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    • 1. 发明授权
    • Expandable well screen
    • 可扩展井屏
    • US06315040B1
    • 2001-11-13
    • US09071792
    • 1998-05-01
    • Martin Donnelly
    • Martin Donnelly
    • E21B4308
    • E21B43/108E21B43/084E21B43/086E21B43/103
    • An expandable well screen for preventing migration of sand or other solid particles into a hydrocarbon fluid production well comprises a number of filter sheets with circumferential slots, which sheets are secured in an iris-shaped configuration and co-axial to an expandable slotted carrier tube such that as result of expansion of the tube the amount of overlap between adjacent filter sheets is reduced. The circumferential slot pattern of the slots enables the filter sheets to slide easily relative to each other and to avoid buckling and/or tearing of the filter sheets during the expansion process.
    • 用于防止沙子或其他固体颗粒迁移到烃流体生产井中的可扩展井筛包括多个具有周向槽的过滤片,这些片固定在虹膜形状上并与可扩展的开槽的载体管同轴 作为管的膨胀的结果,相邻的过滤片之间的重叠量减少。 狭槽的圆周槽图案使得过滤片能够相对于彼此容易地滑动,并且在膨胀过程中避免过滤片的翘曲和/或撕裂。
    • 3. 发明申请
    • GAME DEVICE WITH IMPACT INDICATION
    • 具有冲击指示的游戏装置
    • US20120231906A1
    • 2012-09-13
    • US13496745
    • 2010-09-15
    • Michael Roy BarryMartin DonnellyColin O'Brien
    • Michael Roy BarryMartin DonnellyColin O'Brien
    • A63B43/00
    • A63B71/0605A63B43/004A63B43/06A63B71/0669A63B71/0672A63B2209/10A63B2225/055A63B2225/50
    • A game device (1) comprises a ball (2) and twelve indicators (3). Each indicator (3) comprises a suction cavity (4) and a release ring (5). Each indicator (3) may be releasably attached by suction to the ball (2) by manipulating the suction cavity (4) of the indicator (3) to create a suction force between the indicator (3) and the ball (2). The release ring (5) protrudes from the ball (2) substantially perpendicular to an external surface of the ball (2). Upon an impact to the release ring (5), for example a user kicking the device (1), the release ring (5) acts to release the suction attachment force between the indicator (3) and the ball (2). The indicator (3) thus becomes detached from the ball (2). By detaching the indicator (3) from the ball (2), the indicator (3) acts to indicate the region of the impact to the game device (1).
    • 游戏装置(1)包括球(2)和十二个指示器(3)。 每个指示器(3)包括抽吸腔(4)和释放环(5)。 每个指示器(3)可以通过操纵指示器(3)的抽吸腔(4)而在抽吸(2)之间通过抽吸可释放地附接,以在指示器(3)和球(2)之间产生吸力。 释放环(5)从大致垂直于球(2)的外表面的球(2)突出。 在释放环(5)的冲击时,例如用户踢装置(1),释放环(5)用于释放指示器(3)和球(2)之间的吸附附着力。 因此,指示器(3)从球(2)脱离。 通过从球(2)分离指示器(3),指示器(3)用于指示对游戏装置(1)的冲击的区域。
    • 9. 发明授权
    • Trimming of compacted metal powder strip
    • 压实金属粉末条的修剪
    • US4172111A
    • 1979-10-23
    • US775477
    • 1977-03-08
    • Martin Donnelly
    • Martin Donnelly
    • B22F3/18B22F3/24
    • B22F3/18
    • A compact in the form of a strip is manufactured from metal powder by introducing the powder into the gap between a pair of rotatable rolls. The compact so formed has unwanted longitudinally extending edge portions and these portions are removed by reducing them to powder to substantially the same particle size as that of the powder from which the compact is formed. The portions are conveniently reduced to powder by engaging them with rotary members in the form of cutters which impact the compact and break off individual particles. The powder may be recycled into the roll gap either directly or after further treatment which does not include comminution of the powder.
    • 通过将粉末引入一对可旋转辊之间的间隙中,通过金属粉末制造带状形式的压块。 如此形成的压块具有不想要的纵向延伸的边缘部分,并且通过将它们还原成粉末至与形成压块的粉末基本相同的粒度来除去这些部分。 这些部分通过将它们与以冲击压块的切割器形式的旋转构件接合并分离出单个颗粒而方便地还原成粉末。 粉末可以直接或进一步处理后再循环到辊隙中,不包括粉碎粉碎。