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    GASKET AND METHOD FOR MANUFACTURING SAME
    44.
    发明公开
    GASKET AND METHOD FOR MANUFACTURING SAME 审中-公开

    公开(公告)号：EP3537010A1

    公开(公告)日：2019-09-11

    申请号：EP17868330.6

    申请日：2017-10-12

    申请人： NOK Corporation

    发明人： YOSHIDA Satomi ,  YUI Hajime

    IPC分类号： F16J15/06 ,  F16J15/00 ,  F16J15/10

    摘要： This invention provides a two-sided gasket constituted of gasket bodies respectively provided on both surfaces of a base member in a thickness direction. The gasket has a structure in which one gasket body contributes to ensuring a seal surface pressure in an opposite gasket body, such that a configuration of the opposite gasket body and a method for forming the opposite gasket body are simplified. In order to achieve this object, the gasket includes a base member (30), one gasket body (20) that is provided on one side surface of the base member (30) in the thickness direction, and an opposite gasket body (40) that is provided on an opposite side surface of the base member (30) in the thickness direction. The one gasket body (20) includes a projection (23) protruding toward the opposite side in the thickness direction. The base member (30) includes a deformed portion (32) protruding toward the opposite side in the thickness direction by covering the projection (23). The opposite gasket body (40) is formed as a film-shaped rubber layer deposited on a front surface of the deformed portion (32).

    SEALING DEVICE
    45.
    发明公开
    SEALING DEVICE 审中-公开

    公开(公告)号：EP3505799A1

    公开(公告)日：2019-07-03

    申请号：EP17843403.1

    申请日：2017-08-09

    申请人： NOK Corporation

    发明人： MONMA, Hiroaki

    IPC分类号： F16J15/3236 ,  F16J15/18 ,  F16J15/3232

    摘要： A sealing device capable of preventing, when a shaft and a housing move relative to each other, the sealing device from moving together with the shaft. A resin seal ring 100 includes a cylindrical section 110, a pair of inner circumference lips 120 respectively provided on both sides of the cylindrical section 110 in the axial direction, a pair of outer circumference lips 130 respectively provided on both sides of the cylindrical section 110 in the axial direction, and an annular mounting groove 111 which is provided on an outer circumference surface of the cylindrical section 110 and in which the elastic seal ring 300 is mounted. The pair of inner circumference lips 120 is reduced in diameter with distance from the cylindrical section 110 both on an inner circumference surface side and on an outer circumference surface side toward lip distal ends 121, which are configured to slide on an outer circumference surface of the shaft. The pair of outer circumference lips 130 is increased in diameter with distance from the cylindrical section 110 both on an inner circumference surface side and on an outer circumference surface side toward lip distal ends 131, which are configured to be in close contact with the inner circumference surface of the shaft hole.

    CORROSION PREVENTION METHOD FOR SURFACE OF ALUMINIUM-BASED MEMBER
    48.
    发明公开
    CORROSION PREVENTION METHOD FOR SURFACE OF ALUMINIUM-BASED MEMBER 审中-公开

    公开(公告)号：EP3444379A1

    公开(公告)日：2019-02-20

    申请号：EP17799289.8

    申请日：2017-05-12

    申请人： NOK Corporation

    发明人： HAMADA Norihiro ,  KODA Yutaka ,  SUZUKI Kiyohiro ,  YU Nan

    IPC分类号： C23F11/00 ,  C09K3/10 ,  F16J15/10

    摘要： The present invention is to provide a method for preventing corrosion capable of sufficiently protecting a surface of an aluminum-based member (in particular, a contact surface with a gasket) from corrosion, particularly when the surface of the aluminum-based member is sealed by the gasket. The method for preventing corrosion of a surface of an aluminum-based member constituting a structure that sandwiches the gasket together with another member in a press contact state, characterized in that a surfactant is made to adhere to the surface of the aluminum-based member.

    SEALING DEVICE
    50.
    发明公开
    SEALING DEVICE 审中-公开

    公开(公告)号：EP3434943A1

    公开(公告)日：2019-01-30

    申请号：EP17770035.8

    申请日：2017-03-14

    申请人： NOK Corporation

    发明人： WATANABE, Mitsuo

    IPC分类号： F16J15/3232 ,  F16J15/3212 ,  F16J15/3224 ,  F16J15/3236

    摘要： Provided is a sealing device with which an improved eccentric following ability is realized. The sealing device includes: resin packing 100 having an outer peripheral lip 120, an inner peripheral lip 130 and an annular mounting groove 110, the mounting groove 110 being provided on a sealed-region side (H) of the packing 100, the outer peripheral lip 120 being located on a radially outward side of the packing 100 with respect to the mounting groove 110, and the inner peripheral lip 130 being located on a radially inward side of the packing 100 with respect to the mounting groove 110; and a spring 200 having an outer peripheral portion 210 that presses the outer peripheral lip 120 radially outwardly and an inner peripheral portion 220 that presses the inner peripheral lip 130 radially inwardly, the spring 200 being mounted in the mounting groove 110, wherein the inner peripheral lip 130 has an first annular groove 111 in its outer peripheral surface, the first annular groove 111 being formed adjacent to a groove bottom of the mounting groove 110.