IP Library Granted Patent US 8,834,439
Granted Patent B2
US 8,834,439 · App. 13/717,960 · Granted Sep 16, 2014

Tampon with continuous groove forms

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Quick Facts
Patent No.
US 8,834,439
App. No.
13/717,960
Granted
Sep 16, 2014
Kind
B2
Abstract

The present invention relates to an intravaginal tampon for feminine hygiene includes a generally cylindrical absorbent pledget and a withdrawal element operatively connected to the generally cylindrical pledget proximate to the withdrawal end thereof. The absorbent pledget includes a mass of fibers compressed into a self sustaining shape and a sheet-like fluid-permeable cover substantially enclosing the mass of fibers. The absorbent pledget has formed thereon or therein at least one continuous groove form comprising a plurality of substantially longitudinal groove segments linked only to form a turn located alternatively proximate the insertion end and withdrawal end and wherein the continuous groove form extends around at least 180° about the circumference of the generally cylindrical absorbent pledget.

Claims (13)

1. An intravaginal tampon for feminine hygiene comprising:

a) a generally cylindrical absorbent pledget having a circumference, a length, a longitudinal axis, an insertion end, and a withdrawal end and comprising

i) a mass of fibers compressed into a self sustaining shape and

ii) a sheet-like fluid-permeable cover substantially enclosing the mass of fibers;

b) a withdrawal element operatively connected to the generally cylindrical pledget proximate to the withdrawal end thereof;

wherein the absorbent pledget comprises at least one continuous groove form comprising a plurality of substantially longitudinal groove segments linked only to form a turn located alternatively proximate the insertion end and withdrawal end and wherein the continuous groove form extends around at least 180° about the circumference of the generally cylindrical absorbent pledget.

2. The tampon of claim 1 , wherein the at least one continuous groove form extends about the whole circumference of the generally cylindrical absorbent pledget.

3. The tampon of claim 1 , wherein the pledget comprises at least two continuous forms.

4. The tampon of claim 1 , further comprising at least one additional groove or groove form continuous and anything else.

5. The tampon of claim 1 , wherein the at least one continuous groove form extends at least 10% of the radius into the pledget.

6. The tampon of claim 1 contained in an applicator.

7. The tampon of claim 1 formed by molding a compressed tampon in a mold having an inner surface patterned with raised elements capable of forming the at least one continuous groove form.

8. The tampon of claim 1 formed by calendering a compressed tampon in the nip between one or more anvil rolls and a calendering roll having an embossed pattern corresponding to the at least one continuous groove form.

Assignments (2)
CHANGE OF NAME Recorded Oct 21, 2025
From: JOHNSON & JOHNSON GMBH
To: KENVUE GERMANY GMBH
Reel/Frame 073188/0552 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 24, 2013
From: KIMBALL, DAVID L.; NG, TONY C.; ZEDAYKO, TARA
To: JOHNSON & JOHNSON GMBH
Reel/Frame 029685/0168 →