The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 07, 1993
Filed:
Jan. 04, 1993
Applicant:
Inventors:
Assignee:
Uni-Charm Corporation, , US;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
428163 ; 6043851 ;
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.