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公开(公告)号:US12049030B2
公开(公告)日:2024-07-30
申请号:US17975680
申请日:2022-10-28
Applicant: SEIKO EPSON CORPORATION
Inventor: Hidenobu Maruyama , Kenta Anegawa
CPC classification number: B29C45/13 , B29C45/04 , B29C45/401 , B29C45/74 , B29C45/78 , B29C2045/135 , B29C2945/76531 , B29C2945/76732 , B29C2945/76862 , B29K2101/10
Abstract: An injection molding system includes a first unit that has a first injection molding machine configured to inject a first molding material into a first cavity partitioned by a first fixed mold and a movable mold, a second unit that includes a second injection molding machine configured to inject a second molding material into a second cavity partitioned by a second fixed mold and the movable mold, and a movement mechanism configured to, after the first molding material is injected into the first cavity, move the movable mold filled with the first molding material from the first injection molding machine to the second injection molding machine.
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公开(公告)号:US12042968B2
公开(公告)日:2024-07-23
申请号:US17815853
申请日:2022-07-28
Applicant: SEIKO EPSON CORPORATION
Inventor: Masayuki Gozu
IPC: B29C45/47 , B29C45/58 , B29C45/74 , B29C64/209 , B33Y30/00
CPC classification number: B29C45/47 , B29C45/58 , B29C45/74 , B29C64/209 , B33Y30/00
Abstract: A plasticizing device includes: a drive motor; a screw shaft rotated by the drive motor; a flat screw having a coupling surface coupled to the screw shaft and a groove forming surface in which a groove is formed, and configured to rotate around the screw shaft; a barrel having a facing surface facing the groove forming surface, and formed with a communication hole; a heating unit configured to heat a material supplied to between the flat screw and the barrel; and a bearing part configured to rotatably support the screw shaft and receive a thrust load applied to the screw shaft from the flat screw. The groove forming surface and the facing surface are separated from each other at a predetermined interval.
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公开(公告)号:US12023830B2
公开(公告)日:2024-07-02
申请号:US17360039
申请日:2021-06-28
Applicant: Seiko Epson Corporation
Inventor: Kenta Anegawa
IPC: B29C45/00 , B29C45/47 , B29C45/74 , B29C64/188 , B29C64/314 , B29C64/357
CPC classification number: B29C45/0055 , B29C45/47 , B29C45/74 , B29C2045/0058 , B29C64/188 , B29C64/314 , B29C64/357 , B29C2793/0027
Abstract: A shaping device includes a cutting unit configured to cut a first shaped product or an intermediate component formed by adding a shaping material to the first shaped product on a stage, and a control unit configured to control the cutting unit to cut the first shaped product or the intermediate component to shape a shaped object different from the first shaped product and the intermediate component.
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4.
公开(公告)号:US20240051208A1
公开(公告)日:2024-02-15
申请号:US18266549
申请日:2021-11-17
Applicant: THE JAPAN STEEL WORKS, LTD.
Inventor: Akihiro NAITO , Takuya YUFU
CPC classification number: B29C45/77 , B29C45/03 , B29C45/18 , B29C45/74 , B29C45/7613 , B29C45/768 , B29C2945/76006 , B29C2945/76498 , B29C2945/7619 , B29C2945/76361 , B29C2945/76668 , B29C2945/76839 , B29C2945/76933 , B29C2945/76545
Abstract: An injection molding machine includes a heating cylinder provided with a gas inlet, a screw, a gas cylinder, a pressure reducing valve configured to reduce a primary pressure of a gas from the gas cylinder to a secondary pressure, a gas supply portion configured to supply the gas at the secondary pressure to the gas inlet, a secondary pressure detection device configured to detect the secondary pressure, and a controller. The controller is configured to detect an abnormality by comparing a set pressure set in advance in the injection molding machine with the secondary pressure.
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公开(公告)号:US11878454B2
公开(公告)日:2024-01-23
申请号:US17969716
申请日:2022-10-20
Applicant: SEIKO EPSON CORPORATION
Inventor: Kenta Anegawa
CPC classification number: B29C45/62 , B29C45/47 , B29C45/60 , B29C45/74 , B29C64/118 , B29C64/20 , B33Y30/00
Abstract: A plasticizer includes a drive motor, a flat screw that has a groove forming surface where a groove is formed and is rotated by the drive motor, a barrel which has a groove facing surface that faces the groove forming surface and in which a communication hole is formed, and a heater that heats resin pellets supplied to the space between the flat screw and the barrel, and at least one of the flat screw and the barrel is at least partially formed of a transparent member, and the resin pellets between the flat screw and the barrel is visible through the transparent member.
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公开(公告)号:US11840001B2
公开(公告)日:2023-12-12
申请号:US17243608
申请日:2021-04-29
Applicant: JING SI PURELAND CO., LTD.
Inventor: Marshall Q. Siao
CPC classification number: B29C45/18 , B29C45/531 , B29C45/54 , B29C45/581 , B29C45/586 , B29C45/60 , B29C45/62 , B29C45/74 , B29C2045/1875 , B29C2045/583 , B29K2105/26
Abstract: The present disclosure provides an injection machine for a recycled plastic injection molding system. The injection machine comprises a supplying system configured to drive plastics from an entry end to downstream of receiving route, a heating system disposed to downstream of the supplying system and configured to melt plastics and drive plastics to the downstream of receiving route, and a buffer system disposed to downstream of the heating system and configured to be a receiving state and a supplying state. When the buffer system is in the receiving state, the buffer system is configured to receiving plastics from the heating system. When the buffer system is in the supplying state, the buffer system is configured to drive plastics to downstream of the receiving route.
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公开(公告)号:US20230382033A1
公开(公告)日:2023-11-30
申请号:US18322103
申请日:2023-05-23
Applicant: THE JAPAN STEEL WORKS, LTD.
Inventor: Takuya YUFU , Akihiro NAITO , Yasutaka OTSUJI
CPC classification number: B29C45/74 , B29C45/80 , B29C35/0805 , B29C2045/2748
Abstract: A heating cylinder heater includes a plurality of infrared heaters disposed around a heating cylinder in a non-contact manner with respect to the heating cylinder, a heat insulating material provided outside the infrared heaters, and a cover configured to cover the heat insulating material. The cover has two or more opening portions, and a part or all of the two or more opening portions are each provided with an opening-closing device that is configured to open and close the corresponding opening portion.
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公开(公告)号:US11813783B2
公开(公告)日:2023-11-14
申请号:US17023482
申请日:2020-09-17
Applicant: SEIKO EPSON CORPORATION
Inventor: Kakeru Sasagawa , Kei Yokota , Kenta Anegawa , Seiichiro Yamashita , Yuji Shinbaru , Kazunobu Maruyama , Daichi Miyashita , Hiroki Takano , Riona Hayashi
CPC classification number: B29C45/7626 , B29C45/1769 , B29C45/42 , B29C45/47 , B29C45/60 , B29C45/62 , B29C45/74
Abstract: An injection molding system includes: an injection molding machine; an inspection device including a first placement unit, a second placement unit, an inspection unit, and a moving unit configured to change a relative position between the first placement unit and the inspection unit and a relative position between the second placement unit and the inspection unit; a third placement unit; a robot configured to convey the molded object; and a control device. The control device controls the injection molding machine, the robot, and the inspection device so as to mold a first molded object during a first molding period, inspect the first molded object placed on the first placement unit during a first inspection period, convey the first molded object after inspection from the first placement unit to the third placement unit during a first conveyance period, mold a second molded object during a second molding period, inspect the second molded object placed on the second placement unit during a second inspection period, convey the second molded object after inspection from the second placement unit to the third placement unit during a second conveyance period, and overlap the first inspection period and the second molding period and overlap the second inspection period and the first conveyance period.
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9.
公开(公告)号:US20230311391A1
公开(公告)日:2023-10-05
申请号:US17993403
申请日:2022-11-23
Applicant: SUMITOMO HEAVY INDUSTRIES, LTD.
Inventor: Yutaka TSUTSUMI , Daigo HOTTA , Shun SHIBUYA , Yuki MATSUI
CPC classification number: B29C45/78 , B29C45/74 , B29C2945/76043 , B29C2945/76658 , B29C2945/76381 , B29C2945/76414 , B29C2945/76531 , B29C2945/7619
Abstract: A technique for managing a shear heating value of a molding material is provided. A control device of an injection molding machine individually controls outputs of a plurality of heating units for a plurality of zones, respectively, into which a cylinder is divided in a flow direction of a molding material. The control device acquires the output of the heating unit provided in a predetermined zone both in a steady state in which an operation of a screw provided inside the cylinder is stopped and at a time of molding at which the operation of the screw is performed, and calculates a difference in output of the heating unit provided in the predetermined zone between at a time of molding and in the steady state.
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公开(公告)号:US20230302701A1
公开(公告)日:2023-09-28
申请号:US17772563
申请日:2020-10-21
Applicant: SHIBAUR MACHINE CO., LTD.
Inventor: Hiroshi OKUYAMA
CPC classification number: B29C45/7646 , B29C45/0001 , B29C45/47 , B29C45/74 , B29K2105/0058
Abstract: There is provided a method for controlling a fluidity index of a molten resin, which can detect the fluidity of a molten resin even during successive molding operations and, in addition, can control the fluidity within a target range. The method includes: assuming that a narrow flow path, formed in a flow path for the molten resin, is a capillary or an orifice, and measuring, based on the amount of a metered molten resin and the back pressure applied to the screw during a metering step, a fluidity index which indicates the fluidity of the metered molten resin; and feeding back the measured fluidity index value and comparing it with a target value, and controlling the back pressure or the rotating speed of the screw so as to eliminate a deviation between the target value and the measured value.
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