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公开(公告)号：US11266933B2
公开(公告)日：2022-03-08
申请号：US16479210
申请日：2017-01-19
Applicant: ROKI TECHNO CO., LTD.
Inventor： Takashi Kinjo
IPC: B01D35/30
Abstract: A attachment and detachment apparatus removably attaches a filter container containing a filter, as a part of a filtration apparatus that filters fluid with the filter. The filter container includes a first mounting protrusion having a filter container flow path in fluid communication with the filter. An outer periphery surface of the first mounting protrusion includes at least two curved surfaces respectively formed to be at least a part of an arc surface. The attachment and detachment apparatus includes a first mounting protrusion holding part that holds the first mounting protrusion. The first mounting protrusion holding part having a holding part flow path for the fluid and a notch communicating between an area surrounded by the inner periphery surface and an outer side of the first mounting protrusion holding part.
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公开(公告)号：US20210113944A1
公开(公告)日：2021-04-22
申请号：US16971776
申请日：2018-02-26
Applicant: ROKI TECHNO CO., LTD.
Inventor： Tomoya SATO
Abstract: The depth filter includes a first filter layer having a cylindrical shape, and a second filter layer having a cylindrical shape. The second filter layer is arranged on the inner side of the first filter layer, and the second filter layer has a mesh coarseness that is the same as or less than the mesh coarseness of the first filter layer. The depth filter also includes a space layer provided between the first filter layer and the second filter layer. In the space layer, the fluid resistance between a front side and a rear side of the space layer is substantially zero. A filter cartridge including a filter cover and the depth filter arranged inside the filter cover is also described.
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公开(公告)号：US20180140981A1
公开(公告)日：2018-05-24
申请号：US15574823
申请日：2015-05-19
Applicant: ROKI TECHNO CO., LTD.
Inventor： Takashi KINJO
CPC classification number: B01D35/306 , B01D27/08 , B01D35/02 , B01D2201/302 , B01D2201/304 , B01D2201/347
Abstract: Provided is an exchange unit to be removably mounted in a predetermined direction between a first pipeline end portion and a second pipeline end portion of a manifold of a flow circuit. The manifold includes the first pipeline end portion having a first opposed surface reduced in a mounting direction and the second pipeline end portion having a second opposed surface reduced in the mounting direction. The exchange unit includes a first flow path end portion having a first complementary surface having a shape complementary to the first opposed surface and a second flow path end portion having a second complementary surface having a shape complementary to the second opposed surface. In this manner, even when a dimensional variation is generated in distance between the first flow path end portion and the second flow path end portion of the exchange unit due to a manufacturing tolerance, the first pipeline end portion and the second pipeline end portion of the manifold and the first flow path end portion and the second flow path end portion of the exchange unit can be brought into close contact with each other under a uniform load.
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公开(公告)号：US11202980B2
公开(公告)日：2021-12-21
申请号：US16479213
申请日：2017-01-19
Applicant: ROKI TECHNO CO., LTD.
Inventor： Takashi Kinjo
Abstract: A filter attachment and detachment apparatus removably attaching a filter container containing a filter, as a part of a filtration apparatus that filters fluid with the filter, includes a first mounting protrusion at one end of the filter container to protrude from the filter container, the first mounting protrusion including a flow path in fluid communication with the filter inside the filter container, a rotation element to which a first flow path for the fluid is connected, the rotation element including an opening groove configured to receive the first mounting protrusion, and a first mounting protrusion holding part configured to rotatably hold the rotation element. The first mounting protrusion holding part includes an inner periphery surface and a notch communicating with an outer side of the inner periphery surface, where in a state where the first mounting protrusion is inserted into the opening groove through the notch, by rotating the rotation element, the first mounting protrusion is bound between the inner periphery surface of the first mounting protrusion holding part and the rotation element.
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公开(公告)号：US10946325B2
公开(公告)日：2021-03-16
申请号：US16462490
申请日：2016-11-21
Applicant: ROKI TECHNO CO., LTD.
Inventor： Osamu Kumagai , Sachi Inagaki
Abstract: There is a need to reduce the amount of overlapping parts of a nonwoven fabric of a filter component to thereby lengthen the life of the filter component. This need is met by the filter component formed of a cylindrical nonwoven fabric having a center axis, and having a plurality of polygon-shaped cross-sections which are a same shape that are formed side-by-side at predetermined intervals along the center axis. Each side of each of the polygons is formed by a mountain fold part on a plane perpendicular to the center axis, and each vertex of one polygon is connected by a mountain fold part to each vertex of another polygon, respectively.
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Patent Agency Ranking
公开(公告)号：US20190054403A1
公开(公告)日：2019-02-21
申请号：US16079938
申请日：2016-02-26
Applicant: ROKI TECHNO CO., LTD.
Inventor： Tetsuya UCHIDA , Hirofumi KAWAGOE
Abstract: The filter vessel attachment/detachment apparatus includes a first conduit end, wherein a first conduit for the fluid to flow through is coupled to the first conduit end, and the first conduit end has a clamping portion capable of clamping the flange of the filter vessel; a contact surface capable of strongly contacting to the inlet or the outlet of the filter vessel; and a guide member capable of, for a direction from the first conduit toward the inlet or the outlet, rotating about a second axis separated from a first axis by a predetermined distance, the first axis being from the first conduit toward the inlet, the guide member having a holding portion capable of holding the inlet or the outlet.
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公开(公告)号：US10744432B2
公开(公告)日：2020-08-18
申请号：US16079938
申请日：2016-02-26
Applicant: ROKI TECHNO CO., LTD.
Inventor： Tetsuya Uchida , Hirofumi Kawagoe
Abstract: The filter vessel attachment/detachment apparatus includes a first conduit end, wherein a first conduit for the fluid to flow through is coupled to the first conduit end, and the first conduit end has a clamping portion capable of clamping the flange of the filter vessel; a contact surface capable of strongly contacting to the inlet or the outlet of the filter vessel; and a guide member capable of, for a direction from the first conduit toward the inlet or the outlet, rotating about a second axis separated from a first axis by a predetermined distance, the first axis being from the first conduit toward the inlet, the guide member having a holding portion capable of holding the inlet or the outlet.
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公开(公告)号：US20190381432A1
公开(公告)日：2019-12-19
申请号：US16479210
申请日：2017-01-19
Applicant: ROKI TECHNO CO., LTD.
Inventor： Takashi KINJO
IPC: B01D35/30
Abstract: A attachment and detachment apparatus removably attaches a filter container containing a filter, as a part of a filtration apparatus that filters fluid with the filter. The filter container includes a first mounting protrusion including a flow path in fluid communication with the filter. The first mounting protrusion includes a rotation center axis. An outer periphery surface of the first mounting protrusion includes at least two curved surfaces respectively formed to be at least a part of an arc about the rotation center axis. The attachment and detachment apparatus includes a first mounting protrusion holding part that holds the first mounting protrusion. The flow path for the fluid is connected to the first mounting protrusion holding part, the first mounting protrusion holding part includes an inner periphery surface corresponding to the curved surface of the outer periphery surface, and a notch communicating the inner periphery surface with an outer side of the first mounting protrusion holding part.
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公开(公告)号：US20180140980A1
公开(公告)日：2018-05-24
申请号：US15574819
申请日：2015-05-18
Applicant: ROKI TECHNO CO., LTD.
Inventor： Tetsuya UCHIDA , Hirofumi KAWAGOE
CPC classification number: B01D35/306 , B01D27/08 , B01D29/96 , B01D35/30 , B01D2201/34 , B01D2201/4023
Abstract: The manifold includes a first pipeline end portion to which the first flow path end portion is joinable; a second pipeline end portion including a movable connecting portion being movable in a direction of approaching the first pipeline end portion and in a direction of separating from the first pipeline end portion, to which the second flow path end portion is connectable; and a stopper, which is provided between the first pipeline end portion and the second pipeline end portion, and is configured to position the exchange unit between the stopper and the first pipeline end portion. With this configuration, the exchange unit can easily be removed.
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公开(公告)号：US20250065252A1
公开(公告)日：2025-02-27
申请号：US18725586
申请日：2022-10-28
Applicant: ROKI TECHNO CO., LTD.
Inventor： Kyosuke NAGASHIMA
IPC: B01D39/16
Abstract: A filter member has a filter that exhibits a long filter life and can maintain a particle concentration in a particle-containing liquid being filtered. The filter member has a filter that has an opening diameter that is smaller than the diameter of the filtration target contained in the particle-containing liquid. This filter is formed by a carbodiimide compound-treated fiber from an amide-based fiber that contains the amide bond and has a carboxyl group and/or amino group functional group.
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