Patent ID: 6093871
Filing Date: 2000-07-25
Classification: A61F,Y10T

Abstract:
A liquid-permeable topsheet for use in forming at least a part of body fluids absorbent article, said topsheet comprising:a skin-contactable side for contacting the skin of a person; anda skin-noncontactable side which is opposed from the skin-contactable side,said topsheet being formed from a nonwoven fabric composed of thermoplastic synthetic fibers each fiber having a fineness of about 0.1 to about 10 deniers and a length of about 20 to about 70 mm, said fibers being entangled so as to extend in parallel one to another substantially in one direction and including a plurality of liquid-permeable openings which have a total void area that is larger than a total void area provided by interstices between the entangled fibers, said openings including:a first group of openings in which each opening has a substantially oval shape defined by a major axis that extends substantially in parallel to said one direction and a minor axis that extends orthogonally to said one direction; anda second group of openings in which each opening has a substantially oval shape defined by a minor axis that extends substantially in parallel to said one direction and a major axis that extends orthogonally to said one direction.