baber/WOPTO huggingface dataset:
Patent JP-H07138253-A (JP)
Title: Production of lactide
Inventor: SAWA SEIJI
IPC: C07D319/12
Filed: 1993-11-17
Abstract: PURPOSE:To obtain in high yield lactide of high optical purity through such processes that lactic acid is heated and concentrated and then dehydrated under reflux to produce a lactic acid oligomer which is then depolymerized in the presence of a catalyst into lactide which is then distilled. CONSTITUTION:Firstly, lactic acid (pref. >=99% in optical purity produced by fermentation process) is heated pref. at 130-140 deg.C under normal pressures and concentrated, and then dehydrated under reflux to produce a lactic acid oligomer. Next, this oligomer is heated pref. at 190-210 deg.C under a reduced pressure of 10-50Torr to conduct a depolymerization and the objective lactide produced is distilled. It is recommended that the above-mentioned refluxing process be conducted while gradually raising temperature at 135+ or -3 deg.C in the 1st stage, at 150+ or -3 deg.C in the 2nd stage and at 160+ or -3 deg.C in the 3rd stage.
Patent JP-H06173166-A (JP)
Title: Woven glass cloth substrate and laminated board produced by using the material
Inventor: ISHIDA TETSUYA
IPC: D06M13/513
Filed: 1992-10-29
Abstract: PURPOSE:To prepare a laminated board having high heat-resistance durable to the severe thermal condition applied in the automatic insertion of IC, etc., and to prepare a woven glass cloth substrate enabling the production of the laminated board. CONSTITUTION:This woven glass cloth substrate is surface-coated with a silane- coupling agent and a compound having a molecular structure containing a benzene ring substituted with hydroxyl group, sulfone group and carboxyl group in separated state or in mixed state. The laminated board is produced by using the woven cloth substrate as a reinforcing material.
Patent JP-H052252-A (JP)
Title: Treating method for silver halide color photographic sensitive material
Inventor: ISHIKAWA TAKATOSHI
IPC: G03D3/06
Filed: 1991-11-27
Abstract: PURPOSE:To obtain a treating method by which stable photographic characteristics can be maintained even when the amt. of waste liquid of a treating liquid is largely decresed or completely eliminated, and especially to obtain the method effective for stability in the treating for a high silver chloride color phtographic sensitive material. CONSTITUTION:A silver halide photographic sensitive material exposed to light is continuously treated while a replenisher is added. This treatment features in that when the lever of the liquid in the treating tank lowers by a certain amt., not the replenisher but a new liquid (liquid in a tank for new liquid) is added to the treating tank to return the liquid lever to the standard level.
Patent JP-H08168131-A (JP)
Title: Cable guide wire laying apparatus
Inventor: TSUKAMOTO YOSHIMASA
IPC: H02G3/38
Filed: 1994-12-16
Abstract: PURPOSE: To guide a cable closely even along the curved side frame of a cable rack without causing the drive side truck and the driven side truck to fall off the side frame at the time of traveling by fitting the traveling faces of drive and driven wheels to the upper end of the side frame loosely enough not to cause any trouble in the traveling so that the drive and driven wheels can turn freely about an axis normal to the traveling face. CONSTITUTION: A drive wheel 11 and a driven wheel 13, each provided with flange-like protrusions on the opposite sides thereof, are set in casings 19 and 21, respectively. The wheels can run while being fitted loosely to the upper end of the side frame and prevented from falling off the end part during the running by means of the flange-like protrusion. The direction is changed by turning the casings 19, 21 about the vertical axes 10, 12 and the running direction can be set freely in the tangential direction of a curved part. With such structure, the drive wheel 11 and the driven wheel 13 can run even through the curved part of the side frame of a cable rack 7 without falling off the upper end thereof thus moving a drive side truck 8 and a driven side truck 9 closely along the cable rack.
Patent JP-H02189540-A (JP)
Title: Photographic recording material
Inventor: EERITSUHI BORUFU
IPC: G03C7/305
Filed: 1989-12-01
Abstract: PURPOSE: To decrease the melting point, to improve the solubility with an oil forming agent, to decrease the crystallization degree and to improve and stabilize changes in the processing conditions by incorporating a specified org. compd. into a photosensitive or nonphotosensitive layer. CONSTITUTION: This photographic recording material consists of a base layer, at least one photosensitive silver halide emulsion layer and other nonphotosensitive binder layers. The photosensitive or nonphotosensitive layers contain an org. compd. expressed by formula I. In formula, PNOV is a residue of an org. compd. which is useful for the photographic process, L is a chemical bond or link, X is -O, -S-, -SO-, R<1> and R<2> are alkyl groups having no branches but having at least 6 carbon atoms. Thereby, low melting point, excellent solubility with various kinds of high boiling point solvents, low crystallization degree and excellent aging stability can be obtd.
Patent JP-H11148009-A (JP)
Title: Silicone rubber particle and its production
Inventor: MIYATAKE NOBUO
IPC: C08K5/54
Filed: 1997-11-14
Abstract: PROBLEM TO BE SOLVED: To obtain the subject particle having a narrow particle size distribution and suitable as an impact modifier or the like by constituting the particle with an organosiloxane and optionally two specific kinds of silane compounds and specifying the volume-average particle diameter and its variation coefficient. SOLUTION: The objective particle is composed of (A) 70-100 wt.% of an organosiloxane (e.g. octamethylcyclotetrasiloxane), (B) 0-15 wt.% of a polyfunctional silane compound (e.g. tetraethoxysilane) as a crosslinking agent for a silicone rubber and (C) 0-15 wt.% of a silane compound having vinyl- polymerizable group (e.g. γ-methacryloyloxypropyl dimethoxymethylsilane) as a graft-crosslinking agent for a silicone rubber and has a volume-average particle diameter of 0.04-0.12 μm and its variation coefficient of <=50%. A silicone rubber-based graft copolymer particle can be produced by the graft- polymerization of a vinyl monomer in the presence of the particle.
Patent JP-H06206052-A (JP)
Title: Sweeper
Inventor: FUIRITSUPU II KOONINGUSU
IPC: E01H1/08
Filed: 1993-12-14
Abstract: PURPOSE: To efficiently clean even a mixture of dense and lightweight dust and to pack the dust into a hopper by providing the above sweeper with first and second tools, a means for moving the second tool between a sweeping position and a non-sweeping position and a means for rotating the second tool when the second tool is at the sweeping position. CONSTITUTION: The first tool including a rotatable cylindrical brush 24 having an axis in a direction crossing the longitudinal axis of a frame 12 is disposed in the rear part of a dust hopper 68 in the moving direction of the sweeper 10. The second tool similarly consisting of a cylindrical brush 38 is disposed between the first tool and the hopper 68, and is constituted movably between the sweeping position adjacent to the surface 14 to be cleaned and the non- sweeping position deposition apart from the surface 14. The cylindrical brush 38 as the second tool is moved by a brush arm 40 between the sweeping position and the non-sweeping position and is rotated by a hydraulic motor 42 when the brush exists at the sweeping position.
Patent JP-H11150144-A (JP)
Title: Semiconductor device and its manufacture
Inventor: TOGAWA SANEHARU
IPC: H01L21/60
Filed: 1997-11-14
Abstract: PROBLEM TO BE SOLVED: To prevent short-circuiting among bonding pads, even when a semiconductor ship in which the intervals among the bonding pads are narrowed is used by forming insulators which insulate the bonding pads of the semiconductor chip from each other to be higher than the bonding pads in height. SOLUTION: Walls composed of insulating films 6a and surrounding bonding pads 4 are formed on a chip 2, so that the walls surround balls 8a of bonding wires 8 which are joined with the pads 4 in squashed states. Therefore, the smashed balls 8a jointed with adjacent bonding pads 4 can be surely prevented from coming into contact with each other. When, in addition recessed sections 10 are formed around the bonding pads 4 in the manufacturing process of a semiconductor device, the wells of the recessed section 10 can prevent the extrusion of the metal constituting the balls 8a of the bonding wires 8 to the surrounding areas, by intercepting the flow of the metal when the balls 8a are squashed.
Patent JP-H02159741-A (JP)
Title: Embossed spacer type
Inventor: SAKIMA TETSUYA
IPC: H01L21/60
Filed: 1988-12-14
Abstract: PURPOSE:To prevent the contact of an embossed spacer tape with semiconductor chips and the contact of the tape with a potting resin by a method wherein embosses, which are made to abut on a film carrier, are constituted of a conglomerate consisting of a resin. CONSTITUTION:Copper foil fingers are formed on the rear of a polyimide tape of a film carrier 11 and semiconductor chips 12 are respectively bonded on these fingers through bumps. The main body of an embossed spacer tape 13 is constituted of a polyimide resin, for example, or the modified resin of the polyimide resin and perforation holes 13a are formed on both sides in the width direction of the tape 13. Embosses (spacers) 14, which respectively protrude from the upper and lower surfaces of the tape 13 in a hemispherical form, are annexed to parts, which correspond to these holes 13a, of the tape 13 and these embosses are constituted of a conglomerate consisting of a polyimide resin. Thereby, the contact of the tape 13 with the chips 12 and the contact of the tape 13 with a potting resin can be prevented.
Patent JP-H11149013-A (JP)
Title: Polarizing separating device polarization illuminator, projection type display device and manufacture of polarizing separating device
Inventor: FUSHIMI YOSHIMASA
IPC: G02B5/30
Filed: 1997-11-17
Abstract: PROBLEM TO BE SOLVED: To provide a thin polarizing separating device splitting natural light into two polarization components having a different polarization direction and emitting two polarization components in mutually different directions. SOLUTION: A polarizing separating element 45 is constituted by sticking a member obtained by the vapour deposition of polarizing separating film 42 on the slant face of a first prism 41 and a second prism 43 by a transparent adhesive 46. Plural polarizing separating elements 45 are stuck and formed into a plate-like shape by the transparent adhesive 46. The refractive index of the second prism 43 is lower than that of the first prism 41. When the natural light is made incident on the first prism 41 along an optical axis, a P- polarization component is transmitted through the polarizing separating film 42 and is emitted in a direction deviated from the optical axis, and an S- polarization component is reflected by the polarizing separating film 42, and is reflected by the other polarizing separating film 42 adjacent and is emitted in a direction in parallel with the optical axis.
Patent JP-H06134115-A (JP)
Title: Discharge device for pachinko ball
Inventor: ENOMOTO HIROSHI
IPC: A63F7/02
Filed: 1992-10-28
Abstract: PURPOSE:To provide such a new discharge device for a PACHINKO ball causing no ball biting even if a rotation of a driving motor is fluctuated or a variation is generated in a flow of balls for Japanese pinball game (PACHINKO). CONSTITUTION:This device consists of supply passages 21, 21 to which PACHINKO balls are supplied continuously, rotary bodies 27, 27 having blades 30a, 30b, a driving motor 24 for rotating the rotary bodies 27, 27, and discharge passages 23, 23 from which the PACHINKO balls discharged by a rotation of the driving motor 24 are discharged, and on the downstream side of the supply passages 21, 21, a circular arc-like guiding part 33 being concentrical with the rotary bodies 27, 27 is formed. Also, as for the blades 30a, 30b of the rotary bodies 27, 27, the upper face is formed as the circular arc face 31 for receiving the PACHINKO ball, and also, in the lower face, a circular arc- like hollow part 32 whose diameter is roughly equal to the diameter of the PACHINKO ball is provided, and also, its tip part is set so as to face between the PACHINKO ball of the extreme tip and the next PACHINKO ball, when the PACHINKO ball of the extreme tip of the supply passages 21, 21 is received in the circular arc-like hollow part 32.
Patent JP-H05147291-A (JP)
Title: Printer
Inventor: SONE MASAKAZU
IPC: B41J25/312
Filed: 1991-11-28
Abstract: PURPOSE:To provide a printer constituted so that the pressure contact force of a roller to a platen is made changeable at the times of printing and non- printing not only to prevent the cutting inferiority of printing paper at the time of printing but also to allow only rotation obstructing force to act on the platen in a degree possible to neglect at the time of non-printing. CONSTITUTION:In a printer wherein a printing head 12 is provided so as to be displaceable between a pressure contact position and a standby position with respect to a platen 8 and a roller 73 is brought into contact with the platen 8, the pressure contact force of the roller 73 to the platen 8 is made changeable so that it becomes strong at the standby position of the printing head 12 and weak at the pressure contact position thereof.
Patent JP-2000140111-A (JP)
Title: Syringe assembly and its assembly method
Inventor: MAHURKAR D SAKHARAM
IPC: A61M5/50
Filed: 1999-11-04
Abstract: PROBLEM TO BE SOLVED: To provide a safe syringe assembly. SOLUTION: The single-use safety syringe assembly is a barrel which is a slender, substantially cylindrical barrel 10 and forms a hollow nozzle 15 existing at the terminal of this barrel 10 and opening into the barrel. A plunger 11 is mounted in the barrel 10 and forms a longitudinal cavity 33. A needle holder 14 carries a hollow needle 13 at its terminal and is freely slidably mounted in the longitudinal cavity of the plunger. A biasing structure 300 presses the needle holder to suck a direction where the needle is withdrawn into the barrel. A releasable latch structure 308, however, holds the needle holder against the pressing of this biasing structure to a position where the needle projects from the barrel. In the assembly procedure in the barrel, the element of the syringe is gradually inserted into the barrel and the assembly is execute by pushing the plunger.  A catheter of OTN type is also usable in combination with the syringe assembly.
Patent JP-2001136294-A (JP)
Title: Automatic meter reading system
Inventor: TSUCHIDA YASUHIDE
IPC: H04Q9/00
Filed: 1999-11-05
Abstract: PROBLEM TO BE SOLVED: To provide an automatic meter reading system which can increase the substantial distance of a radio channel that is set between a master station and a slave station. SOLUTION: An automatic meter reading system S1 includes a master station 4 which can communicate with a head station 1 via a public network 2, the slave stations 5a-5c which communicate with the station 4 via the radio channels and the meter devices 7 which can communicate with the stations 5a-5c via the wired channels 6. When the station 1 transmits the request data to the devices 7 via the stations 4 and 5a-5c, the answer data can be sent to the station 1 from the devices 7 via the cannels 5a-5c and 4. In such a constitution of the system S1, the stations 5a-5c serve as the relay stations to perform the relay communication of both request and answer data between the stations 4 and 5c.
Patent JP-S63166049-A (JP)
Title: Production of optical recording medium
Inventor: KANO NOBUHIKO
IPC: G11B7/26
Filed: 1986-12-26
Abstract: PURPOSE:To prevent infiltration of air bubbles into adhesive layers by subjecting one or both of the sticking sides of two sheets of substrates to a plasma treatment, then sticking the substrates by means of an adhesive agent. CONSTITUTION:A UV curing type adhesive agent 5 of a radical reaction type is coated on the polycarbonate substrates 6 each having an information recording part on the sticking surface side and 1.2mm thickness and after the substrates are stuck to each other by a vacuum sticking device, the adhesive agent is completely cured by a UV exposing machine. The intrusion of the air bubbles into the adhesive agent is thereby entirely prevented; in addition, the plasma-treated medium prevents the intrusion of the air bubbles therein even in sticking of the substrates which are storaged under vacuum for a long period time.
Patent JP-H09156101-A (JP)
Title: Ink jet recording method
Inventor: HAMAFUKU YUKINORI
IPC: B41J2/05
Filed: 1995-12-04
Abstract: PROBLEM TO BE SOLVED: To suppress an increase in the vol. of boiling air bubbles caused by the wear of an electrode by controlling the voltage applied across a pair of electrodes boiling ink and emitting the ink by the pressure of boiling air bubbles so as to gradually raise the same according to the time from the start of the supply of a current. SOLUTION: An ink jet head has a nozzle plate having a large number of nozzles 2 bored therein, a substrate 4 provided with signal electrodes 5a, 5b and an insulating member 6 and pressure chambers 7 and ink passages 8 are formed to the ink jet head. A current is supplied to the ink in the pressure chambers 7 by a pair of the electrodes 5a, 5b and the ink is boiled by Joule heat generated at this time and emitted from the nozzles 2 by the pressure of boiling air bubbles to perform printing. In this case, when the voltage applied across the electrodes 5a, 5b for emitting ink once is set to V1 at a time of the start of current supply and set to V2 at a time of the completion of current supply, the relation of V1<Ve is set. By this constitution, an increase in the vol. of boiling air bubbles accompaning the wear of the electrodes is suppressed.
Patent JP-2000142334-A (JP)
Title: Sheet for vehicle body repair work
Inventor: KAMIGAKI TAKEO
IPC: B60S5/00
Filed: 1998-11-05
Abstract: PROBLEM TO BE SOLVED: To repair the damaged place of an outer panel of a vehicle positively in a short time. SOLUTION: A sheet 50 for repairing the damaged panel of a vehicle body has points 10 dispersed with the center part as a origin, and borderlines 31, 32, 33, 34 dividing the respective points 10 stepwise in a plurality of areas outward from the center part. Each point 10 indicates a pull-out work position, and the respective areas 21, 22, 23, 24 divided by the borderlines 31, 32, 33, 34 indicate order for pull-out work.
Patent JP-H09158301-A (JP)
Title: Side-gutter block and its manufacture
Inventor: WATANABE TOSHIO
IPC: E03F5/04
Filed: 1995-12-04
Abstract: PROBLEM TO BE SOLVED: To provide a side-gutter block, which can be manufactured by forms for producing a general side-gutter block and in which the upper end faces of upright section are narrowed, and manufacture thereof by a simple structure and a method. SOLUTION: This side-gutter block 100 has a base section 11 and side wall sections 12 constituting a side-gutter 13 and upright sections 22 rising from the side ends of the base surfaces 21 of a side-gutter cover. The side-gutter block 100 has a block body 10 being formed of concrete and configuring the base section 11 and the side wall sections 12 and cover receiving members 20 being formed apart from the block body 10 while being unified with the upper end faces of the side wall sections 12 of the block body 10 and organizing the base surfaces 21 and the upright sections 22.
Patent JP-H07170602-A (JP)
Title: Electric vehicle
Inventor: HAGIWARA KEIZO
IPC: B60L11/18
Filed: 1993-12-15
Abstract: PURPOSE:To prevent an electric short-circuit, an electric shock by detecting an emergency to a vehicle body, and applying an OFF signal to a main contact when an emergency detection signal is output. CONSTITUTION:When an emergency such as an accident occurs, an acceleration detector 6 or/and an inclination detector 7 detects its emergency, and a discriminator 8 outputs an OFF signal to a main contactor 3. The contactor 3 is opened upon reception of the signal to stop supply of electric energy to a load (inverter) 4. A sub-contact 2 for frequently disconnecting or connecting between a plurality of batteries 1 is opened by delaying a predetermined time from the disconnecting or connecting operation of the contact 3 by a time delay circuit 10, and application of electric energy of a high voltage while the plurality of batteries 1 are connected in series to a conductive unit is eliminated. Thus, a danger at the time of an electric short-circuit, an electric shock can be obviated.
Patent JP-S63168484-A (JP)
Title: Heat generating material
Inventor: YASHIRO TSUTOMU
IPC: A61F7/08
Filed: 1986-12-29
Abstract: PURPOSE:To facilitate the adjustment of the progress of an exothermic reaction and to widen the range of application of a heat generating material, by covering the surface of particles of an oxidizable substance undergoing an exothermic reaction through oxidation with a resin to form a heat generating material. CONSTITUTION:This heat generating material has a constitution in which the surface of particles of an oxidizable substance undergoing an exothermic reaction through oxidation is covered with a resin. As the covering resin, a synthetic resin, such as a polyurethane, a polyester, a phenolic resin, gum arabic, gelatin or methylcellulose, or a natural resin can be suitably used. Before the oxidizable substance particles are covered with the resin, it is preferable that the particles are granulated so that a plurality of the oxidizable substance particles 1 are present within one covering film 2, or appropriate spaces 3 are present among the particles 1 of the oxidizable substance within the covering film 2, in order to facilitate the breakage of the covering film by a suitable external pressure.
Patent JP-H02159358-A (JP)
Title: Production of molding by thermal spraying
Inventor: NASU TOSHIYUKI
IPC: C23C4/00
Filed: 1988-12-14
Abstract: PURPOSE:To easily produce the high-quality thermally sprayed molding at low cost by thermally spraying a molding material onto the film of a release agent formed on the surface of a mold consisting of a porous material, then penetrating a solvent into the mold and dissolving away the release agent. CONSTITUTION:The mold 1 having the outside shape of the prescribed shape coinciding with the inside surface shape, etc., of a crucible and a hollow part 1a is formed of the porous material, such as porous ceramics. The film 2 of the release agent, such as sodium chloride, is formed on the surface of the mold 1 by a method for preheating the mold, applying an aq. saturated salt soln. on the surface thereof and evaporating the moisture. The thermally spraying material, such as molybdenum, is thermally sprayed onto the surface of this film 2 to form the molding 3 to a prescribed thickness. After the molding 3 is cooled, the solvent 4, such as water or the like, which can dissolve the film 2 of the above-mentioned release agent is injected into the hollow part 1a. This solvent 4 penetrates into the mold 1 and further leaches out thereof to dissolve away the film 2 of the release agent. A spacing is formed between the mold 1 and the molding 3 in this way, by which both are easily separated and the molding 3 of the crucible made of the molybdenum, etc., is obtd.