Disclosed is a process for producing a crimp-bonded fibrous cellulosic laminate. The process includes the steps of: 1) providing at least two superposed plies of a fibrous cellulosic material; 2) passing the superposed plies through a crimp roll arrangement including a rotating crimp element and a rotating...http://www.google.fr/patents/US5622734?utm_source=gb-gplus-shareBrevet US5622734 - Apparatus for producing a crimp-bonded fibrous cellulosic laminate
Apparatus for producing a crimp-bonded fibrous cellulosic laminate
