Sanitary napkin adhesively attached via elastic member

• US 4,753,648 A
• Filed: 05/08/1987
• Issued: 06/28/1988
• Est. Priority Date: 05/08/1987
• Status: Expired due to Term

• Current Assignee: McNeil-PPC Incorporated (Johnson & Johnson)
• Original Assignee: Personal Products Co. (Johnson & Johnson)
• Inventors: Jackson, Wanda W.
• Primary Examiner(s): Pellegrino, Stephen C.
• Application Number:
  US07/047,093
• Time in Patent Office: 417 Days
• Field of Search: 604/389, 604/390, 604/393, 604/387, 604/400, 604/401, 604/358, 604/385.1
• US Class Current: 604/389
• CPC Class Codes: A61F 13/5611 using fastening strips, e.g. adhesive, on the undergarment-facing side
• CPC Class Codes: A61F 13/82 with means for attaching to the body

Abstract

A sanitary napkin is disclosed for providing improved product fit and adjustability to different body sizes. The napkin provides for secure product placement during body movements and employs one or more elastic members attached to the ends of a central absorbent having a body fluid pervious surface and a body fluid impervious surface. The napkin also includes adhesive tabs attached to the end of said elastic members for re-attachment of the napkin after initial use.

Claims

1. An sanitary napkin for adhesively attaching to skin or undergarment comprising:

(a) a central absorbent having longitudinally extending edges, a body facing side, an undergarment facing side, and transverse ends;

(b) a body fluid pervious surface on said body facing side;

(c) a body fluid impervious surface on said undergarment facing side;

(d) at least one elastic member attached to one of said transverse ends having a free end;

(e) a first adhesive tab disposed on said free end of said elastic member for attaching said napkin to the skin; and

(f) a second adhesive tab attached to the other one of said transverse ends for attaching said napkin to the skin.

2. The sanitary napkin of claim 1 wherein said impervious surface is polyethylene.

3. The sanitary napkin of claim 1 wherein said impervious surface is a non-woven material coated with an impermeable film.

4. The sanitary napkin of claim 1 wherein said elastic member comprises a non-absorbent material.

5. The sanitary napkin of claim 1 wherein said central absorbent is about 5-20 inches in length.

6. The sanitary napkin of claim 1 wherein said central absorbent is about 10-14 inches in length.

7. The sanitary napkin of claim 1 wherein said central absorbent comprises a progressively decreasing width from one of said transverse ends to the other one of said transverse ends.

8. The sanitary napkin of claim 1 comprising a second elastic means disposed between said second adhesive tab and said other one of said transverse ends.

9. The sanitary napkin of claim 1 wherein said first and second adhesive tabs are disposed on a garment facing side of said napkin, said adhesive tabs being capable of folding over the waistband of said garment to contact the skin.

10. The sanitary napkin of claim 1 wherein said first and second adhesive tabs are disposed on a body facing side of said napkin.

11. The sanitary napkin of claim 1 wherein said elastic member is covered in fabric.

12. The sanitary napkin of claim 1 wherein said elastic member is covered in fabric on its body facing side.

13. The sanitary napkin of claim 1 wherein said elastic member is longitudinally extendable by at least 25%.

14. The sanitary napkin of claim 1 wherein said elastic member is longitudinally extendable by at least 50%.

15. The sanitary napkin of claim 1 wherein said elastic member is longitudinally extendable by at least 100%.

16. The sanitary napkin of claim 1 wherein said elastic member is narrower than said transverse end.

17. The sanitary napkin of claim 1 wherein said adhesive tabs comprise a plurality of adhesive surfaces having releasable coverings to allow for re-attachment of said tabs.

18. The sanitary napkin of claim 1 wherein said adhesive tabs comprise a plurality of adhesive layers, said layers being separated by releasable coverings to allow for re-attachment of said tabs.