Absorbent article having a high coefficient of friction backsheet and a self-release tape tab

• US 6,595,977 B1
• Filed: 04/20/2000
• Issued: 07/22/2003
• Est. Priority Date: 04/20/2000
• Status: Expired due to Term

• Current Assignee: Johnson & Johnson Consumer Inc. (Johnson & Johnson)
• Original Assignee: McNeil-PPC Incorporated (Johnson & Johnson)
• Inventors: Luizzi, Joseph Michael Jr., Motta, Miriam
• Primary Examiner(s): Lo, Weilun
• Assistant Examiner(s): Bogart, Michael G
• Application Number:
  US09/553,576
• Time in Patent Office: 1,188 Days
• Field of Search: 604/385.02, 604/385.03, 604/385.04, 604/385.05, 604/385.14, 604/385.22, 604/386, 604/387, 604/390, 206/438, 206/440
• US Class Current: 604/390
• CPC Class Codes: A61F 13/51405 treated or coated, e.g. with moisture repellent agent
• CPC Class Codes: A61F 13/5514 each item packaged single
• CPC Class Codes: A61F 13/5611 using fastening strips, e.g. adhesive, on the undergarment-facing side

Abstract

The present invention relates to an absorbent article for managing bodily fluids, comprising a high coefficient of friction (“COF”) backsheet and at least one tape tab extending therefrom. The tape tab comprises a minimum amount of pressure sensitive adhesive sufficient to maintain the position of the article when a user'"'"'s undergarments are away from her body. When the undergarments are near her body, the high COF backsheet acts as the predominant means for maintaining the position of the article due to normal forces exerted by the user'"'"'s body and undergarments. When the user wants to remove the article from her undergarments, the tape tab provides additional advantages. The user may grasp the tape tab itself for removing the article as an alternative to grasping a portion of the soiled article. In addition the soiled article may be folded or rolled up, and then held in that configuration with the tape tab, for convenient and discreet disposal.

Claims

1. An absorbent article, comprising:

(a) a liquid permeable cover;

(b) a substantially tack-free, high coefficient of friction backsheet having at least one tape tab affixed to its outwardly disposed surface; and

(c) an absorbent material;

wherein the tape tab has a fixed end, a free end, a first surface, and a second surface opposite the first surface having adhesive and release zones thereon, the backsheet comprises a substrate having a substantially tack-free, high coefficient of friction coating on its outwardly disposed surface, and the coat weight of the high coefficient of friction coating is from about 10 to about 100 milligrams per square inch.

2. An absorbent article, comprising:

(a) a liquid permeable cover;

(b) a substantially tack-free, high coefficient of friction backsheet having at least one tape tab affixed to its outwardly disposed surface; and

(c) an absorbent material;

wherein the tape tab has a fixed end, a free end, a first surface, and a second surface opposite the first surface having adhesive and release zones thereon, the backsheet comprises a substrate having a substantially tack-free, high coefficient of friction coating on its outwardly disposed surface, and wherein the coating has a shear storage modulus of greater than about 1×

10⁵ dynes per square centimeter at a temperature of about −

40 to about 50 degrees Celsius.

3. An absorbent article, comprising:

(a) a liquid permeable cover;

(b) a substantially tack-free, high coefficient of friction backsheet having at least one tape tab affixed to its outwardly disposed surface; and

(c) an absorbent material;

wherein the tape tab has a fixed end, a free end, a first surface, and a second surface opposite the first surface having adhesive and release zones thereon, the backsheet comprises a substrate having a substantially tack-free, high coefficient of friction coating on its outwardly disposed surface and the coating has a static coefficient of friction of greater than about 1.0 and a dynamic coefficient of friction greater than about 0.8, and the coating has a glass transition temperature of less than about −

15 degrees Celsius.

4. An absorbent article, comprising:

(a) a liquid permeable cover;

(b) a substantially tack-free, high coefficient of friction backsheet having at least one tape tab affixed to its outwardly disposed surface; and

(c) an absorbent material;

wherein the tape tab has a fixed end, a free end, a first surface, and a second surface opposite the first surface having adhesive and release zones thereon, wherein the backsheet comprises a substrate having flocked fibers thereon.

5. An individually wrapped product, comprising:

a. an absorbent article, comprising;

i) a liquid permeable cover;

ii) a substantially tack-free, high coefficient of friction backsheet having at least one tape tab affixed to its outwardly disposed surface; and

iii) an absorbent material;

wherein the tape tab has a fixed end, a free end, a first surface, and a second surface opposite the first surface having adhesive and release zones thereon; and

b. a flexible wrapper enveloping the article;

wherein a portion of at least one tape tab extends external to the wrapper, whereby a user may open the individually wrapped product and separate the article from the wrapper using the tape tab.

6. The individually wrapped product of claim 5 wherein the flexible wrapper comprises paper.

7. The individually wrapped product of claim 5 wherein the flexible wrapper is a polymeric film.