| 摘要 |
A container comprises a bottom plate (3), a top plate (4) and a shell (1) with supporting segments (2). The supporting segments (2) form a pyramid having a regular polygon base extending very close to the circumference, the number of sides being twice the number of supporting segments (2) to give a Vee structure which ensures that the segments (2) are positively and precisely positioned for moulding. |
