baber/WOPTO huggingface dataset:
Patent JP-2000153336-A (JP)
Title: Production of steering rack
Inventor: MORIOKA YOSHITAKA
IPC: B21J1/06
Filed: 1998-11-16
Abstract: PROBLEM TO BE SOLVED: To conduct forging in one cycle and to eliminate deburring by forging by using a fully enclosed die formed so as to absorb flowing-out of a stock due to plastic deformation corresponding to a steering rack shape to be formed after the stock is heated to a temp. suitable for warm forging. SOLUTION: A lower die 4 is constituted so that a groove shaped stock accommodation part 40 to shape the outer circumference of a steering rack is formed in the longitudinal direction and a flowing-out absorption part 41 to absorb flowing-out of a stock due to plastic deformation is formed to a prescribed position of the stock accommodation part 40. The flowing-out absorption part 41 is formed in conforming to a tooth form formed by an upper die, i.e., corresponding to the recessed part having a rack tooth form, in aligning to the position where plastic deformation of the stock is generated and in a different shape. The flowing-out absorption part 41 is formed to three stage recessed parts 42, 43, 44 having different height of bottom faces.  By this method, flowing-out of the stock due to plastic deformation is surely absorbed to prevent plastic change in the peripheral direction from generating burrs.
Patent JP-H02169370-A (JP)
Title: Power steering system
Inventor: MOMIYAMA FUJIO
IPC: B62D5/18
Filed: 1988-12-23
Abstract: PURPOSE:To make the mounted position of an engine alterable by transmitting a steering force generated by a booster to a symmetrical pair of front wheels via a link rod at the side of a symmerical pair of boosters, a rocking link and a link rod at the front-wheel side respectively. CONSTITUTION:When a steering wheel 13 is rotated in the specified direction at turning of a vehicle, a power steering system 10 operates. In brief, a control valve 12 is operated via a steering shaft 14, while a booster 11 generates a steering force in the specified direction. If so, this steering force in the specified direction is transmitted to link rods 15, 15 at the side of a symmetrical pair of boosters, each of rocking links 17, 18 and each of front-wheel side link rods 19, 20 in consecutive order, and thereby these elements are moved either side in both directions respectively. In consequence, each of symmetrically paired front wheels 69, 70 is steered in the specified direction via each of symmetrically paired steering arms 67, 68.
Patent JP-2001141336-A (JP)
Title: Motor expansion valve
Inventor: SATO TOSHIKAZU
IPC: F25B39/02
Filed: 1999-11-16
Abstract: PROBLEM TO BE SOLVED: To solve the problem of a motor expansion valve in refrigeration cycle for controlling the flow rate of refrigerant by delivering a specified pulse signal to a coil 4 secured to the outer circumference of a case 1 thereby driving a spindle pin 2 provided in the core of the case 1 that the degree of freedom of piping is low, the structure is intricate, assembling workability is low when a high assembling accuracy is required, and the manufacturing cost is high. SOLUTION: A valve body 10 having a throttle section 12 engaging with the forward end part of a spindle pin 2 at a lower position of a flow through space 11 for containing the lower half section of the spindle pin 2 is provided integrally on the lower surface of a case 1 to form an expansion valve body. An externally threaded part 15 is formed on the outer circumferential surface of the valve body 10 and an internally threaded part 25 mating with the externally threaded part 15 is formed on the inner circumferential surface of a body 20 having a recess 21 interconnecting refrigerant inlet and outlet holes 22, 23 and then the valve body 10 is screwed into the recess 21 of the body 20.
Patent JP-H10157141-A (JP)
Title: Ink jet head and manufacture thereof
Inventor: TERAI HARUHIKO
IPC: B41J2/135
Filed: 1996-12-05
Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing an ink jet head in which a water repellent part and a hydrophilic part can be formed on a jet port forming face without generating any step at a boundary. SOLUTION: The ink jet head comprises an jet port forming face 9 including ink jet ports, and a water repellent region 10 formed on the periphery of the ink jet port in the jet port forming face. The surface of different irregularities formed on the jet port forming face 9 is then subjected to water repellent treatment. Subsequently, the upper layer of the water repellent region 10 formed through water repellent treatment is removed to expose the irregular part of the jet port forming face 9 thus forming a hydrophilic part in same plane as the water repellent region 10.
Patent JP-H09167358-A (JP)
Title: Track jump controller for optical recording and reproducing device
Inventor: ISHII JUNICHI
IPC: G11B11/105
Filed: 1995-12-14
Abstract: PROBLEM TO BE SOLVED: To perform a constant servo setting to a desired track position by restricting the level of the tracking error signal at the time of ending a track jump low even with respect to the dispersion and the change with time of characteristics of circuit system and an external disturbance, etc., even in an optical disk device of land/groove recording systems. SOLUTION: A pulse counting circuit 114 performs countings by detecting a tracking error signal TE and the zero-cross of the differential signal of the TE and detects the changeover timing of track jump pulses by the count value to output braking pulses. A track jump pulse control circuit 109 controls the braking pulses to be outputted to a tracking actuator 106 by using the moved distance L and the moveing velocity V of a light beam and the time T elapsed so as restrict the level of the TE at the time of completing the track jump low. moreover, a polarity inverting circuit 112 inverts the polarity of the TE according to the folow-up position after ending the track jump.
Patent JP-H06171196-A (JP)
Title: Decorative sheet for exterior use and manufacture of the same
Inventor: AMAHARA MASAKAZU
IPC: B32B33/00
Filed: 1992-12-04
Abstract: PURPOSE:To acquire a stable quality and to enable a high, complex design in a simple method by forming a desired pattern and irregularities on the surface layer of a specified emulsion, inorganic powder, and others which is applied on a substrate with a given thickness. CONSTITUTION:A desired pattern layer 5 and irregularities are formed on the surface layer with a thickness of 100-1000mum of an exterior paint 2 prepared from an acrylic emulsion, inorganic powder represented by iron oxide powder, and others which is applied on a substrate 1. To form the above structure, the substrate 1 is coated with the exterior paint 2. In the process in which the coated substrate and a transcription sheet 3 having a desired printing pattern are subjected to thermocompression bonding, transcription, and delamination, the desired irregularities are formed on a transcription roller 6. In this way, the desired pattern and irregularities are formed simultaneously on the exterior paint layer 2 in the process of thermocompression bonding.
Patent JP-H05162024-A (JP)
Title: Wire electric discharge machining device
Inventor: ASANO YOSHINOBU
IPC: B23H7/02
Filed: 1991-12-10
Abstract: PURPOSE:To carry out exciting type locking completely at a preset machining liquid level without any mis-operation by detecting a machining liquid level positively for a rapid change in the machining liquid level due to the rapid discharge of the machining liquid. CONSTITUTION:An ultrasonic wave is sent to the inside of a machining tank 1 from the exterior wall of the machining tank 1 to check if the constant height in the machining tank 1 is liquid or gas, and by an exciting type locking device 5, the door 2 of the machining tank is locked.
Patent JP-H07160320-A (JP)
Title: Mirror imaging method for robot
Inventor: KOSAKA TETSUYA
IPC: G05B19/4093
Filed: 1993-12-01
Abstract: PURPOSE:To obtain mirror imaging which provides a robot wrist attitude that an operator expects. CONSTITUTION:A CPU reads instructions of one block out of a source program (step S1) and finds a matrix representing teaching points P on a mirror coordinate system SIGMAm1 on a coordinate system SIGMAw fixed in a working space (step S3) in the case of a move instruction (step S2). Then 1st mirror image points P' obtained by converting the matrix in symmetry with a mirror plane m1 are found (step S4) and a matrix (P') represented on the SIGMAw is calculated (step S5). Further, a mirror coordinate system SIGMAm2 viewed from a face plate coordinate system SIGMAr, and matrixes (M2) and (T) representing TCP are used to fined (M2)<-1>(P'), and plane symmetrical conversion about a mirror surface m2 is performed to find a matrix (T') representing 2nd mirror image points P''. This is utilized to find (P'') representing the 2nd mirror image points P'' on the coordinate system SIGMAw, and the matrix is stored in a memory (steps S6-S7). The above processes and the processes of the steps S8 and S9 are repeated a specific number of times to generate and store a program as a mirror image of the source program.
Patent JP-H04205730-A (JP)
Title: Optical disk device
Inventor: WACHI SHIGEAKI
IPC: G11B20/12
Filed: 1990-11-29
Abstract: PURPOSE:To increase the recording capacity of an optical disk by integrating a focus error signals, sample-holding to a sample-hold means, using its output as the focus error signals, thereby performing a focusing servo control. CONSTITUTION:The focus error signals SFOE obtained by scanning the servo area ARS of an optical disk with an optical head are integrated with the integration circuit 41 in a head servo circuit; its output is sample-held in the capacitor 47 of the sample-hold circuit 45, the output is used as the focus error signals SHOUT, and the focusing servo control is performed. Also, in the servo area ARS, a clock information pit QCK is provided on the center position of a track, simultaneously tracking information pits QWB1, QWB2 are provided on N-1 places excluding the center position of the tracking at a position PT/N with a track pitch as PT, and the signal level of signal SHOUT is fixed. Thus, the overhead in the servo area ARS is reduced, and the recording capacity of the optical disk is increased.
Patent JP-H06146532-A (JP)
Title: Joint construction
Inventor: ABE MASAHIKO
IPC: E04B1/684
Filed: 1992-11-10
Abstract: PURPOSE:To display performance capable of passing various kinds of specific examinations with regard to fire resistance, joint strength, construction efficiency, waterproof efficiency, heat insulation efficiency and air tightness of a joint section between walls, etc., in the case composite plates are connected by means of a noncombustible plate provided between packing materials and cores. CONSTITUTION:A noncombustible plate 33 is made to lie on the intermediate section between a male type joint section 34 and a female type joint section 41 of composite plates A having male and female joint construction providing fire resisting cores 31 of phenol foam, etc., between front members 1 and rear members 16 of thin metal plates. Special packing materials C1, C2 and C3 are made to lie on necessary elements of the joint section between the composite plates A, and various kinds of properties of the joint section are promoted.
Patent JP-H07194628-A (JP)
Title: Tooth form articulator
Inventor: UESUTODEITSUKU MAIKERU ARAN
IPC: A61C11/00
Filed: 1993-11-30
Abstract: PURPOSE: To provide a tooth form articulator that can form a tooth form speedily by attaching a hinge mechanism with an engaging part complementary to the engaging part of a connector to each of two hinge pieces connected to each other rotatable around the connecting part. CONSTITUTION: This articulator 10 consists of a hinge mechanism 12, a pair of connectors 14, a pair of connecting devices and a pair of frames 18, and hinge pieces 22 are formed in the hinge mechanism 12. The hinge pieces 22 are made of flexible material and are connected by a connecting part 26 made of the same flexible material. A socket 32 with a cylindrical engaging dent 33 is attached at the apex 25 of the triangular hinge piece 22, and an inserting part 36 and a hemispherical socket 38 are attached in the cylindrical base 40 of the connector 14. A connecting body 16 consists of a flat elliptic engaging piece which constitutes a plug 54. A pair of cylindrical shafts 56 protrude symmetrically from both sides of the plug 54, and a spherical inserting part 58 split in two hemispheres by a groove 59 is formed at the top of each shaft 56.
Patent JP-H05156576-A (JP)
Title: Fiber with heat storage ability
Inventor: MAEDA FUTOSHI
IPC: D06M101/16
Filed: 1991-12-10
Abstract: PURPOSE:To provide the subject easily producible fiber of high heat storage ability, prevented from oozing the latent heat storage material therein. CONSTITUTION:The objective fiber 10 is such that a polyethylene layer 2 is formed on the surface of fiber 1 produced by spinning a molten mixture comprising (A) a latent heat storage material and (B) an ethylene-alpha olefin copolymer <=0.925g/cm<3> in density.
Patent JP-H02174169-A (JP)
Title: Manufacture of semiconductor device
Inventor: MAKINO TAKAMI
IPC: H01L21/336
Filed: 1988-12-26
Abstract: PURPOSE:To suppress the punch-through of a semiconductor device without increasing the junction capacitance by forming an area of high-concentrated impurity of one conductive type below a channel area only by ion implantation after forming a film which hardly transmits ions as compared with a gate electrode on the source-drain area. CONSTITUTION:A film 9 of a refractory metal or refractory metal silicide is formed on a source-drain area 8 of the semiconductor device, with the thickness of the film 9 being selected so that ions cannot pass through the film 9, but a gate electrode 3, when the ions of impurity of one conductive type are implanted. As a result, the conductive type impurity of the conductive type is only led into a semiconductor layer 1 of the conductive type below a channel are and an area 10 of highly concentrated impurity of the conductive type is formed. Since the area 10 is formed in such way that the area 10 is brought into contact with the source-drain area 8 of the opposite conductive type at one area near the gate electrode 3 which is effective in suppressing punch- through and separated in most of the other area, the punch-through is suppressed.
Patent JP-H11164242-A (JP)
Title: High-speed reproducing device
Inventor: ICHIKAWA HIROSHI
IPC: G11B5/027
Filed: 1997-11-27
Abstract: PROBLEM TO BE SOLVED: To obtain a natural reproduced image in a high-speed reproduction device that has four heads placed on a cylinder at an angular interval of 90-degree and reproduces video data recorded on a magnetic tape at a high speed. SOLUTION: A tape drive speed by a magnetic tape drive section 2 is set to be a multiple of (M+α)/(2n+1) in the cue operation and to be a multiple of (M-α)/(2n+1) in the review operation, where M is the number of tracks equivalent to one frame, α is a predetermined constant (-0.1M<=a<=0.1M) and n is an integer made than zero. Since the scanning loci of positive azimuth heads 4a, 4c and negative azimuth heads 4b, 4d equivalent to an image at high speed reproduction are close to each other in this way, a time difference of reproducing adjacent areas on the image is reduced and then the quality of the reproduced image at high speed reproduction is improved.
Patent JP-2001137448-A (JP)
Title: Pachinko machine
Inventor: ENOMOTO HIROSHI
IPC: A63F7/02
Filed: 1999-11-17
Abstract: PROBLEM TO BE SOLVED: To provide a pachinko machine for turning the back surface of a game panel to a simple structure by using a winning port provided so as to discharge entered pachinko balls to the front surface side of the game panel. SOLUTION: This pachinko machine is provided with detection switches S1-S4 for detecting the passing of the pachinko balls on a passing port for passing through the pachinko balls hit to the game area 3 of the game panel 2, the plural winning ports 10 provided so as to discharge the pachinko balls passed through the passing port to the front surface side of the game panel 2, a main controller 40 provided with a storage means for storing winning detection signals from the detection switches and a prize ball payout device 33 for paying out the prescribed number of prize balls by prize ball payout command signals from the main controller 40.
Patent JP-2000141573-A (JP)
Title: Polyester biaxially stretched film
Inventor: SUMIYA TAKASHI
IPC: C08L67/02
Filed: 1998-11-17
Abstract: PROBLEM TO BE SOLVED: To provide a composite film capable of using a polyester resin once used in extrusion as a raw material of good quality of a film without disusing and burning the same as industrial waste to sufficiently subject the recovered raw material to practical use. SOLUTION: A composite film has at least two layers of a layer A containing N1 foreign matters with a long diameter of 100 μm or more and a layer B containing N2 foreign matters with a long diameter of 100 μm or more and satisfies formula (l); N1>3 pieces/m2 and formula (2); N1-N2>=3 pieces/m2. The surface roughness ARa of the layer A and the surface roughness BRa of the layer B pref. satisfy formula (3); ARa>BRa and formula (4); ARa>20 nm.
Patent JP-H05131866-A (JP)
Title: Head up display for vehicle
Inventor: OMI TOSHIHIKO
IPC: B60K35/00
Filed: 1991-11-13
Abstract: PURPOSE:To improve the transmittance of a liquid crystal so as to obtain high luminance by providing a combiner glass opposedly on the front face side of a display in such a way that the incident light from the display is reflected at a Brewster's angle. CONSTITUTION:A combiner glass 16 is opposedly provided being inclined in such a direction that the optical axis 17 of linearly polarized light coming in after passing the ON-region of a liquid crystal display 10 is injected as S- polarized light (polarized light vertical to the glass surface) to the combiner glass 16 and that the angle of incidence is to be a Brewster's angle thetaB of P- polarized light (polarized light parallel to the glass surface, 56.5 deg. in the case of glass). The P-polarized light from the liquid crystal display 10 is thereby transmitted, and the S-polarized light is reflected, which results in providing the combiner glass 16 with polarizing function. In the case of a graphic pattern or characters being displayed on the liquid crystal display 10, the graphic pattern or characters are displayed being overlapped with the background transmitted into the combiner glass 16.
Patent JP-2000144209-A (JP)
Title: Free cutting ferrous sintered parts and production thereof
Inventor: YAMANISHI YUJI
IPC: C22C33/02
Filed: 1998-11-17
Abstract: PROBLEM TO BE SOLVED: To remarkably improve the machinability of ferrous sintered parts while the hardness thereof is held to a certain degree. SOLUTION: This free cutting ferrous sintered parts contain at least one kind of, by weight, 0.1 to 1.0% P and 2.0 to 3.0% Si and C, and, as to this free cutting sintered parts, a ferrous compacted body or a temporarily sintered body is coated with an aq. soln. or an alcohol soln. contg. boron, or, after impregnation into pores, sintering is executed, by which they contain boron, and also, the base hardness of the surface part is 150 to 250 Hv.
Patent JP-H01168820-A (JP)
Title: Manufacture of metallic bar plate free from shrinkage
Inventor: TSUJI MASAHIRO
IPC: C21D9/46
Filed: 1987-12-25
Abstract: PURPOSE:To manufacture a metallic bar plate free from shrinkage due to heat in the course of working by subjecting a metallic bar plate for use in the working in which heat is applied to the final stress relief annealing at a temp. higher by a specific temp. than the heat treating temp. at the time of working. CONSTITUTION:In the manufacturing process of a metallic bar plate used for the purposes where heat is applied during a working process, the final stress relief annealing is carried out at a temp. higher by >=50 deg.C than the heat-treating temp. at the time of working under the condition causing no recrystallization phenomenon, by which the working strain of the metallic bar plate is removed and no deteriorations in characteristics such as strength are caused. Since the resulting metallic bar plate is free from shrinkage even if passed through a stage in which heat is applied in the cource of working, high-quality worked parts can be obtained.
Patent JP-H05255337-A (JP)
Title: Pyrrolo(3,2-e)pyriazolo(1,5-a)pyrimidine derivative and circulatory disease therapeutic agent containing the same
IPC: A61P9/10
Filed: 1992-12-07
Abstract: PURPOSE:To provide a new pyrimidine derivative useful as a circulatory disease because of its having excellent vasodilating action, hypertensive action, antihyperlipidemia action, platelet aggregation-inhibiting action, Ca<2+> blocker action, etc., and also having high safety and effect durability. CONSTITUTION:The compound of formula I (R<1> is H, alkyl, alkenyl, alkynyl, cycloalkyl, phenyl or heterocyclic group, any of them may have one or more of substituents; R<2>-R<5> are H, halogen, alkyl which may have a substituent, CN; R<2> and R<3>, R<4> and R<5> are O, excluding the case wherein R<2>-R<5> are simultaneously H) or its salt, e.g. 8-tert-butyl-3-cyano-6,7-dihydro-5,7-dimethyl-8H- pyrrolo[3,2-e]pyrazolo[1,5-a]pyrimidine. The ceramate of formula I-1 can be produced by dehydration-condensing a compound of formula II with a compound of formula III, cleaving the lactone ring into a compound of formula IV-1, halogenating the compound of formula IV-1, and subsequently reacting the produced compound of formula V-1 (X is halogen) with an amine.
Patent JP-H03187343-A (JP)
Title: O/w type emulsion composition for precessing cattle meat
Inventor: OKITA TORU
IPC: A23L13/70
Filed: 1989-12-15
Abstract: PURPOSE:To obtain the subject composition capable of taking in fats rich in flavor of beef tallow and lard in cattle meat with a low fat content and improving tastiness by converting a fat and oil composition containing unrefined beef tallow and lard into an O/W type emulsion. CONSTITUTION:The objective composition obtained by converting a fat and oil composition, containing preferably 10-80wt.% unrefined beef tallow and/or lard and having 60-200hr A.O.M. stability and 16-38 deg.C melting point measured according to the heating method into an O/W type emulsion.
Patent JP-H10171243-A (JP)
Title: Electrophotographic device
Inventor: KATAOKA KAORU
IPC: G03G15/08
Filed: 1996-12-06
Abstract: PROBLEM TO BE SOLVED: To improve print quality by stabilizing an amount of the electrification of developer in an electrophotographic device and ensuring stable development over a long period of time. SOLUTION: In a developing machine 1 used in electrophotography, an amount of toner electrification is controlled by arbitrarily altering the material of members 5 and 5' which contact developer in the machine and an area rate or by altering voltages which are applied to the members 5 and 5'. For example, parts of the wall surface of a development tank 1A are composed of cylindrical bodies 5 and 5' which can be displaced by rotation, a part of the periphery of each cylindrical body faces the tank 1A, a half each cylindrical body is composed of a conductive member 8 and another half the cylindrical body is composed of a nonconductive member 7.