Patents

Method for Producing Absorbent Structures Having Absorbent Pads and Absorbent Inserts

U.S. Patent No. 12,678,340


Filed: 3/14/23
Issued: 7/14/26

A method for producing absorbent structures, comprising: forming an array of absorbent pads comprising cellulose fluff, wherein each absorbent pad of said array of absorbent pads has at least one through-opening, forming an array of fluff-free absorbent inserts, each fluff-free absorbent insert comprising at least one nonwoven layer in which superabsorbent material is incorporated, and arranging said fluff-free absorbent inserts within respective through-openings of said absorbent pads so as to form an array of absorbent structures, each of which comprises an absorbent pad and at least one fluff-free absorbent insert inserted in the through-opening of the respective absorbent pad, wherein the method further comprises: fixing said array of fluff-free absorbent inserts on a first continuous nonwoven web in positions spaced apart from each other along a longitudinal direction, applying said array of absorbent pads on a second continuous nonwoven web in positions spaced apart from each other along the longitudinal direction, overlapping said second continuous nonwoven web to said first continuous nonwoven web, and—at the same time—inserting said fluff-free absorbent inserts into respective through-openings of said absorbent pads and sandwiching said array of absorbent pads and said array of fluff-free absorbent inserts between said first and second continuous nonwoven webs. 

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