Liquid-permeable topsheet for body fluid absorptive goods
AssigneesMitsui Petrochemical Industries, Ltd., Uni-Charm Corporation
InventorsHisashi Takai, Tsutomu Kido
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Abstract
A topsheet for body fluid absorptive articles improved so that liquid passages formed in the topsheet may be stabilized during use of the goods and the topsheet may offer cloth-like feeling and appearance, the topsheet being composed of an upper sheet layer made from melt blown nonwoven fabric containing downwardly extending liquid passageways and an underlying fibrous layer 11 bonded thereto adjacent the lower openings of said liquid passageways, whereby the liquid passageways will not be collapsed and the lower openings of these passageways will not be distorted.
Claims6
A topsheet (2) for body fluid absorptive articles comprising
- (a) an upper sheet layer (10) of melt blown nonwoven fabric having a weight per unit area of 10 to 100 g/m.sup.2 and provided with a plurality of downwardly extending liquid passageways (15) having upper ends (15a) and lower ends with lower openings (15b), and
- (b) a lower fibrous layer (11) underlying said upper sheet layer (10) having a fineness of 1 to 10 deniers, a weight per unit area of 10 to 40 g/m.sup.2 and a density of 0.01 to 0.1 g/cm.sup.3 the ends with lower openings (15b) of said downwardly extending passageways (15) being bonded to said lower layer (11) so as to protect said downwardly extending liquid passageways (15) against collapse and protect said lower openings (15b) from being distorted.
Dependencies are inferred from the claim text.