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    • 5. 发明授权
    • Rupturing devices
    • 破坏设备
    • US08616131B2
    • 2013-12-31
    • US12452846
    • 2008-07-09
    • Abdul-Salam KaddourJohn Cook
    • Abdul-Salam KaddourJohn Cook
    • F41A9/00
    • F42B39/14F42B39/20
    • The invention provides rupturing devices for mitigating the explosive reaction of a casing (121), hollow tubular body or container, particularly a munition, when it is subject to an external thermal hazard threat. The devices are based on the use of shape memory alloys. The device comprises an element of shape memory alloy (123) which is joined together by a connector (122) to form an annulus, which may be located on an exterior surface of a munitions casing (121) or launch such that upon heating through its transition temperature range will cause the annulus to contract radially inwardly, thereby rupturing the munition (121), allowing any build up of pressure to be released quickly. Advantageously, the connector (122) is. reversible such that the device will be capable of being retro-fitted or removed during normal servicing of the munition (121).
    • 本发明提供了用于在受到外部热危害威胁时,用于减轻外壳(121),中空管状体或容器(特别是弹药)的爆炸反应的破裂装置。 这些器件基于形状记忆合金的使用。 该装置包括形状记忆合金(123)的元件,其通过连接器(122)连接在一起以形成环状物,其可以位于弹药外壳(121)的外表面上或发射,使得在通过其加热 过渡温度范围将导致环形物径向向内收缩,从而破坏弹药(121),从而允许任何压力的积聚被快速释放。 有利地,连接器(122)是。 可逆地使得装置能够在弹药正常维修期间被改装或拆卸(121)。
    • 7. 发明授权
    • Lining of wellbore tubing
    • 井筒管衬
    • US08394464B2
    • 2013-03-12
    • US12415297
    • 2009-03-31
    • Louise BaileyBenoit VidickPaul WayJohn Cook
    • Louise BaileyBenoit VidickPaul WayJohn Cook
    • C08F2/48
    • C08F2/48C08F2/46C08F222/1006E21B7/02E21B7/025E21B19/14E21B19/24E21B29/10E21B33/038E21D20/003
    • A method of lining tubing within a wellbore comprises applying a polymerisable fluid composition containing a photoinitiator to the interior surface of that tubing and initiating polymerisation of the composition by exposing it to actinic radiation, suitably light or ultraviolet with wavelength 250 to 800 nm. The composition is preferably stable against heat but polymerises quickly when exposed to the actinic radiation. The composition may be spread onto the tubing and exposed to actinic radiation as soon as it has been spread into a layer, suitably with a tool which skims the tubing surface with applicator pads for dispensing and spreading the composition, immediately followed by exposing the spread composition to actinic radiation. A second option is that the composition is provided as a sleeve which is expanded against the tubing, exposure to actinic radiation preferably then being achieved using light guides or light emitting diodes within the sleeve.
    • 将管内衬在井筒内的方法包括将含有光引发剂的可聚合流体组合物施用于该管的内表面,并通过将组合物暴露于光化辐射,适当地为波长为250至800nm的光或紫外线而开始聚合。 该组合物优选抗热稳定性,但当暴露于光化辐射时,其快速聚合。 组合物可以扩散到管道上并且一旦它已经被扩散到一层中就被暴露于光化辐射,适当地用一个工具,该工具用用于分配和铺展组合物的施用器垫片来刮除管道表面,然后立即暴露扩展组合物 光化辐射。 第二个选择是组合物被提供为套筒,该套筒相对于管道膨胀,暴露于光化辐射,优选地使用套筒内的光导或发光二极管实现。