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公开(公告)号：US20210230802A1
公开(公告)日：2021-07-29
申请号：US17159273
申请日：2021-01-27
Applicant: SEIKO EPSON CORPORATION
Inventor： Toshiaki YAMAGAMI , Hidehiro TAKANO , Kazuhiro ICHIKAWA , Nobumasa ABE , Yoichi MIYASAKA
IPC: D21F11/04 , D21B1/06 , D21F1/02 , D21F2/00 , D21F1/48 , D21F3/00 , D21H23/04 , D21H21/34 , D21H17/20 , D21H27/42
Abstract: Equipment for manufacturing a fiber structure in the present disclosure includes: a defibrator configured to pulverize and defibrate a fiber material containing fibers; a transport pipe through which a defibrated material defibrated by the defibrator is transported; a melting-material mixing section configured to mix a melting material into the defibrated material transported through the transport pipe; a fibrous-web forming machine configured to accumulate the defibrated material in which the melting material is mixed and form a fibrous web; a sheet supply section configured to supply a shape-maintaining sheet to the fibrous web; and a heating-and-compression mechanism configured to compress the shape-maintaining sheet and the fibrous web between planar plates and heat the shape-maintaining sheet and the fibrous web to a temperature equal to or higher than a temperature at which the melting material softens.
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公开(公告)号：US20200230964A1
公开(公告)日：2020-07-23
申请号：US16744313
申请日：2020-01-16
Applicant: SEIKO EPSON CORPORATION
Inventor： Yoichi MIYASAKA
Abstract: A liquid absorber includes a plurality of small parts each including a first layer containing fibers, a second layer containing fibers, and a third layer which contains a water absorbing resin and which is provided between the first layer and the second layer. When the water absorbing resin is measured in accordance with a plastic thermogravimetric measurement method defined by JIS K 7120: 1987 under measurement conditions in which a sample amount is 5 to 15 mg, a temperature increase rate is 10.0° C./min, and a measurement atmosphere is nitrogen, from a TG curve obtained thereby, the ratio of a weight decrease amount of the water absorbing resin at 400° C. with respect to an initial weight thereof is 0.050 to less than 0.500.
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3.发明申请公开(公告)号：US20190299607A1
公开(公告)日：2019-10-03
申请号：US16364259
申请日：2019-03-26
Applicant: Seiko Epson Corporation
Inventor： Yoichi MIYASAKA , Kaneo YODA , Nobutaka URANO , Seiichi TANIGUCHI , Akio ITO , Shunichi SEKI
IPC: B41J2/055
Abstract: An ink absorber includes: an ink absorbing member that is capable of absorbing ink; an accommodation section that accommodates the ink absorbing member; and a detachment structure section that detaches the ink absorbing member from the accommodation section. In the ink absorber, it is preferable that the accommodation section have a bottom section and side wall sections standing up from the bottom section, that inclined surfaces inclined relative to the bottom section be formed inside the side wall sections, and that the detachment structure section be configured with the inclined surfaces.
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公开(公告)号：US20190032280A1
公开(公告)日：2019-01-31
申请号：US16048579
申请日：2018-07-30
Applicant: SEIKO EPSON CORPORATION
Inventor： Yoichi MIYASAKA
Abstract: A sheet manufacturing apparatus includes a defibrator configured to produce defibrated material, a feedstock supply unit, a monitoring device, and a cleaning device. The feedstock supply unit includes a conveyance device configured to convey feedstock, a storage device configured to accumulate the feedstock conveyed from the conveyance device and supply the feedstock to the defibrator, and a measuring device configured to measure a state of the feedstock accumulated on the storage device. The monitoring device is configured to predict stopping of conveyance of the feedstock by the feedstock supply unit and activate the cleaning device when a conveyance speed of the feedstock by the feedstock supply unit becomes slower than during normal operation. The cleaning device is configured to execute on at least one of the conveyance device and the storage device a cleaning process that preemptively prevents the stopping of conveyance.
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公开(公告)号：US20230045008A1
公开(公告)日：2023-02-09
申请号：US17878102
申请日：2022-08-01
Applicant: SEIKO EPSON CORPORATION
Inventor： Yoichi MIYASAKA
Abstract: A pressing machine that applies heat and pressure to a press object transported in a first direction includes a first die having a first heater, a second die having a second heater and being disposed above the first die, a support member that supports the first die and the second die, and a movement mechanism that moves the support member from a first position to a second position located in a second direction intersecting the first direction from the first position, in which the first position is the position at which the first die and the second die apply heat and pressure to the press object and the second position is the position at which the first die and the second die do not face the press object.
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Patent Agency Ranking
6.发明申请公开(公告)号：US20210381144A1
公开(公告)日：2021-12-09
申请号：US17335209
申请日：2021-06-01
Applicant: SEIKO EPSON CORPORATION
Inventor： Toshiaki YAMAGAMI , Yoichi MIYASAKA
Abstract: A fiber structure manufacturing apparatus includes: a defibration unit that pulverizes and defibrates a fiber raw material that contains fibers; a transportation unit that transports a defibrated material after defibration by the defibration unit; a melting-material mixing unit that mixes a melting material into the defibrated material transported by the transportation unit; a fibrous web forming unit that forms a fibrous web by causing a mixture of the defibrated material and the melting material to accumulate; a sheet supplying unit that supplies a shape retainer sheet to the fibrous web; and a heating-and-pressing mechanism that forms a fiber structure by heating and pressing the fibrous web after the shape retainer sheet is supplied; wherein the sheet supplying unit supplies the shape retainer sheet in such a state that nap is raised on a surface, of the shape retainer sheet, that is to be in contact with the fibrous web.
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公开(公告)号：US20210031526A1
公开(公告)日：2021-02-04
申请号：US17042234
申请日：2019-02-06
Applicant: SEIKO EPSON CORPORATION
Inventor： Yoichi MIYASAKA
IPC: B41J2/165
Abstract: The liquid absorbing structure includes: a liquid absorber having a fiber and a water absorbent resin capable of absorbing liquid; and a container having a supply port through which the liquid is supplied and a storage space in which the liquid absorber is stored. The liquid absorber contains a first liquid absorber and a second liquid absorber that are different in density of at least one of the fiber and the water absorbent resin. The first liquid absorber and the second liquid absorber are disposed at different positions in the container.
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公开(公告)号：US20200207084A1
公开(公告)日：2020-07-02
申请号：US16726326
申请日：2019-12-24
Applicant: SEIKO EPSON CORPORATION
Inventor： Yoichi MIYASAKA
Abstract: A filling apparatus that fills a container provided with an interior space, an opening through which the interior space and the outside communicate with each other, and a bottom surface, with a liquid absorber having a water absorbent resin absorbing a liquid, the apparatus includes a stage on which the container is placed, and a vibration applying portion that applies a vibration to the container placed on the stage, in which the vibration is applied as a vibration plane formed in an angle range in which an angle to a horizontal plane is within 0°±30°.
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公开(公告)号：US20200016573A1
公开(公告)日：2020-01-16
申请号：US16507216
申请日：2019-07-10
Applicant: SEIKO EPSON CORPORATION
Inventor： Shinobu YOKOKAWA , Yoichi MIYASAKA , Kaneo YODA , Nobutaka URANO
Abstract: An absorbent composite includes a water absorbent resin in which a nonionic cross-linked polymer and an anionic cross-linked polymer are mixed, and a fiber base material containing a fiber, and a content of the water absorbent resin in the absorbent composite is 5% or more and less than 65%.
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公开(公告)号：US20170314173A1
公开(公告)日：2017-11-02
申请号：US15652543
申请日：2017-07-18
Applicant: SEIKO EPSON CORPORATION
Inventor： Toshiaki YAMAGAMI , Yoichi MIYASAKA , Nobuhito TAKAHASHI
CPC classification number: D04H1/732 , D21B1/06 , D21C5/02 , D21G9/0009
Abstract: A sheet manufacturing apparatus can determine if the sheets supplied as feedstock have already been recycled. The sheet manufacturing apparatus has a supply unit configured to supply feedstock; a defibrating unit configured to defibrate the feedstock; an depositing unit configured to deposit defibrated material defibrated by the defibrating unit; a forming unit configured to form a sheet from a web laid by the depositing unit; a marking unit configured to apply a mark to at least one of the web and the sheet; and a reading unit configured to read the mark imparted to the feedstock when a sheet having mark imparted thereto is supplied as the feedstock.
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