Pad integrity improvement by replacing the constructive adhesive with ultrasonic compressions

Abstract

Disposable personal care products, such as diapers, feminine care products and adult incontinence products, are provided. More specifically, disposable personal care products having improved absorbent core integrity and core absorbency are provided. These products eliminate the need for costly adhesives. A method for making the products is also provided. The method includes forming a plurality of localized compressions by ultrasonically compressing the natural fiber core between, although not necessarily adjacent to, at least one upper and at least one underlying fusible material. The periphery of the article is then bonded by conventional means, such as adhesives, crimping or fusing. This process reduces costs associated with the manufacturing of such articles by eliminating or reducing the amount of adhesives in the final product, and by eliminating costly and intermittent bonding procedures. The method also improves the continuum of the absorbent core without increasing material and manufacturing costs associated with these products.

Dependencies are inferred from the claim text.