DISPOSABLE BODY FLUIDS ABSORBENT ARTICLE

• US 20020062115A1
• Filed: 04/20/1999
• Published: 05/23/2002
• Est. Priority Date: 04/20/1998
• Status: Abandoned Application

• Current Assignee: Unicharm Corporation
• Original Assignee: Unicharm Corporation
• Inventors: WADA, MITSUHIRO, KIDO, TSUTOMU
• Application Number:
  US09/295,005
• Publication Number:
  US 20020062115A1
• Time in Patent Office: Days
• US Class Current: 604/385.23
• CPC Class Codes: A61F 13/512 characterised by its apertures, e.g. perforations
• CPC Class Codes: A61F 13/51394 creating a visual effect, e.g. having a printed or coloured topsheet, printed or coloured sub-layer but being visible from the topsheet, other than embossing for purposes of bonding, wicking, acquisition, leakage-prevention
• CPC Class Codes: A61F 13/84 Accessories, not otherwise provided for, for absorbent pads
• CPC Class Codes: A61L 15/42 Use of materials characterised by their function or physical properties liquid bandages A61L26/00

Abstract

A disposable body fluids absorbent article includes a topsheet having a plurality of apertures extending therethrough and an absorbent core covered with the topsheet, the topsheet and core are colored so as to ensure a color difference (ΔE) in NBS unit between the topsheet and portions of the core which are seen through the apertures.

Claims

1. A disposable body fluids absorbent article comprising a liquid-pervious topsheet, a liquid-impervious backsheet and a liquid-absorbent core disposed between said topsheet and said backsheet, wherein:

said topsheet is formed with a plurality of liquid-pervious apertures each having a diameter of 0.1˜

5.0 mm and a color difference (Δ

E) of 1.5 or higher in NBS unit is ensured between a color of said topsheet on upper peripheral zones of said apertures and a color of said core on an upper surface thereof which can be seen through said apertures.

2. A disposable body fluids absorbent article according to claim 1, wherein each of said apertures is defined by a tubular wall extending from a peripheral edge thereof down towards the said core.

3. A disposable body fluids absorbent article acceding to claim 1, wherein said topsheet is made of either of a plastic film and a nonwoven fabric.