摘要 |
In a flexible blanket comprising a two-dimensional array of shells (14) interconnected by ropes (13) to facilitate flexibility, and which shells may be filled with ballast material (19) to provide a weighted blanket for use underwater, each shell (14) is of a two-part construction comprising upper and lower parts which can be interlocked with one another, eg as a snap-fit, to locate the ropes therebetween. <IMAGE> |