| 摘要 |
<p>The present invention provides a block of sheets, comprising first (1), second (2) and third (3) stacks of sheets and a flexible connecting sheet (31) having opposite first and second major surfaces, each of said first (1), second (2) and third (3) stack consisting of sheets (12) being connected to each other and having opposite front (12a) and back (12b) major surfaces, and said sheets being stacked back major surface to front major surface, and each of said first (1), second (2) and third (3) stack having an opposite first (10a) and second (10b) side, said first side displaying a front major surface of a sheet and said second side displaying a back major surface of a sheet, at least part of said second side of said first stack (1) being attached to said first major surface of said flexible connecting sheet (31) and at least a part of said second side of said second stack (2) being attached to said second major surface of said flexible connecting sheet (31), said first (1) and second (2) stack being positioned with their second sides in a face to face relationship and at least a part of said second side of said third stack (3) being attached to said first major surface of said flexible connecting sheet (31) opposite to said first stack and spaced away therefrom thereby defining a hinge portion (32, 53, 63, 73) allowing said third stack (3) to be positioned in a first configuration with the first side of said third stack (3) facing the first side of said first stack (1) or in a second configuration with the second side of said third stack (3) facing the first side of said second stack (2).</p> |
