Liquid-permeable topsheet for body fluid absorbent articles

Details Liquid-permeable topsheet for body fluid absorbent articles Liquid-permeable topsheet for body fluid absorbent articles

1993-01-04

1993-12-07

Cannon, James C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

6043851, A61F 1315, B32B 326, B32B 330

Patent

active

052682137

ABSTRACT:
To control a flow of body fluid generally occurring on the liquid-permeable topsheet for body fluid absorbent article in a predetermined direction, here is disclosed an improved liquid-permeable topsheet made of thermoplastic synthetic resin comprising a plurality of first direction ribs and a plurality of second direction ribs crossing the first direction ribs so as to a unique rib structure. Tops 7 of the second direction ribs 3 are connected with opposite sides 6 of the respective first direction ribs 2 and each pair of adjacent first direction ribs 2 define a groove 10 serving to guide the body fluid in the predetermined direction.

REFERENCES:
patent: 2896618 (1959-07-01), Schaefer
patent: 3292619 (1966-12-01), Egler
patent: 3459618 (1969-08-01), Egler
patent: 3877140 (1975-04-01), Topolsek
patent: 5114776 (1992-05-01), Cesaroni
WO90/11746 (PCT/GB90/00486), Howarth, Oct. 18, 1990.

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