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公开(公告)号：US11203215B2
公开(公告)日：2021-12-21
申请号：US17026427
申请日：2020-09-21
Applicant: SHIBAURA MECHATRONICS CORPORATION
Inventor： Azusa Hirano , Hironori Haijima , Junpei Tanaka
Abstract: A tablet printing apparatus 1 includes an inspection unit 53 determining whether or not the printed tablet T is good product, a good product collecting device 43 collecting the tablet T of the good product from the carrying belt 31a, a defective product collecting device 41 collecting the tablet other than the good product from the carrying belt 31a, a discharge confirming sensor 41c detecting whether or not the tablet other than the good tablet is collected by the defective product collecting device 41, and a re-inspection product collecting device 42 collecting the tablet T other than the good product from the carrying belt 31 a when a collecting operation for collecting the tablet T other than the good product is performed by the defective product collecting device 41, and the discharge confirming sensor 41c detects that the tablet T other than the good tablet is not collected.
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公开(公告)号：US10293597B2
公开(公告)日：2019-05-21
申请号：US15897513
申请日：2018-02-15
Applicant: SHIBAURA MECHATRONICS CORPORATION
Inventor： Azusa Hirano , Yasutsugu Tsuruoka , Yuki Umemura , Junsuke Komito
IPC: B41J3/407 , B41F17/36 , B41J2/145 , B41J13/08 , B41J13/00 , B41J2/165 , A61J3/00 , B41J11/00 , B41M5/00
Abstract: According to one embodiment, a tablet printing apparatus includes: a conveyor belt that includes a suction hole connected to a suction chamber, and conveys a tablet while sucking the tablet to the suction hole; an ink jet print head that has a nozzle surface where a nozzle is formed, and is located above the conveyor belt such that the nozzle surface faces the conveyor belt, and performs printing on the tablet conveyed by the conveyor belt; and a control plate that is located on the upstream side of the print head in the conveying direction of the tablet between the conveyor belt and the height position of the nozzle surface of the print head, and controls an airflow generated between the conveyor belt and the print head.
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公开(公告)号：US11155101B2
公开(公告)日：2021-10-26
申请号：US16807241
申请日：2020-03-03
Applicant: SHIBAURA MECHATRONICS CORPORATION
Inventor： Azusa Hirano , Yasutsugu Tsuruoka
IPC: B41J3/407
Abstract: According to one embodiment, a tablet printing apparatus includes: a conveyor configured to convey a tablet while sucking and holding the tablet by the discharge of air; an inkjet head configured to perform printing on the tablet conveyed by the conveyor; an exhaust pipe which the air discharged from the conveyor passes through; an exhaust blower as a heat source that generates heat; a heat conductive member that is in contact with the exhaust pipe and the exhaust blower; and a housing configured to house the conveyor, the inkjet head, the exhaust pipe, the exhaust blower, and the heat conductive member.
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公开(公告)号：US10596828B2
公开(公告)日：2020-03-24
申请号：US16132935
申请日：2018-09-17
Applicant: SHIBAURA MECHATRONICS CORPORATION
Inventor： Azusa Hirano , Yasutsugu Tsuruoka , Hironori Haijima , Ryo Ikuta
Abstract: According to one embodiment, a tablet printing apparatus includes: a conveying path where a tablet is conveyed; a drying device configured to dry the tablet in the conveying path; and a print head device located on the downstream side of the drying device in the conveying path. The print head device is configured to perform printing on the tablet dried by the drying device.
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公开(公告)号：US10160217B2
公开(公告)日：2018-12-25
申请号：US15716728
申请日：2017-09-27
Applicant: SHIBAURA MECHATRONICS CORPORATION
Inventor： Hitoshi Aoyagi , Azusa Hirano , Yasutsugu Tsuruoka
Abstract: According to one embodiment, a tablet printing apparatus includes: a conveyor; an inkjet head configured to eject ink from a nozzle to a tablet conveyed by the conveyor to perform printing; an ink tank configured to contain the ink to be supplied to the inkjet head; a moving device configured to change the height of the ink tank; and a control unit configured to control the moving device. The control unit controls the moving device to change the height of the ink tank based on a use amount of the ink figured out in advance to maintain a head difference between the height of the liquid level of the ink in the ink tank and the height of a nozzle forming surface, where the nozzle is formed in the inkjet head, at a predetermined value.
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Patent Agency Ranking
公开(公告)号：US10814644B2
公开(公告)日：2020-10-27
申请号：US16368532
申请日：2019-03-28
Applicant: SHIBAURA MECHATRONICS CORPORATION
Inventor： Azusa Hirano , Yasutsugu Tsuruoka , Noritsugu Tanio , Shinichi Ogimoto , Junsuke Komito
Abstract: According to one embodiment, a tablet printing apparatus includes a conveyor, an inkjet print head, and a controller. The conveyor is configured to convey a tablet having an outer shape that does not determine the printing direction of a print pattern to be printed thereon. The print head includes a plurality of nozzles each configured to eject a liquid to print the print pattern on the tablet being conveyed. The controller is configured to control the print head to perform printing on the tablet being conveyed such that the printing direction of the print pattern is changed at predetermined intervals at least between a first direction which is parallel to or crosses the conveying direction of the tablet, and a second direction which crosses the conveying direction, and in which more nozzles are used for printing than in the first direction.
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公开(公告)号：US10596811B2
公开(公告)日：2020-03-24
申请号：US15567789
申请日：2016-04-19
Applicant: SHIBAURA MECHATRONICS CORPORATION
Inventor： Ryo Ikuta , Hitoshi Aoyagi , Azusa Hirano , Hikaru Hoshino
Abstract: [Problem to be Solved]To provide a tablet printing apparatus that can prevent drying of ink on the tip end of each nozzle of an inkjet printing mechanism, when a tablet does not arrive at a print position.[Solution]A tablet printing apparatus includes: conveyor mechanism 17 that conveys sequentially fed tablets by moving a conveyor belt 171; an inkjet printing mechanism that performs printing on a tablet in a print position; a suction mechanism 174a that holds a tablet on the surface of the conveyor belt in a predetermined area including at least the print position by sucking in air; determination means (S15) that determines whether a tablet arrives at the print position; and head retreat means (32, S21) that retreats an inkjet head 31 such that a tip end part of each of the nozzles of the inkjet printing mechanism goes away from the surface of the conveyor belt, when it is determined that a tablet does not arrive at the print position.
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公开(公告)号：US10406826B2
公开(公告)日：2019-09-10
申请号：US15579236
申请日：2016-05-11
Applicant: SHIBAURA MECHATRONICS CORPORATION
Inventor： Azusa Hirano , Yasutsugu Tsuruoka
Abstract: According to one embodiment, a tablet printing device 1 includes: a conveyer 10 configured to convey a tablet T; a laser displacement meter 30 configured to emit laser beams to the tablet T conveyed by the conveyer 10 and receive the laser beams reflected by the tablet T; a determination unit 81 configured to determine whether there is a split line on the upper surface of the tablet T conveyed by the conveyer 10 based on an output value of the laser displacement meter 30; and a printing unit 50 configured to perform printing on the tablet T conveyed by the conveyer 10 based on a determination result obtained by the determination unit 81.
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公开(公告)号：US10709639B2
公开(公告)日：2020-07-14
申请号：US16059097
申请日：2018-08-09
Applicant: SHIBAURA MECHATRONICS CORPORATION
Inventor： Azusa Hirano , Yasutsugu Tsuruoka
IPC: B65H5/22 , A61J3/06 , B41J3/407 , B65H7/14 , B65H7/20 , B41J2/21 , B41J11/00 , B41J21/00 , B41J29/387 , A61J3/00
Abstract: According to one embodiment, a tablet printing apparatus includes: a conveyor belt configured to convey a tablet; a print head configured to perform printing on the tablet conveyed by the conveyor belt; and a belt-position detector configured to detect the position of the conveyor belt in a direction crossing the conveying direction of the tablet in a horizontal plane. The conveyor belt includes a plurality of holes arranged in a row along the conveying direction of the tablet to hold the tablet. The belt-position detector includes an imaging device configured to capture an image of two or more of the holes; and an image processing device configured to detect the position of the conveyor belt in the crossing direction based on the image captured by the imaging device.
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公开(公告)号：US20190217631A1
公开(公告)日：2019-07-18
申请号：US16368532
申请日：2019-03-28
Applicant: SHIBAURA MECHATRONICS CORPORATION
Inventor： Azusa Hirano , Yasutsugu Tsuruoka , Noritsugu Tanio , Shinichi Ogimoto , Junsuke Komito
Abstract: According to one embodiment, a tablet printing apparatus includes a conveyor, an inkjet print head, and a controller. The conveyor is configured to convey a tablet having an outer shape that does not determine the printing direction of a print pattern to be printed thereon. The print head includes a plurality of nozzles each configured to eject a liquid to print the print pattern on the tablet being conveyed. The controller is configured to control the print head to perform printing on the tablet being conveyed such that the printing direction of the print pattern is changed at predetermined intervals at least between a first direction which is parallel to or crosses the conveying direction of the tablet, and a second direction which crosses the conveying direction, and in which more nozzles are used for printing than in the first direction.
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