PROCESS FOR FORMING A SHEET OF MATERIAL

摘要

A process for forming a homogeneous sheet from particulate elements, (as herein defined), at least some of which have an inherent vertical mobility (as herein defined) in water at normal temperature and pressure of from about 1 to about 21 cms/sec, which comprises the steps of forming a foamed dispersion of said particulate elements, and despositing and draining said dispersion on a foraminous support.