EP0252413A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Disposable diaper
Assignee: Kao Corp
•
Filing: 1987-06-30
•
Granted: —
•
Expires: 2007-06-30
Abstract
Abstract A disposable diaper is characterized by having an elastic liquid-impermeable barrier sheet between the top sheet and the back sheet at least on the end of the diaper, said barrier sheet being fixed at one end at least onto the back sheet and at the other end located between the absorbent material and the top sheet.
Inventors
- 👤 Harumitsu Toyoda
- 👤 Osamu Ito
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-08 23:19
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/45; A61F13/49; A61F13/494; A61F13/49466
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
105 words
-1-A disposable diaper which has a rectangular plane surface and comprises a liquid-permeable top sheet, a liquid-impermeable back sheet, an absorbent material provided between the two sheets, a pair of fasteners provided around one end of the diaper in relation to the longitudinal direction to fasten the one end to the other and an elastic liquid-impermeable barrier sheet provided between the top sheet and the back sheet at.least on the end of the diaper having said fasteners, said barrier sheet being fixed at one end at least onto the back sheet and at the other end located between the absorbent material and the top sheet.
Claim 2
Dependent Claim
39 words
-2-A disposable diaper as claimed in Claim 1, in which said back sheet and said barrier sheet each have an elongation of 20 percent or larger at a load of 200 g/cm at the lateral direction of the diaper.
Claim 3
Dependent Claim
25 words
-3-A disposable diaper as claimed in Claim 1, in which the back sheet and the barrier sheet have almost the same elongation as each other.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.