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11.发明申请公开(公告)号：US20190218713A1
公开(公告)日：2019-07-18
申请号：US16250638
申请日：2019-01-17
Applicant: SEIKO EPSON CORPORATION
Inventor： Yuki OGUCHI , Soichiro SEO
Abstract: Variation in the thickness of accumulated material is suppressed when material containing fiber is dispersed by the sieve and accumulated. A sheet manufacturing apparatus includes a drum that sieves defibrated material containing fiber, a first web former that accumulates first screened material discharged from the drum, and a processor that processes a first web accumulated in the first web former. During processing by the processor, the mesh belt operates at a first speed. When operation starts with the drum not operating, a startup operation including the mesh belt operating at a higher speed than the first speed in a first period after the drum starts is executed.
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公开(公告)号：US20210355604A1
公开(公告)日：2021-11-18
申请号：US17315392
申请日：2021-05-10
Applicant: SEIKO EPSON CORPORATION
Inventor： Katsuhito GOMI , Yuki OGUCHI
Abstract: A screw feeder includes: a case that includes a material putting-in portion through which a fluff material is put in and a material putting-out portion through which the fluff material is put out below the material putting-in portion; and a screw that includes a rotational shaft and a blade portion, the rotational shaft being provided rotatably inside the case, the blade portion being spirally mounted on the rotational shaft; wherein the screw is rotated with repeated alternation of a slope-down direction in which the blade portion slopes downward spirally in a vertical direction and a slope-up direction in which the blade portion slopes upward spirally in the vertical direction.
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公开(公告)号：US20210277602A1
公开(公告)日：2021-09-09
申请号：US16328330
申请日：2017-08-03
Applicant: SEIKO EPSON CORPORATION
Inventor： Yuki OGUCHI , Takao MIKOSHIBA
Abstract: An accumulating unit that discharges fibers by rotating a drum unit in which a plurality of openings are formed, a second web forming unit that forms a second web by operating a mesh belt, a sheet forming unit that forms a sheet from the second web, and a control unit that performs a start control for operating the accumulating unit and the second web forming unit from the stop state are included. In a case where the start control is performed from a state where the fibers are present in the drum unit, the control unit adjusts a thickness of the second web by controlling at least one of a timing at which rotation of the drum unit is initiated, a rotational speed of the drum unit, a timing at which movement of the mesh belt is initiated, and a movement speed of the mesh belt.
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公开(公告)号：US20190100877A1
公开(公告)日：2019-04-04
申请号：US16146549
申请日：2018-09-28
Applicant: SEIKO EPSON CORPORATION
Inventor： Yuki OGUCHI
Abstract: A sheet manufacturing apparatus can easily adjust the stiffness of sheets made by the sheet manufacturing apparatus. The sheet manufacturing apparatus has a first material supply device that supplies a first material containing fiber; a second material supply device that supplies a second material containing fiber with an average fiber length shorter than the average fiber length of the first material; and a controller configured to control operation of the first material supply device and second material supply device. The controller has a first mode in which the first material is supplied from the first material supply device, and a second mode in which the second material is supplied from the second material supply device, and selects either the first mode or the second mode.
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Patent Agency Ranking
公开(公告)号：US20160121564A1
公开(公告)日：2016-05-05
申请号：US14921787
申请日：2015-10-23
Applicant: SEIKO EPSON CORPORATION
Inventor： Yuki OGUCHI
Abstract: There is provided a sheet manufacturing apparatus, including: a supplying unit configured to supply a cut-form material including fibers; a detection unit configured to detect information related to a weight of the material which is processed to be supplied by the supplying unit; a defibrating unit configured to defibrate the material; and a forming unit configured to form a sheet by using at least a part of a defibrated material defibrated by the defibrating unit, in which a supply interval of at least one material among a plurality of materials to be supplied later increases in a case where the weight of the material which is supplied at a unit time is heavy rather than in a case where the weight is light.
Abstract translation: 提供了一种片材制造装置，包括：供给单元，其构造成供给包含纤维的切割材料; 检测单元，被配置为检测与由所述供应单元处理的材料的重量相关的信息; 解调单元，其构造成使材料脱纤维; 以及成形单元，其被构造成通过使用由所述解纤单元解纤化的至少一部分解纤材料形成片材，其中在所述多个待供应的多个材料中的至少一种材料的供给间隔在 在单位时间供给的材料的重量是重的，而不是在重量轻的情况下。
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16.发明申请SHEET-MANUFACTURING DEVICE AND METHOD FOR CONTROLLING SHEET-MANUFACTURING DEVICE 有权片材制造装置和控制片材制造装置的方法公开(公告)号：US20160053435A1
公开(公告)日：2016-02-25
申请号：US14779878
申请日：2014-03-18
Applicant: SEIKO EPSON CORPORATION
Inventor： Yuki OGUCHI , Shunichi SEKI
Abstract: A sheet-manufacturing device that manufactures a sheet of which the quality is stable, by controlling airflow to be constant and causing a defibrated state to be constant. A sheet-manufacturing device including a defibrating unit configured to generate a defibrated material by defibrating a defibration object; a temperature acquiring unit configured to acquire a temperature of the defibrating unit; and a control unit configured to change a mass flow rate of the air including the defibrated material transported from the defibrating unit.
Abstract translation: 通过控制气流恒定并使脱纤维状态恒定来制造质量稳定的片材的片材制造装置。 一种片材制造装置，包括：解纤单元，其经配置以通过解纤维物体产生解纤材料; 温度获取单元，被配置为获取所述解纤单元的温度; 以及控制单元，被配置为改变包括从解纤单元输送的解纤维材料的空气的质量流量。
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公开(公告)号：US20190062996A1
公开(公告)日：2019-02-28
申请号：US16117538
申请日：2018-08-30
Applicant: SEIKO EPSON CORPORATION
Inventor： Kaneo YODA , Yoshiyuki NAGAI , Yuki OGUCHI , Shigeo FUJITA , Akira ARAI , Kazuhiro ICHIKAWA , Teruaki OGUCHI , Seiichi TANIGUCHI
Abstract: Provided is technology improving the efficiency (productivity) of a sheet manufacturing apparatus. A sheet manufacturing apparatus 100 manufactures sheets S by heating with heaters 81 and 82 a mixture (second web W2) of resin and fiber produced by defibrating feedstock MA. The heaters 81 and 82 each have a first roller 171, a second roller 172 that holds the second web W2 with the first roller 171, and a moving mechanism 190. The moving mechanism 190 can switch the first roller 171 and second roller 172 to a position holding the second web W2, and a first roller 171 and second roller 172 are separated and do not hold the second web W2. The heaters 81 and 82 are configured as units that can removably installed to the sheet manufacturing apparatus 100.
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18.发明申请公开(公告)号：US20180347115A1
公开(公告)日：2018-12-06
申请号：US15779632
申请日：2016-11-17
Applicant: SEIKO EPSON CORPORATION
Inventor： Yuki OGUCHI
Abstract: A sheet manufacturing apparatus includes a defibrating unit that defibrates a raw material containing a fiber in air; a mixing unit that mixes a defibrated material defibrated by the defibrating unit and a resin in air; a web forming unit that forms a web by accumulating the mixture mixed by the mixing unit on a moving body; a transporting unit that transports the web; a sheet forming unit that forms a sheet from the web; a setting unit that sets a thickness of the sheet; and a controller that controls a moving speed of the moving body and a transporting speed of the web transported by the transporting unit, in accordance with the thickness of the sheet set by the setting unit.
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公开(公告)号：US20140290889A1
公开(公告)日：2014-10-02
申请号：US14223085
申请日：2014-03-24
Applicant: SEIKO EPSON CORPORATION
Inventor： Yuki OGUCHI , Shunichi SEKI
IPC: D21F1/06
CPC classification number: B07B1/00 , B07B1/42 , D21B1/08 , D21F9/00 , Y02W30/642
Abstract: A sheet manufacturing apparatus is provided with a screen portion in which introduced material is passed through a plurality of openings; an information acquiring unit configured to acquire at least one of inflow information related to a flow rate of the material that flows into the screen portion and outflow information related to a flow rate of the material that passes through the screen portion; and a controller configured to make a determination that a clogging of the screen portion is generated when the flow rate is reduced based on at least one of the inflow information and the outflow information.
Abstract translation: 片材制造装置具有其中引入的材料通过多个开口的筛网部分; 信息获取单元，被配置为获取与流入所述屏幕部分的材料的流量相关的流入信息和与通过所述屏幕部分的材料的流量相关的流出信息中的至少一个; 以及控制器，被配置为基于流入信息和流出信息中的至少一个来确定当流量减小时屏幕部分的堵塞。
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