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    • 10. 发明授权
    • Vapor closure for flexures in floating
    • 气浮闭合用于浮动的弯曲
    • US4457446A
    • 1984-07-03
    • US342789
    • 1982-01-26
    • Robert A. Bruening
    • Robert A. Bruening
    • B65D88/42B65D88/46
    • B65D88/42Y10S220/19
    • In a liquid storage tank having a floating roof with a circular rim, a substantially ring-like vertical cylindrical shoe adapted to slide along the inside wall surface of the tank outwardly from the roof rim, a primary flexible seal extending from the roof rim to the shoe, and with the shoe containing a plurality of vertically positioned spaced apart flexures in the form of an open ended trough which terminates below the shoe top edge and with a longitudinal opening substantially flat against the tank wall, the improvement comprising a flexure closure of resilient polymeric material with a lower body portion inside the open top end of a substantial number of the flexure troughs, with the lower body portion being in contact with the trough; and with the flexure closure having a thin flat upper portion placed by the shoe inside surface.
    • 在具有带有圆形边缘的浮动屋顶的液体储存罐中,适于沿屋顶边缘的内壁表面滑动的大致环状的垂直圆柱形鞋,从屋顶边缘延伸到主框架的主柔性密封件 鞋子,并且鞋子包含多个垂直定位的间隔开的弯曲形式,其开口端槽的形式终止在鞋面边缘的下方,并且具有基本上平坦地抵靠罐壁的纵向开口,该改进包括弹性的挠曲封闭 聚合材料,其具有在相当数量的弯曲槽的敞开的顶端内的下主体部分,下主体部分与槽接触; 并且挠性封闭件具有由鞋内表面放置的薄平的上部。