| 摘要 |
Device comprising at least one inflatable part, characterised in that it comprises a top board 1 joined, along one of its sides and by means of an airtight hinge 2, to one of the sides of a bottom board 3, the other edges of these top 1 and bottom 3 boards being assembled by means of a flexible airtight membrane 6, so that an air chamber 7 is formed between these boards, between which a restoring means 5 is positioned to tend to keep them apart in a position where said air chamber 7 is at its maximum volume, said device also comprising at least one inflatable bladder 8 attached to the top board 1 with an aperture 9 communicating for inflation purposes with an opening 10 in said top board 1. Application to the illustration of books, postcards, relief maps, etc. <IMAGE>
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