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    • 57. 发明申请
    • A COLLAPSIBLE TUBULAR STRUCTURE
    • 可溶性管状结构
    • WO2003101853A1
    • 2003-12-11
    • PCT/IB2003/002053
    • 2003-05-28
    • BUTTLE, Ritchie, James
    • BUTTLE, Ritchie, James
    • B65D37/00
    • D06F95/002A45C7/0036A47F3/14A47F5/10B65D37/00B65F1/06B65F2220/106B65F2230/148
    • A collapsible tubular structure (1, 22) is provided comprising a peripheral, generally circular, end frame (2, 11, 12, 28, 32) at each end of the structure in the erected condition, at least two and generally three or four angularly spaced, rigidly flexible, longitudinal frame members (4, 15, 29, 33) extending between the two end frames, and a flexible side wall (6, 19) having end edges held in association with each of the two end frames. The structure is characterized in that the ends of the longitudinal frame members are held in association with the end frames in an articulated manner and in that retaining means are provided for releasably holding the elongate frame members in the erected condition relative to the end frames. The length of the longitudinal frame members is of the same order as, or less than, the effective cross-sectional dimension of the tubular structure and this enables the structure to be collapsed by rotating the one end frame relative to the other with consequent pleating of the sidewall between the two end frames; possible bowing of the longitudinal frame members; and collapsing of the container to a position in which the elongate frame members extend approximately diametrically across the juxtaposed end frames.
    • 提供了一种可折叠的管状结构(1,22),其在竖立状态下在结构的每个端部处包括周边的,大致圆形的端部框架(2,11,12,28,32),至少两个并且通常为三个或四个 在两个端框架之间延伸的角度间隔的,刚性柔性的纵向框架构件(4,15,29,33)以及具有与两个端框架中的每一个相关联的端部边缘的柔性侧壁(6,19)。 该结构的特征在于,纵向框架构件的端部以铰接方式与端框架相关联地保持,并且提供保持装置用于将细长框架构件相对于端框架可释放地保持在竖立状态。 纵向框架构件的长度与管状结构的有效横截面尺寸相同或小于该尺寸,并且这使得结构能够通过相对于另一端框架旋转而折叠 两个端框之间的侧壁; 纵向框架构件可能弯曲; 并且将容器塌缩到细长框架构件大致沿径向延伸穿过并置的端框架的位置。