| 摘要 |
<p>The method involves providing a nozzle for coating a back of a book without electrical, pneumatic or hydraulic energy. The nozzle is adjusted corresponding to book block length. A cold glue flow is stopped by a lever mechanic, which corresponds to the block length to be coated. A cold glue film thickness is formed by mechanical lifting of the book block for placing the book block over a nozzle slit, which defines an increased back guidance.</p> |
