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公开(公告)号：US11596338B2
公开(公告)日：2023-03-07
申请号：US16877534
申请日：2020-05-19
申请人： NOK CORPORATION
发明人： Ryo Futashima , Yasushi Sugiyama , Toru Uda
IPC分类号： A61B5/25 , H01B1/22 , C08K3/08 , C08J7/044 , C08C19/00 , C08J3/20 , C08L83/04 , C08L83/12 , C09D183/04 , C08J7/14
摘要： A bioelectrode includes a conductive rubber electrode and a silver coating layer provided on the conductive rubber electrode and containing a silicone rubber and silver particles. The silver coating layer contains a modified silicone and contains ions for ion conduction among the silver particles.
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公开(公告)号：US11577672B2
公开(公告)日：2023-02-14
申请号：US16633459
申请日：2018-08-10
申请人： NOK CORPORATION
发明人： Nobuhiko Narita
摘要： A grommet is provided including a grommet body made of rubber-like elastic material and to be mounted on a mating component, and a center shaft configured to secure the grommet body on the mating component. The grommet body includes a cylindrical insertion portion to be inserted into a mounting hole formed on the mating component, a folded catcher formed on the leading end of the insertion portion, an umbrella-shaped head formed on the rear end of the insertion portion, and a groove-like release space defined on the inner circumferential surface of the insertion portion. The center shaft includes a shaft to be inserted into the inner circumference of the insertion portion, a folded catcher formed on the leading end of the shaft, and a head formed on the rear end of the shaft.
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公开(公告)号：US11566660B2
公开(公告)日：2023-01-31
申请号：US16647997
申请日：2018-08-07
申请人： NOK CORPORATION
发明人： Takuma Hirota
摘要： Provided are a ball joint and a dust cover that make it possible to suppress contact of a body portion of the dust cover with the vicinity of a flange portion of a ball stud. A dust cover integrally includes: a deformable bellows-shaped body portion made of an elastic body; a fixed portion made of an elastic body and provided on one end side of the body portion; and a sealing portion made of an elastic body and provided on the other end side of the body portion. The sealing portion includes: an inner peripheral sealing portion configured to be slidable on a part of a shank portion on the opposite side of the shank portion from a spherical portion with respect to a flange portion; and a cover portion that continuously covers, in an outer wall surface of the flange portion, a radially outward tip end portion and a part of a portion that decreases in diameter from the tip end portion toward the spherical portion side.
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公开(公告)号：US20230022910A1
公开(公告)日：2023-01-26
申请号：US17791019
申请日：2020-12-14
申请人： NOK CORPORATION
发明人： Takahiro HIGUMA , Hirokazu MAEKAWA
IPC分类号： C08F114/26 , C08K3/04 , C08K7/06 , C08F214/22 , C08F214/26
摘要： A fluororubber composition comprising 3 to 20 parts by weight of carbon fibers and 1 to 8 parts by weight of carbon nanotubes based on 100 parts by weight of fluororubber. The crosslinked molded article obtained from the fluororubber composition has excellent effects of not only imparting oil film retention, but also improving the material strength of fluororubber due to the combined use of carbon nanotubes, which have high reinforcing properties. Further, the fluororubber composition can give a fluororubber crosslinked product excellent in abrasion resistance and pressure resistance.
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公开(公告)号：US20230003302A1
公开(公告)日：2023-01-05
申请号：US17801515
申请日：2021-04-13
申请人： NOK CORPORATION
发明人： Masasuke UCHIYAMA
IPC分类号： F16J15/12
摘要： Provided is a gasket mounting structure capable of preventing a gasket from being mounted in a wrong direction. The gasket mounting structure is configured such that, when a jig 200 is inserted into a gasket 100 from a large-diameter inner peripheral surface portion 124 side, a small-diameter outer peripheral surface portion 210 is press-fitted into an inner peripheral surface of a seal projection 122 to result in a state in which the gasket 100 is held by the jig 200 and, when the jig 200 is inserted into the gasket 100 from a small-diameter inner peripheral surface portion 123 side, the small-diameter outer peripheral surface portion 210 does not reach a position at which the small-diameter outer peripheral surface portion 210 can come into contact with the seal projection 122.
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公开(公告)号：US20220412433A1
公开(公告)日：2022-12-29
申请号：US17780292
申请日：2020-11-25
申请人： NOK CORPORATION
发明人： Takahiro YANO
IPC分类号： F16F15/126
摘要： A torsional damper is provided with: a hub affixed to a rotary shaft and having an outer-circumferential surface along a circle centered on the rotary shaft; an annular oscillation ring having an inner-circumferential surface the diameter of which is larger than the outer-circumferential surface of the hub on a circle centered on the rotary shaft; and a rubber ring that exists in a compressed state between the outer-circumferential surface of the hub and the inner-circumferential surface of the oscillation ring, comprises a rubber composition the main component of which is EPDM, and has a loss coefficient (tan δ) of 0.18 or higher when the surface temperature is 60±5° C. When subjected to resonance point tracking, the fitting diameter (d) and the maximum attained surface temperature (Tmax) of the rubber ring during continuous excitation at the resonance point satisfy a prescribed relational expression.
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公开(公告)号：US11536372B2
公开(公告)日：2022-12-27
申请号：US17115957
申请日：2020-12-09
申请人： NOK CORPORATION
发明人： Naoki Meguro
IPC分类号： F16J15/3232
摘要： A sealing device includes an elastic body configured to seal an annular gap between an inner member and an outer member in order to prevent a leak of an object through the annular gap. The elastic body includes an annular main body portion including a first end portion and a second end portion opposite to each other and being to be disposed in the annular gap with the first end portion being closer to the object than the second end portion, a seal lip portion extending from the first end portion and being to be in contact with the inner member, a flange portion extending outwardly from the second end portion and including a first side and a second side opposite to each other, a side lip portion extending from the second end portion in a direction away from the first end portion, and a projecting portion extending from the second side and circumferentially about the annular main body. The first side is to be closer to the object than the second side and to be in contact with the outer member. The projecting portion is located such that the projecting portion is not to be in contact with the side lip portion with a distal end portion of the side lip portion being tilted radially outwardly in response to a front surface of the side lip portion being pressed by a member.
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公开(公告)号：US11536371B2
公开(公告)日：2022-12-27
申请号：US16759497
申请日：2019-01-16
申请人： NOK CORPORATION
发明人： Kenichi Nakayama , Masashi Suzuki
摘要： A sealing device includes: a housing; a seal ring configured to be axially displaceably inserted along an inner circumference of the housing, the seal ring including a front-end surface and a rear-end surface which defines packing mounting space; a packing configured to establish sealing between the housing and the seal ring, the packing being disposed in the packing mounting space; and spring means disposed on the rear-end surface side of the seal ring to elastically bias the seal ring toward the front-end surface side.
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公开(公告)号：US20220397511A1
公开(公告)日：2022-12-15
申请号：US17772219
申请日：2020-10-01
发明人： Takayuki KOMORI , Keiichi MIYAJIMA , SooHyeon KIM , Teruo FUJII , Shinji OKAWA
摘要： An extracellular potential measurement device includes multiple insulating films each of which is made from an electric insulating material, the insulating films being stacked and bonded to each other; and multiple electrode wires each of which is made from an electroconductive material, the electrode wires being arranged in multiple heights. Each of the electrode wires is interposed between an upper insulating film and a lower insulating film. Each of the insulating films, except for a lowermost insulating film, has an opening penetrating the insulating film. The opening in a lower insulating film has a size that is less than that of the opening in an upper insulating film, the openings in the insulating films being overlapped to form a recess having a size reducing downward, the recess being adapted to store a collection of cells. Each of the electrode wires has an end that is located near an opening in an insulating film that is immediately below the electrode wire, the ends being exposed in the recess.
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公开(公告)号：US20220356909A1
公开(公告)日：2022-11-10
申请号：US17623314
申请日：2020-05-14
申请人： NOK CORPORATION
发明人： Go KANZAKI
摘要： A sealing device for sealing a gap between inner and outer members includes a mounted part attached to a cylindrical end of the outer member; at least one lip disposed radial inside the mounted part and extending toward the inner member; an annular part covering an end surface of the end of the outer member; and an annular flange formed from an elastic material connected to the annular part and disposed radial outside the end of the outer member. The inner member includes an inner portion disposed radial inside the outer member; a flange extending radially outward from the inner portion; and a through-hole formed in the flange for inserting a screw for securing the inner member to another member. The outer edge of the flange of the sealing device is disposed radial outside a portion of the through-hole that is the closest to the central axis.
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