baber/WOPTO huggingface dataset:
Patent JP-2003136130-A (JP)
Title: Method for manufacturing inner and outer surface submerged arc welded steel pipe excellent in toughness characteristics of seam welded portion
Inventor: ASAHI HITOSHI
IPC: B23K9/18
Filed: 2001-11-01
Abstract: PROBLEM TO BE SOLVED: To provide a steel pipe excellent in toughness characteristics of the welded portion of a high strength steel pipe, especially a tensile strength of 800 MPa or more. SOLUTION: The method for manufacturing the inner and outer surface submerged arc welded steel pipe excellent in toughness characteristics of the seam welded portion is characterized in that a steel plate is formed like a steel pipe and the seam portion is tack-welded, and in the steel pipe manufactured by submerged arc welding from the inner and outer surface, submerged arc welding is performed from the opposite surface against a tack welded portion and after a part of tack welded bead existing inside the groove in the opposite surface against the tack welding is cut and removed, submerged arc welding is performed.
Patent JP-2002184462-A (JP)
Title: Nonaqueous electrolyte and nonaqueous electrolyte secondary battery
Inventor: SEKINO MASAHIRO
IPC: H01M10/0569
Filed: 2001-09-28
Abstract: PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte secondary battery capable of enhancing its charge/discharge cycle characteristic at high temperatures. SOLUTION: The nonaqueous electrolyte secondary battery includes a jacket 1 with a thickness X of not more than 0.3 mm and a nonaqueous electrolyte containing a nonaqueous solvent and an electrolyte. The nonaqueous solvent contains mixed solvents consisting of ethylene carbonate and γ-butyrolactone. Charge/discharge cycles each consisting of 3 hours of constant current/voltage charge at a current of 1C at 4.2 V and a discharge of up to 3 V at a current of 1C, with 10-minute intervals provided between the charge and the discharge and between the discharge and the charge, are effected in a 45 deg.C environment, and the capacity maintenance rate of the battery at the 100th cycle versus the discharge capacity of the battery at the first cycle is 85% or more.
Patent JP-2003104359-A (JP)
Title: Paper pack unsealing method
Inventor: INAGAKI TAKUJI
IPC: B65D5/40
Filed: 2001-09-29
Abstract: PROBLEM TO BE SOLVED: To provide a paper pack unsealing method wherein the upper section of a paper pack is flatly sealed, and one section of the pack at the upper section is opened at the time of unsealing, and a beverage or the like inside is taken out to eliminate such problems that conventionally, there are paper packs wherein the upper sections are formed into a mountain shape, or a beverage or the like inside is taken out by placing a hole, however, the unsealing methods are not simple and convenient, and the discharging methods are various. SOLUTION: The upper section of the paper pack is sealed just like an X- shape (1), and a triangular section (2) at one location is opened and made into a pouring port (3). On both sides of the pouring port (3), a paper wall (4) is provided to prevent water from leaking sideways.
Patent JP-2002205358-A (JP)
Title: Paper laminate for packaging material
Inventor: PETER FRISK
IPC: B65D65/40
Filed: 2001-11-08
Abstract: PROBLEM TO BE SOLVED: To provide a packaging material which has a paper layer, a barrier layer inside the paper layer and further a polyethylene layer inside the barrier layer and makes the outward appearance of a container excellent when used as the container for liquid food or the like. SOLUTION: The present paper laminate for the packaging material has a polycyclic olefin copolymer containing layer at least outside the paper layer, the barrier layer at least inside the paper layer and further the polyethylene layer inside the barrier layer. The polyethylene layer is constituted of a straight- chain low-density polyethylene manufactured by using a metallocene catalyst.
Patent JP-2003135464-A (JP)
Title: Ultrasonic wave transmitting/receiving equipment
Inventor: NISHIO NORIHIRO
IPC: H04R17/00
Filed: 2001-11-08
Abstract: PROBLEM TO BE SOLVED: To provide ultrasonic wave transmitting/receiving equipment which performs ultrasonic internal observation with high precision. SOLUTION: The ultrasonic transmitting/receiving equipment is constituted of a signal processor which is provided with array type piezoelectric vibrators with the parallel arrangement of a plurality of piezoelectric vibrators formed by piezoelectric material having upper and lower electrodes, with a ground wire to be connected to one electrode of each piezoelectric vibrator and with an electric signal transmitter/receiver to be connected to the other electrode.  In the equipment, a difference between an electric impedance between the upper and lower electrodes of the piezoelectric vibrator positioned at a center in the parallel direction of the array type piezoelectric vibrators and the electric impedance of electric wiring for connecting the piezoelectric vibrators to the electric signal transmitter/receiver is smaller than a difference between the electric impedance between the upper and lower electrodes of the piezoelectric vibrator positioned at an end in the parallel direction of the array type piezoelectric vibrators and the electric impedance of the electric wiring for connecting the piezoelectric vibrators to the electric signal transmitter/receiver.
Patent JP-2003145283-A (JP)
Title: Friction stir welding method
Inventor: AOTA KINYA
IPC: B23K20/12
Filed: 2001-11-14
Abstract: PROBLEM TO BE SOLVED: To suppress the occurrence of a defect caused by a gap when welding a container and a lid by friction stir welding. SOLUTION: In a method for welding the abutting surface of the container 1 and the lid 2 by the friction stir welding using a welding tool 3, the rotary concentric shaft of the welding tool is inclined to the outer peripheral side of the lid 2 to carry out welding.
Patent JP-2002237576-A (JP)
Title: Equipment for communication system and semiconductor integrated circuit device
Inventor: YOKOGAWA TOSHIYA
IPC: H01L27/04
Filed: 2001-11-16
Abstract: PROBLEM TO BE SOLVED: To provide an equipment for a communication system which is suitable for arrangement under severe conditions of use temperature and space constrains or the like. SOLUTION: Equipment for a communication system has a semiconductor device, which is formed by integrating Schottky diode 20, an MOSFETs 30, 40, a capacitor 50 and an inductor 60 on an SiC substrate 10. The SiC substrate 10 is provided with a first lamination part 12, wherein a δ-doped layer 12a containing high concentration n-type impurities (nitrogen) and an undoped layer 12b are laminated alternately, and a second lamination part 13, wherein a δ-doped layer 13a containing high concentration p-type impurities (aluminum) and an undoped layer 13b are laminated alternately one by one, starting from below. Carrier of the δ-doped layer extends to an undoped layer. Since the impurity concentration in an undoped layer is low, impurity ion scattering is small, thus low resistance and high break down voltage value are realized.
Patent JP-2003155066-A (JP)
Title: Article storing device
Inventor: IGAMI HIDEO
IPC: B65D81/113
Filed: 2001-11-16
Abstract: PROBLEM TO BE SOLVED: To provide an article storing device which mitigates the vibration or impact applied to a stored article during transportation and carriage as much as possible. SOLUTION: A plurality of projections 10 having an arch-like corner part 12 are integrally formed on each outer peripheral surface of a first and a second recessed parts to store an article, and the impact applied in the extending direction of the projections 10 is absorbed by the deformation of the projections 10 and the corner parts 12.
Patent JP-2003156667-A (JP)
Title: Method for laser marking
Inventor: ITO AYUMI
IPC: B23K26/00
Filed: 2001-11-21
Abstract: PROBLEM TO BE SOLVED: To provide a method for laser marking by which a mark which varies for every spectacle lens is easily formed. SOLUTION: A lens 100 is irradiated with ultraviolet laser light 3 ω and 4ωA obtained by converting the wavelength of basic wave laser light 1ω emitted from a solid laser 11 with a nonlinear optical crystals 12 and 14, respectively, and the surface of the lens 100 is evaporated and dissolved, thus a mark is formed.
Patent JP-2003158088-A (JP)
Title: Laser irradiation device and laser irradiation method
Inventor: TANAKA KOICHIRO
IPC: B23K26/06
Filed: 2001-11-26
Abstract: PROBLEM TO BE SOLVED: To provide a laser irradiation device for forming laser beams for which energy density distribution on an irradiation plane is uniform and a laser irradiation method using it, and to provide a method for manufacturing a semiconductor device by using a semiconductor film obtained by crystallizing the semiconductor film and activating impurity elements by such a laser irradiation method. SOLUTION: The laser irradiation device is provided with a laser and two or more mirrors having a concave surface for uniformizing an energy density of the laser beam emitted from the laser in one direction. A focus position of a first mirror is present between the first mirror and the irradiation plane, and the focus position of a second mirror is not present between the second mirror and the irradiation plane but is present behind the irradiation plane. Then, by such a laser irradiation device, the semiconductor film or the like is irradiated with the laser.
Patent JP-2003164969-A (JP)
Title: Burn-through prevention control method of lap fillet welding
Inventor: MUKUMOTO KOJI
IPC: B23K9/095
Filed: 2001-11-27
Abstract: <P>PROBLEM TO BE SOLVED: To solve such a problem that a prediction of an occurrence of burn- through is improperly detected when a position of a welding torch deviates from a joint position to an upper plate side in a burn-through prevention control method of lap fillet welding, in which the occurrence of burn-through is predicted by judging that an arc time Tad at each cycle period during short- circuit transfer welding becomes a predetermined specification value Tth or more, and a welding current average value is reduced to prevent the occurrence of burn-through.  <P>SOLUTION: In the melt-down prevention control method, when a dispersion value Dd of the arc time is smaller than a predetermined specification value Dth, it is judged that the position of the welding torch conforms to the joint position or deviates to a lower plate side, and the melt-down prevention control is conducted, and when the dispersion value Dd of the arc time is the predetermined specification value Dth or more, it is judged that the position of the welding torch deviates to the upper plate side, and the melt-down prevention control is not conducted.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003166176-A (JP)
Title: Method for dyeing tying yarn and yarn for woven fabric
Inventor: KOBAYASHI TOSHIHIRO
IPC: D06P5/00
Filed: 2001-11-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for dyeing a yarn for a woven fabric by which protection against dyeing is surely carried out in steps of solid dyeing, stripe- dyeing, and formation of splashed patterns, and a product providing exquisite patterns by weaving is formed when applied to a dip-dye method or a beat-dye method.  <P>SOLUTION: This tying yarn is obtained by impregnating a solution containing, as a main component, a heat-sensitive polyacrylamide-based derivative the phase of which is changed to the hydrophobic one at a high temperature not lower than the transition temperature in the coexistence of water, and changed to the hydrophilic one at a low temperature not higher than the transition temperature. Yarns and yarn bundles to be dyed are tied by the tying yarn, and the tied yarns and yarn bundles are dipped in a dye liquor at the temperature not higher than the transition temperature at which the heat- sensitive polyacrylamide-based derivative exhibits hydrophilicity. Then the dye liquor is heated to a temperature not lower than the transition temperature at which the heat-sensitive polyacrylamide-based derivative exhibits hydrophobicity to dye the tied yarns and yarn bundles.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003160790-A (JP)
Title: Photocatalyst unit for use in fuel tank
Inventor: MORI MIDORI
IPC: B01J23/80
Filed: 2001-11-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a photocatalyst unit used in a fuel tank of e.g. an automobile and being capable of efficiently removing sulfur from a fuel.  <P>SOLUTION: The photocatalyst unit is one for use in the fuel tank and provided with a photocatalyst and a light source, wherein the photocatalyst contains at least one semiconductor photocatalyst selected from among TiO<SB>2</SB>, ZnO, WO<SB>3</SB>and SnO<SB>2</SB>and at least one cocatalyst carried by the photocatalyst and selected from among Mo, Ni, Co and Re. Desirably, the ratio, the cocatalyst/the semiconductor catalyst, is 0.001-0.1 by mass.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003131047-A (JP)
Title: Glass fiber of rectangular cross section
Inventor: ITO NORIHISA
IPC: G02B6/02
Filed: 2001-10-24
Abstract: PROBLEM TO BE SOLVED: To easily generate a rectangular light distribution of constant illuminance distribution with no loss of optical energy in the field of laser marking, to provide an important optical component for that purpose, and to allow it to be used even with a high optical density. SOLUTION: The cross sectional shape of a glass fiber is square or rectangular. The optical system which uses it is constituted together with a collimation lens and an imaging lens, to provide a rectangular light energy distribution of an end purpose.
Patent JP-2003166114-A (JP)
Title: Melt spinning device
Inventor: BEPPU HIDEKI
IPC: D01D5/092
Filed: 2001-11-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a melt spinning device solving unevenness in the fineness or dyeing of fiber yarns, generated by the wobbling of the yarns caused by air flow accompanying with the yarns traveling in a spinning cylinder, capable of setting a proper cooling or delayed-cooling condition freely for each of the individual spinnerets and doubling the yarns spun from the multiple number of spinnerets for making a mixed yarn.  <P>SOLUTION: This melt spinning device (1) including spinnerets (2) for spinning a group of thermoplastic synthetic fiber yarns (Y) consisting of multifilaments spun from at least 2 spinnerets having different spinning conditions and spinning cylinders (3) for cooling or delayed-cooling the yarns (Y) spun from the spinnerets (2) is provided by rectifying the air flow accompanying with the yarns (Y) spun from the spinnerets (2), and also having partitioning plates (5) for partitioning the traveling zones (A, B, C, D) of each of the yarns (Y1, Y2) for each of the spinnerets.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003165291-A (JP)
Title: Magnet holder
Inventor: KAWAI SHIGEHIRO
IPC: B42F1/02
Filed: 2001-11-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a magnet holder, the mounting and dismounting of which are easy even under the condition being equipped with a strong magnetic adhesion.  <P>SOLUTION: The magnet holder 10 is formed by holding magnets 12 in a holder main body 11. Operating parts 21 are provided in the holder main body 11 so as to allow to deform the region of the operating parts 21 by applying an external force to the operating parts 21. Through the deformation of the operating parts 21, the bonding area of the bonding surface of each magnet is reduced to the surface to be bonded on a body A to be bonded or the bonding surface is separated from the body A to be bonded. Thus, the mounting and dismounting of the magnet holder 10 are allowed.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003169367-A (JP)
Title: Radio communication apparatus
Inventor: KOSAKA MINORU
IPC: H04W48/16
Filed: 2001-11-29
Abstract: <P>PROBLEM TO BE SOLVED: To limit communication of a radio communication apparatus within a use restricted area in which an existing radio communication system is present.  <P>SOLUTION: The radio communication apparatus for communicating on a prescribed frequency band comprises a confirming means which confirms presence of other radio communication system based on a received signal, by receiving the communication signal of the other radio communication system which communicates on radio only in such radio communication permitted region as radio communication with a prescribed frequency band is permitted; and a location judging means which judges whether the radio communication apparatus is within the radio communication permitted region or not. It confirms presence of other radio communication system, and radio communication is possible only when the radio communication apparatus is judged to be within the radio communication permitted region.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003164307-A (JP)
Title: Wrist band
Inventor: KOBAYASHI KAZUYUKI
IPC: G09F3/02
Filed: 2001-11-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a wrist band which can be always kept hygienic and comfortable in the touch of wearing.  <P>SOLUTION: In the three-layer structured wrist band 10, the surface thereof is formed out of a surface base material 12A with proper printability and the lining is formed out of an embossed lining base material 12C. An intermediate base material 12B with a specified strength is arranged between the surface base material 12A and the lining base material 12C. The lining base material 12C is made antibacterial. This minimizes the area being in contact with skin to improve air permeability and can always keep the product hygienic and comfortable in the touch of wearing even under the prolonged used thereof. The intermediate base material 12B renders the product properly firm for easier printing.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003169042-A (JP)
Title: Method for synchronously detecting multi-valued qam signal, decoding decision threshold setting method, and synchronous detecting device
Inventor: YAMASHITA ATSUSHI
IPC: H04L27/38
Filed: 2001-11-30
Abstract: <P>PROBLEM TO BE SOLVED: To establish synchronism at a high speed when receiving a 16QAM signal.  <P>SOLUTION: When a frame into which a plurality of synchronous words set at the maximum amplitude value of the 16QAM signal are inserted together with an information field is inputted and the timing of the tail end of the synchronous words is detected by processing the synchronous words, the timing in which a predetermined number of symbols whose amplitude values are larger than a predetermined value are successively received and the peak value of correlation between the plurality of synchronous words and vectors corresponding to the synchronous words is obtained is regarded as the timing of the tail end of the synchronous words.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003166887-A (JP)
Title: Torque detection device
Inventor: ADACHI MASAHIKO
IPC: G01L3/14
Filed: 2001-11-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a torque detection device capable of detecting a torque with stable accuracy.  <P>SOLUTION: This torque detection device has a drive shaft 4 rotating by receiving the drive of a motor 3, and an output shaft 7 connected to the drive shaft 4 through a torsionally-deformable coil spring 6. The device also has a casing 2 for specifying the connection length of the drive shaft 4, the coil spring 6 and the output shaft 7 to be constant, and pulse encoders 5, 8 for emitting pulse signals corresponding to the rotation of the drive shaft 4 and the output shaft 7 respectively. The device has a constitution wherein the pulse signals of the pulse encoders 5, 8 are processed by an operation means 9, to thereby determine the rotation angle difference between the drive shaft 4 and the output shaft 7, and a load torque loaded on the output shaft 7 is calculated therefrom.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003173906-A (JP)
Title: Device and method for drying resin
Inventor: KARASAWA HIROYOSHI
IPC: F26B25/04
Filed: 2001-12-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a device and method for drying resin by which working hour can be shortened and, in addition, the mottling of a resin film can be prevented at the time of applying a liquid resin to an insulating substrate and drying the resin.  <P>SOLUTION: After many insulating substrates 3 are housed in a bag-like housing body 7 having stitches and the liquid resin is adhered to the substrates 30, the resin is dried by blowing drying air upon the substrates 30 housed in the housing body 7, while both ends of a rocking arm 4 are alternately rocked upward and downward in a state where both side sections of the housing body 7 are hung down from both ends of the arm 4.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003177633-A (JP)
Title: Image carrier and image forming device provided with the same
Inventor: HAGA KOKICHI
IPC: G03G21/00
Filed: 2001-12-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image carrier which is less in the number of components, small in occupancy space, small in size and low in cost and in which the full width for an image formation width of the image carrier is small to be made small in size and wide in image formation area, and to provide an image forming device provided with the image carrier.  <P>SOLUTION: The image carrier comprises a substrate 1 of an endless belt shape, an image carrying face 2 carrying a toner image formed on the surface of the substrate 1 by an electrophotographic method, skew prevention members 3 integrally provided on the widthwise ends of the back of the substratum 1 in relation to the image carrying face 2 in order to restrict skew in belt stretched around rollers, and a joint 4 for skew prevention member which joins the ends of each skew prevention member 3.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003176143-A (JP)
Title: Synthetic quartz glass
Inventor: FUJINOKI AKIRA
IPC: C03B20/00
Filed: 2001-12-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a synthetic quartz glass which exhibits small birefringence, excellent homogeneity of refraction factor and small change of light transmissivity, when it is used as an ArF excimer laser.  <P>SOLUTION: In the synthetic quartz glass, (1) a striae in a use direction and off-axial direction is class A, (2) a difference between the maximum value and the minimum value of the average value of OH concentration when the OH concentration in the use direction is averaged in the off-axial direction is ≤30 ppm and a difference between the maximum value and the minimum value of the average value of the virtual temperature when the virtual temperature in the use direction is averaged in the off-axial direction if ≤20°C, (3) the difference between the maximum value and the minimum value of the average value of the OH concentration when the OH concentration in the off-axial direction is averaged in the use direction is ≤40 ppm and the difference between the maximum value and the minimum value of the average value of the virtual temperature when the virtual temperature in the off-axial direction is averaged in the use direction is ≤30°C, and (4) the distribution Δn of the refraction factor in 633 nm wave length in the use direction of the synthetic quartz glass is ≤1×10<SP>-6</SP>, and the distribution Δn of the refraction factor in the off-axial direction is ≤3×10<SP>-6</SP>.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003178617-A (JP)
Title: Light guide member for light emitting diode and security lamp for construction using it
Inventor: AKAMINE NAOKI
IPC: E01F9/615
Filed: 2001-12-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a security lamp for construction using a light guide member allowing traffic control or guide in the night to be safely carried out over a long period of time even if small-power light emitting diodes are used.  <P>SOLUTION: The light emitting diodes 33 are mounted on an electric control circuit board 31 disposed in a security lamp cover 2, and the surfaces of the diodes 33 are covered with the light guide member 34 to diffuse the irradiated light of the diodes 33.  <P>COPYRIGHT: (C)2003,JPO