Matteo Piantoni, Albino, Italy; and Alessandro Zavalloni, Sesto ed Uniti, Italy.
Assigned to GDM S.p.A., Bologna, Italy.

Filed: 10/17/23
Issued: 11/18/25

An apparatus for mutually welding at least two elements of an absorbent sanitary item, comprising: a supporting structure; a first welding member associated with said supporting structure and comprising a first welding surface; a second welding member associated with said supporting structure and comprising a second welding surface, wherein said second welding member is movable with respect to the first welding member between: a non-operating position, in which the second welding surface is spaced apart from the first welding surface to allow at least two elements of the absorbent sanitary item to be positioned above the first welding surface, and a welding position, in which the second welding surface is in contact with the first welding surface to allow welding the at least two elements of the absorbent sanitary item; wherein said second welding member comprises at least one yielding coupling element configured to allow a relative displacement between said first welding surface and said second welding surface as a result of a mutual contact between the second welding member and the first welding member, wherein said at least one yielding coupling element is part of said second welding member and said second welding member comprises a mounting head associated with said supporting structure and a welding block associated with said mounting head and comprising said second welding surface, wherein said at least one yielding coupling element is interposed between said welding block and said mounting head; wherein said supporting structure comprises a first supporting block associated with said first welding member and a second supporting block associated with said mounting head; and wherein said apparatus comprises adjustment members configured to adjust the position of said mounting head with respect to said second supporting block.