baber/WOPTO huggingface dataset:
Patent JP-H07138969-A (JP)
Title: Method of constructing retaining wall and the like
Inventor: TAKAHASHI DAISUKE
IPC: E02D29/02
Filed: 1993-11-19
Abstract: PURPOSE:To shorten a construction period of various kinds of retaining wall construction works or river revetment works, and at the same time, protect a multi-scene and environment by making retaining wall itself have permeability and to stabilize earth pressure. CONSTITUTION:Installing stone veneer wall surface bodies having specific size arranging natural stones 3 on one side or both sides of each of block main bodies 2 are manufactured at a plant in advance, connection bars 7 are erected at specific pitches after the foundation concrete 6 is placed on the ground in a site, adjusted mortar 8 is placed on the foundation concrete 6, and the installing stone veneer wall surface bodies are so arranged that the connection bars 7 are positioned in connection holes 9 formed in boundary surfaces of the installing stone veneer wall surface bodies. Mortar is poured into the connection holes 9 and is dried and solidified together with the adjusted mortar to construct a self-supporting retaining wall. Similarly, the installing stone veneer wall surface bodies are used to construct a retaining wall along slopes of a river, etc. Water permeable concrete is used as the block main bodies.
Patent JP-S63168439-A (JP)
Title: Epoxy resin composition for laminated sheet
Inventor: TANAKA YASUNORI
IPC: B32B17/04
Filed: 1986-12-27
Abstract: PURPOSE:To obtain the title composition excellent in flame retardancy, discoloration resistance, etc., by mixing an epoxy resin prepared by mixing a nonbrominated bisphenol A diglycidyl ether with a brominated bisphenol A diglycidyl ether with a curing agent and a specified amount of aluminum hydroxide. CONSTITUTION:40-90wt.% nonbrominated bisphenol A diglycidyl ether (A) of an epoxy equivalent of 200-700 is mixed with 60-10wt.% brominated bisphenol A diglycidyl ether (B) of a degree of bromination of 19-50wt.% and an epoxy equivalent of 300-800. The obtained epoxy resin is mixed with a curing agent (e.g., dicyandiamide) and 50-100pts.wt., per 100pts.wt. total of the epoxy resin and the curing agent, aluminum hydroxide to obtain the purpose epoxy resin composition for laminated sheet. In this way, the discoloration resistance or the composition can be improved because the amount of component B is reduced, and a decrease in flame retardancy is supplemented by aluminum hydroxide.
Patent JP-H02157807-A (JP)
Title: Lens fitting mechanism
Inventor: OGATA SHIRO
IPC: G02B7/02
Filed: 1988-12-12
Abstract: PURPOSE:To reduce the number of components, to facilitate positioning regulation and to miniaturize the whole structure by directly screwing a lens, where a male screw is formed on the external edge surface, to a cylindrical body where a female screw is provided on the internal surface, and positioning and fixing the lens. CONSTITUTION:On the external edge surface of a circular Fresnel lens 1, which is used for a semiconductor laser light source device and consists of, for example, a resin material, a male screw 1a is formed while a prescribed setting condition such as a pitch and a lead angle are being satisfied. On the other hand, a female screw 2a corresponding to the male screw 1a is notched for the prescribed length from an aperture part on the internal surface of a package 2 to be the cylindrical body of the lens. Thus, the lens 1 is screw-linked to the package 2, the focal position for a semiconductor laser element 3 is regulated, and then it is fixed. In addition, when the fixed position of the lens 1 is shifted, light emitted through the lens can be made convergent at a finite focal distance as well.
Patent JP-H07143772-A (JP)
Title: Ultrasonic actuator
Inventor: ASHIZAWA TAKATOSHI
IPC: H02N2/00
Filed: 1993-11-19
Abstract: PURPOSE:To enhance driving power and efficiency by a structure wherein an elastic body has a plurality of joint faces and at least one joint face intersects a driving face at an acute or obtuse angle or extends in parallel with different width. CONSTITUTION:The stator 1 of an ultrasonic actuator comprises an elastic body 11 and a piezoelectric 12 comprising five groups of piezoelectrics 12-1, 12-2, 12-3, 12-4, 12-5 being excited by a driving signal. The elastic body 11 has triangular cross-section defined by two linear parts and two arched parts. Five groups of piezoelectrics 12-1, 12-2, 12-3, 12-4, 12-5 are coupled, respectively, with five planes 11b, 11c, 11d, 11e, 11f among six planes 11a-11f at the linear part except one driving plane 11a so that the oscillation of each piezoelectric body 12 produces a traveling wave on the driving plane. This structure increases the joint area for fixed volume of elastic body to enhance oscillation of the elastic body thus enhancing the driving power and efficiency.
Patent JP-2000149671-A (JP)
Title: Water cut-off tape and its manufacture
Inventor: WATANABE HIROSHI
IPC: B32B7/02
Filed: 1998-11-05
Abstract: PROBLEM TO BE SOLVED: To provide a out-off tape having little amount of water absorption fallout of a water-absorbing resin and high coefficient of expansion (thickness increasing coefficient) and capable of displaying an excellent cut-off effect at a gap between a shut-off layer constituting an insulating power cable and metal sheath being of corrugate shaped in vertical section. SOLUTION: A cut-off tape 10 includes a water-absorbing resin within a foundation cloth which is made semiconductive. In this cut-off tape 10, a surface of fiber 11 constituting the semiconductive cloth is covered with the water- absorbing resin. A manufacturing method of the cut-off tape 10 includes a process of preparing the water-absorbing resin by cross-linking a water-soluble resin after including the water-soluble resin into the made semiconductive cloth.
Patent JP-H11131804-A (JP)
Title: Method for suppressing carbonation of lightweight concrete
Inventor: SHIODA HIROYUKI
IPC: C04B111/40
Filed: 1997-10-29
Abstract: PROBLEM TO BE SOLVED: To provide a method for suppressing carbonation of lightweight concrete having satisfactory working property with a light weight and excellent in appearance and strength by mixing a lightweight aggregate dried with a percentage of water absorption of a prescribed value or less, cement, a water reducing agent and water. SOLUTION: A lightweight aggregate dried in absolute dry condition or with a percentage of water absorption of 50% or less, cement, a water reducing agent and water are mixed together to suppress carbonation. As the cement, alumina cement, general Portland cement, fly ash cement or the like is used, and as the water reducing agent, polycarboxylic acid is used. As the lightweight aggregate, natural lightweight aggregate is used, and an artificial lightweight aggregate may be used together. The specific gravity of the lightweight aggregate is set to less than 1, and the ratio of water to cement is preferably set to 50% or less, particularly, 20-50%. Other admixtures may be blended. The materials are put in a mixer followed by kneading. proportioning water and the water reducing agent are put thereto to perform a main kneading, and the resulting mixture is placed in a form.  Thus, carbonation is suppressed to improve the durability, and the working property can be enhanced with a light weight.
Patent JP-S63166605-A (JP)
Title: Radial tire for heavy vehicle
Inventor: KONO SHOJI
IPC: B60C11/01
Filed: 1986-12-27
Abstract: PURPOSE:To restrain exfoliation between plies and rubber exfoliation of a belt layer, in the captioned tire for bus and so forth, by forming a continuous recession groove in the tire circumferential direction between the specific part on the buttress part surface and the curve change point of a side wall part. CONSTITUTION:The intersection P2 of a hypothetical arc 7 in the tire rotational axis direction which passes the groove bottom 8a of a tread groove and is parallel the surface of a tread part 5 and the surface of a buttress part 6 is found out. And between this point P2 and the curve change point Fl of a side wall part, a recession groove 9 which is continuous in the tire circumferential direction and whose groove bottom 9a is in the shape of the concentric circle with the surface of the buttress part 6 is formed. Also, the depth of this recession groove 9 is set less than approximately 5 mm, and the length L at approximately 5 to 30 mm. By this constitution, temperature rise and stress concentration of rubber, at the both ends of the belt layer 4 is reduced and eased, and exfoliation between plies and rubber exfoliation of the belt layer can be restrained.
Patent JP-H06159517-A (JP)
Title: Combustion gas sealing structure of internal combustion engine
Inventor: NAKAI MASANORI
IPC: F16J15/14
Filed: 1992-11-25
Abstract: PURPOSE:To prevent corrosion of a gasket packing and a sealing surface of a part in contact with it and to prevent occurrence of gas leakage. CONSTITUTION:On an upper part of a cylinder of an internal combustion engine, a gas sealing part is constituted of a cylinder liner 1, a gasket packing 2 and a cylinder head 3, on the upper end of the cylinder liner 1, an internally fit circumferential projection 1b is constituted, inside of an externally fit circumferential projection 3a on the side of the cylinder head 3, the internally fit circumferential projection 1b is fit with a faucet, and on a circumferential sealing surface 1 constituted on the upper surface of a circumferential collar 1c projected to the outer periphery of the cylinder liner 1, the gasket packing 2 and the externally fit circumferential projection 3a are placed. On a rising part of the internally fit circumferential projection 1b, a circumferential groove 1a is constituted, and in a space constituted of the circumferential groove 1a, the inner periphery of the gasket packing 2, the inner periphery of the externally fit circumferential projection 3a and the outer peripheral surface of the internally fit circumferential projection 1b, a liquid gasketing agent is filled.
Patent JP-H01156426-A (JP)
Title: Manufacture of directional magnetic steel plate having low iron loss
Inventor: IDE SATORU
IPC: H01F1/16
Filed: 1987-12-12
Abstract: PURPOSE:To stably manufacture the title steel plate by forming compressive linear strains at specific intervals only by vertical loads by a press or the plate surface of the directional electromagnetic steel plate and annealing. CONSTITUTION:The directional magnetic steel plate S subjected to finish annealing by a feed roll 7 is passed to the main body 1 of the press and the plate surface is provided with the loads vertical thereto by the high-speed movement of a forwardly or backwardly driving apparatus 3 in the use of plural projected teeth 2 to form compressive linear strains 8. At this time, the intervals of the strains 8 are regulated to 1-30mm, the direction in the strains 8 is regulated to about 90-45 deg. against the rolling direction, its width is regulated to about 10-300mu and the loads to be applied are preferably regulated to about 3-20kg/mm. By this method, the compressive linear strains 8 can uniformly be formed over the whole of the plate width; and when annealed at about >=750 deg.C, newly recrystallized grains are generated in the direction of the plate thickness onto the strain part 8-1 and the fining of its magnetic domain is executed. In this way, the directional magnetic steel plate S having low iron loss is stably manufactured at low cost.
Patent JP-H09131412-A (JP)
Title: Multi-split spot device for radiotherapeutic apparatus
Inventor: MIYANO IWAO
IPC: A61N5/10
Filed: 1995-11-09
Abstract: PROBLEM TO BE SOLVED: To lower manufacturing costs significantly by consolidating the shape of spot blocks to improve a load support means of the spot blocks in a radiotherapeutic apparatus. SOLUTION: In a multi-split spot device which moves parallel within a plane vertical to the center axis of a irradiation field, spot blocks 21 with the identical shape in which the inclined surface in the side direction faces a radiation source are arranged closely in a cylinder centered on the radiation source. The spot blocks are each provided with a V-shaped groove and a roller 5 to be fitted thereinto is arranged on a load support shaft 6 using a spacer 7. Thus, the use of the spot blocks 21 with the same shape allows significantly lowering of production costs of the spot blocks as compared with the case of combining multi-kinds of spot blocks.
Patent JP-H07170673-A (JP)
Title: Overdischarge prevention circuit
Inventor: FUJII TATSUO
IPC: H02J7/34
Filed: 1993-12-15
Abstract: PURPOSE:To provide an overdischarge prevention circuit which can avoid an operation failure region where the switching of a switcher is repeated due to the overdischarge prevention operation and can completely prevent overdischarge. CONSTITUTION:A charge current is supplied from a power supply circuit 1 to a battery 3 via a charge circuit part 2. A current is supplied from the battery 3 to a load 7 via a switcher 5. A detection part 4 compares a voltage VL applied to the load 7 with a set voltage Vr and the switching of the switcher 5 is controlled by the detection output of the detection part 4. A current is supplied from the battery 3 to the load 7 via the switcher 5 in power failure but the switcher 5 is turned into open circuit in the case of VL<Vr and no current is supplied from the battery 3 to the load 7, thus preventing the overdischarge of the battery 3. In this case, since the detection part 4 is also cut from the battery 3, there is no need for repeated switching of the switcher 5 due to the increase in the battery voltage in unloaded state and no microcurrent flows from the battery 3 to the detection part 4, thus completely preventing the overdischarge of the battery 3.
Patent JP-H09154577-A (JP)
Title: Enzyme adsorbent
Inventor: HATTORI MASAYUKI
IPC: C12Q1/68
Filed: 1995-12-04
Abstract: PROBLEM TO BE SOLVED: To obtain an enzyme adsorbent, comprising a copolymer, insolubilized simply by regulating the pH, separable and recoverable and good in heat resistance by copolymerizing a monomeric mixture containing a carboxyl group- containing vinyl monomer and an aldehyde group-containing monomer. SOLUTION: This enzyme adsorbent is obtained by dissolving a monomer mixture prepared by mixing 15-95wt.% carboxyl group-containing monomer (e.g. acrylic acid) with 2-80wt.% aldehyde group-containing monomer (e.g. acrolein) in a solvent such as methanol, adding azobisisobutyronitrile, etc., as a polymerization initiator thereto, copolymerizing the resultant mixture at 70 deg.C for 20hr, then adding an aqueous solution of sodium hydroxide thereto, removing the methanol and residual monomers by vacuum distillation and subsequently regulating the pH to 7. The resultant enzyme adsorbent is capable of selectively adsorbing the enzyme from a solution containing nucleic acid and the enzyme and insolubilized simply by controlling the pH, readily separated and recovered and excellent in heat resistance.
Patent JP-2000149756-A (JP)
Title: Over-current tripping device for circuit breaker
Inventor: KAKISAKO HIROYUKI
IPC: H01H71/40
Filed: 1998-11-05
Abstract: PROBLEM TO BE SOLVED: To provide an over-current tripping device for a circuit breaker, which is easy in assembly, small in size, and low in cost. SOLUTION: A heater member 20 is formed of a plate-like clad material made by sticking a ferromagnetic material 20a and a good conductor 20b together, and by disposing the good conductor 20b side opposite to an armature 7, the heater member 20 of the plate-like clad material is adapted to act as a heater while the ferromagnetic material 20a to work as a yoke for a magnetic circuit.
Patent JP-H01167051-A (JP)
Title: Can-like container lid by injection molding
Inventor: SATO KAZUNORI
IPC: B65D17/347
Filed: 1987-12-15
Abstract: PURPOSE:To improve the easiness of can opening and the impact resistance of a handling portion on can dropping, by pulling up a handle portion on the exposed portion (notched portion) of the surface of a multiple layer base material of a lid body to cut off the lid along the inner peripheral edge. CONSTITUTION:A lid body 13 having a circular portion 13A of a handle portion 12 and a strip-like portion 13B is formed on the upper surface of a bottom portion 3 of a multiple layer base material 2' constituting a lid 1. A flange portion 5 of the multiple layer base material 2' is formed continuously extending from the strip-like portion 13B and a strip-like joining portion 14 on the surface of peripheral wall portion 4. A strip-like projection portion 17 provided with a circular end 16 having a finger inserting hole 15 is formed continuously extending from the joining portion 14. When pulling the projection portion 17 toward oneself and then upward with the finger inserted through the hole 15, two strip-like notches 19, one provided at each side of the joining portion 14 constituting a part of both the flange portion 5 and the handle portion 12 of the peripheral wall portion 4, are cut off successively and a notch portion 18 on the bottom portion is then cut off, thereby making the opening of the lid 1 possible. Also, the extension of the handle portion exteriorly of the flanged portion leads to the improved impact resistance on can opening.
Patent JP-H11152571-A (JP)
Title: Liquid material vaporizer
Inventor: YOSHIOKA NAOMI
IPC: C23C16/44
Filed: 1997-11-17
Abstract: PROBLEM TO BE SOLVED: To suppress the wear of a sliding part of a plunger pump for delivering the fixed volume of a liquid material to a vaporizer while maintaining corrosion resistance so as to prolong the service life and maintenance and facilitate management by using PTFE mixed with carbon in a fibrous form as a sealing material in the sliding part. SOLUTION: A plunger 1 which is held sealed by a plunger seal 2 is put into and out of a pump chamber 4 bored at a pump head 5 by sliding in an arrow direction to vaporize the fixed volume of the liquid material contg. a volatile org. metal compd. of a thin-film material and to supply the vapor thereof to the vaporizer via a liquid inlet and outlet 6, 7 having check valves 8, 9. The PTFE prepd. by incorporating the carbon in the fibrous form therein is used as the sealing material of the sliding part 1a of the plunger seal 2 of the plunger pump described above. As a result, the carbon is mingled in the PTFE which is a base material having the excellent corrosion resistance in the state of entangling therewith.  The dislodgment of the sealing material does not arise in spite of sliding and the wear resistance and lubricity of the plunger seal 2 are improved, by which the life is prolonged.
Patent JP-2001136355-A (JP)
Title: Facsimile equipment and digital composite device
Inventor: YAMAMOTO RYOJI
IPC: H04N1/00
Filed: 1999-11-05
Abstract: PROBLEM TO BE SOLVED: To reduce manual operation, to improve operability and to efficiently execute transmission by simple communication file control. SOLUTION: A digital composite device, which is provided with FAX controller 506 for executing the transmission and reception management and file management of facsimile in addition to a main controller 501 for controlling various kinds of function means concerning image forming and has a facsimile function is provided with an each opposite side information managing device 700 for managing picture processing information of transmitted/received data in accordance with the opposite party of a destination table and has a function for automatically registering and updating the picture processing information.
Patent JP-H04185190-A (JP)
Title: Multi-medium communication terminal equipment
Inventor: HANDA SHUNJI
IPC: H04N7/173
Filed: 1990-11-20
Abstract: PURPOSE:To reduce the scale of the above terminal equipment and to utilized lots of information by providing an RS-232C or a standard interface of a personal computer as an interface. CONSTITUTION:A host processor 1 consists of a CPU and a ROM or the like, and a program to control the entire system is included in the ROM and implements control of each I/F or each memory for command information, status information or data transmission reception for controlling a picture processing processor 2 being a picture processing means, a voice CODEC 5, a tablet and stylus pen 6 or the like. Then the picture processing processor 2 implements coding processing of a picture data such as a color still picture or a binary picture fetched via an RS232C interface 7 or the control of the content to be displayed on a display device 8. Thus, lots of information is accessed with a small hardware scale.
Patent JP-H11196623-A (JP)
Title: Seedling feeder
Inventor: SASAKI TAKASHI
IPC: A01C11/02
Filed: 1998-11-06
Abstract: PROBLEM TO BE SOLVED: To provide a seedling feeder designed to carry and feed seedlings through turning them for the purpose of their treatment under slight damage of the belts and guide rails. SOLUTION: This seedling feeder has such a mechanism that a pair of belts 21, 22 are bent and turned in two directions, i.e., the direction of revolutional plane and the direction rectangular thereto, both travel sides of a pair of the belts 21 and 22 are provided with guide rails 31 and 33 corresponding to the bending of these belts to allow the belts to travel slidingly, and there are also provided respective guide rollers 36 and 38 for the belts 21 and 22 on the inner sides of the bending in the direction of revolutional plane of the belts 21 and 22.
Patent JP-H02159725-A (JP)
Title: Manufacture of semiconductor device
Inventor: TANIGUCHI AKIHISA
IPC: H01L29/732
Filed: 1988-12-14
Abstract: PURPOSE:To enhance the high-frequency characteristics by a method wherein low concentration impurity is diffused or ion-implanted in protrusions and recessions to form base regions; high concentration impurity is diffused or ion-implanted in the protrusions to form emitter regions: while base regions immediately below the emitter regions are shallowly formed. CONSTITUTION:An epitaxial layer 2 such as silicon etc., is formed on a subwafer 1 such as silicon, etc., and then an oxide film 5a is formed on the layer 2. Then, the oxide film 5a above a base part is removed by photolithography while another oxide film 5b is newly formed on the layer 2 and then the epitaxial layer 2 is isotropically dry-etched using the side film 5b as a mask. Next, protrusions and recessions are formed on the surface of the layer 2 by removing the while surface of the oxide film 5b. Then, low concentration impurity is diffused or ion-implanted in the protrusions and recessions to form base regions 3; and high concentration impurity is diffused or ion-implanted in the protrusions only to form emitter regions 4; while base regions 3 immediately below the emitter regions and shallowly formed. Through these procedures, the operation frequency ftau as well as the high-frequency characteristics can be enhanced.
Patent JP-H06146172-A (JP)
Title: Method for antistatic water repellent antifouling processing of textile fabric
Inventor: OTA YASUSHI
IPC: D06M15/256
Filed: 1992-10-30
Abstract: PURPOSE:To provided a method for processing in which water repellency, antifouling and antistatic properties are simultaneously imparted to a textile fabric. CONSTITUTION:A treating liquid containing a fluorine-based resin finishing agent, a water-soluble cellulosic derivative and a polyethylene glycol derivative is applied to a textile fabric to carry out the drying and heat treatment.