Surgery – Means and methods for collecting body fluids or waste material – Absorbent pad for external or internal application and...
Patent
1998-01-14
1999-10-19
Weiss, John G.
Surgery
Means and methods for collecting body fluids or waste material
Absorbent pad for external or internal application and...
604358, 428179, 428181, A61F 1315, B32B 328
Patent
active
059680296
ABSTRACT:
The present invention is directed to a macroscopically three-dimensional formed substrate including a first boundary zone having a first surface pathlength and a second boundary zone having a second surface pathlength. The first and the second surface pathlengths are preferably measured when the formed substrate is in a relaxed condition. The substrate also includes an elongated zone located at least partially between the first boundary zone and the second boundary zone. The elongated zone comprises incrementally stretched regions which result in the elongated zone being elongated in a first direction of elongation and having a third surface pathlength measured when the formed substrate is in the relaxed condition. The third surface pathlength is greater than either the first pathlength or the second pathlength such that the substrate takes on a macroscopic three-dimensional configuration when the backsheet is in a relaxed condition.
REFERENCES:
patent: 5202173 (1993-04-01), Wu et al.
Chappell Charles W.
Curro John J.
Lodge Richard W.
Mansfield Michele A.
Cogut Catherine
Miller Steven W.
Rasser Jacobus C.
The Procter & Gamble & Company
Weirich David M.
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