baber/WOPTO huggingface dataset:
Patent JP-2021016254-A (JP)
Title: Laminated iron core manufacturing method and laminated iron core manufacturing device for rotary electric machine and rotary electric machine
Inventor: OHASHI NAOKI
IPC: H02K15/02
Filed: 2019-07-12
Abstract: To enable manufacturing by punching a plurality of plate-shaped stator core elements from a rolled electromagnetic steel sheet at the same time with high accuracy in one step, and suppress distortion and rigidity decrease of the electromagnetic steel sheet due to the punching.SOLUTION: In a laminated iron core manufacturing method for a rotary electric machine, before a step of punching a plate-shaped rotor core element 21 from a strip-shaped electromagnetic steel plate 4 formed by rolling, in a region of a second region 42 inside a first region 41 for punching the plate-shaped rotor core element of the strip-shaped electromagnetic steel plate, the plate-shaped stator core element 11 is punched in a punching step by a press mechanism 51, and before punching of the plate-shaped stator core element 11 from the strip-shaped electromagnetic steel sheet in the punching step by the press mechanism 51, a plurality of pilot pins 501 and 502 are arranged in each of the first region 41 and the second region 42.SELECTED DRAWING: Figure 2
Patent JP-2019194730-A (JP)
Title: Compound, optical film, and optical film manufacturing method
Inventor: OKAWA HARUKI
IPC: C08J5/18
Filed: 2019-07-17
Abstract: To provide an optical film capable of uniform polarization conversion in a wide wavelength range.SOLUTION: A composition for an optical film formation comprises: a compound (A) comprising a group represented by formula (A) defined by -G-D-Ar-D-G-, and a polymerizable group; and a liquid crystal compound different from the compound (A). The content of the liquid crystal compound is 90 pts.wt. or less based on 100 pts.wt. of the total content of the compound (A) and the liquid crystal compound. The liquid crystal compound is a compound represented by formula (4) defined by P-E-(B-A)-B-G.SELECTED DRAWING: Figure 1
Patent JP-2020059838-A (JP)
Title: Adhesive for tennis ball
Inventor: HYODO TATEHIKO
IPC: C09J121/02
Filed: 2019-07-19
Abstract: To provide an aqueous adhesive for a tennis ball having excellent adhesive strength.SOLUTION: An aqueous adhesive for a tennis ball includes rubber latex and a sulfenamide-based vulcanization accelerator. When a solid content in the aqueous adhesive is measured at a temperature of 150°C by a curelastometer, a 10% torque time t10 is preferably not shorter than 3 minutes and preferably not longer than 15 minutes, and a ratio (t10/t90) of the 10% torque time t10 to a 90% torque time t90 is preferably not less than 0.60 and preferably not greater than 0.95. A tennis ball 2 includes a hollow core 4 obtained by two semi-spherical half cores being adhered by using the aqueous adhesive.SELECTED DRAWING: Figure 1
Patent JP-2020029092-A (JP)
Title: Reciprocal operation of print head with improved accuracy
Inventor: DAVID L KNIERIM
IPC: B41J2/01
Filed: 2019-07-29
Abstract: To solve such a problem that there is a possibility of causing inaccuracy of the discharge position due to the weight increase of a shuttle if electronic equipment transmitting an image formation signal to a print head is on the same shuttle as the print head.SOLUTION: A printing system includes: a print head shuttle 14 having a print head 12 attached to a print guide rail 26; a support shuttle 16 that is adjacent to the print guide rail 26, and has support electronic equipment for print head attached in parallel onto a support guide rail 28; and at least one electronic signal transmission cable 18 that is connected between the support electronic equipment and the print head.SELECTED DRAWING: Figure 1
Patent JP-2021025533-A (JP)
Title: Manpower drive vehicle change gear and manpower drive vehicle assist system having the change gear
Inventor: YAMAMOTO TAKASHI
IPC: B62M6/55
Filed: 2019-07-31
Abstract: To provide a manpower drive vehicle change gear which can suitably constitute a gear change stage, and a manpower drive vehicle assist system having the change gear.SOLUTION: A manpower drive vehicle change gear comprises: a first gear change unit having a first gear change path for gear-changing inputted rotation; a second gear change unit having a second gear change path for gear-changing the inputted rotation, and transmitting the rotation to the first gear change unit; and a switching part for gradually changing a gear change ratio of a manpower drive vehicle. The first gear change unit has a first planetary gear unit, and a transmission path has a first transmission path which goes through at least the first gear change path, a second transmission path which goes through the second gear change path and does not go through the first gear change path, and a third transmission path which goes through both the first gear change path and the second gear change path. When gradually increasing the gear change ratio, the switching part switches the transmission path in an order of the first transmission path, the second transmission path and the third transmission path.SELECTED DRAWING: Figure 3
Patent JP-2021025556-A (JP)
Title: Torque control mechanism and vibration reduction device using the same
Inventor: MIYABE TOMOHIRO
IPC: F02B77/00
Filed: 2019-08-01
Abstract: To provide a torque control mechanism capable of appropriately suppressing torque vibration, and a vibration reduction device using the torque control mechanism.SOLUTION: A torque control mechanism 300 comprises a plurality of periodic reversing springs A, B to generate counter torque. The torque control mechanism can control the increase/decrease of the counter torque with respect to a rotating body by changing the phase relation of the plurality of periodic reversing springs A, B, and further can control the phase of rotation of the rotating body and the phase of the counter torque.SELECTED DRAWING: Figure 8
Patent JP-2021024361-A (JP)
Title: Vehicle notification system
Inventor: ADACHI KAORI
IPC: B60W50/14
Filed: 2019-08-01
Abstract: To grasp a behavior of an own vehicle during an automatic driving mode in advance.SOLUTION: A vehicle notification system S includes a travel control part 42 for performing automatic driving control of a vehicle in accordance with vehicle state information and peripheral environment information, and a notification device (a notification part) 50 for notifying an occupant getting on a vehicle of information on a virtual driver simulating the movement of a person corresponding to the automatic driving control. The occupant can grasp contents that a behavior of the vehicle is changed in advance through the virtual driver before the behavior of the vehicle (an own vehicle) is changed during an automatic driving mode. The notification device 50 can give a sense of security to the occupant.SELECTED DRAWING: Figure 2
Patent JP-2021025073-A (JP)
Title: Oriented electromagnetic steel sheet, wound iron core, oriented electromagnetic steel sheet production method, and wound iron core production method
Inventor: HAMAMURA HIDEYUKI
IPC: H01F41/02
Filed: 2019-08-01
Abstract: To provide an oriented electromagnetic steel sheet in which a plurality of grooves extending in sheet width direction are formed in sheet length direction at predetermined intervals, a wound iron core formed by winding the oriented electromagnetic steel sheet, and production methods for the oriented electromagnetic steel sheet and the wound iron core.SOLUTION: The present invention provides an oriented electromagnetic steel sheet in which a plurality of grooves extending in sheet width direction are formed in sheet length direction at predetermined intervals. It has a sheet width for winding of a wound iron core, and the plurality of grooves are provided so as to arrange non-grooved parts alternately at one end and the other end in the sheet width direction along the sheet length direction.SELECTED DRAWING: Figure 2
Patent JP-2019205881-A (JP)
Title: Game machine
Inventor: SAITO SHUJI
IPC: A63F5/04
Filed: 2019-08-07
Abstract: To permit continuation of a player's interest in continuation of an advantageous state over a plurality of games.SOLUTION: A slot machine 1 includes an ART game state comprising an enemy determination ART and a battle ART as an advantageous state, and determines an opponent character against whom a match is played in the battle ART on the basis of a performance ball set during the enemy determination ART. In the battle ART, HP of an opponent character or a friend character is decreased based on the set performance ball, and ART is continued when HP of the opponent character is set to 0 before HP of the friend character becomes 0.SELECTED DRAWING: Figure 87
Patent JP-2021023664-A (JP)
Title: Lottery device
Inventor: ITO SHINYA
IPC: A63F5/02
Filed: 2019-08-07
Abstract: To realize a highly amusing lottery in which a lottery body behaves diversely.SOLUTION: A lottery device includes: a lottery mechanism 11; a supply mechanism for supplying a lottery body to the lottery mechanism 11; and a lottery control part for controlling a lottery event utilizing the lottery mechanism 11 and the supply mechanism. The lottery mechanism 11 includes: a lottery surface including a first area R1 in which first plural lottery holes H1 are formed and a second area R2 in which second plural lottery holes H2 are formed; a partitioning part 23 positioned between the first area R1 and the second area R2; and a connecting path 24 for connecting the first area R1 and the second area R2. The lottery control part supplies a first number of lottery bodies to the first area R1 by the supply mechanism in a first lottery event, and determines that a user wins a first prize when at least one lottery body from among a first number of lottery bodies enters a first predetermined number of lottery holes H1 from among first plural lottery holes H1 and a second predetermined number of lottery holes H2 from among second plural lottery holes H2.SELECTED DRAWING: Figure 2
Patent JP-2021028445-A (JP)
Title: Permeable-type sand prevention dam
Inventor: YOSHIDA KAZUO
IPC: E02B7/02
Filed: 2019-08-09
Abstract: To provide a permeable-type sand prevention dam allowing cost increase to be avoided.SOLUTION: A permeable-type sand prevention dam is the permeable-type sand prevention dam constructed in a river or a canal, being configured to have a plurality of vertical rod-like members arranged spaced apart from each other in a lateral direction and a plurality of lateral rod-like members arranged space apart from each other in a vertical direction as well as being provided with: a boulder capturing part having a plurality of net openings smaller than boulders to capture the boulders; and a small gravel capturing part placed at a downstream side and having a plurality of net openings smaller than those of the boulder capturing part to capture small gravel.SELECTED DRAWING: Figure 1
Patent JP-2021030133-A (JP)
Title: Cast iron pipe inner surface coating method
Inventor: OTSU HIDEKI
IPC: B05D3/00
Filed: 2019-08-21
Abstract: To provide a coating method capable of stabilizing a film thickness, being stable in a quality, discriminable as a silica sand mixed powder coating pipe and capable of obtaining a powder coating film of using a use amount of powdered paint by restraining the occurrence of a pinhole in powder coating.SOLUTION: In a cast iron pipe inner surface coating method for executing powder coating forward-backward by blowing powdered paint against a cast iron pipe inner surface, the cast iron pipe inner surface coating method includes a first process of coating the powdered paint on the cast iron pipe inner surface in a forward path and a second process of coating silica sand and the powdered paint on the powdered paint coated in a backward path, and a nominal diameter of a cast iron pipe is 75-150, a coating speed of the first process is more than 10 m/min and 1.5-2.3 times of the coating speed of the second process, and the silica sand is discharged by a bifurcated nozzle in the second process, and the content of the silica sand in a coating film is 20-50 mass%.SELECTED DRAWING: Figure 1
Patent JP-2021032379-A (JP)
Title: Fluid pressure actuator
Inventor: KUROSAWA KOICHI
IPC: F15B1/02
Filed: 2019-08-28
Abstract: To provide a fluid pressure actuator by which a drive operator can safely perform a drive operation without causing an erroneous operation even in an operation under a severe environment not allowing an easy approach of a person.SOLUTION: A fluid pressure actuator AC is provided with: a conversion part 3 having a conversion unit 3U which comprises a conversion piston 32 (displacement body) arranged so as to be displaceable in a conversion pressure chamber 310 formed in a conversion cylinder 31 (conversion unit main body), and in which the conversion piston 32 is displaced according to a quantity which is supplied when either of working oil FL1 (drive-side working fluid) and working water FL2 (driven-side working fluid) is supplied to the conversion pressure chamber 310, and the other of the working oil FL1 (drive-side working fluid) and the working water FL2 (driven-side working fluid) is discharged from the conversion pressure chamber 310; and displacement detection means 4 for measuring a displacement amount of the conversion piston 32.SELECTED DRAWING: Figure 1
Patent JP-2021034303-A (JP)
Title: Battery cooling system
Inventor: KASUYA MASAHIRO
IPC: H01M10/6566
Filed: 2019-08-28
Abstract: To provide a battery cooling system capable of managing the battery accurately at an appropriate temperature.SOLUTION: A battery cooling system 11 is equipped with multiple batteries 12 placed side-by-side in one direction X, a battery cooler 13 placed between adjoining batteries 12 so as to come into contact therewith, and having a duct 32 through which cooling air flows, an air fan 15 for supplying air to the battery cooler 13, a temperature sensor 14 for detecting the temperature of the batteries 12, a pressurization mechanism 16 for applying pressure in one direction X to the battery cooler 13, and a control section 17 for controlling drive of the pressurization mechanism 16. The battery cooler 13 is deformable elastically so as to decrease the cross-sectional area of the duct 32, when a pressure is applied by the pressurization mechanism 16, and the control section 17 controls driving of the pressurization mechanism 16 so that the pressure applied from the pressurization mechanism 16 to the battery cooler 13 is larger when the temperature of the battery 12 is higher than when the temperature of the battery 12 is lower, on the basis of detection results from the temperature sensor 14.SELECTED DRAWING: Figure 1
Patent JP-2020171914-A (JP)
Title: Fine bubble generation device
Inventor: NAKAYAMA HIROYUKI
IPC: E03C1/084
Filed: 2019-08-29
Abstract: To provide a fine bubble generation device with a simple structure capable of sufficiently securing the flow rate of flowing hot water.SOLUTION: A fine bubble generation device 1 has a cylindrical case member 10 comprising an inner cylinder part 13, and plural circular disc-like members 20 disposed by overlapping coaxially with respect to a center axis CA of the inner cylinder part 13. The circular disc-like member 20 has a through-hole passing hot water in a plate thickness direction, and the through-hole has plural inclined through-holes 21f and toric annular recesses 21d disposed in the plate thickness direction. The inclined through-hole 21f is formed as a hole inclined to a top face 21e by gradually rotating in the same direction around the center axis CA as plural fan-shaped openings disposed at equal intervals in a circumferential direction are directed downward on the top face 21e of the circular disc-like member 20. Besides, the annular recesses 21d are formed as toric holes opening on a lower face 21c by combining the lower side openings of the inclined through-holes 21f. The respective through-holes of plural circular disc-like members 20 communicate with each other to form a part of the flow path from a supply port 11 to a discharge port 12.SELECTED DRAWING: Figure 4
Patent JP-2020043338-A (JP)
Title: Imprint method and article manufacturing method
Inventor: SHIODE YOSHIHIRO
IPC: B29C59/02
Filed: 2019-08-29
Abstract: To provide an imprint method advantageous for improvement of throughput.SOLUTION: An imprint method includes an arrangement process for arranging an imprint material on the shot region of a substrate in a droplet state, a contact process for bringing the imprint material on a portion of the shot region into contact with the pattern region of a mold, and then expanding the contact region of the imprint material and the pattern region up to the whole area of the shot region, and a hardening process for hardening the imprint material after the contact process. In the arrangement process, the imprint material is arranged so that the linear density of the imprint material on a line parallel with a direction orthogonal to a radiation direction and on which multiple droplets of the imprint material exist, is smaller than the linear density of the imprint material on a line parallel with the radiation direction and on which multiple droplets of the imprint material exist, in each of multiple local regions located in the radiation direction from the portion of the shot region.SELECTED DRAWING: Figure 11
Patent JP-2021035691-A (JP)
Title: Penetration hole forming method
Inventor: NAITO TAISUKE
IPC: B23K26/382
Filed: 2019-08-30
Abstract: To provide a penetration hole forming method which can improve production efficiency of a product.SOLUTION: A penetration hole forming method for forming a penetration hole TH at a plate material by scanning a spot of a laser beam along a prescribed route R on a surface of the plate material includes: a first process for making the spot of the laser beam orbit along an inner-loop route R1 from a prescribed first point P1 on the inner-loop route R1 located inside an outer-loop route R3 equivalent to an internal peripheral edge of the penetration hole TH by a prescribed distance d, and making the spot arrive at a prescribed second point P2 before returning to the first point P1; a second process for moving the spot of the laser beam along a transition route R2 extending toward the outer-loop route R3 from the second point P2, and making the spot arrive at a prescribed third point P3 on the outer-loop route R3; and a third process for making the spot of the laser beam orbit along the outer-loop route R3 from the third point P3, and making the spot return to the third point P3.SELECTED DRAWING: Figure 2
Patent JP-2021030032-A (JP)
Title: Rendering glass for beverage, freezing container for beverage, rendering system for beverage and storage medium
Inventor: NISHIDA MAKOTO
IPC: G09F19/12
Filed: 2019-08-23
Abstract: To provide a safe rendering glass for beverages in which the control of the reflectivity of an image is easy, a rendering system for beverages using the rendering glass for beverages and a storage medium for use in these, and a freezing container for beverages.SOLUTION: A rendering glass 1 for beverages of the present invention includes: a glass body having an upper opening, and a bottomed cylindrical body; a fixing mechanism for fixing an image display device to the side of the glass body; a transparent part for visually recognizing an image displayed in an image display unit of the image display device from the outside of the glass body; and a beam splitter arranged inside of the glass body. The beam splitter comprises the beverages in the inside of the glass body. The beverages includes a flat slope tilting to the image display unit, and the image displayed in the image display unit is split into 2-images in the beam splitter to become a reflected image and a transmitted image, and then reaches the outside of the glass body.SELECTED DRAWING: Figure 1
Patent JP-2021043372-A (JP)
Title: Sound signal generation method, sound signal generation device, sound signal generation program, and electronic music device
Inventor: NAKATA MASASHI
IPC: G10H1/00
Filed: 2019-09-12
Abstract: To provide a sound signal generation method, a sound signal generation device, a sound signal generation program, and an electronic music device that can generate a musical performance sound similar to that of an acoustic piano.SOLUTION: A sound signal generation method includes: receiving specification of a pitch and an intensity; and generating a sound signal corresponding to the received pitch with a size of a sound image corresponding to the received intensity.SELECTED DRAWING: Figure 2
Patent JP-2021048666-A (JP)
Title: Photovoltaic power generation system
Inventor: KATO AKIKUNI
IPC: H02J7/35
Filed: 2019-09-17
Abstract: To provide a photovoltaic power generation system based on personal consumption of photovoltaic generation power.SOLUTION: A photovoltaic power generation system includes: a distribution board 4 in which photovoltaic generation power is supplied to a secondary side of a master breaker 11 having a primary side connected to a commercial power grid 8, and the photovoltaic generation power is supplied, together with commercial power, to a load; a current transformer 13 that detects a reverse power flow to the commercial power grid 8; a storage battery 5 in which the photovoltaic generation power is stored, and which outputs discharge power to the secondary side of the master breaker 11; and a charging/discharging control unit 24 that controls charging/discharging of the storage battery 5. The charging/discharging control unit 24 performs charging/discharging control to adjust the power storage amount in the storage battery 5 to be equal to or lower than a prescribed power amount during a time period when photovoltaic power generation is not performed, and further, performs control to, when the current transformer 13 detects a reverse power flow, charge the storage battery 5 in order to prevent continuance of the reverse power flow.SELECTED DRAWING: Figure 1
Patent JP-2021047273-A (JP)
Title: Circuit device, electro-optic device and electronic apparatus
Inventor: MORITA AKIRA
IPC: H03M1/66
Filed: 2019-09-18
Abstract: To provide a circuit device and the like capable of appropriately reducing a feed-through noise that varies depending on the voltage of an input signal to a transfer gate.SOLUTION: A circuit device 100 includes switch circuit 45 having a transfer gate 15, a control circuit 35 controlling the switch circuit 45, an amplifier circuit 80 receiving the signal of an output node NOUT of the transfer gate 15, and a determination circuit 55. The determination circuit 55 determines a feed-through noise of the transfer gate 15 output to enter an output terminal or an input terminal of an operation amplifier AMVD. The control circuit 35 implements a feed-through noise reduction control to reduce the feed-through noise on the switch circuit 45 based on the determination result of the determination circuit 55.SELECTED DRAWING: Figure 5
Patent JP-2021050548-A (JP)
Title: Construction machine
Inventor: TSUTSUI KENICHI
IPC: E02F9/24
Filed: 2019-09-25
Abstract: To provide a construction machine capable of preventing an incorrect operation of an operation lever caused by acceleration or deceleration of a vehicle body operation.SOLUTION: A hydraulic shovel comprises: operation devices 13a, 13b, 14a, 14b outputting an electric operation signal which instructs an operation of an actuator according to an operation of an operation lever; a control device 27 controlling the operation of the actuator according to the electric operation signal from the operation devices 13a, 13b, 14a, 14b; and pressure sensitive sensors 34a, 34b, 35a, 35b detecting whether an operator grips the operation lever of the operation devices 13a, 13b, 14a, 14b. The control device 27, when detecting that the operator grips the operation lever of the operation device by the pressure sensitive sensor, validates the corresponding electric operation signal, and when detecting that the operator does not grip the operation lever of the operation device by the pressure sensitive sensor, invalidates the corresponding electric operation signal.SELECTED DRAWING: Figure 3