Patents

Apparatus and a Method for Entrapping an Elastomeric Material with Form-Fitting Elastomeric Regions

U.S. Patent No. 12,419,791

Author Image

By: Tara Olivo

Associate Editor at Nonwovens Industry

Justin Marshall Lafferty, Marshfield, WI; Patrick Sean McNichols, Hortonville, WI; Kevin Miles Lysne, Fremont, WI; Melissa Ann Offenstein, Kaukauna, WI; and Michael A. Snyder, Hortonville, WI.
Assigned to Dukane IAS, LLC, St. Charles, IL.

Filed: 10/10/24
Issued: 9/23/25

An apparatus for fabricating an elasticized material having at least one elastic strand transversely positioned across the apparatus and along an elastic strand velocity vector direction, the apparatus comprising: a first bonding module; and a second bonding module positionable in proximity to the first bonding module, wherein at least one of the first bonding module and the second bonding module has a face with a width dimension and a circumferential axis and is rotatable about an axis, the face having a repeating contour pattern containing a plurality of ridges, wherein the plurality of ridges contain at least a first ridge and a second ridge adjacent to the first ridge, the first ridge and the second ridge each comprising lands and notches constructed to receive and hold the at least one elastic strand, wherein the first ridge comprises a notch aligned with a corresponding notch in the second ridge such that said notch and said corresponding notch are arranged to accept the at least one elastic strand, and wherein said notch and said corresponding notch each have a different longitudinal axis that is between −30° and +30° from the at least one elastic strand velocity vector direction.

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