A multi-layer absorbent product in a preferred embodiment includes a fibrous nonwoven top sheet, a fibrous nonwoven absorbent core layer, and a fibrous nonwoven substantially water-impervious back sheet. Each component layer or sheet is manufactured at a fiberizing station (i.e., melt spinning) and laminated...http://www.google.es/patents/US6502615?utm_source=gb-gplus-sharePatente US6502615 - Apparatus for making an absorbent composite product
Apparatus for making an absorbent composite product