Takuya Aoki
Takuya Aoki, Chuo-Ku JP
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20100078587 | NiMnZn-BASED FERRITE - A novel NiMnZn-based ferrite which can reduce magnetic loss (core loss) at a high frequency of about 2 MHz or higher and achieve higher saturated magnetic flux density while forming high sintered density is provided. The NiMnZn-based ferrite contains a main component comprising 54.0 to 57.5 mol % of iron oxide in terms of Fe | 04-01-2010 |
Takuya Aoki, Kurobe-Shi JP
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20090084235 | JETTING APPARATUS AND ORIGIN CORRECTION METHOD THEREFOR - An origin correction method of matching a set processing top point with a machine top point of a high pressure jet in a jetting apparatus having a two-axis angle control for controlling tilt and -pivot angles other than a three-axis control consisting of X, Y, Z-axes includes: a jet radial-runout measurement process of measuring a position of the jet passing through an XY-plane; a jet radial-runout correction process of calculating an error at the processing top point and correcting radial runout of the jet; a jet top-point variation measurement process of changing the tilt angle and measuring two positions, where the jet passes through the XY-plane; and a jet top-point variation correction process of calculating an error at the processing top point from position data of the two positions and correcting a deviation of the processing top point. | 04-02-2009 |
Takuya Aoki, Shimoniikawa-Gun JP
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20120196516 | ABRASIVE WATER JET PROCESSING MACHINE - An abrasive water jet processing machine for jetting a fluid and performing a cutting includes a fluid supply device, an abrasive supply device, an injection pressure controller, wherein the abrasive supply device includes a reservoir hopper consisting of a pressure vessel for reserving the abrasive, an abrasive supply tube for communicating with the reservoir hopper and the nozzle, and an air purge device for supplying compressed air to the abrasive supply tube and the reservoir hopper; the injection pressure controller performs a two-stage control of controlling injection pressure in a piercing; and the air purge device includes a flow pressure controller for controlling flow pressure of compressed air passing through the abrasive supply tube, wherein the flow pressure controller controls the flow pressure in the piercing to be higher than that in the cutting. | 08-02-2012 |
20120214386 | ABRASIVE WATER JET PROCESSING MACHINE - An abrasive water jet processing machine for jetting a fluid and performing a cutting includes a fluid supply device, an abrasive supply device, an injection pressure controller, wherein the abrasive supply device includes a reservoir hopper consisting of a pressure vessel for reserving the abrasive, an abrasive supply tube for communicating with the reservoir hopper and the nozzle, and an air purge device for supplying compressed air to the abrasive supply tube and the reservoir hopper; the injection pressure controller performs a two-stage control of controlling injection pressure in a piercing; and the air purge device includes a flow pressure controller for controlling flow pressure of compressed air passing through the abrasive supply tube, wherein the flow pressure controller controls the flow pressure in the piercing to be higher than that in the cutting. | 08-23-2012 |
20150266161 | METHOD AND APPARATUS FOR WATER JET CUTTING - To control cutting process with cutting quality to obtain product without any uncut portion on a corner portion, and to respond to a change in cutting speed. Water jet cutting performed by: inputting a cutting program, set cutting speed, cutting parameters; calculating cutting speed matching the cutting quality; calculating cutting shape from the cutting program and dividing the cutting shape into a linear portion and a corner portion; calculating a corner cutting speed for the corner portion on the basis of a shape of the corner portion within range from the calculation cutting speed to the set cutting speed, set cutting speed equal to or higher than the calculation cutting speed; set cutting speed and the corner cutting speed to the linear portion and the corner portion, respectively, in the cutting program; moving the nozzle relative to the workpiece on the basis of the cutting program assigned with cutting speeds. | 09-24-2015 |
Takuya Aoki, Nyuzen-Machi JP
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20130267152 | ABRASIVE WATER JET NOZZLE AND ABRASIVE WATER JET MACHINE - Provided is an abrasive water jet nozzle comprising a mixing chamber for absorbing the abrasives with air through a supply port; a water nozzle; a mixing nozzle disposed on the downstream side against the water nozzle, to mix the abrasives in a water jet jetted out of the water nozzle, and to jet the water jet into the mixing chamber out of a through hole of the mixing nozzle; and an abrasive nozzle disposed on the downstream side against the mixing nozzle, to introduce the water jet thereinto to jet an abrasive water jet. A diameter of the through hole is larger than that of the water nozzle so that the abrasives in the mixing chamber are absorbed with air in a clearance between the through hole and the water jet passing through the through hole to mix the abrasives in the water jet. | 10-10-2013 |
Takuya Aoki, Chofu-Shi, Tokyo JP
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20130184141 | PROCESS FOR PRODUCING CERAMIC FIBER-REINFORCED COMPOSITE MATERIAL AND CERAMIC FIBER-REINFORCED COMPOSITE MATERIAL - To obtain a ceramic fiber-reinforced composite material, by melt-infiltrating a composite material substrate obtained by forming ceramic fibers into a composite with a matrix formed of an inorganic substance, with an alloy having a composition that is constituted by a disilicate of at least one or more transition metal among transition metals that belong to Group 3A, Group 4A or Group 5A of the Periodic Table and silicon as the remainder, and having the silicon content ratio of 66.7 at % or more. | 07-18-2013 |
Takuya Aoki, Funabashi-Shi JP
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20160002925 | BEAM REINFORCING METALLIC MATERIAL AND BEAM REINFORCING STRUCTURE - A beam reinforcing metallic material includes a welding surface, a counter-flange-part surface, a contacting surface, a protrusion, and the like. The beam reinforcing material is a member that is made of metal such as steel for example. The beam reinforcing metallic material is not plate shaped but has a three dimensional shape. More particularly, the cross-sectional shape varies from the edge parts toward the center part in longitudinal direction. The cross section (cross-sectional area) of the center part of the beam reinforcing metallic material in longitudinal direction is larger than the cross sections (cross-sectional areas) of the both end parts. Increasing the cross-sectional area of the vicinity of the center part of the beam reinforcing metallic material allows the part that receives maximum stress to securely obtain the flexural strength when the beam reinforcing metallic material is fixed to the beam. | 01-07-2016 |
20160002926 | BEAM REINFORCING STRUCTURE - A beam is an H-shaped steel having flange parts above and under a web part. A through hole is formed on web part to let pipes and the like pass through. A ring beam reinforcing metallic material is disposed through hole. A beam reinforcing metallic material is disposed along the upper and lower flange parts at positions away from the through hole. The beam reinforcing metallic material on the front surface of the web part (opposite side of a flange of the ring beam reinforcing metallic material). The beam reinforcing metallic material in a direction in which a counter-flange surface of the beam reinforcing metallic material faces the flange part. A contacting surface is in contact with web part and is fixed to the web part with a welded section. At this time, the welded section is formed up to the height to which an angle varying section is covered. | 01-07-2016 |