| 摘要 |
<p>A reinforced corrugated paper board is produced by forming a multiwall sheet having an inner layer of a mixture of cellulose pulp and a thermoplastic resin, and two outer layers of cellulose pulp each formed onto the opposite surfaces of said inner layer, feeding said multiwall sheet to a corrugate machine so that said layers are incorporated together and shaped into a unity fluted member and laminating at least one sheet of outer liner member to said fluted member.</p> |
