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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：US20180311974A1
公开(公告)日：2018-11-01
申请号：US15963549
申请日：2018-04-26
Applicant: SHIBAURA MECHATRONICS CORPORATION
Inventor： Yasutsugu Tsuruoka , Hironori Haijima , Toru Kuribayashi , Yuki Umemura
CPC classification number: B41J11/007 , B41J3/407 , B41J11/0085 , B65G15/58
Abstract: According to one embodiment, a tablet printing apparatus includes: a conveyor belt including a suction hole to suck a tablet; and an ink jet print head configured to perform printing on the tablet; wherein the conveyor belt further includes a plurality of protrusions formed around the suction hole and configured to support the tablet in contact with the tablet, and a recess formed between the protrusions and communicated with the suction hole, each of the protrusions has a bottom surface, an upper surface, area of which is smaller than that of the bottom surface, and a side surface having an inclined surface, the protrusions support the tablet such that a gap is formed between a surface of the tablet on conveyor belt side and the suction hole, and a suction force is applied to the gap and space of the recess through the suction hole to suck the tablet.
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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：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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Patent Agency Ranking
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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公开(公告)号：US10220640B2
公开(公告)日：2019-03-05
申请号：US15963549
申请日：2018-04-26
Applicant: SHIBAURA MECHATRONICS CORPORATION
Inventor： Yasutsugu Tsuruoka , Hironori Haijima , Toru Kuribayashi , Yuki Umemura
Abstract: According to one embodiment, a tablet printing apparatus includes: a conveyor belt including a suction hole to suck a tablet; and an ink jet print head configured to perform printing on the tablet; wherein the conveyor belt further includes a plurality of protrusions formed around the suction hole and configured to support the tablet in contact with the tablet, and a recess formed between the protrusions and communicated with the suction hole, each of the protrusions has a bottom surface, an upper surface, area of which is smaller than that of the bottom surface, and a side surface having an inclined surface, the protrusions support the tablet such that a gap is formed between a surface of the tablet on conveyor belt side and the suction hole, and a suction force is applied to the gap and space of the recess through the suction hole to suck the tablet.
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公开(公告)号：US10124580B2
公开(公告)日：2018-11-13
申请号：US15740465
申请日：2016-05-30
Applicant: SHIBAURA MECHATRONICS CORPORATION
Inventor： Azusa Hirano , Yasutsugu Tsuruoka , Junsuke Komito
Abstract: [Problem to be Solved] To provide a tablet printing apparatus and a tablet printing method that can perform printing with high quality by ejecting ink droplets to a tablet with a various posture from a plurality of nozzles.[Solution] A tablet printing apparatus includes: inclined posture detector (23, 100) that detects an inclined posture of a conveyed tablet with respect to a conveying surface; a printer including an inkjet head 21 equipped with a plurality of nozzles for ejecting an ink droplet, the printer performing printing on the conveyed tablet by ejecting ink to the conveyed tablet from the plurality of nozzles; and a controller 100 for adjusting preset printing data corresponding to an inclined posture of the tablet detected by the inclined posture detector such that predetermined printing is performed on the tablet, wherein the printer performs printing on the tablet based on printing data adjusted by the printing data adjuster.
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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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