Patents Assigned to NIHON SPINDLE MANUFACTURING CO., LTD.
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Patent number: 11925909Abstract: Provided is a slurry manufacturing apparatus including: a mixing unit that mixes a predetermined powder and a solvent in a mixing chamber to produce a slurry; a supply unit that supplies a reaction gas to the mixing chamber when the slurry is produced by the mixing unit; and a circulation unit that recovers a surplus of the reaction gas from the mixing chamber and resupplies the surplus of the reaction gas to the mixing chamber.Type: GrantFiled: December 2, 2020Date of Patent: March 12, 2024Assignee: NIHON SPINDLE MANUFACTURING CO., LTD.Inventors: Keiichiro Onishi, Keiichi Asami
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Patent number: 11874019Abstract: There is provided a dehumidifying device for dew point temperature adjustment that adjusts a dew point temperature of air to a temperature of about ?20° C. or lower, the device including an adjusting unit that adjusts a dew point temperature by adjusting at least one driving operation that is selected from a rotational frequency of a supply fan for supplying air into the dehumidifying device for dew point temperature adjustment, a rotating speed of a dehumidifying rotor, an opening degree of a blow-out air volume adjustment damper, a rotational frequency of an exhaust fan for exhausting air, and an opening degree of an exhaust air volume adjustment damper.Type: GrantFiled: August 20, 2021Date of Patent: January 16, 2024Assignee: NIHON SPINDLE MANUFACTURING CO., LTD.Inventors: Katsuhiro Masuda, Akira Ueda, Masafumi Yamaguchi
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Patent number: 11602882Abstract: There are provided a straining mechanism and a screw extruder including the straining mechanism, which can minimize material passing resistance in a breaker plate even, in a large-sized apparatus having high throughput, and which can improve the throughput by suppressing load power of the apparatus and heat generation of a material. For this purpose, a backup plate having an opening rate higher than an opening rate of a breaker plate and supporting the breaker plate is installed on a rear surface side of the breaker plate supporting a screen mesh.Type: GrantFiled: January 11, 2018Date of Patent: March 14, 2023Assignee: NIHON SPINDLE MANUFACTURING CO., LTD.Inventors: Makoto Irie, Hiroyuki Fukuda, Akio Koro
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Patent number: 11547974Abstract: Provided is a slurry manufacturing method in which a decrease in slurry quality, an increase in running cost, and a decrease in maintainability are suppressed. A slurry manufacturing device includes: a mixing device (suction pump mechanism portion) that mixes a liquid and a powder to manufacture a slurry; a powder supply device that supplies the powder to the mixing device; and a powder dry box, in which an opening portion of the powder supply device is accommodated in the powder dry box.Type: GrantFiled: March 13, 2020Date of Patent: January 10, 2023Assignee: NIHON SPINDLE MANUFACTURING CO., LTD.Inventors: Keiichiro Onishi, Keiichi Asami, Tatsuaki Oonishi
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Patent number: 11541361Abstract: In order to provide a dispersion method and a dispersion apparatus capable of mixing a material to be processed and a dispersion medium having no affinity with each other using a single apparatus without using a dispersant, there are provided a quantitative supply mechanism quantitatively supplying a material to be processed, a suction stirring mechanism primarily including a suction stirring pump in which the material to be processed and a dispersion medium are subjected to negative pressure suction by a negative pressure suction force generated by rotation of a rotating blade and the suctioned material to be processed and the dispersion medium are stirred and mixed by the rotating blade and are allowed to pass through a throttle passage to cause cavitation, and a plasma generating mechanism generating a plasma in bubbles formed due to cavitation in a mixed liquid of the material to be processed and the dispersion medium.Type: GrantFiled: July 31, 2017Date of Patent: January 3, 2023Assignees: NIHON SPINDLE MANUFACTURING CO., LTD., UNIVERSITY OF HYOGO, KABUSHIKI KAISHA DAINICHI SEISAKUSHOInventors: Keiichi Asami, Yoshihiro Oka, Yoshimi Nishimura, Tomohiro Hashimoto, Katsuhiko Yonezawa
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Patent number: 11458445Abstract: Nanoparticles are synthesized by suctioning a liquid under a negative pressure with a negative-pressure suction force caused by the rotation of a rotary blade, causing cavitation by stirring the suctioned liquid by the rotary blade, generating plasma generated by a plasma generation mechanism in air bubbles generated in the liquid, and in that case, consuming an electrode containing elements constituting the nanoparticles to be synthesized.Type: GrantFiled: June 27, 2017Date of Patent: October 4, 2022Assignees: NIHON SPINDLE MANUFACTURING CO., LTD., UNIVERSITY OF HYOGOInventors: Keiichi Asami, Keiichiro Onishi, Yoshihiro Oka
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Patent number: 11446844Abstract: A kneading device for dispersing a dispersoid in a dispersion medium includes a casing in which a kneading material containing the dispersion medium and the dispersoid is accommodated, a rotor disposed in the casing and kneading the kneading material while dispersing the dispersoid in the dispersion medium by rotating about a rotation axis, and a detection unit detecting a dispersion degree of the dispersoid in the dispersion medium by observing a state of the kneading material in the casing.Type: GrantFiled: December 2, 2019Date of Patent: September 20, 2022Assignee: NIHON SPINDLE MANUFACTURING CO., LTD.Inventors: Hisashi Saito, Yoshihiko Nagata, Takamasa Kishima
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Patent number: 11433364Abstract: A slurry production apparatus includes: a mixing device (including a dispersion mixing section) that mixes a liquid and a powder to produce a slurry; a powder supply device that supplies the powder to the mixing device; a powder dry box that accommodates an opening portion of the powder supply device; and a first dry booth that accommodates the mixing device and the powder dry box.Type: GrantFiled: December 17, 2019Date of Patent: September 6, 2022Assignee: NIHON SPINDLE MANUFACTURING CO., LTD.Inventors: Keiichiro Onishi, Keiichi Asami
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Patent number: 11251418Abstract: Provided is a method for manufacturing a slurry for a positive electrode of a nonaqueous electrolyte secondary battery containing an alkali metal complex oxide, the method making it possible to reliably deaerate surplus carbonic acid gas after an alkali component of a slurry containing the alkali metal complex oxide is neutralized within a short period of time. The method for manufacturing a slurry for a positive electrode of a nonaqueous electrolyte secondary battery includes a step of manufacturing an electrode slurry including a step of performing a neutralization treatment on an alkali component in the slurry by using inorganic carbon dissolved in a solvent of the slurry and a step of deaerating the inorganic carbon in the slurry as carbonic acid gas by causing cavitation.Type: GrantFiled: February 20, 2018Date of Patent: February 15, 2022Assignees: NIHON SPINDLE MANUFACTURING CO., LTD., NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Taichi Sakamoto, Takashi Mukai, Yuta Ikeuchi, Naoto Yamashita, Masahiro Yanagida, Keiichi Asami, Keiichiro Onishi
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Patent number: 11124434Abstract: There is provided an in-liquid plasma device including a tubular flow channel in which a liquid flow, and a cavitation generator and a voltage application unit which are disposed in the tubular flow channel. The cavitation generator generates cavitation in the liquid inside the tubular flow channel. The voltage application unit is located in the tubular flow channel so as to generate plasma by applying a voltage to the liquid in which the cavitation is generated. The cavitation generator has a throttle portion whose inner diameter is smaller than other sites in the tubular flow channel. The throttle portion has an upstream side inclined surface located on an upstream side of a narrowest site of the throttle portion, and a downstream side inclined surface located on a downstream side of the narrowest site of the throttle portion.Type: GrantFiled: July 3, 2019Date of Patent: September 21, 2021Assignee: NIHON SPINDLE MANUFACTURING CO., LTD.Inventors: Keiichi Asami, Keiichiro Onishi
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Patent number: 10798807Abstract: There is provided a static electricity removal structure in a low-humidity space, in which static electricity can be removed with high efficiency in the low-humidity space by using a static electricity removal device. A low-humidity space is configured such that dehumidified air is supplied from one side of the low-humidity space into the low-humidity space through a blowout surface material in which ventilation pore is formed, and exhausting is performed from the other side of the low-humidity space, which opposes the blowout surface material. A static electricity removal device is disposed on a downstream side of the blowout surface material.Type: GrantFiled: March 26, 2018Date of Patent: October 6, 2020Assignees: NIHON SPINDLE MANUFACTURING CO., LTD., NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Taichi Sakamoto, Takashi Mukai, Yuta Ikeuchi, Masahiro Yanagida, Kenji Izumi, Teppei Taniguchi
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Patent number: 10637057Abstract: A method for manufacturing a slurry for a positive electrode of a nonaqueous electrolyte secondary battery using an aqueous solvent containing an alkali metal complex oxide, includes: while causing a raw material slurry containing a solid content and the solvent as slurry raw materials for a positive electrode of the nonaqueous electrolyte secondary battery to flow along a path, performing a neutralization treatment on an alkali component in the raw material slurry by inorganic carbon supplied to the raw material slurry flowing along the path.Type: GrantFiled: June 11, 2019Date of Patent: April 28, 2020Assignee: NIHON SPINDLE MANUFACTURING CO., LTD.Inventors: Keiichi Asami, Keiichiro Onishi
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Patent number: 10494274Abstract: Sterilization of a liquid substance is performed by causing cavitation in the liquid substance by stirring the liquid substance with a rotary blade of a suction stirring pump and generating plasma with a plasma generation mechanism in air bubbles generated in the liquid substance by the cavitation.Type: GrantFiled: March 24, 2017Date of Patent: December 3, 2019Assignees: NIHON SPINDLE MANUFACTURING CO., LTD., UNIVERSITY OF HYOGOInventors: Keiichi Asami, Keiichiro Onishi, Yoshihiro Oka
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Publication number: 20180133947Abstract: There are provided a straining mechanism and a screw extruder including the straining mechanism, which can minimize material passing resistance in a breaker plate even, in a large-sized apparatus having high throughput, and which can improve the throughput by suppressing load power of the apparatus and heat generation of a material. For this purpose, a backup plate having an opening rate higher than an opening rate of a breaker plate and supporting the breaker plate is installed on a rear surface side of the breaker plate supporting a screen mesh.Type: ApplicationFiled: January 11, 2018Publication date: May 17, 2018Applicants: NIHON SPINDLE MANUFACTURING CO., LTD., SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Makoto Irie, Hiroyuki Fukuda, Akio Koro
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Patent number: 9579831Abstract: A spinning machine includes: a main shaft which includes a chuck holding a cylindrical material having a bottom and a regulation member; a mandrel which is inserted inside from an opening side end portion of the material; and a press roller which presses the opening side end portion of the material. The spinning machine molds a circumferential groove portion on the opening side end portion so that an inner diameter of the opening side end portion of the material is smaller than an inner diameter of a body of the material by pushing a press roller while rotating the material around the axial center of the main shaft, and at least a portion of the inserted mandrel is formed so that a gap is provided between the portion and an inner circumferential surface after the opening side end portion of the material is plastically deformed.Type: GrantFiled: May 8, 2015Date of Patent: February 28, 2017Assignee: NIHON SPINDLE MANUFACTURING CO., LTD.Inventors: Yoshiaki Takada, Jyunji Kishino, Taishi Shirai