| 摘要 |
Laminates of a corrugating medium and facing layers, useful as interior trim for automobiles, ships or buildings are manufd. by a multistep process. The corrugated paperboard substrate made by interposing hot-melt adhesive sheets between a corrugating medium and linerboard on the both sides of the medium is preheated so that adhesive sheets are softened, and then molded in a hot-press having a fixed die and a movable die.
|
