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Patents

Shaped Tampon

U.S. Patent No. 12,059,331

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By: Tara Olivo

Associate Editor at Nonwovens Industry, Rodman Media

Mirko Buschhaus, Essen, Germany; David L. Kimball, Flemington, NJ; and Lionel Robbe, Cologne, Germany.
Assigned to Johnson & Johnson GmbH, Neuss, Germany.

Filed: 9/16/20
Issued: 8/13/24

Shaped tampon, having a longitudinal axis, an insertion portion with an insertion tip, a withdrawal portion with a withdrawal end, the insertion and withdrawal portions being connected through a central portion, and each portion comprising a plurality of grooves, a contour of said insertion portion in an axial cross section plane is an ellipse, the said ellipse having a major axis and a minor axis and a maximal axial cross section, and wherein the major axis is not equal to the minor axis; the contour of said insertion portion is curved in at least one longitudinal cross section plane, and the grooves on said insertion portion extend from the central portion to the insertion tip and are merged in a dome shaped insertion tip, wherein at least 2 pairs of grooves on the insertion portion are converging each respectively to 1 groove on the withdrawal portion through the said shoulder located on the central portion.

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