Patent Number: 6,183,587

Title: Method of making sanitary napkin comprising three dimensionally shaped tubeof absorbent material

Abstract: The method of making a shaped tube of absorbent material for the sanitary napkin, in one embodiment, involves the steps of: (a) providing a web of absorbent material, the web of absorbent material having a length, a width, a longitudinal centerline oriented in the direction of the length of the web of absorbent material, a first surface and an opposed second surface; (b) providing a cover for the first and second surfaces of the web of absorbent material; (c) at least partially covering the first and second surfaces of the web of absorbent material with the cover to form a composite web having longitudinal side margins; (d) folding the composite web at least once with folds defining fold lines that are arranged about the longitudinal centerline of the web of absorbent material; and (e) autogenously bonding a portion of the cover that covers the first surface of the web of absorbent material to a portion of the cover that covers an opposing portion of the second surface of the web of absorbent material.

Inventors: McFall; Ronald Ray (West Chester, OH), Hammons; John Lee (Hamilton, OH), Gann; Diana Lynn (Lebanon, OH), Noel; John Richard (Cincinnati, OH)

Assignee:

International Classification: A61F 13/15 (20060101); B32B 031/00 (); A61F 013/15 ()

Expiration Date: 02/06/2013