| 摘要 |
The pack, consists of a base (18), two parallel sides (16, 20) with reinforcing members (78, 80) and a top (22), all made from a single cardboard panel. The reinforcing members are made from inward-facing accordion pleats in the pack's side walls (16, 20), folded along parallel lines. The pack is made from a rectangular cardboard panel which is marked out with lines for the base, sides and top, with additional lines for the side wall pleats. On the top of the pack the pleat material if folded outwards to form a carrying handle, while the base has a slot in it to receive the handle of a pack located beneath it in a stack.
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