baber/WOPTO huggingface dataset:
Patent JP-2002346663-A (JP)
Title: Method for manufacturing press die
Inventor: TAMASAKI NORIAKI
IPC: B21D37/20
Filed: 2001-05-17
Abstract: PROBLEM TO BE SOLVED: To easily manufacture a die at lower cost by eliminating labor and skill needed in conventional manufacture of a simplified die such as manufacturing process of a gypsum mold, a sheet wax sticking process, thereafter an adjusting process of a gap, otherwise. SOLUTION: The periphery 12 of a drawn panel 10 is cut. A model shape panel 15 is manufactured such that a holding part 14 necessary for press-forming is provided around a finished-panel-corresponding part 11, and a high strength concrete is poured into one side thereof to provide a female die 22. After the inversion thereof, a concrete is poured in to the other side of the model shape panel 15 to form a male die 30 on the finished-panel-corresponding part. At the same time, each blank holder 34 is separately formed on the holding part.
Patent JP-2002341504-A (JP)
Title: Photosensitive material processor
Inventor: HYODO TOMOYOSHI
IPC: G03D3/00
Filed: 2001-05-17
Abstract: PROBLEM TO BE SOLVED: To provide a photosensitive material processor which suppresses the situation that dust floats up in processing liquid inside a processing liquid tank main body, is attached to the photosensitive material and leaves flaws and which maintains the stable processing performance of forming images without the flaws on the photosensitive material. SOLUTION: A filter 40 is arranged inside an auxiliary chamber 38 formed at the bottom of a processing liquid tank main body 32 and the outer side face of the filter 40 and the inner side face of the auxiliary chamber 38 are separated by 5 mm or more. Then, processing liquid purified through the filter is taken out from the lower layer part of the processing liquid stored in the processing liquid tank main body 32 and fed to the upper layer part of the processing liquid in the processing liquid tank main body 32 through a processing liquid circulation pipeline 30. The processing liquid stored in the processing liquid tank main body 32 is made to flow from the upper layer part to the lower layer part.  The dust in the processing liquid is put on the flows of the processing liquid, made to descend by gravity and caught by the filter 40 to prevent the dust from being stuck to the photosensitive material.
Patent JP-2002346866-A (JP)
Title: Composite machining device
Inventor: SASAKI HISAO
IPC: B23P23/02
Filed: 2001-05-18
Abstract: PROBLEM TO BE SOLVED: To provide a composite machining device which stably carries out attaching and detaching operation by a clamp mechanism which attaches and detaches a tool mounting shaft such as a reamer situated in the central part of a tool holder and a tool feeding shaft such as a reamer situated on a main spindle side and allows swift and reliable tool holder change operation. SOLUTION: A holding cylinder 53 is formed at the base end of a reamer mounting shaft 32 supported on the tool holder side. The second clamp ball 55 is accommodated in a fitting hole 54 provided to the holding cylinder 53. A engaging recess 56 with which the second clamp ball 55 can be engaged is provided to the outer peripheral surface of the tip of a stepped cylinder 52 formed on the tip of reamer feeding shaft 33 supported on the main spindle side. A movable sleeve 57 reciprocated in the axial direction of the main spindle is fitted on the outer periphery side of the holding cylinder 53.  A linear protrusion 57a formed on the inner peripheral surface of the movable sleeve is biased with a spring 59 forward, namely to the clamp position in which the second clamp ball 55 engaged with the engaging recess 56 is pressed, is thrust on the inner side of the movable sleeve 57 and the second clamping ball 55 is maintained.
Patent JP-2002344013-A (JP)
Title: Semiconductor light-emitting device
Inventor: MARUYAMA TAKESHI
IPC: H01L21/205
Filed: 2001-05-21
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor light-emitting device, suitable for the emission of lights in an infrared wavelength region, where the light reception sensitivity of a photodiode using silicon is high capable of improving the cutoff frequency, without generating the deterioration of the emitted light output. SOLUTION: A light-emitting laminated structure is arranged on a supporting substrate constituted of first semiconductor materials. This light-emitting laminated structure is constituted of a quantum well layer of second semiconductor materials, a pair of carrier closed layers constituted of third semiconductor materials whose band gap is larger than that of the second semiconductor materials with the quantum well layer being interposed, and a pair of clad layers constituted of fourth semiconductor materials, whose band gap is larger than that of third semiconductor materials with the quantum well layers and the pair of carrier closed layers interposed.  In this case, the third semiconductor materials and the thickness of the quantum well layer are selected, so that the difference between the energy level of the lower part of the conductive band of the carrier closed layer and the base level of electrons in the quantum well layer can be set, so that is not less than 100 meV.
Patent JP-2002052842-A (JP)
Title: Heat sensitive recording material
Inventor: YAMADA HIROSHI
IPC: B41M5/28
Filed: 2001-05-22
Abstract: PROBLEM TO BE SOLVED: To provide a heat sensitive recording material excellent in coloring and heat resistance. SOLUTION: In the heat sensitive recording material, which is produced by providing a heat sensitive color developing layer mainly made of a leuco dye and a developer on a support, the heat sensitive color developing layer includes either one developer among ones represented by constitutional formulae (1), (2) and (3) and a sensitizer represented by constitutional formula (4).
Patent JP-2002348561-A (JP)
Title: Wet friction material
Inventor: TOYAMA MAMORU
IPC: C08K3/00
Filed: 2001-05-23
Abstract: PROBLEM TO BE SOLVED: To propose a wet friction material having high frictional characteristics and high heat resistance, a high porosity and a high strength. SOLUTION: This wet friction material is obtained by impregnating a papery substrate prepared by wet forming a sheet from substrate fibers containing alumina fibers and a binder for fixing the mutual substrate fibers with a filler for reinforcing frictional strength and curing the resultant impregnated substrate and is characterized in that the content of the alumina fibers is 10-60 wt.% when the whole wet friction material is 100 wt.%.
Patent JP-2002347823-A (JP)
Title: Lid sealing structure
Inventor: FUJITA TAKEO
IPC: B65D90/62
Filed: 2001-05-24
Abstract: PROBLEM TO BE SOLVED: To provide a sealing structure for a lid, which ensures airtightness of a container, is easily to open or close the lid in a short time, and prevents without fail a foreign substance from entering via a packing. SOLUTION: In the sealing structure 10 of the lid that hermetically seals a container 70 filled with a powdery or granular substance and an inactive gas that is used to prevent the powdery or granular substance from rupturing the container 70, a first packing 29 is interposed between the opening 14 of the container 70 and lid 15 that covers the opening 14. Specifically, the first packing 29 is disposed on one side of the lid, which one side touches the powdery or granular substance. The packing 29 is sticky and strong in order to prevent the powdery or granular substance from leaking. A second packing 28, which is elastic and sealable, is disposed on the outside of the first packing 29. This prevents a leakage of powdery or granular substance form the second packing 28 from being mixed into the powdery or granular substance via the first packing 29.
Patent JP-2002349543-A (JP)
Title: Ball joint
Inventor: HAMAGUCHI YASUNORI
IPC: F16C11/06
Filed: 2001-05-25
Abstract: PROBLEM TO BE SOLVED: To provide a ball joint formed that a part is disposed in a prescribed position. SOLUTION: In the ball joint provided with a ball stud having a spherical ball head part and a handle part extending from the ball head part; a bearing to hold in a wrapping state the ball head part of the ball stud and a peripheral flange part formed on an outer peripheral surface; and a housing to hold the bearing, the flange part of the bearing has an air escape part being axially communicated.
Patent JP-2002346718-A (JP)
Title: Die casting device
Inventor: TSURUTA KAZUMI
IPC: B22D17/22
Filed: 2001-05-28
Abstract: PROBLEM TO BE SOLVED: To provide a die casting device using a vacuum die casting method in which the inside of a die cavity can be highly evacuated. SOLUTION: The die casting device, for forming a die cast product by evacuating the cavity formed between a pair of dies and injecting and filling the molten metal in the cavity, comprises an extrusion pin 42 which is inserted in an insertion hole 3k communication with the cavity C formed in the dies 3 so as to extrude a stock formed in the cavity C, resin seal members 170 and 171 which are fitted to an outer circumference of the extrusion pin 42 to seal a space between the extrusion pin 42 and the insertion hole 3k and to prevent the flow of air into the evacuated cavity C,  and an extrusion pin cooling mechanism part 161 which forcibly cools a part in the vicinity of the fitting position of the seal members 170 and 171 of the extrusion pin 42 heated by the contact with the stock by lubricating oil 300 and which lubricates a space between the extrusion pin 42 and the seal members 170 and 171 by the lubricating oil 300.
Patent JP-2002351229-A (JP)
Title: Image forming apparatus using transfer belt
Inventor: NAKANE YOSHIMITSU
IPC: G03G15/01
Filed: 2001-05-29
Abstract: PROBLEM TO BE SOLVED: To provide an image forming apparatus where a transfer belt is always stably driven and an image of high quality without any image deterioration can be formed. SOLUTION: In the image forming apparatus where an image forming station is installed in the direction of progress of the transfer belt (endless belt) 100 hung across a multiple number of rolls and forming a toner image by either directly or indirectly transferring a toner image formed on an image carrier of an image forming station the transfer belt 100, at least a pair of flange parts (restricting members) 101a restricting the meandering of the transfer belt 100 by being abutted to edge surfaces of the transfer belt 100 is formed on both sides of the transfer belt 100.  Then, a driving means and a drive transmitting means to move at least 1 supporting roll (control roll) 101 of the multiple number of rolls in the direction so that the degree of being parallel to the other rolls is disrupted and control is carried out so that both the edge surfaces of the transfer belt 100 is brought into contact with the flange parts 101a for approximately the same length of time.
Patent JP-2002350902-A (JP)
Title: Liquid crystal display device
Inventor: KAWASHIMA HIDEYA
IPC: G02F1/1368
Filed: 2001-05-29
Abstract: PROBLEM TO BE SOLVED: To solve the problem that the transition operation of a liquid crystal display device having an OCB(optically compensated birefringence) mode cannot be reliably carried out. SOLUTION: In this liquid crystal display device, it is made possible to apply a transverse electric field equal to or higher than a threshold required for the complete transition of the alignment of liquid crystal molecules of the OCB mode being on a pixel electrode from spray alignment to bend alignment by forming a wiring with an electrically conductive film identical to or different from that of a pixel electrode which is electrically separated from an active element and the pixel electrode on a layer identical to or different from the pixel electrode existing between adjacent pixel electrodes.
Patent JP-2002354388-A (JP)
Title: Video recording system
Inventor: OKAMOTO NAOKO
IPC: H04Q9/00
Filed: 2001-05-29
Abstract: PROBLEM TO BE SOLVED: To provide a video recording system, for confirming the situation of a video recording device easily connected to the Internet at a remote place and then remotely operating this video recording device, and continuingly recording in another medium. SOLUTION: This video recording system is provided with a video recording device A9 and a video recording operating device 1 connected to the internet 4, the video recording device A9 is provided with a recording medium A10, and the video recording operating device 1 is provided with an operating 3 for remotely operating the video recording device A9 and a state-confirming means 2 for confirming the recording state of the recording medium A10. Thus, it is possible to perform recording, by confirming the recording state of the recording medium A10 at a remote place, and then remotely operating the video recording device.
Patent JP-2002354852-A (JP)
Title: Ultrasonic motor
Inventor: YOSHINAGA HIROKI
IPC: H01L41/09
Filed: 2001-05-29
Abstract: PROBLEM TO BE SOLVED: To provide an ultrasonic motor wherein vibration in a coned disc spring can be reduced and produced fluttering sound can be reduced. SOLUTION: The ultrasonic motor 1 is provided with a stator 10 which is vibrated by a piezoelectric element 12 and a rotor 16 which receives vibration of the stator 10 and is rotated. A rotating shaft 6 which is integrally rotated is fixed in the rotor 16, and a plate 19 is installed on the rotating shaft 6 so that the plate 19 is prevented from moving upward from a specified position. The cone disc spring 18 which applies pressure to the rotor 16 toward the stator 10 and has substantially V-shaped cross sections throughout the periphery thereof is abutted against the plate 19. A plurality of projections 26 which protrude downward and are positioned on the same circle are formed at the radial outer portion of the lower face 19a of the disc portion of the plate 19.  The projections 26 are formed with unequal pitches so that the lengths thereof in the circumferential direction are not uniform and one projection is present at least every 120 deg. on the circumference of the plate 19. The lower face of each of the projections 26 is a contact face 27 in contact with the coned disc spring 18 and each of the contact faces 27 are formed on the same plane.
Patent JP-2002351140-A (JP)
Title: Method for manufacturing electrostatic charge image developing toner and method for forming image by using the toner
Inventor: TAKAYANAGI HITOSHI
IPC: G03G15/20
Filed: 2001-05-29
Abstract: PROBLEM TO BE SOLVED: To provide a new method for manufacturing a chemical toner having no emulsification loss, high yield and sharp distribution of the grain size and using a polyester resin as a binder resin and to provide a new method for manufacturing without using an organic solvent so as to eliminate the residual volatile content in the toner. SOLUTION: In the method for manufacturing an electrostatic charge image developing toner, the toner source material containing at least a polyester resin is fused by heating to produce a fused material of the toner source material, then the fused material is emulsified in a water-based medium to form resin fine particles, then the resin fine particles are aggregated and bonded by fusing to produce an associated material of the resin fine particles.
Patent JP-2002357745-A (JP)
Title: Optical module
Inventor: MASUDA YUJI
IPC: G02B6/42
Filed: 2001-05-31
Abstract: PROBLEM TO BE SOLVED: To provide a highly versatile surface mounting type optical reception module which condenses light emitted from an optical fiber with a simple structure, gives a highly efficient optical coupling even when the diameter of a light receiving part is small like a light receiving element of high speed response. SOLUTION: In the optical module M1, the optical fiber is disposed in a groove 11 formed on a substrate 1, the light receiving element 2 which receives light emitted from the optical fiber 3 is disposed on the substrate 1 to cover the tip part of the groove 11. The module M is characterized in that the tip part of the groove 11 is formed into a reflection face 12 which is inclined by 43 deg. to 47 deg. with respect to the emitting optical axis 3b of the optical fiber 3, and the tip part of the optical fiber 3 is formed to generate a condensing effect.
Patent JP-2002357379-A (JP)
Title: Dewatering method of grain ice and apparatus therefor
Inventor: NAKAYAMA TETSUO
IPC: C02F1/22
Filed: 2001-05-31
Abstract: PROBLEM TO BE SOLVED: To provide a dewatering method of grain ice and an apparatus therefor which enable more efficient execution of dewatering for separating and removing a solution from an ice slurry formed of the grain ice and the solution, attainment of the grain ice being durable and consequent efficient handling thereof. SOLUTION: The apparatus is provided in a vertical upright shape by a first jacket structure 20 forming a coarse accumulation chamber 13, a second jacket structure 21 provided in the upper stage continuously to the first structure and forming a compaction chamber 14 and an upright tubular structure 22 provided above the second chamber continuously thereto and forming a dense accumulation chamber 15, and it comprises an outlet duct 23 in the upper part of the tubular structure and a driving part 27.  The apparatus is so constituted that the internal space is made continuous by passages 26a, 26b and 26c and that the ice slurry 12 is introduced from the lower part of the coarse accumulation chamber 13 and the work 12 is carried to the dense accumulation chamber 15 through the compaction chamber 14 by a screw feeder formed by a screw 17 provided for a driving shaft 19, the grain ice being sent out from the outlet duct 23.
Patent JP-2002356092-A (JP)
Title: Mechanical pencil
Inventor: SASAKI TSUKASA
IPC: B43K21/00
Filed: 2001-05-31
Abstract: PROBLEM TO BE SOLVED: To solve such a problem that when an excessive writing pressure is applied under the state that a residual lead is set in contact with a following lead, the residual lead makes the following lead curved and the following lead is shifted alongside the residual lead, resulting in the breakage of either of them. This phenomenon is particularly remarkable when a soft lead such as a thin lead or a colored lead or the face of the lead once broken or worn out obliquely is an object into contact with which the residual lead comes. SOLUTION: This mechanical pencil has a lead protecting tube provided at the tip of a barrel. A lead retention part is installed inside the lead protecting tube and an elastomer is interposed between a lead feed means and the barrel.
Patent JP-2002358072-A (JP)
Title: Method, system, and software for display of moving picture
Inventor: KOGA NAOYA
IPC: H04N5/445
Filed: 2001-05-31
Abstract: PROBLEM TO BE SOLVED: To provide a moving picture display system which enables a user to be visually pleased and is useful to create an atmosphere in a vehicle or obtain a comfortable operation feeling and immediately recognizes an operation object device or function. SOLUTION: The moving picture display system is provided with an electronic device 1, an input part 2, a main CPU and its peripheral circuit 3, a flash memory 4, a graphic memory 5, a graphic chip 6, and a display part 7. The main CPU and its peripheral circuit 3 are provided with a function detection part 30 which detects functions selectively inputted by the input part 2, a retrieval part 31 which retrieves image data corresponding to a detected function from the flash memory 4, a stereoscopic moving picture operation part 32 which performs operation for stereoscopic moving picture display on the basis of retrieved character data, a write control part 33 which writes data to be displayed on the display part 7 in the graphic memory 5, and a display control part 34 which instructs picture display to the graphic chip 6.
Patent JP-2002358382-A (JP)
Title: System, method and equipment for dispatching customer engineer, and apparatus installed at customer location
Inventor: KOYAMA KIYOHISA
IPC: G06Q50/10
Filed: 2001-06-01
Abstract: PROBLEM TO BE SOLVED: To efficiently dispatch customer engineers for a trouble of an apparatus malfunctioned. SOLUTION: A reception part receives failure information on apparatuses installed at customer site and information concerning a request for dispatching customer engineers (S10). A dispatching decision making unit then decides whether or not to dispatch customer engineers by referring to a decision making information database (S11). Furthermore, a customer engineer selection unit selects customer engineers to be dispatched (S12). The customer engineer selection unit, at this time, selects a plurality of customer engineers on the basis of the apparatus type and contents of the malfunction and ranks them for dispatch. A communication unit then, communicates with the customer engineer with the highest rank by referring to a CE information database and a CE schedule database (S13, S14).
Patent JP-2002365485-A (JP)
Title: Receptacle housing for optical connector
Inventor: INADA AKIRA
IPC: G02B6/42
Filed: 2001-06-05
Abstract: PROBLEM TO BE SOLVED: To provide an inexpensive receptacle housing for an optical connector in which a sleeve can be fixed simply, easily and firmly on the optical axis opposite from the plug-inserting end. SOLUTION: The receptacle housing is constituted by bisecting a housing on the optical axis (a) to form a pair of two divided housings 1a, 1b and by installing recessed or projected catches 12, 13 for the sleeve 15 in the engaging part opposite from the plug-inserting end of both divided housings 1a, 1b.
Patent JP-2002364891-A (JP)
Title: Air cleaner
Inventor: OSADA NAOYA
IPC: H01T19/04
Filed: 2001-06-06
Abstract: PROBLEM TO BE SOLVED: To provide an air cleaner that is reduced in depth dimension so that the cleaner may be installed without restriction and the cleaner may not become a hindrance. SOLUTION: This air cleaner is provided with a main body 1 having an air inlet 2 in the lower part of its front face, an air outlet 3 on the front side of its top face, and air course 10 which are connected to each other on the backside of the main body 1 so that the air courses 10 may communicate with the air inlet 2 and the air outlet 3. In the lower air course 10 of the main body 1, dust collecting means 4 and 5 are provided closely to the air inlet 2 and deodorizing means 6 and 7 are provided closely to the dust collecting means 4 and 5 on the downstream sides of the means 4 and 5. In the upper air course 10 of the main body 1, blowers 8 and 9 are provided closely to the air outlet 3.
Patent JP-2002366115-A (JP)
Title: Liquid crystal driving device
Inventor: KUDO YASUYUKI
IPC: G09G5/00
Filed: 2001-06-07
Abstract: PROBLEM TO BE SOLVED: To decrease the number of stabilized capacitors in use and to actualize circuit constitution wherein a stabilized capacitor itself is neither charged nor discharged. SOLUTION: The outputs of 1st and 2nd buffer circuits 103 and 104 are connected to each other through a resistance 105, the output of the 1st buffer circuit 103 is fed back to the input of a differential circuit 102, and the output of the 2nd buffer circuit 104 is regarded as the output of a voltage follower circuit 101.