| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an extrusion lamination apparatus which can reduce replacement work for a nip roll and improve productivity.SOLUTION: In an extrusion lamination apparatus provided with a cooling roll 3, nip rolls 4 and a T die 6, three nip rolls 4b, 4c and 4d are arranged on the outer periphery of the cooling roll 3, from the upstream to the downstream, and have larger diameters and harder surfaces, in order. The individual nip rolls press uniformly to the side of the cooling roll. A web-like laminate packaging material is obtained.</p> |
