Printed product in form of block of sheets of paper covered by cardboard cover in sections defined by folds, with spine

摘要

The printed product consists of a block of sheets of paper (30) and a cardboard section with at least two parallel folds(3,4) between which a spine section (7) is defined to which a block-spine (31)is attached. The two cardboard sections on each side of the spine are folded over the block to cover it.. One of the cardboard sections has two further parallel folds (5,6) so that the adjacent folds of the two pairs of folds (1,2) so that the in-between section (8) covers the sheets of he block. The section outside the other fold covers the further edge (11) of the block(10).