baber/WOPTO huggingface dataset:
Patent JP-H1025339-A (JP)
Title: Aromatic polycarbonate composition and its production
Inventor: NAKAJIMA MASAYUKI
IPC: C08G64/20
Filed: 1996-07-12
Abstract: PROBLEM TO BE SOLVED: To obtain an aromatic polycarbonate composition which can maintain high transparency and good hue even under high-temperature condition with excellent heat stability by adding a hindered phenol having a specific chemical structure so that specific conditions may be satisfied. SOLUTION: This composition comprises (A) 10-1,000ppm of n-octadecyl [3-(4-hydroxy-3,5-di-t-butylphenyl)propionate] contained in (B) an aromatic polycarbonate which is prepared by melt-polymerization of a carbonic diester with an aromatic dihydroxy compound and contains <=1,000ppm of terminal hydroxyl groups. The objective composition is prepared by formulating 10-1,000ppm of the component (A) in the component (B) in the presence of 0.01-10μmol/mol of an ester-exchanging catalyst (in terms of the mol amount of the metal in the catalyst per mole of the aromatic dihydroxy compound). According to this invention, a polycarbonate which can maintain excellent thermal stability even after aging treatment can be produced and is every effective industrially.
Patent JP-S6077850-A (JP)
Inventor: MAYUMI YOSHINARI
IPC: B65D1/12
Filed: 1983-09-30
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-S6340614-A (JP)
Title: Manufacture of hollow extruded shape having three dimensional shape changes
Inventor: SUGIO EIJI
IPC: B21C23/10
Filed: 1986-08-04
Abstract: PURPOSE:To form bulged large diameter parts and recessed groove shape small diameter parts on an extruded shape at prescribed spaces between them by forming plural annular recessed grooves or annular projection ribs on the mandrel periphery in a floating mandrel system regularly and irregularly. CONSTITUTION:In the case of using a mandrel bar 2 having carved recessed grooves 4, a metal flow gap between a die 1 and the mandrel bar 2 increases when one of the grooves 4 comes to the position of a bearing part 1a of the die 1. Therefore, an extrusion amount temporarily increases so that a lumplike bulged part 11 is generated on the periphery of an extruded shape 10 in the die 1. When that one of the grooves 4 reaches a position in front of the bearing part 2, the metal flow gap 6 narrows and an extrusion to obtain a normal thickness tube stock succeeds to the above extrusion. Thus, the hollow extruded shape 10 having a small diameter part 10b between large diameter parts 10a and 10a is formed by repeated above extrusions. In the contrast with using the mandrel bar 2, a hollow extruded shape 10' having large diameter part 10'a between small diameter parts 10'b and 10'b is obtained in the case of extrusion by use of a mandrel bar 12 having annular projection ribs 5.
Patent JP-H0935407-A (JP)
Title: Magnetic disc drive
Inventor: AIDA TOMOYOSHI
IPC: G11B5/84
Filed: 1995-07-20
Abstract: PROBLEM TO BE SOLVED: To obtain a magnetic disc drive employing a medium having regular protrusions in which the reliability is enhanced while suppressing the bouncing. SOLUTION: The magnetic disc drive comprises a medium 3 having regular protrusions, a magnetic head 2 having a specific resonance frequency, a rotary section 1 for generating a relative speed between the medium and head, an actuator 4 for shifting the magnetic head 2, and a control section 5 for the rotary section 1. In such a magnetic disc drive, the control section 5 controls the magnetic head not to impart resonance caused by the protrusions of medium. Consequently, bouncing of the head is stabilized thus realizing a highly reliable low bouncing magnetic disc drive.
Patent JP-S5885690-A (JP)
Title: Solid-state color image pickup device
Inventor: NISHIZAWA SHIGEKI
IPC: H04N9/07
Filed: 1981-11-18
Abstract: PURPOSE:To prevent a moire, by providing the first and the second filters whose transmitted light is different, so as to correspond to a photodetector for constituting 1 picture element, in a solid-state color image pickup device using a color filter and a solid-stae image pickup element. CONSTITUTION:In a solid-state color image pickup device which is constituted of a lot of photodetectors placed in odd lines, and a lot of photodetectors placed in even lines by shifting them by a half picture element portion against said photodetectors and the scanning direction so that read-out can be executed in order, 2 filters Ye, G whose transmitted light is different are placed in accordance with the photodetectors of odd lines L1-L5 for constituting 1 picture element, and CY and W are placed in a position of even lines L2-L4, and they are placed repeatedly at every picture element. On one photodetector, 2 color filters are placed, therefore, the transmitted light component is added and outputted. Accordingly, a moire phenomenon is scarcely generated.
Patent JP-H0349174-A (JP)
Title: Connector
Inventor: KATO NOBUYUKI
IPC: H01R13/64
Filed: 1989-07-17
Abstract: PURPOSE:To simply prevent the erroneous connection of connectors for the multiple same type electric components by forming one housing of the connector in the same shape, and adding portions which can be changed by a little machining. CONSTITUTION:In a fuel injection pump 1 having multiple same type electric components, e.g. electromagnetic spill valves 2 and 3, the electromagnetic spill valves 2 and 3 are connected to male connectors 7 and 8 of a control unit ECU 4 via female connectors 5 and 6 respectively. Female connectors 5 and 6 are formed in the same shape, then projections 52 and 62 are removed by simple machining respectively so that only positions of projections 51 and 62 are different from each other. Male connectors 7 and 8 are formed so that recesses 71 and 81 are provided in response to projections 51 and 62 respectively. Pins inserted into holes may be used in place of projections.
Patent JP-S58148427-A (JP)
Title: Quartz glass core tube for manufacture of semiconductor
Inventor: TSUJI MASAHIRO
IPC: H01L21/00
Filed: 1982-10-20
Abstract: PURPOSE:To make rays of radiant light from a heat source to be scattered properly, and to heat contents in the quartz glass core tube for manufacture of the semiconductor uniformly by a method wherein nearly globular air bubbles of 10-50mum diameter remaining in quartz glass are made to be contained by 5,000 pieces or more per 1cm<3> when quartz glass is to be molten. CONSTITUTION:High pure quartz powder containing 80% or more of 20-60 mesh powder is filled up in an iron cylinder rotating the cylinder and using a core. Material powder is pressed to the outside wall according to centrifugal force, a carbon electrode is inserted in the hollow part thereof to heat turning on electricity, and the quartz glass tube is obtained. Nearly globular air bubbles of 10-50mum diameter exist therein by about 15,000 pieces per 1cm<3>, and when the tube thereof is used as the core tube for a semiconductor diffusion furnace with no liner tube, control of the temperature in the range of + or -1 deg.C in the prescribed temperature region can be attained, and no difference was observed in regard to the purity from a transparent quartz glass product.
Patent JP-H0634007-A (JP)
Title: Toroidal type continuously variably transmission
Inventor: EZAKI SEIJI
IPC: F16H15/38
Filed: 1992-07-10
Abstract: PURPOSE:To prevent rotation of roller support members from rotating to outside a regular usage range and improve assembling performance of a stopper member and a connection member. CONSTITUTION:A stopper member 100f which prevents trunnions 59a, 59b from rotating to outside the regular usage range is fastened at two positions of an upper surface of a lower side connection member 63 so as to sandwich a lower side barrel bearing 73f by means of bastening bolts 101. Displacement does not easily occur even when strong force is applied from the trunnions 59a, 59b, and the stupper function of the stupper member 100f is improved. In addition, the stopper member 100f is easily positioned at the time of assembling.
Patent JP-H105007-A (JP)
Title: Walking function regulator
Inventor: MIYAZAKI NAOKAZU
IPC: A43B21/24
Filed: 1996-06-24
Abstract: PROBLEM TO BE SOLVED: To stabilize a walking posture, to reduce fatigue and to facilitate walking by providing upper and lower elastic layers and arranging the center of a rigid disk at the heel part of shoes while matching it with a position corresponding to the weighted center of lower surface of the heel in the right standing state of a human body. SOLUTION: A walking function regulator 1 is provided with an upper sponge layer 2 which is a disk-shaped sponge having high elasticity and becomes the upper elastic layer of top layer, aluminium plate 3 as the rigid plate of middle layer, permanent magnet 4 arranged at the center of the aluminum plate 3, and lower sponge layer 5 which has high elasticity and becomes the lower elastic layer of bottom layer, formed as disk-shaped parts in triple layered structure. The walking function regulator 1 matches its center with the weighted center on the lower surface of the heel at right standing time and arranged at a cylindrical recessed part, which is provided at a heel part 51 of shoes 50 so as to make its upper surface higher than the other sections for 1-2mm, so as to keep a gap at the outer periphery and the gap with the heel 51 is filled with high-elasticity filler 52.
Patent JP-H0737674-A (JP)
Title: Spark plug
Inventor: OSHIMA TAKAFUMI
IPC: H01T21/02
Filed: 1993-07-26
Abstract: PURPOSE:To maintain a noble metal member jointed to an electrode base material at a low temperature. CONSTITUTION:A center electrode 1 has an electrode base material 2 whose heat conductivity is made not less than 30W/m.K and a noble metal member 4 jointed to the tip surface 3 of this electrode base material 2. Heat conductive metal 8 such as copper is sealed inside the electrode base material 2, and an interval between the noble metal member 4 and the heat conductive metal 8 is made not more than 1.5mm. A melting and coagulating alloy part 9 is formed on the whole circumference of a contact plane between the electrode base material 2 and the noble metal member 4 by a laser beam, and the melting and coagualting alloy part 9 is fixed firmly to the tip of the electrode base material 2. When the noble metal member 4 acts so that a temperature of the noble metal member 4 is raised by generating spark discharge or the like, heat of the noble metal member 4 is attracted to the electrode base material 2 having high heat conductivity, so that a temperature rise in the nobel metal member 4 is restrained.
Patent JP-S6429021-A (JP)
Title: Phase locked loop circuit
Inventor: SATO KENICHI
IPC: H03L7/093
Filed: 1987-07-23
Abstract: PURPOSE:To independently adjust a loop qain and a VCO center frequency by canceling the influence of a variable resistor between an differential amplification circuit, which constitutes a loop filter for the output of the variable voltage source to be supplied to a VCO (voltage controlled oscillator), and the VCO. CONSTITUTION:The edge of an input signal, detected by a differentiation circuit 21, is inputted to a phase comparator 2 together with output of the VCO 4, and the phase difference signals of a positive phase and a negative phase are obtained. These phase difference signals are inputted to the differential amplification circuit 11 through a first and a second impedance means 12, 13, and after being given a frequency characteristic, determined by the third impedance means 14, connected to the said amplification circuit, the levels are adjusted by the variable resistor 16, and they are inputted to the control terminals of the VCO 4. On the other hand, because the output voltage of the variable voltage source 19 is supplied to the amplifier 11 through a fourth impedance means 15, and to the VCO 4 through the resistor 17, the influence of the variable resistor 16 is canceled, and the center frequency of the VCO 4 can be independently adjusted by only the variable voltage source.
Patent JP-S6077007-A (JP)
Title: Conveyor device for placing concrete
Inventor: SATOU TADAO
IPC: B65G15/08
Filed: 1983-10-04
Abstract: PURPOSE:To enable to conduct a kneading work during conveyance of concrete and to simplify the washing work of a conveyor, by a method wherein a conveyor, having ribs which are attached to the inner surface thereof longitudinally apart from each other and form compartments, is formed into a cylindrical shape at a feed end and is opened at an end terminal, and is caused to pass through a flush tank on a return side. CONSTITUTION:A conveyor 1 is conveyed in an opened condition to a feed position from a return line R, and is turned over by means of a guide roller 4. The conveyor is formed into a cylindrical shape at a concrete feed position with the aid of guide rollers 3A-3G. Resulting from such cylindrical formation of the conveyor, a plurality of compartments are formed with ribs 2 at the interior of the conveyor 1, and concrete is kneaded in each compartment and is moved with the movement of the conveyor 1. At an end terminal D, the conveyor is opened by means of guide rollers 3 to discharge the concrete. Further, a flush tank, not shown, is installed on the return side to wash the conveyor 1 when it returns. This constitution permits kneading of concrete and washing of the conveyor during conveyance and enables improvement of working efficiency.
Patent JP-S6245088-A (JP)
Title: Semiconductor laser element
Inventor: YOSHIDA TOMOHIKO
IPC: H01S5/00
Filed: 1985-08-21
Abstract: PURPOSE:To prevent the reactive current from changing exceedingly due to the quantity of the injected current by restraining a gate current to the utmost by laminating p- and n-type buried layers on a semiconductor substrate around a projection and presetting the polarity of the p-n junction of the buried layers to be a reverse-applied bias polarity. CONSTITUTION:On a semiconductor substrate 1 of the first conductive type provided with a mesa stripe 9 of stripe form, the first buried layer 5 of the opposited conductive type to the first conductive type is grown in the part except the part on the mesa 9. After that, such element structure is formed that a stripe groove 10 whose width is narrower than that of the mesa is formed in a mesa stripe part and the first cladding layer 4 of the first conductive type, an active layer 3 of higher refractive index and smaller energy gap in comparison with said cladding layer, the second cladding layer of the opposite conductive type to the first conductive type are grown in order. When the first buried layer 5 is separated from the cladding layer 4, the energizing of the thyristor for preventing current formed of the cladding layer 4, the second buried layer 6, the first buried layer 5, and the substrate 1 can be prevented.
Patent JP-H06208830-A (JP)
Title: Gas discharge lamp and its manufacture by microworking
Inventor: BABARU ARI KAAN
IPC: H01J17/49
Filed: 1993-07-27
Abstract: PURPOSE: To make a gas discharge lamp capable of withstanding extremely high pressure by using integrated circuit manufacture technique. CONSTITUTION: This lamp is fabricated of heat-resisting and pressure-proof flat base substances 12 and 14 with half cavities 20 and 22 etched by integrated circuit manufacture technique in order to create a cavity forming a gas discharge tube. Electrodes 40 and 42 are arranged in said cavity. The cavity is sealed with gas discharge material such as mercury vapor, sodium vapor or metal halide. The base substances 12 and 14 undergo bonding with wafer, and a groove 46 is etched in the base substances 12 and 14 to provide a connection means for the electrodes 40 and 42. An electrodeless RF energization lamp can be manufactured by this technique. Also, a microlaser can be manufactured by this technique.
Patent JP-H0849411-A (JP)
Title: Method for adjusting length of concrete foam panel
Inventor: KAWANE YUKIHARU
IPC: E04G19/00
Filed: 1994-08-05
Abstract: PURPOSE:To enable a concrete form panel that can fully endure use to be used with its length adjusted by a method comprising a first process for cutting the concrete form panel longitudinally, a second process for cutting a vertical sash bar into a length not less than the thickness of a stile, and a third process for providing a new stile between the interior wall faces of two stiles. CONSTITUTION:A form panel A whose length is to be adjusted is mounted on an anchor block 40, circular saws 41a, 41b are actuated, and the anchor block 40 slides in the direction of the saw 41a to cut the panel A longitudinally into a certain length. When the anchor block 40 slides in the opposite direction, the saw 41b is moved upwards, by the action of a second limit switch 42b, to a position where a vertical sash bar 3 located inside the panel A can be cut, and as the anchor block 40 further slides, the vertical sash bar 3 is cut by the saw 41b into an amount almost equal to the thickness of a short-sized stile 2b. The new stile 2b is held in place by nails or the like between the interior wall faces of two stiles 2a which are opposite to each other on the cut plane of the panel A, to obtain a form panel A' whose length has been adjusted.
Patent JP-H0234796-A (JP)
Title: Dynamic pressure generating groove forming sheet and formation of dynamic pressure generating groove using the sheet
Inventor: YASHIRO HIROKAZU
IPC: C23F1/00
Filed: 1988-07-25
Abstract: PURPOSE:To accurately and easily form a dynamic pressure generating groove in a bearing, etc., by depositing a resist provided with many materials corresponding to the groove on a base sheet, arranging the sheet on the surface of a cylindrical body, and transferring the resist to the body. CONSTITUTION:A resist 11 provided with many materials 11a corresponding to the groove is deposited on a base sheet 12, the sheet is cut at a position not interfering with the material 11a to form a protrusion 13 and a recess 14 on the ends of the sheet 12. The product is used as a dynamic pressure generating groove forming sheet 10, and arranged on the periphery or inside of a cylindrical body so that the resist 11 is pressed on the body. The protrusion 13 is engaged with the recess 14, and the sheet 10 is positioned. The resist 11 is pressed and transferred onto the body, the base sheet 12 is released, and each material 11a is arranged on the corresponding surface of the body as designed. The surface of the body is shotblasted or etched through the resist 11 to form a dynamic pressure generating groove.
Patent JP-2000022217-A (JP)
Title: Optical semiconductor module
Inventor: AZUMA HIROYUKI
IPC: H01L33/56
Filed: 1998-06-30
Abstract: PROBLEM TO BE SOLVED: To restrict moisture reaching an element, and enhance wet-resistance and reliability of an optical transmission system, by a method wherein an optical semiconductor element and a part of an element mounting member are coated with a sealing resin, and a plurality of undercut parts are provided as an interface path extension part around the optical semiconductor element of the element mounting member. SOLUTION: An optical semiconductor element 2 is disposed on a stem 1 as an optical semiconductor element mounting member, so as to be electrically connected to each other. In the stem 1, a plurality of recessed grooves (undercut parts) 1a are provided so as to enclose the optical semiconductor element. A resin 3 is formed so as to coat the recessed groove 1a and the optical semiconductor element 2, which is resin-sealed. Such the recessed groove 1a is formed, whereby a path length of an interface 5 between the stem 1 and the resin 3 is considerably extended. For an arrival of moisture invaded from a resin end part 4 to the interface 5 at the optical semiconductor element 2, it must be diffused at a long distance of at least the recessed groove, thereby attaining large restraint effects for moisture.
Patent JP-S6160166-A (JP)
Inventor: UOOREESU KIISHIYUNAA
IPC: G06Q50/00
Filed: 1985-08-22
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-S6341815-A (JP)
Title: Producing device for optical fiber core
Inventor: NOMURA SHOJI
IPC: G02B6/44
Filed: 1986-08-08
Abstract: PURPOSE:To uniform the Young's modulus of a secondary coat layer along a longitudinal direction by controlling the driving of a cooling tank moving means so that Young's modulus measured by a Young's modulus measuring means is included in a prescribed range. CONSTITUTION:An optical fiber core 3 is cooled in a cooling water tank 5, stress with a prescribed value is applied to the core 3 in a direction rectangular to the length direction by a roll 9 and a displacement variable generated in the core 3 is detected by a detector 11 and sent to a control part 14. The control part 14 decides whether the displacement variable is included in a previously set range or not, and when the variable is included in the range, waits as it is. If the displacement variable is smaller than the set range, the control part judges that the Young's modulus of the core 3 is excessive and moves an auxiliary trough 7 of the cooling water tank 5 to the side of an extruder 4 to rapidly cool the core 3. When the displacement variable is larger then the set range, the control part 14 judges that the Young's modulus of the core 3 is too low and moves the trough 7 to the side of a drawing machine 15 to cool the core 3 slowly. Consequently, Young's modulus of the secondary coat layer is uniformed along the longitudinal direction.
Patent JP-H0835169-A (JP)
Title: Method of straightening cloth texture and straightener
Inventor: NASU NOBUO
IPC: D06H3/10
Filed: 1994-07-14
Abstract: PURPOSE:To simply and steadily straighten the cloth texture by fixing one point of the fabric which is being conveyed, pulling the fabric in the reverse direction to this fixing point and adjusting the line extending from the fixed point to the minimal elongation point to the rectangle to the fabric-conveyed direction. CONSTITUTION:The fabric 1 is held by the first stopper 2 at its one end, then the other end is pulled with fingers 3a, 3b, 3c at several points. Then, the fabric is adjusted in its moving direction so that the fabric moves rectangularly to the line binding the minimal elongation point to the first stopper, further the second stopper 5 is pushed to the fabric. Thus, the cloth texture is readily straightened, and the fabric can be cut in parallel with the texture line (warp). The cloth texture can be steadily straightened without damage to the fabrics, differing from the conventional technique.
Patent JP-2001011918-A (JP)
Title: Drain pipe structure
Inventor: ISHII HIROSHI
IPC: E03C1/122
Filed: 1999-06-30
Abstract: PROBLEM TO BE SOLVED: To provide a drain pipe structure capable of improving the efficiency of the piping work. SOLUTION: This drain pipe structure comprises a main pipe 52 which is a drain pipe 50 connected to a water section appliance 3A, and a branch pipe 53 which is branched from the main pipe 52 and provided with a vent hole 54 on its tip, the vent hole 54 of the branch pipe 53 is installed in a peripheral space 36 of the water section appliance 3A inside a building, and thus, the efficiency of the piping work can be improved.
Patent JP-H0849426-A (JP)
Title: Sliding cover for cargo handling floor opening
Inventor: OOTSUKI CHIKATERU
IPC: E04G21/32
Filed: 1994-08-08
Abstract: PURPOSE:To enable a cover for covering a cargo handling opening formed in the floor face of a building under construction to be used repeatedly for openings of different sizes by making the cover freely slidable and expandable. CONSTITUTION:A pair of rails (11A), (11B) are disposed parallel to each other on both sides of and along the floor opening (2) of a building. A wheeled sliding cover (208 is placed on the rails (11A), (11B). The frame of the sliding cover (20) is rectangular and comprises rectilinear members (12) constituting its sides and corner members (13) freely slidably fitting over both ends of each rectilinear member (12). The vertical and horizontal lengths of the frame can be increased or reduced through the adjustment of the length by which the rectilinear member (12) is inserted into the corner members (13). The required number of load- carrying plates (15) are fitted on the frame to complete the sliding cover (20).