Pants-type disposable wearing article

• US 7,014,632 B2
• Filed: 05/15/2002
• Issued: 03/21/2006
• Est. Priority Date: 05/18/2001
• Status: Expired due to Fees

• Current Assignee: Unicharm Corporation
• Original Assignee: Unicharm Corporation
• Inventors: Takino, Shunsuke, Otsubo, Toshifumi
• Primary Examiner(s): Kidwell, Michele M.
• Application Number:
  US10/146,226
• Publication Number:
  US 20020173764A1
• Time in Patent Office: 1,406 Days
• Field of Search: 60438524-38531, 604396-402, 604/393, 604/385.04
• US Class Current: 604/393
• CPC Class Codes: A61F 13/49413 the edge leakage prevention means being an upstanding barrier
• CPC Class Codes: A61F 13/496 in the form of pants or briefs

Abstract

A pants-type disposable wearing article has a holder means and an absorbent pad means. The absorbent pad means has a crotch region extending to a front and rear waist regions of the holder means and has longitudinal front and rear ends attached to the front and the rear waist regions. The absorbent pad means has a liquid absorbent core and is provided with leak-barrier flaps rising from side edges of the core and a ribbon-like suspenders attached to the top edges of the leak-barrier flaps. The extensions of the suspenders from the front and rear ends of the absorbent pad means are connecting the top edges of the leak-barrier flaps with the inner surface of the front and rear waist regions of the holder means.

Claims

1. A pants-type disposable wearing article comprising:

a float waist region;

a rear waist region;

a crotch region;

a waist-hole;

a pair of leg-holes;

an absorbent pad assembly; and

a holder assembly for holding the absorbent pad assembly,

wherein the holder assembly has front and rear waist regions which define the waist hole when the front and rear waist regions of the holder assembly are coupled together,

the absorbent pad assembly comprises;

a liquid-pervious topsheet;

a liquid-impervious backsheet;

a liquid-absorbent core interposed between the topsheet and backsheet and having opposite side edges extending in a longitudinal direction;

a crotch region extending between the front and rear waist regions of the holder assembly so as to define the pair of leg-holes together with the holder assembly; and

front and rear ends that are attached to the front and tear waist regions respectively, the pants-type disposable wearing article further comprising;

a pair of leak-barrier flaps included on the absorbent pad assembly and located immediately outside of the opposite side edges of the liquid absorbent core, the pair of leak-barrier flaps extending in the longitudinal direction of the absorbent pad assembly and being configured to rise from the opposite side edges; and

suspenders lying on top edges of leak-barrier flaps, extending outwardly of the leak-barrier flaps in the longitudinal direction of the absorbent pad assembly, and connecting the leak-barrier flaps with the front waist region and the rear waist regions, the suspenders including skin contacting surfaces which are configured to contact the skin of a wearer of the pants-type disposable wearing article.

2. The article according to claim 1, wherein the suspenders comprise ribbon-like shapes.

3. The article according to claim 2, wherein the suspenders include overhanging portions that extend at least inwardly from top edges of the leak barrier flaps in the transverse direction of the absorbent pad assembly.

4. The article according to claim 3, wherein the suspenders include overhanging portions that extend outwardly from the top edges of the leak-barrier flaps in the transverse direction of the absorbent pad assembly.

5. The article according to claim 1, wherein the suspenders are elastically stretchable in the longitudinal direction of the absorbent pad assembly.

6. The article according to claim 1, wherein the suspenders extend along entire lengths of the top edges of the leak barrier flaps.

7. The article according to claim 1, wherein the leak barrier flaps and the suspenders are made of elastically stretchable sheets.

8. The article according to claim 1, wherein the holder assembly has a crotch region lying on the crotch region of the absorbent pad assembly so as to form a pants-type shape.