baber/WOPTO huggingface dataset:
Patent JP-2002079324-A (JP)
Title: Method and apparatus for internal pressure forming hollow metal work
Inventor: KLEINSCHMIDT JUERGEN
IPC: B21D26/043
Filed: 2000-08-21
Abstract: PROBLEM TO BE SOLVED: To form an inner face and an outer face of high quality by means of a slight internal pressure and deforming force as well as a slight constitutional cost. SOLUTION: A hollow metal work 2 with an opened end part 17 is formed by internal pressure in a forming cavity 5 of a tool 1 consisting of many sections. The work 2 is inserted into an open tool 1 heated beforehand, next, closing mandrels 10, 11 are inserted to end parts 17 of the work with a seal function, the tool 1 is closed, next, a heated pressure fluid 14 is introduced into the work 2 hot plasticized through at least one of the closing mandrels 11, a material of the work 2 is pressed into the forming cavity 5 in the tool 1.
Patent JP-2002059371-A (JP)
Title: Oil unit impact tool
Inventor: MASUDA JUNICHI
IPC: B25B21/02
Filed: 2000-08-22
Abstract: PROBLEM TO BE SOLVED: To cool an oil unit even while a driving source for driving the oil unit is stopped, in an oil unit impact tool having the oil unit and a cooling device for cooling the oil unit. SOLUTION: This oil unit impact tool is provided with a motor 11 for driving the oil unit 3, and a second driving source for driving the cooling device 4. The second driving source can be operated independently in relation to the motor 11. Therefore, the cooling device 4 can be operated even if the motor 11 is stopped, and the oil unit 3 can be cooled.
Patent JP-2002069031-A (JP)
Title: Method for manufacturing high-purity pyromellitic acid and high-purity pyromellitic anhydride
Inventor: TANAKA KAZUO
IPC: C07C51/43
Filed: 2000-08-23
Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing high-quality, high-purity pyromellitic acid and high-purity pyromellitic anhydride which are colorless and almost free from byproducts. SOLUTION: High-purity pyromellitic acid is manufactured by dissolving crude pyromellitic acid or crude pyromellitic anhydride in water by heating, treating the resulting solution with activated carbon and subsequently cooling the solution to precipitate crystals followed by filtration. Further, the obtained high-purity pyromellitic acid is converted to its anhydride by heating at 170-260 deg.C to manufacture high-purity pyromellitic anhydride.
Patent JP-2002061382-A (JP)
Title: Floor heat insulating construction method
Inventor: YANAGIHARA MASAKI
IPC: E04F15/18
Filed: 2000-08-23
Abstract: PROBLEM TO BE SOLVED: To provide a floor heat insulating construction method easy to construct without producing a clearance, etc., between a building base material, a heat insulating material and a floor panel to be laid on the upper surfaces of the former two materials by forming the same flat surface in high precision by the building base material and the heat insulating material. SOLUTION: A flexible belt type object 2 is placed on an upper surface of the adjacent building base materials so as to extend in a direction orthogonal with the lengthy direction of the building base materials 3, after starting end part of the flexible belt type object 2 is fixed on the building base material,  the flexible belt type object is fixed on the upper surfaces of the adjacent building base materials on the starting end part by stopping delivering the flexible belt type object where an upper surface of the heat insulating material and an upper surface of the building base material match with each other by delivering the flexible belt type object while fitting the heat insulating material between the building base material and the adjacent building base material by making tensile force work on the flexible belt type object in a fitting process of the heat insulating material 1, and thereafter, the flexible belt type object is fixed on the upper surfaces of the adjacent building base materials where the upper surface of the heat insulating material matches with the upper surface of the building base material by delivering the flexible belt type object while fitting the heat insulating material by making the tensile force work on the flexible belt type object between the adjacent building base materials along the lengthy direction of the flexible belt type object in sequence.
Patent JP-2002069451-A (JP)
Title: Thermal writing liquid crystal optical element utilizing polymer network formed in liquid crystal
Inventor: YO KAI
IPC: G02F1/13
Filed: 2000-08-29
Abstract: PROBLEM TO BE SOLVED: To provide a thermal writing liquid crystal element having stable memory function in a wide temperature range including room temperature, having favorable writing time and contrast after writing without depending on cooling speed, and making fast thermal writing possible. SOLUTION: A liquid crystal compound containing a photopolimerizable monomer, a low molecular weight liquid crystal having positive dielectric anisotropy and a chiral dopant and doped with a photopolimerization initiator and exhibiting a smectic A phase at the room temperature and a chiral nematic phase at higher temperature is injected in a homogeneously alignment-treated cell in an isotropic state, and it is subsequently cooled and photopolimerizable monomers are polimerized to form the liquid crystal material composed of a composite system of a polymer network, the low molecular weight liquid crystal, and the chiral dorpant in a smetic A phase where liquid crystal molecules are homogeneously aligned. A cloudy state is set to be the initial state and information can thermally be written as a transparent state in the cloudy state.
Patent JP-2002070678-A (JP)
Title: Silencer
Inventor: MURAYAMA RIYOUGO
IPC: F02M35/14
Filed: 2000-08-30
Abstract: PROBLEM TO BE SOLVED: To provide a silencer capable of providing a sound silencing effect without reducing the aperture area of an inlet even if it is mounted in an intake passage. SOLUTION: In the intake passage 40 in the upstream of an air cleaner 20, a side branch 10 extending in the axial direction of the passage is mounted on the lower side than the narrowest part 32 of the intake passage 40. The passage cross-sectional area S3 of a position for mounting the side branch 10 is equal to the passage cross-sectional area S1 of the narrowest part 32 or larger than the passage cross-sectional area S1 of the narrowest part 32.
Patent JP-2001033351-A (JP)
Title: Test instrument for optical element package
Inventor: SUGIYAMA YASUHISA
IPC: G01M11/00
Filed: 2000-08-30
Abstract: PROBLEM TO BE SOLVED: To provide a test instrument for an optical element package which enable easy, efficient test operation and can perform high-precision testing, evaluation, or measurement by transmitting a high-frequency signal from a test signal generator as it is to an optical element package to be tested. SOLUTION: A sample support block member 14 has a longitudinal hole having a gap enabling the optical element package 20 to be inserted including an external terminal and a lateral hole 16 extending crossing the longitudinal hole. A contact of a substrate member 32 fitted to an L-shaped arm member 23 which is slidable on a guide member 24 is pressed against the external terminal of the optical element package 20 which is exposed in the lateral hole 16 with the force of a spring 31 and a modulated signal inputted from a high-frequency coaxial cable 38 is supplied to the optical element package 20 to be tested.
Patent JP-2002074835-A (JP)
Title: Digital title data recording method
Inventor: HASEBE TAKUMI
IPC: G11B20/10
Filed: 2000-09-05
Abstract: PROBLEM TO BE SOLVED: To provide a digital data production method/device which can carry on production of a disk without lowering its production efficiency when a digital title data including encipherment key information for protecting the copyright are produced and also to provide a recording medium. SOLUTION: In this recording method/device recording the digital data, a copyright of which should be protected and the digital title data including the encipherment key information data, at least the recording position information in a recoding medium which records the digital title of the encipherment key information data is acquired to record the information to discriminate the recording position information and the title reproduction data. Otherwise, the recording medium records the digital data, the copyright of which should be protected and the digital title data including the encipherment key information data. The recording medium also records at least the information discriminating the recording position information stored in a recoding medium that records the digital title of the encipherment key information data and the title reproduction data.
Patent JP-2002081220-A (JP)
Title: Storage tank building construction method
Inventor: NAKUMO SATORU
IPC: F17C1/00
Filed: 2000-09-06
Abstract: PROBLEM TO BE SOLVED: To provide a storage tank building construction method capable of further shortening working time. SOLUTION: The storage tank building construction method for constructing a storage tank having a side portion and a bottom portion at a predetermined installation position, consisting of cylinders in multiple stages having a predetermined height and a predetermined radius with rising plates tied in a looped manner comprises a cylindrical member preparing step for preparing cylindrical members having the plurality of joined plates rising and ranging to horizontal direction, a cylindrical member moving step for horizontally moving the cylindrical members to a predetermined installation position, a cylinder producing step for producing the cylinders having the predetermined height and the predetermined radius with the cylindrical members tied to one another in an annular form,  a side portion producing step for producing a side portion by joining the cylinders in multiple stages after produced by repeating the cylindrical member preparing step, the cylindrical member moving step and the cylinder producing step in sequence, and a bottom portion producing step for joining the lower end of the side portion to the upper face of a bottom portion of the reservoir.
Patent JP-2002092839-A (JP)
Title: Magnetic recording medium and magnetic recording device provided with the same
Inventor: KIRINO FUMIYOSHI
IPC: G11B5/64
Filed: 2000-09-08
Abstract: PROBLEM TO BE SOLVED: To provide a magnetic recording medium and a magnetic recording device, which improve thermal stability and are suitable for ultra-high-density recording. SOLUTION: A magnetic recording medium 100 is provided with an information recording film 3 and a ferromagnetic film 4 on a substrate 1. The information recording film 3 is composed of non-crystalline ferrimagnetic materials having vertical magnetization. Such materials have high thermal stability since magnetic anisotropy is great and volume change of activation is great as well. Therefore, ultra-high-density recording can be provided. Further, the ferromagnetic film 4 is constituted while using the materials of saturation magnetization greater than the information recording film 3. Leaked magnetic flux from the ferromagnetic film 4 becomes greater than that of the information recording film 3. A great reproduced signal can be provided by reproducing while using a magnetic head for reproducing such as MR head.
Patent JP-2002079969-A (JP)
Title: Storage box structure of motorcycle
Inventor: IZAWA KENJI
IPC: B62J9/00
Filed: 2000-09-08
Abstract: PROBLEM TO BE SOLVED: To store two helmets on the front and the rear in a storage box without increasing the height of a seat. SOLUTION: In this motorcycle 10, the storage box 21 extended in the front- to-back direction of a body is arranged on a rear wheel 18, and the seat 22 is arranged on the storage box 21. A bottom plate 64 of the storage box 21 comprises a forward-descending inclined plane 65 and a backward-descending inclined plane 66 so as to form a roughly dog leg shape from the side viewpoint. The helmets Hf, Hr are loaded respectively on the forward-descending inclined plane 65 and the backward-descending inclined plane 66, to thereby enable to store the two helmets on the front and the rear in the storage box 21.
Patent JP-2002093714-A (JP)
Title: Semiconductor-manufacturing apparatus
Inventor: TANIGUCHI TAKESHI
IPC: C23C16/44
Filed: 2000-09-11
Abstract: PROBLEM TO BE SOLVED: To obtain improved film quality and film thickness uniformity within a substrate surface by eliminating the wastage of power that is consumed by a high-temperature electrical heating element, achieves optimum reaction activity according to a film-formed process. SOLUTION: The high-temperature electrical heating element, composed of a high-temperature yarn stock 29 is composed by a plurality of heat generation systems for controlling power individually, instead of a single heat generation system for controlling power only singly. Therefore, the high-temperature electrical heating element is composed by a plurality of electrical heating element units 28A-28E. Also, a reaction chamber for treating a substrate, by bringing a reaction gas into contact with the electrical heating element unit 28 for decomposition, is suitably divided to form a plurality of regions 23-27. The plurality of electrical heating element units 28A-28E are arranged at the regions 23-27.  The power of each electrical heating element unit 28 is controlled individually or that of a plurality of electrical heating element units 28 is controlled in combination, thus carrying out fine temperature control in an entire reaction chamber 12.
Patent JP-2002052088-A (JP)
Title: Health promoting band
Inventor: MAEKAWA SUMA
IPC: A41F9/00
Filed: 2000-08-08
Abstract: PROBLEM TO BE SOLVED: To provide a health promoting band being structurally simple and manufacturable at low cost, while enabling a magnet or the like for magnetic treatments, used as desired, to be removably mounted in the best-suited position. SOLUTION: The band comprises a longitudinally expansible band body 1 with a hooked fastener 3 attached thereto. The band body 1 comprises right and left strips 2 and 2 each formed by laminating a piled fabric with a rubber sheet, and a reticulate bag 4 formed using a non-expansible material, with the strips and the bag being provided in the form of a narrow strip on which the bag 4 is located at the center. The hooked fastener 3 is secured to the end portion of the rubber sheet and magnets 5 for magnetic treatments, etc., are inserted into the bag 4 as desired.
Patent JP-2002091067-A (JP)
Title: Electrostatic charge image developing toner and method for manufacturing electrostatic charge image developing toner
Inventor: YAMAZAKI HIROSHI
IPC: G03G9/087
Filed: 2000-09-12
Abstract: PROBLEM TO BE SOLVED: To provide a toner having a small particle size which suppresses production of odor during thermal fixing band has excellent fixing property, with respect to toner obtained by a polymerization method. SOLUTION: The electrostatic charge image developing toner is obtained by polymerizing a radical polymerizable monomer composition in the presence of a chain transfer agent consisting of a mono or sesquiterpene compound in a water-based medium to prepare resin particles and then salting out/melting the resin particles in a water-based medium.
Patent JP-2001108579-A (JP)
Title: Method and apparatus for evaluating travel characteristic of automobile
Inventor: SCHOEGGL PETER
IPC: G01M17/007
Filed: 2000-09-13
Abstract: PROBLEM TO BE SOLVED: To provide a simple and reliable method and apparatus for determining the vehicle drivability of an automobile which can be tested on a roller test stand. SOLUTION: In the method and apparatus for evaluating vehicle drivability, a first sensor 5 obtains a rotational speed signal from the drive system of an automobile or from a roller test stand, and a speed sensor senses the longitudinal acceleration of the automobile. Connections with the first sensor and an acceleration sensor are made and signals of the sensors are processed and integrated together to produce an addition signal, from which a parameter representative of the vehicle drivability of the automobile is computed.
Patent JP-2002092831-A (JP)
Title: Heating test device of thin film magnetic head and heating test method thereof
Inventor: OTSU TAKAYOSHI
IPC: G11B5/455
Filed: 2000-09-13
Abstract: PROBLEM TO BE SOLVED: To heat only a thin film magnetic head till a set temperature with high precision without bringing a heating means into contact with the thin film magnetic head and in a short time. SOLUTION: A heating test device of the thin film magnetic head is provided with an arm section 3 for fixing the thin film magnetic head 1 being a testing object, an input device 22 for setting a test temperature Ta of the thin film magnetic head 1, a laser source 4 for emitting laser beams, a focusing member 4a for focusing laser beams from the laser source 4 and emitting the beams to the thin film magnetic head 1, a resistance measuring apparatus 7 for measuring resistance value of the thin film magnetic head 1 and a comparing judging section 20 which compares resistance values of the thin film magnetic head 1 before and after irradiation with the laser beams and has a judging function for performing normal/defective condition decision.
Patent JP-2002085424-A (JP)
Title: Method of forming occlusal surface for dental prosthetic appliance on which offset load does not act
Inventor: SATO YUJI
IPC: A61C5/77
Filed: 2000-09-14
Abstract: PROBLEM TO BE SOLVED: To form the occlusal surface for a dental prosthetic appliance in such a way that at the time of occlusion, offset load does not act on the cervical part of a part to which a dental prosthetic appliance such as an implant denture, crown and inlay is fixed. SOLUTION: A gypsum model is prepared based on the obtained impression of a part to which a dental prosthetic appliance is fixed, a dental prosthetic appliance model 1 is prepared with dental wax, dental ceramic raw materials or dental resin materials after specifying occlusion small face positions a and b for the opposing teeth on the gypsum model, the three-dimensional coordinates and tilt angle of the occlusion small face positions a and b of the dental prosthetic appliance model 1 are measured,  an acting point in cervical face P of a dental prosthetic appliance mounted tooth is determined for a component force perpendicular to the tilt face of the occlusion small face positions of force acting on the occlusion small face positions and the occlusion face of the dental prosthetic appliance is formed by changing the tilt angle in the occlusion small face position a in such a way that the acting point is situated within the cervical part of the tooth or at a part near the cervical part of the tooth when the acting point is out of the cervical part of the tooth.
Patent JP-2002089477-A (JP)
Title: Pressurizing centrifugal pump
Inventor: YONEHARA RYOICHI
IPC: F04D29/28
Filed: 2000-09-18
Abstract: PROBLEM TO BE SOLVED: To provide a pressurizing centrifugal pump with a simple and low-cost structure capable of smoothly feeding a sucked fluid with applying both push-out force by a pressurizing face and centrifugal force by blades, and setting both a flow rate and a flow pressure to desired values. SOLUTION: This pressurizing centrifugal pump sucks the fluid from a suction port 20 and feed the fluid to the outside from a feeding port 21 by turning an impeller 3 inside a drum-like case 2. A partition wall 60 is formed inside the case 2 beside a central part of the impeller 3, and the circumference of the partition wall 60 is formed with a pressurizing chamber 6 comprising a suction chamber 61 promoting the suction of the fluid from the suction port 20 side and a compression chamber 62 pressurizing the sucked fluid by the pressurizing face 65 provided obliquely toward the impeller 3 from a compression start point 65a on the side of a bottom wall 25a. A pressurizing partition wall 63 preventing leakage of the fluid inside a blade chamber 35 is provided close to a side face of the impeller 3, between the suction port 20 and a compression end point 65b of the pressurizing face 65.  The feeding port 21 is opened in length from a vicinity position of the compression start point 65a on the downstream side in a impeller rotation direction to a vicinity position of the compression end point 65b on the downstream side in the impeller rotation direction, while a width of the feeding port 21 is a nearly same width as the impeller 31.
Patent JP-2002093378-A (JP)
Title: Fluorescent lamp and illumination device
Inventor: TAKUBO SHUJI
IPC: H01J65/00
Filed: 2000-09-19
Abstract: PROBLEM TO BE SOLVED: To provide a fluorescent lamp that is improved in luminance distribution in the direction of the lamp axis by improving the terminal plate, and an illumination device using the same. SOLUTION: The fluorescent lamp comprises a pair of electrodes made of outer electrodes 2 of which at least one electrode is installed at the outside of a translucent airtight container 1 so that it may generate discharge in the translucent airtight container 1 filled with a discharge medium mainly composed of a rare gas and on which inner face a fluorescent layer is provided, and terminal plates 3 of which top end is connected with the outer electrodes 2 by being inserted between the outer electrodes 2 and the translucent airtight container 1 and of which base end protrudes to the outside, and of which area overlapping with the outside electrode 2 is 5-20 mm2. As the portion 'g' of the outer electrodes 2 protruding outside around the terminal plates 3 becomes short, the luminous distribution of the tube face is improved.  If the thickness of the portion of the terminal plates 3 overlapping with the outer electrodes 2 is made 0.07-0.20 mm2, the same effect is obtained.
Patent JP-2002094416-A (JP)
Title: Communication apparatus
Inventor: OYAMA TAKU
IPC: H04W4/00
Filed: 2000-09-19
Abstract: PROBLEM TO BE SOLVED: To eliminate the need for separately providing a process and circuit for carrier frequency synchronization from an inter-vehicle communication system, etc., and in addition, to improve the transmission efficiency of the system, etc. SOLUTION: On the transmission side, signals obtained by spreading (7) known data (103) by using a first PN code (110) and signals obtained by spreading (8) information to be transmitted, for example, vehicle information (104) by using a second PN code (111) are added (9) to each other and transmitted (14 and 15). On the reception side, estimated phase rotation information (121A and 121B) is prepared by despreading the first PN code (110) in received base- band signals (119A and 119B) and signals obtained by despreading the second PN code (111), in the received signals are multiplied (23) by predicted phase information.
Patent JP-2002090604-A (JP)
Title: Lens unit
Inventor: SAITO TOMOHIRO
IPC: G02B7/02
Filed: 2000-09-20
Abstract: PROBLEM TO BE SOLVED: To easily and accurately align the optical axes of plural lenses, even when press-fitting and fixing the plural lenses in a lens barrel and to obtain advanced optical characteristics. SOLUTION: Plural projections 3, coming in contact with the inner peripheral surface of the lens barrel 4, are formed on the outer periphery of a lens body 1, and the lens body 1 is force-fitted and fixed inside the lens barrel 4.