| US 7,374,627 B2 | ||
| Method of producing an ultrasonically bonded lap seam | ||
| John A. McCabe, Sheboygan Falls, Wis. (US) | ||
| Assigned to Curt G. Joa, Inc., Sheboygan Falls, Wis. (US) | ||
| Filed on Apr. 07, 2005, as Appl. No. 11/100,895. | ||
| Claims priority of provisional application 60/563518, filed on Apr. 19, 2004. | ||
| Prior Publication US 2005/0230024 A1, Oct. 20, 2005 | ||
| Int. Cl. B32B 37/00 (2006.01) | ||
| U.S. Cl. 156—73.1 [156/290; 156/308.4] | 11 Claims |
| 1. A method of forming a seam in a disposable undergarment comprising the steps of:
providing a first web having a first end and a second end;
providing a second web having a first end and second end;
said first end of said first web overhanging said first end of said second web;
said second end of said second web overhanging said second end of said first web;
folding said overhanging first end of said first web over said first end of said second web;
folding said overhanging second end of said second web over said second end of said first web;
coupling said overhanging first end of said first web to said first end of said second web to form a first seam;
coupling said overhanging second end of said second web to said end of said first web to form a second seam.
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