| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a hot air heating device that executes works stably for sticking lugs to side wall panels on a trunk part of a flattop square column-like paper container (flattop carton) for liquid. SOLUTION: Small blowoff nozzles 15 are opened at hot air blowing plates 13, 14 of blowoff chambers 12 arranged for heating the reverse side of lugs 2, each folded up in a triangular shape, and the surface of side wall panels 1 on the trunk facing the lugs simultaneously so that the blowoff nozzles are arranged in a form corresponding to the triangular shape of the lug 2.</p> |
