At the same time the bulky paper production device and production of the bulky paper which uses that

摘要

PROBLEM TO BE SOLVED: To obtain an opening pattern net suitable for producing bulky paper having large thickness and high absorbing property, excellent in flexibility and having proper strength. ;SOLUTION: This opening pattern net 31 has many openings for applying patterning to a fiber sheet 2 by suction in a state in which a fiber sheet 2 having 50-99wt.% water content ratio is retained. In the pattern net 31, one opening part area is 3-25mm² and opening part area ratio is 19-91% and minimum width of a net material 30 forming openings is 0.2-2mm.;COPYRIGHT: (C)1998,JPO