PROCEDIMENTO E MACCHINA PER PRODURRE CARTONI ONDULATI PER PANNELLI DI FINITURA E PRODOTTI COSI' OTTENUTI

摘要

One of two liners between which a corrugated medium is disposed is temporarily or expediently fixed to the medium. Upon press-forming, slippage of the temporarily fixed liner relative to the medium occurs, so that no wrinkles are produced in the liner.