A disposable diaper comprising a waterproof back sheet, a hydrophobic sheet, and an hydrophilic pad sandwiched between the back sheet and the face sheet. The diaper is folded to define a box pleated configuration. Sealing strips of waterproof material separate from the back sheet are secured to the face...http://www.google.es/patents/US3999548?utm_source=gb-gplus-sharePatente US3999548 - Disposable diaper having fluid trap
