IP Library Granted Patent US 12,433,799
Granted Patent B2
US 12,433,799 · App. 17/794,602 · Granted Oct 7, 2025

Method of making elasticized waistband for use in an absorbent garment

Inventors: Robert E. Andrews (Falmouth, ME); Christopher A. Schwartz (Howards Grove, WI)
Assignee: Curt G. Joa, Inc.
A61F13/15756A61F13/15723A61F13/15747A61F13/15764A61F13/15804A61F13/49012A61F13/49015A61F13/496
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Quick Facts
Patent No.
US 12,433,799
App. No.
17/794,602
Granted
Oct 7, 2025
Kind
B2
Abstract

Absorbent garments are made by applying a refastenable material to a continuous panel web, folding the panel web, cutting the folded panel web into discrete folded panels, and aligning the folded panels with perforations in a continuous elasticized waist web. Discrete folded patches are coupled to the elastic web via the refastenable material and the perforation cuts are broken to form a continuous waistband. Absorbent cores are coupled between the continuous waistband and a second continuous waistband, which are cut to form the absorbent garments. The manufacturing apparatus includes a perforation cutter that forms perforation cuts in a continuous waist web comprising elastic elements positioned between facing web layers, a panel applicator that cuts a folded panel web into discrete panels and attaches the discrete panels to the waist web about the perforation cut. A breakage system separates the waist web at the perforation cuts and unfolds the discrete panels.

Claims (14)

1. A method of manufacturing a refastenable absorbent garment ( 117 ) comprising:

applying a refastenable material ( 74 ) to a continuous panel web ( 48 );

folding the continuous panel web ( 48 ) to form a folded continuous panel web ( 48 );

cutting the folded continuous panel web ( 48 ) into a plurality of discrete folded panels ( 86 );

aligning the plurality of discrete folded panels ( 86 ) with a series of perforations in a continuous elasticized waist web ( 18 );

coupling the plurality of discrete folded panels ( 86 ) to the continuous elasticized waist web ( 18 ) via the refastenable material ( 74 );

breaking the series of perforation cuts to form a first continuous waistband ( 111 ); thereby unfolding the folded panels ( 86 );

coupling a plurality of absorbent cores ( 114 ) between the first continuous waistband ( 111 ) and a second continuous waistband ( 112 ) by attaching the absorbent cores ( 114 ) to the unfolded panels ( 86 ); and

cutting the first and second continuous waistbands ( 111 , 112 ) to form at least one refastenable absorbent garment ( 117 ).

2. The method of claim 1 further comprising:

applying a first portion of the refastenable material ( 74 ) to a first edge of the continuous panel web ( 48 ); and

applying a second portion of the refastenable material ( 74 ) to a second edge of the continuous panel web ( 48 ).

3. The method of claim 1 further comprising breaking the series of perforations by stretching the continuous elasticized waist web ( 18 ).

4. The method of claim 1 further comprising temporarily bonding the plurality of discrete folded panels ( 86 ) to the continuous elasticized waist web ( 18 ).

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 7, 2023
From: ANDREWS, ROBERT E.; SCHWARTZ, CHRISTOPHER A.
To: CURT G. JOA, INC.
Reel/Frame 063260/0962 →
Continuity (2)
Provisional Application 62966112 · Jan 27, 2020
Related Publication 20230143833A1 · May 11, 2023
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