Apparatus on Board Machine for Producing Folded Underwear Pads

Alessandro Zavalloni, Bologna, Italy.

Filed by GDM S.p.A., Bologna, Italy.

Filed: 5/13/25
Issued: 9/8/26

An apparatus for folding a semifinished product of an absorbent product for sanitary use to form a product shaped as pants, the apparatus comprising: a path of forward motion for the semifinished product, the path of forward motion comprising transversal folding devices configured to fold the semifinished product about a transverse line with respect to the path of forward motion so as to fold the semifinished product into two parts overlapping each other to form the product shaped as pants, and the semifinished product having wings comprising a first wing emerging from a flank of the semifinished product, a second wing opposite the first wing and emerging from an opposite flank of the semifinished product, a third wing, and a fourth wing; and folding means of the wings disposed upstream of the transversal folding devices and configured to overturn, and maintain in a laid position on a surface of the semifinished product, the first wing and the second wing until completion of formation of the product shaped as pants, wherein the folding means comprise one or more nozzles for providing one or more air jets and one or more fingers movable along the path of forward motion to overturn, and maintain, the wins in the laid position.