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Method and Apparatus for Producing an Absorbent Structure:

U.S. Patent No. 11,116,677

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By: Karen McIntyre

Editor, Nonwovens Industry

Alessandro Cipriani, Teramo, Italy; Osvaldo Mancini, Pescara, Italy; Paolo Pasqualoni, Sambuceto di San Giovanni Teatino, Italy; and Domenico Polidori, Pescara, Italy.
Assigned to Fameccanica, Data SpA, Pescara, Italy.

Filed: 5/11/20
Issued: 9/14/21

An apparatus for producing an absorbent structure for absorbent sanitary articles, comprising: transport device configured to advance a first nonwoven layer at a first speed; a suction chamber configured to produce a vacuum for holding the first non-woven layer onto the transport device, with a first surface of said first nonwoven layer facing the suction chamber; a dispensing device configured to distribute superabsorbent granular material on a second surface of said first nonwoven layer opposite to said first surface; and a volumizing device comprising a first toothed portion arranged for penetrating into said first nonwoven layer through said second surface and wherein the first tooth portion is configured to move with respect to said first non-woven layer with a speed difference so as to volumize said first non-woven layer; wherein said volumizing device is arranged downstream of said dispensing device.

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