A method of forming preformed absorbent cores wherein the absorbent cores have material properties which vary within the body of the core. The cores are formed by controlling the output of forming heads upon an air-laid non-woven apparatus. The forming heads or other particle distribution units distribute...http://www.google.es/patents/US20040087928?utm_source=gb-gplus-sharePatente US20040087928 - Method of making preformed absorbent cores and absorbent cores produced thereby
Method of making preformed absorbent cores and absorbent cores produced thereby
