOSHIKAWA TSUTOMU
IPC: H03F1/32
Filed: 2000-02-22
Abstract: PROBLEM TO BE SOLVED: To prevent a considerable difference between the operating states of two transistor power amplifier circuits by preventing the mutual modulation distortion in a combined output signal from getting worse even when the transmitting frequency is changed. SOLUTION: A level control part 5 has a memory previously storing a critical output level, with which the mutual modulation distortion of power amplifiers 2a and 2b becomes an allowable limit, and the combined characteristics of two signals to be combined with a minimum loss by a power combination circuit 4. Then, output levels La and Lb of power amplifiers 2a and 2b respectively detected by output level detectors 3a and 3b are respectively received and compared, the optimal output level of a transmitting frequency to be used is set while referring to the memory and attenuation is controlled by respectively applying a control voltage to variable attenuators 21a and 21b of the power amplifiers 2a and 2b.
Patent JP-2001235514-A (JP)
Title: Using method of electric check jig, check pin and electric checker
Inventor: SAKURAI JUNYA
IPC: G01R31/28
Filed: 2000-02-22
Abstract: PROBLEM TO BE SOLVED: To provide a using method of an electric check jig, a check pin an electric checker capable of shortening the time of delivery for manufacturing, reducing a manufacturing cost, miniaturizing and thinning relative to the electric check jig, and improving a loss for switching the production kind. SOLUTION: The check pin projected on the electric checker 30 has a constitution equipped with a rod-shaped pin body comprising a shape memory alloy, a covering member for covering the pin body, a compression spring installed on one end, and an abutting part formed on the other end, and is inserted into a through hole of the electric check jig 20, to be brought into electrical contact with a pad 42. The electric check jig 20 is dismounted and the check pin 10 is heated, to thereby restore the former shape of the check pin 10.
Patent JP-2001234991-A (JP)
Title: Automatic tensioner
Inventor: IZUTSU TOMOYOSHI
IPC: F16H7/12
Filed: 2000-02-23
Abstract: PROBLEM TO BE SOLVED: To eliminate dust from entering into an engine inside through pin insertion holes left open after detaching a set pin in an automatic tensioner forcedly pushing a push rod energized in a projecting direction by a tension adjustment spring, inserting the set pin from a cylinder outside, and setting a device in an initial state. SOLUTION: An elastic ring 23 is installed in a position closing the insertion holes 21 and 21 of the set pin 24 installed in the outer circumferential face of the cylinder 1, the set pin 24 is inserted by partially deforming the elastic ring 23 in setting, and the elastic ring 23 is made to return to its normal state after drawing out the set pin 24 by its elastic force so that the insertion holes 21 are tightly closed by the elastic ring 23.
Patent JP-2001237201-A (JP)
Title: Recycling method of silicon wafer
Inventor: KANDA SHINJI
IPC: B24B37/04
Filed: 2000-02-23
Abstract: PROBLEM TO BE SOLVED: To shorten a polishing time required for a silicon wafer to lessen the recycling cost of a silicon wafer so as to make a silicone wafer recycling cost much lower than a new silicon wafer cost, where a cost difference between a silicon wafer recycling cost and a new silicon wafer cost gets smaller recently because a polishing device is increased in cost with an increase in its size as a silicon wafer gets larger in size. SOLUTION: A mixed fluid of particles of alumina or silicon carbide 20 μm to 5 μm in average diameter and the compressed air is utilized as abrasive materials and made to blow against a silicon wafer by the use of a sand blast 1, by which a thin film formed on a silicon wafer through a CVD(chemical vapor deposition) method or a PVD(physical vapor deposition) method is removed off from the silicon wafer, and then the silicon wafer is polished.
Patent JP-2000331030-A (JP)
Title: Information retrieval system related to person like music artist or talent and computer readable medium with information data base recorded
Inventor: KOIKE SATOYUKI
IPC: G06Q50/00
Filed: 2000-02-21
Abstract: PROBLEM TO BE SOLVED: To obtain a system which retrieves sensibility information about a person like an artist on a network or the like using a computer terminal. SOLUTION: This system is provided with an information data base 301 where identification information of persons such as artists or talents and objective information selected by sensibilities of pertinent persons are stored in relation to each other, a means 302 which accepts input of only identification information of a person, a means 302 which uses identification information of the person as a retrieval key to retrieve objective information selected by the sensibility of the pertinent person from the information data base 301, and a means 303 which outputs retrieved objective information.
Patent JP-2001236867-A (JP)
Title: Vacuum valve
Inventor: KOYAMA KENICHI
IPC: H01H33/66
Filed: 2000-02-25
Abstract: PROBLEM TO BE SOLVED: To provide a vacuum valve that can restrain the adhesion of metallic vapor and metallic splashes from an arc area onto the inside of an insulation container and can restrain reduction of creepage withstand voltage inside the insulation container. SOLUTION: For obtaining above effect, folds are made on the surface of a conductor and/or the surface in an arc shield and/or the electrode-side surface of a bellows cover.
Patent JP-2000189615-A (JP)
Title: Game machine
Inventor: UGAWA SHOHACHI
IPC: A63F7/02
Filed: 2000-02-28
Abstract: PROBLEM TO BE SOLVED: To raise the excitement of a player by setting the combination effective sequences of variable display parts arranged in matrix to line directional effective sequences and column directional effective sequences, and extending and displaying, when a reach state is generated on any combination effective sequence, the discrimination information on this combination effective sequence. SOLUTION: The scene of a boxing game with 12 round as one game, for example, is displayed on a variable display part 50, and a partner boxer corresponding to a player confronts the enemy boxer. When a shot ball gets in a starting port, first - fourth patterns 52A-52D consisting of combinations of a plurality of characters or patterns, a round number 51, and a character (boxer and its background) 53 are displayed. When all displays of the patterns 52A-52C come to big hit patterns in any round, a so-called reach state is started, and when the display of the fourth pattern 52D comes to a hit pattern 'KO', the state where the enemy boxer is fallen is displayed, and a big hit state is generated.
Patent JP-2001242753-A (JP)
Title: Image forming system, image forming device and method for issuing receipt of utility rate of image forming device
Inventor: KAWAI ATSUSHI
IPC: G06Q30/06
Filed: 2000-02-28
Abstract: PROBLEM TO BE SOLVED: To provide an image forming system, an image forming device and a method for issuing the receipt by which the utility rate of an image forming device can be issued quickly and securely to a user desiring the receipt of the utility rate of the image forming device, while saving the resource. SOLUTION: The image forming device 1 and a terminal 30 capable of money handling to be operated by an attendant are connected so as to enable communication. The image forming device 1 sets an identification number to an image forming operation instructed by the user, adds identification number information showing the identification number on a print outputted by the image forming operation, and then transmits information showing the identification number and the utility rate of the image forming device corresponding to the identification number to the terminal 30. The terminal 30 outputs a receipt on which the utility rate corresponding to the identification number is printed on the basis of the information from the image forming device 1, when the identification number is inputted by the terminal.
Patent JP-2001239402-A (JP)
Title: Cutting tool mounting structure of inner surface bead cut tool
Inventor: TARUMI KAZUMASA
IPC: B23B27/00
Filed: 2000-02-29
Abstract: PROBLEM TO BE SOLVED: To cut an inner bead under a stable condition by strongly fixing a ring-like cutting tool 4 to a cutting tool holder 9 of an inner-surface bead cut tool 1 for a welded pipe. SOLUTION: The cutting tool holder 9 is, adjustably in height, connected to the end of the downstream of a long-sized rod 2 inserted into the welded pipe P during manufacturing from above part of a welding position, and the ring-like cutting tool 4 is fixed to the cutting tool holder 9 using a cutting tool fixing auxiliary tool 10. A contact piece 12 is projected from a body 11 of the cutting tool fixing auxiliary tool 10 to the ring-like cutting tool 4 side, and provided with a reverse conical side surface 13 with radius shorter than that of a cylindrical part of the ring-like cutting tool 4. When the auxiliary tool body 11 is positioned in a storing recessed part 9d of the cutting tool holder 9 and a fixing bolt 18 is screwed, the contact piece 12 is pressed onto an angled surface 4b of the ring-like cutting tool 4 with rotation moment about a seating part 14, and the ring-like cutting tool 4 is fixed strongly.
Patent JP-2001239588-A (JP)
Title: Molded article having spongy member and method of manufacturing the molded article
Inventor: UCHIYAMA YASUSHI
IPC: B29C65/08
Filed: 2000-03-01
Abstract: PROBLEM TO BE SOLVED: To provide a molded article having a spongy member for which neither an adhesive nor a component for fixing is used. SOLUTION: A thermoplastic resin member 1 in a prescribed shape and a flexible foamed member 5 constituted of a material different in the kind from the member 1 are brought into contact with each other. A welding horn 10 of an ultrasonic welding machine is brought into pressure contact with the surface of the flexible foamed member 5 and a part of the thermoplastic resin member 1 is melted by ultrasonic vibrations. The resin thus melted is infiltrated into the flexible foamed member 5 and hardened.
Patent JP-2001238663-A (JP)
Title: Method for culturing cell or tissue and apparatus therefor
Inventor: TAKAGI TAKAO
IPC: C12R1/91
Filed: 2000-03-02
Abstract: PROBLEM TO BE SOLVED: To provide a method for culturing a cell or a tissue preventing a pollution and achieving an efficient culture in vitro and an apparatus therefor. SOLUTION: The efficient culture in vitro of the cell or the tissue is achieved while preventing the pollution by installing a culturing position (a culturing chamber 20) under an optionally controlled environment such as an environment imitating organisms, supplying a culture solution 3 to the culturing position while keeping the cell 5 or the tissue and culturing the cell 5 or the tissue at the culturing position which is under the ideal environment.
Patent JP-2001205072-A (JP)
Title: Peep window with scraper device
Inventor: TANIGUCHI TORU
IPC: B01J3/04
Filed: 2000-01-26
Abstract: PROBLEM TO BE SOLVED: To provide a peep window with a scraper device to be fitted to a tank for a manufacturing installation mainly in the fields of medicines, cosmetics, chemicals, foods and the like, and to be used. SOLUTION: This peep window with a scraper device is of such a construction that a shaft (2) sealed with O-rings (9A), (9B) is incorporated in a sealed case (4) and a blade mounting plate (14) and a blade (15) are fitted to the bottom end part of the shaft (2). Thus, it is possible to stably scrape the inner face of the peep window (11) by turning a knob (1).
Patent JP-2000290442-A (JP)
Title: Flame-retardant polyolefin resin composition
Inventor: KOBAYASHI YUTAKA
IPC: C09K21/02
Filed: 2000-03-08
Abstract: PROBLEM TO BE SOLVED: To obtain the subject composition containing neither halogen nor phosphorus, excellent in extrusion moldability while maintaining its high flame retardancy, hard to be discolored in the compounding and extrusion processing therefor, and excellent in resistance to whitening. SOLUTION: This composition is obtained by compounding a polyolefin resin blend comprising (A-1) a straight-chain low-density polyethylene prepared by copolymerization between ethylene and an α-olefin and (A-2) at least one copolymer selected from the group consisting of ethylene-vinyl acetate copolymers, ethylene-ethyl acrylate copolymers and ethylene-methyl acrylate copolymers with (B-1) a metal hydrate and (C) a polysiloxane; wherein the component B-1 to be used is magnesium hydroxide 1.0-7.0 μm in average particle size (D50) afforded from, as raw material, brucite ore 85-95 wt.% in Mg(OH)2 content. Compounding the above resin composition with (B-2) an inorganic filler is also effective.