baber/WOPTO huggingface dataset:
Patent JP-2000160509-A (JP)
Title: End mill cutter type working vehicle
Inventor: ICHIYANAGI TAKESHI
IPC: E01C23/00
Filed: 1998-12-01
Abstract: PROBLEM TO BE SOLVED: To provide an end mill type working vehicle of low cost capable of easily automating the circular excavating work or the like having an inclined excavated surface, and even in a narrow place, capable of performing circular excavating work. SOLUTION: In an almost central under part of the vehicle body 6 of a crawler working vehicle 1 self-traveled by traveling wheels 2A, 2B, etc., arranged at four corners of the vehicle body 6, and an end mill cutter 18 having a turning shaft almost vertical to the road surface G is arranged. Accordingly, even in a narrow working place, if there is a space that a working vehicle can enter, the working such as digging, boring, stamping, or the like within the under space of the vehicle body 6 can be easily carried out.
Patent JP-H1169717-A (JP)
Title: Brushless dc motor
Inventor: TEI SEITEN
IPC: F16C17/02
Filed: 1997-12-11
Abstract: PROBLEM TO BE SOLVED: To obtain a brushless DC motor in which a dynamic characteristic is enhanced, by a method wherein a base and a shaft are coupled by a bearing system so as to be rotatable and an idle-movement suppression means is controlled according to the signal of a sensing part in bearing system. SOLUTION: An idle-movement suppression means 19 is installed between the inside wall and the outside wall of a bearing 11 which constitutes a bearing system. The idle-movement suppression means 19 is used in such a way that rotor 17 is not levitated to the axial direction by a centrifugal force in a process in which the rotor 17 is turned. An electromagnet coil 20 which constitutes the idle-movement suppression means 19 is wound, in a definite amount, on a groove 21 which is formed on the bearing 11. When an idle-movement amount due to the levitation of the rotor 17 is sensed by a sensing part 22, the idle-movement suppression means 19 is operated. The sensing part 22 is constituted of an induction coil 23 which is wound on the bearing 11, and an analog PID controller which is called an operational amplifier or the like is used.  Consequently, an induced current is generated by the induction coil 23 by the displacement amount of the rotor 17, the induced current is applied to an amplifier 24 and a controller 25, and the idle-movement suppression means 29 is controlled finally.
Patent JP-H07166484-A (JP)
Title: Steel cord for reinforcing rubber article and composite material thereof
Inventor: OTANI KOJI
IPC: B29C70/10
Filed: 1993-12-12
Abstract: PURPOSE:To obtain a steel cord having improved fatigue resistance and excellent adhesion and obtain a composite rubber article reinforced with the steel cord. CONSTITUTION:This steel cord has a laminar twist structure having the same twisting direction and nearly the same twisting pitch. All steel elements are essentially free from twist component and constitute the steel cord. The core part of the cord is composed of plural steel elements and the cord is composed of alternately arranged close-packed cross-section parts and open cross-section parts. In the close-packed cross-section part, a part of steel elements of a steel element group constituting the outer layer are in contact with two steel elements of the core part and the remaining steel elements are in contact with the steel elements of the core part. The steel elements of a steel element group constituting the outer layer is in contact with one steel element or free from contact with steel element in the open cross-section part. The cord has improved resistance to the lowering of adhesivity by corrosion and excellent flexural fatigue resistance and is effective for remarkably improving the durability of rubber articles.
Patent JP-H11173850-A (JP)
Title: Angular velocity sensor
Inventor: ASAUMI KAZUSHI
IPC: G01C19/5614
Filed: 1997-12-11
Abstract: PROBLEM TO BE SOLVED: To reduce offset signals in a small-sized angular velocity sensor in which a driving element part, a detection element part and a feedback element part are arranged on the same surface of a vibrator. SOLUTION: In this angular velocity sensor of a semiconductor type, the vibrator 2 is formed by etching a semiconductor substrate and the driving element parts 8 and 8', the detection element parts 9 and 9' and the feedback element parts 10 and 10' are formed on the surface of the vibrator 2. So as to equalize the capacitance of the feedback element parts 10 and 10' and the detection element parts 9 and 9', the areas of both are equalized.
Patent JP-H06165975-A (JP)
Title: Washing device for end edge of substrate
Inventor: KISE KAZUO
IPC: H01L21/304
Filed: 1992-11-27
Abstract: PURPOSE:To wash away unnecessary thin films from at least either of both front and rear surfaces of the peripheral edges of a square substrate and removing the unnecessary thin films sticking to positioning members. CONSTITUTION:The square substrate 1 formed with the thin films on the surfaces is imposed and held on a substrate holding means. Washing means for the end edges of the substrate for washing away the unnecessary thin films of the end edges of the square substrate 1 are so provided as to act respectively on the opposite two sides of the square substrate 1. In addition, each of these washing means for the end edges of the substrate is constituted of solvent nozzles 24a, 24b for dissolving the unnecessary thin films by discharging solvents to both the front and rear surfaces at the end edges of the square substrate 1 and suction members 23 which are provided on the outer side at the end edges of the square substrate 1 and suck and discharge the solvents from these solvent nozzles 24a, 24b and the unnecessary thin films. The positioning plates 29 are provided within the suction members 23 to position the square substrate 1 by coming into contact with the peripheral end faces of the substrate.
Patent JP-H06182569-A (JP)
Title: Laser beam machine
Inventor: TAKEMOTO KOHEI
IPC: B23K26/00
Filed: 1992-12-22
Abstract: PURPOSE:To surely prevent a torch from being broken when an external force from a work acts on the torch without increasing the scale of the peripheral part of the torch and to prevent the torch from being broken even when an external force acts from the lower part of the torch. CONSTITUTION:An end effector 4 is attracted by magnetism to a torch body 3 in the torch 1 composed of the torch body 3 and the end effector 4 and when an external force from the work (w) acts on the end effector 4, this attracted part is removed to move the end effector 4 in the action direction of the external force to the torch body 3. Further, the movement of the end effector 4 is detected by a gap sensor and when the end effector 4 moves, operation is stopped to avoid defects of the end effector 4 and its peripheral part.
Patent JP-2000166179-A (JP)
Title: Fan-cooled motor
Inventor: SHOJI YOSHIHISA
IPC: D05B69/12
Filed: 1998-12-01
Abstract: PROBLEM TO BE SOLVED: To extremely reduce a noise by providing I protrusion poles in the circumferential direction of a rotor at nearly an equal interval and J blades that differ from the divisor or multiple of I in the circumferential direction of a fan at nearly an equal internal. SOLUTION: A rotor 3 of a fan-cooled motor 1 is provided with a core 20 that is externally fitted and sealed to a rotary shaft 4, I protrusion poles 21 that project to the outside in the circumferential direction from its outer- periphery part and are provided longer at both sides at nearly an equal interval in its circumferential direction, coil winding 23 being provided at a slot 22 between the protrusion poles 21, and the like. Also, the rotor 3 is provided between pole formation parts 18 of a stator 2. J blades 28 are provided in the circumferential direction of a fan 6 at an equal interval, where J differs from the divisor or multiple of I. Then, when the rotor 3 is rotated, the fan 6 is also rotated in one piece.  However, the frequency of a whizzing sound due to the blade 28 does not become the divisor or multiple of the frequency of a sliding sound due to the protrusion poles 21, thus preventing resonance and hence extremely reducing a noise level.
Patent JP-H05156442-A (JP)
Title: Vacuum film forming device and sputtering device
Inventor: KATSUTA SHINICHI
IPC: C23C14/34
Filed: 1991-11-30
Abstract: PURPOSE:To enable high-speed film formation with the vacuum film forming device which forms multilayer films by sputtering different atmosphere gases. CONSTITUTION:A substrate 1 is held and moved in film forming chambers 42, 44 by the transporting system. These two film forming chambers 42, 44 are communicated with each other via a transporting system passage space where the transporting system can pass. These chambers are not completely insulated by a gate valve. The atmosphere gases used for the film formation by sputtering in the film forming chambers 42, 44 vary. A buffer chamber 40 is provided between these film forming chambers 42 and 44 and a local discharge pump 45 is provided. Even if the two film forming chambers 42, 44 are communicated with each other, the atmosphere gases varying from each other in the right and left film forming chambers 42, 44 are prevented from mixing with each other by a local discharge device 45 which sucks the inside of the buffer chamber 40 to a vacuum. Since the chambers are not partitioned by the gate valve, the movement of the transporting system is smoothly executed and the film forming speed is improved.
Patent JP-2001157953-A (JP)
Title: Round bar end face grinding apparatus
Inventor: UNO TOMOHIDE
IPC: B24B7/16
Filed: 1999-12-01
Abstract: PROBLEM TO BE SOLVED: To provide a round bar end face grinding apparatus not manually but automatically to implement the end face grinding work in a finishing line of medium to small size round steel bar sheared in a hot condition without impeding any productivity of the line. SOLUTION: The round steel bar end face grinding apparatus implements the end face grinding work making use of the rotation and propulsion to a work to be straightened during the straightening using a mound steel bar straightening machine with straightening rolls disposed in the vertical direction and having the inclination in the carrying direction of the work in the finishing line of the round steel bar sheared in the hot condition.
Patent JP-H07166058-A (JP)
Title: Polyarylene sulfide resin composition
Inventor: IMAI YOICHI
IPC: C08G75/02
Filed: 1993-12-15
Abstract: PURPOSE:To improve the thermal stability of a virtually non-cross-linked polyarylene sulfide having a specified wt.-average mol.wt. by compounding it with a specified amt. of a tetraalkoxysilane. CONSTITUTION:A filter cake of a virtually non-cross-linked polyarylene sulfide having a wt.-average mol.wt. of 15000-100,000 is obtd. by feeding an org. amide solvent (e.g. N-methyl-2-pyrrolidone) and an alkali metal sulfide (e.g. Na2S) into an autoclave, thermally dehydrating the contents of the autoclave under N2 flow, adding an arom. dihalo compd. (e.g. p-dichlorobenzene), conducting the first-stage reaction at about 195-240 deg.C and the second-stage reaction at about 240-270 deg.C while cooling the upper part of the autoclave, filtering the resulting polymer slurry after the completion of the reaction, and washing the resulting cake with water. The cake is mixed with 0.01-5wt.% tetraalkoxysilane by spraying an acetone soln. of the tetraalkoxysilane to the cake and drying it in hot air.
Patent JP-H06194147-A (JP)
Title: Optical axis adjusting device for laser displacement sensor
Inventor: HIRONO ATSUYUKI
IPC: G02B27/62
Filed: 1992-12-22
Abstract: PURPOSE:To prevent a range finding error by storing mirror bodies in a black box so that mirror faces form perpendicular faces to each other, and installing the black box between sensor light projection/reception sections so that the holes through which the incidence light and reflected light pass are located in the same plane and this plane and the mirror faces are perpendicular to each other. CONSTITUTION:Two mirror bodies 1, 1' are stored in a box 2 so that mirror faces form rectangular faces to each other. The block box 2 is installed between mating sensor light projection/reception sections X, X'. The block box 2 is provided with four holes 3, 3, 3', 3' through which the incidence light from the light projection/reception sections X, X' and the reflected light by the mirror bodies 1, 1'. The holes 3, 3, 3', 3' are located on the same plane, and this plane is arranged perpendicularly to the mirror faces of the mirror bodies 1, 1'. Optical axes (n), n' are judged to be in the consistent state when two beams from the light projection/reception sections X, X' via the mirror bodies 1, 1' pass through the holes 3, 3, 3', 3'. The optical axes (n), n' are judged to be in the inconsistent state when two beams do not pass through them.
Patent JP-H10166354-A (JP)
Title: Measuring device of amount of displacement of roller for wire saw
Inventor: TOYAMA KOHEI
IPC: B23D57/00
Filed: 1996-12-06
Abstract: PROBLEM TO BE SOLVED: To measure accurately the amount of displacement in the axial direction of a main roller on the occasion when a single crystal ingot of semiconductor silicon, for instance, is sliced by a multi-wire saw. SOLUTION: In this device, a noncontact displacement sensor 16 is disposed in proximity to a measuring plate 15 of a main roller 2 so that the amount of thermal displacement in the axial direction of the main roller 2 can be measured by this sensor 16, while the noncontact displacement sensor 16 is supported by a support member 17 of a material of little thermal expansion and this support member 17 is fitted to a main body frame 20, so that no displacement in position of the noncontact displacement sensor 16 be caused by transfer of the heat of the main roller 2. Besides, it is preferable also to make the support member 17 hollow and to introduce cooling water into the hollow.
Patent JP-2001159279-A (JP)
Title: Ventilation apparatus on door
Inventor: KOGA NOBUHIDE
IPC: E06B7/02
Filed: 1999-12-02
Abstract: PROBLEM TO BE SOLVED: To efficiently conduct the draft and ventilation in a room without deteriorating the anticrime and soundproof functions of a door while the door is closed. SOLUTION: This ventilation apparatus comprises a door board 2 pivotally supported openably in a door frame P and having a storage recess 5 recessed to the outdoor side, a window frame section 6 formed on the bottom face of the storage recess 5 inserted with an insect-proof net body 7, a sliding plate 3 advanced to the outdoor direction or stored in the storage recess 5 to introduce air into the room through the window frame section 6 or to close the window frame section 6, and a pair of the right and left draft plates 4 foldable when the sliding plate 3 is stored and retracted into the storage recess 5.  A sliding plate reciprocating mechanism 11 formed with a reciprocating action handle 13 rotatably connected to the inner face side of the sliding plate 3 at the tip through a slide guide hole 12 on the storage recess 5 side and protruded with a plurality of ribs 13A along the axial direction is provided. The sliding plate 3 is protruded from the door board 2 for ventilation, or it is stored and closed.
Patent JP-2000172352-A (JP)
Title: Controller of device
Inventor: NAKAMURA TAKESHI
IPC: G05F1/56
Filed: 1998-12-02
Abstract: PROBLEM TO BE SOLVED: To prevent power from being supplied carelessly such as when a power-on switch is touched mistakenly or when some object is brought into contact with it in the controller of a device such as a washing machine which interrupts an AC supply when an operation is finished and eliminates power consumption when it is in a standby state. SOLUTION: A control means 21 controlling a load circuit 7 controls a relay contact 15, a power-on switch 17 that is turned on only when an operation is performed is parallelly connected to the contact 15, and a zero volt pulse generating means 18 which also operates as an on-detecting means detects that the switch 17 is turned on. The contact 15 and the switch 17 are parallelly connected to be connected to an AC supply 12, and the control means 21 clocks closed time of the switch 17 after the switch 17 is operated and turned on and closes the contact 15 after a prescribed time elapses.
Patent JP-H05174507-A (JP)
Title: Magnetic head support
Inventor: OKADA KANZO
IPC: G11B21/02
Filed: 1991-12-25
Abstract: PURPOSE:To realize stabilized characteristics by employing a streamline flow blade profile in the rib of a magnetic head retaining spring thereby suppressing instable hydraulic exciting force to be applied on the retaining spring due to air flow. CONSTITUTION:The magnetic head support comprises a head retaining spring 3 provided with ribs 2 in the direction traversing the air flow produced by a rotary magnetic recording medium 1. The rib 2 is made hollow and has streamline blade profile with the ends 2A, 2B thereof being opened, wherein multiple micro holes 4 are made through the wall face of the hollow body. According to the constitution, the production of vortex due to air flow can be avoided effectively, the fluctuation of lift and drag for the entire spring 3 can be suppressed effectively, resulting in stabilized supporting of magnetic head.
Patent JP-H10180396-A (JP)
Title: Production of composite reinforced piston
Inventor: NAKAO YASUHIRO
IPC: B21K1/18
Filed: 1996-12-24
Abstract: PROBLEM TO BE SOLVED: To easily form a composite reinforced piston having the superiority of a strength, etc., with forging. SOLUTION: In this piston, a billet B firmly joined with a reinforcing fiber, etc., and an aluminum alloy is produced by penetrating the aluminum alloy inside the reinforcing fiber of alumina (Al2 O3 ), etc., or the reinforcing granule under the reducing action of magnesium nitride (Mg3 N2 ). After improving the extensibility of the material and the forgeability by extruding this billet B and machining in an about shape, it is formed to the final piston P shape with forging.
Patent JP-2001160734-A (JP)
Title: Piezoelectric resonance element, piezoelectric filter and piezoelectric oscillator with built-in load capacity
Inventor: GAMO MASAO
IPC: H03H9/17
Filed: 1999-12-02
Abstract: PROBLEM TO BE SOLVED: To provide a piezoelectric resonance element capable of being miniaturized, being easily manufactured without a complicated polarizing process and realizing excellent resonance characteristics in constitution provided with an energy confining type resonance part and a capacitance acquisition part. SOLUTION: For this piezoelectric filter 1, at least one energy confining type filter part 3 or 4 an a coupling capacitance part 7 are constituted on a piezoelectric substrate 2 and the thickness of a piezoelectric substrate part 2A provided with the coupling capacitance part 7 is made thinner than the thickness of the piezoelectric substrate part 2B provided with the filter parts 3 and 4 as the resonance part.
Patent JP-H06176445-A (JP)
Title: Reel base of tape player
Inventor: KOGA NOBUYUKI
IPC: G11B15/32
Filed: 1992-11-30
Abstract: PURPOSE:To simplify components as to a driving shaft of the reel base and also to contribute to the cost reduction while increasing a productivity by forming a tip of the pawl part engaging with a reel hub to be the pointed shape. CONSTITUTION:The driving shaft 21 at feeding side to which the freely rotatably housed reel hub 19 at feeding side is fitted, is penetrated in a cassette 20. When the reel hub 19 of the cassette is inserted while aligning with the driving shafts 21, 22, the reel hub 19 can be surely fitted to the reel base constituted with the driving shafts 21, 22 since the reel hub is fitted in by the guide of the part with pointed shape which is provided at the tip of the pawl part of reel base. Particularly when the tip of the pawl part is formed to the chevron shape, the fitting operation of the reel hub is surely performed.
Patent JP-H06178392-A (JP)
Title: Device for manufacturing piezoelectric acoustic parts
Inventor: NOZAWA TOSHIO
IPC: H04R17/00
Filed: 1992-11-30
Abstract: PURPOSE:To surely stretch a mesh by imparting a certain tenile force to in the sound emitting port of a case 11. CONSTITUTION:A mesh tape 51 supplied from a tape roll 45 passes through between a parts holder 31 and a welding tool 60. The welding tools 60 is moved toward the sound emitting port of the case 11 which is supported by the parts holder 31 so as to press the mesh tape 51 on the sound emitting port of the case 11. At this time, ultrasonic wave is added from an ultrasonic wave vibrator 61 to the tip of the welding tool 60 and the mesh tape 51 is welded around the sound emitting port of the case 11 by heat caused by ultrasonic wave and, at the same time, is welded and cut. Here, the tape roll 45 which draws out the mesh tape 51 is controlled by an electromagnetic break 43 and also required tension is given to the mesh tape 51 by the elastic force of a spring 46.
Patent JP-H03206126-A (JP)
Title: Production of massive-sphere fiber active carbon
Inventor: MIYOSHI FUMIHIRO
IPC: D01F9/15
Filed: 1989-12-29
Abstract: PURPOSE:To efficiently obtain the subject active carbon having a high adsorptivity and a high rate of adsorption and desorption and capable of ready reuse by using tar pitch as the raw material, melt spinning the tar pitch, subsequently infusibilizing the spun yarn and carrying out spheroidizing and activation. CONSTITUTION:A pitch for spinning is prepared using tar pitch as the raw material and the above mentioned pitch for spinning is subjected to melt spinning followed by infusibilization in an oxidative atmosphere. The resultant infusibilized fibers are then mutually entangled for spheroidizing and activation is subsequently carried out, thus obtaining the objective active carbon. In addition, an adhesive is preferably applied before or after the spheroidizing process in order to bond mutual fibers.
Patent JP-H11157919-A (JP)
Title: Alumina-based sintered compact having high strength and its production
Inventor: KOSAKA SHOJI
IPC: C04B35/10
Filed: 1997-11-28
Abstract: PROBLEM TO BE SOLVED: To obtain an alumina-based sintered compact having high strength in a temperature area from a room temperature to high temperature and provide a method for producing the sintered compact. SOLUTION: Alumina powder having <=1 μm average particle diameter is mixed with 0.001-0.5 vol.% at least one kind of inorganic powder selected from a group comprising mullite, silica, aluminum nitride, titanium nitride, silicon carbide and titanium carbide and the mixture is baked at >=1,200 deg.C to provide the objective high-strength alumina sintered compact having >=96% relative density, in which 0.001-0.5 vol.% inorganic particles 2 comprising mullite, etc., having <=2 μm average particle diameter are dispersed through a reaction layer 3 with an alumina matrix in alumina matrix comprising crystalline particles 1 having <=10 μm average particle diameter.