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公开(公告)号：US20150338003A1
公开(公告)日：2015-11-26
申请号：US14719437
申请日：2015-05-22
发明人： Kikuo Saito , Yasuyuki Nagamori , Mitsuhiro Mori
CPC分类号： F16L27/026 , F16L21/02 , F16L27/04 , F16L27/0853 , F16L27/12
摘要： An extendable and contractible flexible joint having a pair of flexible joint portions, which are bendable and fitted and connected to a connection sleeve, in a direction of a pipe axial line. An extending motion limiting portion includes a fluid chamber into which a portion of a pressure fluid in a flow path diverges and flows, and is configured to apply a fluid pressure applied to pressure receiving surfaces of the fluid chamber. An inner joint body of each of both the flexible joint portions is configured to be attachable and detachable to and from the connection sleeve, and an outer joint body and the inner joint body of each of both the flexible joint portions are configured to be attachable and detachable to and from each other.
摘要翻译： 一种可伸缩的柔性接头，具有在管轴线方向上可弯曲并装配并连接到连接套筒的一对柔性接头部分。 延伸运动限制部分包括流体室，流路中的压力流体的一部分分歧并流动到该流体室中，并且构造成施加施加到流体室的压力接收表面的流体压力。 两个柔性接合部中的每一个的内侧接头体构造成可连接和拆卸连接套筒，并且两个柔性接头部分中的每一个的外接头体和内接头体构造成可连接和 可彼此分离。
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公开(公告)号：US10161555B2
公开(公告)日：2018-12-25
申请号：US15300386
申请日：2015-02-23
发明人： Hiroyuki Bekki , Yasuyuki Nagamori
摘要： There is provided a coated expandable-contractible flexible pipe capable of properly securing the anti-corrosive performance without damaging a coating even in the case where the coated expandable-contractible flexible pipe coated with the coating oscillates or expands/contracts. The coated expandable-contractible flexible pipe includes: an expandable-contractible flexible pipe having a pair of joints to be connected to a fluid pipe and a connecting pipe for connecting the joints to each other, the pair of joints being mutually oscillatable and expandable/contractible; and a resin or rubber coating that coats the expandable-contractible flexible pipe. The coating includes a joint coating portion in close contact with the joint, a pipe coating portion in close contact with the connecting pipe 3, and a looseness portion formed between the joint coating portion and the pipe coating portion so as to allow the oscillation or expansion of the expandable-contractible flexible pipe.
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公开(公告)号：US10989313B2
公开(公告)日：2021-04-27
申请号：US16279296
申请日：2019-02-19
发明人： Yasuyuki Nagamori
IPC分类号： F16K5/04 , F16K11/076 , F16K37/00
摘要： A valve device has an outer valve casing externally fitted to an existing fluid pipe, an inner valve casing housed in the outer valve casing and an inner packing for sealing a gap between them. The inner packing includes an annular portion mounted along a periphery of an upper side surface of the inner valve casing and a plurality of U-shaped portions extending downward from the annular portion and to be mounted over an entire length from a side surface to a bottom surface of the inner valve casing. An enclosed space sandwiched between an inner surface of the outer valve casing and an outer surface of the inner valve casing is formed between the U-shaped portions that are adjacent to each other. The inner packing is provided with a connecting portion for connecting the plurality of U-shaped portions to one another.
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公开(公告)号：US20190257433A1
公开(公告)日：2019-08-22
申请号：US16279296
申请日：2019-02-19
发明人： Yasuyuki Nagamori
摘要： A valve device has an outer valve casing externally fitted to an existing fluid pipe, an inner valve casing housed in the outer valve casing and an inner packing for sealing a gap between them. The inner packing includes an annular portion mounted along a periphery of an upper side surface of the inner valve casing and a plurality of U-shaped portions extending downward from the annular portion and to be mounted over an entire length from a side surface to a bottom surface of the inner valve casing. An enclosed space sandwiched between an inner surface of the outer valve casing and an outer surface of the inner valve casing is formed between the U-shaped portions that are adjacent to each other. The inner packing is provided with a connecting portion for connecting the plurality of U-shaped portions to one another.
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公开(公告)号：US10088085B2
公开(公告)日：2018-10-02
申请号：US14719437
申请日：2015-05-22
发明人： Kikuo Saito , Yasuyuki Nagamori , Mitsuhiro Mori
摘要： An extendable and contractible flexible joint having a pair of flexible joint portions, which are bendable and fitted and connected to a connection sleeve, in a direction of a pipe axial line. An extending motion limiting portion includes a fluid chamber into which a portion of a pressure fluid in a flow path diverges and flows, and is configured to apply a fluid pressure applied to pressure receiving surfaces of the fluid chamber. An inner joint body of each of both the flexible joint portions is configured to be attachable and detachable to and from the connection sleeve, and an outer joint body and the inner joint body of each of both the flexible joint portions are configured to be attachable and detachable to and from each other.
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