LIQUID-PERMEABLE TOPSHEET FOR BODY FLUIDS ABSORBENT ARTICLE AND METHOD OF MAKING THIS TOPSHEET

摘要

A TOPSHEET FOR BODY FLUIDS ABSORBENT ARTICLE IS MADE OF THERMOPLASTIC SYNTHETIC FIBERS MECHANICALLY ENTANGLED SO AS TO EXTEND SUBSTANTIALLY IN A DESIRED ONE DIRECTION AND FORMED WITH LIQUID-PERMEABLE OPENINGS. THE OPENINGS COMPRISE A FIRST GROUP OF OPENINGS EACH HAVING A SUBSTANTIALLY OVAL SHAPE DEFINED BY ITS MAJOR AXIS EXTENDING SUBSTANTIALLY IN PARALLEL TO THE DIRECTION IN WHICH THE FIBERS EXTEND AND ITS MINOR AXIS EXTENDING ORTHOGONALLY TO THE MAJOR AXIS AND A SECOND GROUP OF OPENINGS EACH HAVING A SUBSTANTIALLY OVAL SHAPE DEFINED BY ITS MINOR AXIS EXTENDING SUBSTANTIALLY IN PARALLEL TO THE DIRECTION IN WHICH THE FIBERS 11 EXTEND AND ITS MAJOR AXIS EXTENDING ORTHOGONALLY TO THE MINOR AXIS. (FIG. 2)