| 摘要 |
<p>1. Signature file or separator for letters, essentially constituted by leaves (1) of blotting paper or any other type of paper, card, rigid synthetic material, etc. which are connected to a spine (2) with concertina type folds, and by two covers (3), each leaf (1) having a longitudinal tab (4) extending along the edge by which it is fixed to the spine (2), thus allowing the document inserted in the signature file or separator to be pinched slightly against the next leaf (1) without affecting signature, such that said document cannot slip out when the leaves (1) are turned, characterised in that said tab (4), which is an integral part of the leaf (1) and extends the leaf (1) beyond its fold line, constitutes the tab of the leaf (1) immediately below the leaf from which it issues, such that the document to be signed is inserted between said tab (4) and said lower leaf (1).</p> |
