Patents

Method and Apparatus for Making Tampons:

U.S. Patent No. 11,779,494

Author Image

By: Tara Olivo

Associate Editor at Nonwovens Industry

Kevin Charles Strong, Loveland, OH; Evan Joseph Durling, West Chester, OH; Hinrich Knuth, Mason, OH; and Khalid Qureshi, Mason, OH.
Assigned to The Procter & Gamble Company, Cincinnati, OH.

Filed: 12/17/19
Issued: 10/10/23

A method for making a tampon, the method comprising steps of: advancing primary absorbent members in a machine direction, wherein each primary absorbent member comprises a first surface and an opposing second surface extending in the machine direction between a leading edge and a trailing edge, wherein the leading edges of advancing the primary absorbent members are separated from each other in the machine direction by a pitch distance; advancing discrete secondary absorbent members, wherein each discrete secondary absorbent member comprises a first surface and an opposing second surface extending in the machine direction between a leading edge and a trailing edge; separating the leading edges of the advancing discrete secondary absorbent members from each other in the machine direction by the pitch distance; advancing a continuous cord in the machine direction; positioning the continuous cord on the first surface of a first discrete secondary absorbent member; positioning the second surface of the first discrete secondary absorbent member in contact with and in a facing relationship with the first surface of a first primary absorbent member; sewing a thread through the continuous cord, the first discrete secondary absorbent member, and the first primary absorbent member.

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