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32 条记录 (耗时 0.022 秒)

    Seal for a well
    4.
    发明授权
    Seal for a well 有权

    公开(公告)号：US11808104B2

    公开(公告)日：2023-11-07

    申请号：US17279658

    申请日：2019-09-27

    申请人： PLEXUS HOLDINGS, PLC

    发明人： Craig Francis Bryce Hendrie ,  Bernard Herman Van Bilderbeek ,  Brent Harrald

    IPC分类号： E21B33/12 ,  E21B33/04 ,  F16J15/02

    CPC分类号： E21B33/1212 ,  E21B33/04 ,  F16J15/025

    摘要： A pressure energised seal for a wellhead, in particular, provides a seal of an annulus between an inner wellhead casing member and an outer wellhead casing member. The wellhead incorporates a clamping arrangement whereby the outer member is arranged to be deflected radially inwardly in order to grip and secure the inner member within the bore of the outer member. Also, a seal for use in such a clamping arrangement. In particular, the seal includes a sealing lip which locates within a groove provided in the outer clamping surface of the inner member. A seal is activated and created as the outer member is clamped inwardly since this causes the outer member to compress the inner member and to reduce the diameter of the inner member. Also, a well and a method of sealing an annulus in a well.

    End milling cutter and method for the production thereof
    5.
    发明授权
    End milling cutter and method for the production thereof 有权

    公开(公告)号：US11738396B2

    公开(公告)日：2023-08-29

    申请号：US17022467

    申请日：2020-09-16

    申请人： GUEHRING KG

    发明人： Rolf Ehrler ,  Martin Dallmann ,  Jakob Ebel

    IPC分类号： B23C5/10 ,  B23C5/16

    CPC分类号： B23C5/10 ,  B23C5/165 ,  B23C2210/0485 ,  B23C2210/12 ,  B23C2210/40 ,  B23C2210/48

    摘要： A milling tool comprising a cylindrical shaft part, which has a central axis and which is followed by a cylindrical cutting part comprising at least three circumferential cutting edges, which run helically and which are separated from one another by chip grooves. The circumferential cutting edges continue via cutting edge corner regions in end cutting edges, which run essentially radially and which subsequently slope away from the milling cutter face towards the central axis from radially outer end cutting edge sections, in each case with a cutting edge section, which is formed by ground-in end pockets. The cutting edge section slopes continuously all the way to the central axis. In the region of the milling cutter core, it is formed by a point thinning, which is introduced into the end pocket and by means of which a center cutting edge is created. Also, a method for producing the milling tool.

    Apparatus for measuring isometric muscle strength
    9.
    发明授权
    Apparatus for measuring isometric muscle strength 有权

    公开(公告)号：US11918361B2

    公开(公告)日：2024-03-05

    申请号：US17292427

    申请日：2019-11-07

    申请人： FORCE HOOKS PTY LTD

    发明人： Jason Christopher John Ager

    IPC分类号： A61B5/22 ,  A61B5/00 ,  G01L1/22

    CPC分类号： A61B5/224 ,  A61B5/6895 ,  A61B5/742 ,  G01L1/22 ,  A61B2562/0261

    摘要： An apparatus for measuring isometric muscle strength and dynamic strength when a limb is fixed, wherein the apparatus comprises: an attachment assembly for releasably attaching the apparatus to a support frame of an item of exercise equipment; a strain gauge configured to measure compressive or tensional forces; and a connection assembly for releasably connecting the strain gauge to a moveable component (e.g. barbell) of the exercise equipment wherein when connected makes the component immoveable such that forces exerted on the formerly moveable component require isometric muscle contraction or dynamic contraction while the limb is fixed that can be measured by the strain gauge.