Patents by Inventor Naoshige Kitamura
Naoshige Kitamura has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12122116Abstract: A processing system includes a powdery-material feeding device including at least one feeder configured to discharge a reserved powdery material, and an equipment including a filling device configured to be fed with the powdery material discharged from the feeder and configured to execute a post process using the powdery material filled by the filling device, in which upon a start of the equipment having stopped filling with the powdery material by the filling device and executing the post process, when the feeder supplies the filling device with the predetermined amount of the powdery material before the start of the equipment being stopped, the processing system executes tuning of measuring a relation between control input provided to a motor of the feeder and a flow rate of the powdery material discharged from the feeder.Type: GrantFiled: March 5, 2020Date of Patent: October 22, 2024Assignee: KIKUSUI SEISAKUSHO LTD.Inventors: Naoshige Kitamura, Shinsuke Fushimi, Hideyuki Nishimura, Yuuya Kawai
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Patent number: 11400623Abstract: A compression-molding system in which upon a start of a molding machine being stopped, a powdery-material feeding device preliminarily supplies a filling device with a predetermined amount of a powdery material while stopping a relative displacement of the filling device and a compression by an upper punch and a lower punch, and the molding machine is subsequently started to cause the relative displacement of the filling device and the compression by the upper punch and the lower punch.Type: GrantFiled: July 16, 2019Date of Patent: August 2, 2022Assignee: KIKUSUI SEISAKUSHO LTD.Inventors: Naoshige Kitamura, Shinsuke Fushimi, Kazutaka Okumoto, Hideyuki Nishimura
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Patent number: 11207859Abstract: A powdery-material feeding device is configured to feed a powdery material to a compression-molding machine configured to obtain a molded product by filling a die bore with the powdery material and to compress the powdery material with punches. The powdery-material feeding device includes a detector configured to detect a biologically-originated foreign matter mixedly contained in the powdery material to be fed to the compression-molding machine, and a controller configured to control to remove the powdery material mixedly containing the biologically-originated foreign matter detected by the detector to avoid feeding of the powdery material mixedly containing the biologically-originated foreign matter to the compression-molding machine, or to control to stop the feeding of the powdery material to the compression-molding machine.Type: GrantFiled: December 29, 2017Date of Patent: December 28, 2021Assignee: KIKUSUI SEISAKUSHO LTD.Inventors: Satoshi Shimada, Naoshige Kitamura
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Patent number: 11173638Abstract: A molded product production system includes a powdery material mixing and feeding device configured to feed mixed powdery materials including at least two types of powdery materials, a filler configured to fill, with the mixed powdery materials fed by the powdery material mixing and feeding device, a die bore of a compression-molding machine, a sensor configured to measure a mixing degree of the mixed powdery materials fed by the powdery material mixing and feeding device, and a molded product removal mechanism configured to distinguish a molded product obtained by compression molding mixed powdery materials having a mixing degree measured by the sensor out of a predetermined range from a molded product obtained by compression molding mixed powdery materials having a mixing degree within the predetermined range.Type: GrantFiled: February 1, 2017Date of Patent: November 16, 2021Assignee: KIKUSUI SEISAKUSHO LTD.Inventors: Naoshige Kitamura, Jun Oyama, Masaoki Murakoshi
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Patent number: 10875217Abstract: A controller of a rotary compression-molding machine is configured to rotate a turret including a table including a die bore, and punch retaining portions vertically slidably retaining punches disposed above and below the die bore along with the punches, and to fill the die bore with a powdery material from a filling device disposed just above the table, to compress the powdery material filled in the die bore with the punches and to obtain a molded product. The controller is configured to adjust rotational speed of the turret and the punches to allow the powdery material in a feed pipe, directly connected with the filling device and configured to feed the filling device with the powdery material, to have a level of an upper surface kept within a constant target range.Type: GrantFiled: November 3, 2017Date of Patent: December 29, 2020Assignee: KIKUSUI SEISAKUSHO LTD.Inventors: Naoshige Kitamura, Toshihiro Nakaoka, Masaoki Murakoshi
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Publication number: 20200307139Abstract: A processing system includes a powdery-material feeding device including at least one feeder configured to discharge a reserved powdery material, and an equipment including a filling device configured to be fed with the powdery material discharged from the feeder and configured to execute a post process using the powdery material filled by the filling device, in which upon a start of the equipment having stopped filling with the powdery material by the filling device and executing the post process, when the feeder supplies the filling device with the predetermined amount of the powdery material before the start of the equipment being stopped, the processing system executes tuning of measuring a relation between control input provided to a motor of the feeder and a flow rate of the powdery material discharged from the feeder.Type: ApplicationFiled: March 5, 2020Publication date: October 1, 2020Inventors: Naoshige KITAMURA, Shinsuke Fushimi, Hideyuki Nishimura, Yuuya Kawai
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Patent number: 10772838Abstract: A powdery material mixing degree measurement device includes a discharger configured to discharge mixed powdery materials to a filler configured to fill, with the powdery materials, a vertically penetrating die bore of a compression-molding machine including a table including the die bore, a slidable lower punch including an upper end inserted to the die bore, and a slidable upper punch including a lower end inserted to the die bore, a plurality of movable portions configured to move the mixed powdery materials to the discharger, and a sensor configured to measure a mixing degree of the mixed powdery materials in the movable portions.Type: GrantFiled: February 1, 2017Date of Patent: September 15, 2020Assignee: KIKUSUI SEISAKUSHO LTD.Inventors: Jun Oyama, Naoshige Kitamura, Masaoki Murakoshi
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Patent number: 10632482Abstract: A powdery-material feeding device includes a hopper configured to reserve a powdery material, a transfer member configured to deliver and to discharge the powdery material fed from the hopper, a motor configured to drive the transfer member, a measuring instrument configured to measure a discharge amount of a powdery material delivered to be discharged by the transfer member, and a controller configured to control, while control according to the discharge amount of the powdery material measured by the measuring instrument is not conducted, a current applied to a coil of the motor to have a substantially constant amount, to control the discharge amount of the powdery material delivered to be discharged by the transfer member to have a required amount.Type: GrantFiled: February 27, 2018Date of Patent: April 28, 2020Assignee: KIKUSUI SEISAKUSHO LTD.Inventors: Shinsuke Fushimi, Naoshige Kitamura, Hideyuki Nishimura, Masaoki Murakoshi
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Patent number: 10632703Abstract: A powdery material mixing and feeding device is configured to mix at least two types of powdery materials and to feed a compression-molding machine with the mixed powdery materials. The powdery material mixing and feeding device includes a first mixer configured to rotate about a substantially vertical shaft and to mix the powdery materials, and a reservoir configured to reserve at least a part of the powdery materials, and a second mixer configured to rotate about a substantially horizontal shaft and to mix the powdery materials.Type: GrantFiled: April 12, 2016Date of Patent: April 28, 2020Assignee: KIKUSUI SEISAKUSHO LTD.Inventors: Jun Oyama, Naoshige Kitamura, Masaoki Murakoshi
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Patent number: 10583590Abstract: A controller is configured to adjust, by increasing or decreasing an amount of a lubricant mixed with the powdery material, an amount of a lubricant applied to an inner circumference of a die bore and tips, or a time to mix the lubricant to be mixed with the powdery material and the powdery material, in accordance with whether or not the molded product has defectiveness, a pressure applied to the lower punch pushing the molded product out of the die bore, a temperature of the die bore, the upper punch, or the lower punch, a temperature of the powdery material, or a humidity of the powdery material.Type: GrantFiled: December 6, 2018Date of Patent: March 10, 2020Assignee: KIKUSUI SEISAKUSHO LTD.Inventors: Naoshige Kitamura, Shinsuke Fushimi
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Publication number: 20200070388Abstract: A compression-molding system in which upon a start of a molding machine being stopped, a powdery-material feeding device preliminarily supplies a filling device with a predetermined amount of a powdery material while stopping a relative displacement of the filling device and a compression by an upper punch and a lower punch, and the molding machine is subsequently started to cause the relative displacement of the filling device and the compression by the upper punch and the lower punch.Type: ApplicationFiled: July 16, 2019Publication date: March 5, 2020Inventors: Naoshige KITAMURA, Shinsuke FUSHIMI, Kazutaka OKUMOTO, Hideyuki NISHIMURA
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Patent number: 10449701Abstract: A molded product production system includes at least two measuring feeders configured to simultaneously adjust an amount of a discharged powdery material to a target value and feed the powdery material, a mixer configured to mix at least two powdery materials fed from the measuring feeders to obtain mixed powdery materials, a filler configured to fill, with the mixed powdery materials obtained by the mixer, a die bore of a compression-molding machine configured to compress a powdery material to mold a molded product, a sensor configured to measure a mixing degree of the mixed powdery materials obtained by the mixer, and a controller configured to adjust an amount of at least one of the powdery materials fed by the measuring feeders, or motion speed of a mixing member configured to agitate powdery materials in the mixer in accordance with the mixing degree of the mixed powdery materials measured by the sensor.Type: GrantFiled: February 1, 2017Date of Patent: October 22, 2019Assignee: KIKUSUI SEISAKUSHO LTD.Inventors: Naoshige Kitamura, Jun Oyama
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Publication number: 20190193309Abstract: A controller is configured to adjust, by increasing or decreasing an amount of a lubricant mixed with the powdery material, an amount of a lubricant applied to an inner circumference of a die bore and tips, or a time to mix the lubricant to be mixed with the powdery material and the powdery material, in accordance with whether or not the molded product has defectiveness, a pressure applied to the lower punch pushing the molded product out of the die bore, a temperature of the die bore, the upper punch, or the lower punch, a temperature of the powdery material, or a humidity of the powdery material.Type: ApplicationFiled: December 6, 2018Publication date: June 27, 2019Inventors: Naoshige Kitamura, Shinsuke Fushimi
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Publication number: 20180264490Abstract: A powdery-material feeding device includes a hopper configured to reserve a powdery material, a transfer member configured to deliver and to discharge the powdery material fed from the hopper, a motor configured to drive the transfer member, a measuring instrument configured to measure a discharge amount of a powdery material delivered to be discharged by the transfer member, and a controller configured to control, while control according to the discharge amount of the powdery material measured by the measuring instrument is not conducted, a current applied to a coil of the motor to have a substantially constant amount, to control the discharge amount of the powdery material delivered to be discharged by the transfer member to have a required amount.Type: ApplicationFiled: February 27, 2018Publication date: September 20, 2018Inventors: Shinsuke Fushimi, Naoshige Kitamura, Hideyuki Nishimura
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Publication number: 20180229462Abstract: A powdery-material feeding device is configured to feed a powdery material to a compression-molding machine configured to obtain a molded product by filling a die bore with the powdery material and to compress the powdery material with punches. The powdery-material feeding device includes a detector configured to detect a biologically-originated foreign matter mixedly contained in the powdery material to be fed to the compression-molding machine, and a controller configured to control to remove the powdery material mixedly containing the biologically-originated foreign matter detected by the detector to avoid feeding of the powdery material mixedly containing the biologically-originated foreign matter to the compression-molding machine, or to control to stop the feeding of the powdery material to the compression-molding machine.Type: ApplicationFiled: December 29, 2017Publication date: August 16, 2018Inventors: Satoshi SHIMADA, Naoshige KITAMURA
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Publication number: 20180162023Abstract: A controller of a rotary compression-molding machine is configured to rotate a turret including a table including a die bore, and punch retaining portions vertically slidably retaining punches disposed above and below the die bore along with the punches, and to fill the die bore with a powdery material from a filling device disposed just above the table, to compress the powdery material filled in the die bore with the punches and to obtain a molded product. The controller is configured to adjust rotational speed of the turret and the punches to allow the powdery material in a feed pipe, directly connected with the filling device and configured to feed the filling device with the powdery material, to have a level of an upper surface kept within a constant target range.Type: ApplicationFiled: November 3, 2017Publication date: June 14, 2018Inventors: Naoshige KITAMURA, Toshihiro NAKAOKA
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Publication number: 20170282420Abstract: A molded product production system includes a powdery material mixing and feeding device configured to feed mixed powdery materials including at least two types of powdery materials, a filler configured to fill, with the mixed powdery materials fed by the powdery material mixing and feeding device, a die bore of a compression-molding machine, a sensor configured to measure a mixing degree of the mixed powdery materials fed by the powdery material mixing and feeding device, and a molded product removal mechanism configured to distinguish a molded product obtained by compression molding mixed powdery materials having a mixing degree measured by the sensor out of a predetermined range from a molded product obtained by compression molding mixed powdery materials having a mixing degree within the predetermined range.Type: ApplicationFiled: February 1, 2017Publication date: October 5, 2017Inventors: Naoshige KITAMURA, Jun OYAMA
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Publication number: 20170282421Abstract: A molded product production system includes at least two measuring feeders configured to simultaneously adjust an amount of a discharged powdery material to a target value and feed the powdery material, a mixer configured to mix at least two powdery materials fed from the measuring feeders to obtain mixed powdery materials, a filler configured to fill, with the mixed powdery materials obtained by the mixer, a die bore of a compression-molding machine configured to compress a powdery material to mold a molded product, a sensor configured to measure a mixing degree of the mixed powdery materials obtained by the mixer, and a controller configured to adjust an amount of at least one of the powdery materials fed by the measuring feeders, or motion speed of a mixing member configured to agitate powdery materials in the mixer in accordance with the mixing degree of the mixed powdery materials measured by the sensor.Type: ApplicationFiled: February 1, 2017Publication date: October 5, 2017Inventors: Naoshige KITAMURA, Jun OYAMA
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Publication number: 20170281552Abstract: A powdery material mixing degree measurement device includes a discharger configured to discharge mixed powdery materials to a filler configured to fill, with the powdery materials, a vertically penetrating die bore of a compression-molding machine including a table including the die bore, a slidable lower punch including an upper end inserted to the die bore, and a slidable upper punch including a lower end inserted to the die bore, a plurality of movable portions configured to move the mixed powdery materials to the discharger, and a sensor configured to measure a mixing degree of the mixed powdery materials in the movable portions.Type: ApplicationFiled: February 1, 2017Publication date: October 5, 2017Inventors: Jun OYAMA, Naoshige Kitamura
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Publication number: 20160361885Abstract: A powdery material mixing and feeding device is configured to mix at least two types of powdery materials and to feed a compression-molding machine with the mixed powdery materials. The powdery material mixing and feeding device includes a first mixer configured to rotate about a substantially vertical shaft and to mix the powdery materials, and a reservoir configured to reserve at least a part of the powdery materials, and a second mixer configured to rotate about a substantially horizontal shaft and to mix the powdery materials.Type: ApplicationFiled: April 12, 2016Publication date: December 15, 2016Inventors: Jun OYAMA, Naoshige KITAMURA