| 摘要 |
<p>PURPOSE:To detach a cover from the second sticky tape without damaging the same at all by winding the first sticky tape up to the side end surface of the cover to bond the same thereto. CONSTITUTION:In performing additional bookbinding after a predetermined paper piece is once subjected to bookbinding, the second sticky tape 3 forming a back cover of a book is released by the action of the release agent treatment surface of the first sticky tape 2 bonded and fixed to a cover 1. With this release, the cover 1 is detached. Especially, since the first sticky tape is wound up to the side end surface of the cover to be bonded thereto, the delamination generated from the side end surface of the cover 1 at the time of the release of the second sticky tape 3 is prohibited by the first sticky tape 2. As a result, the cover 1 can be detached from the second sticky tape 3 without being damaged at all.</p> |
