Method of producing an ultrasonically bonded lap seam
US7374627B2 · kind B2 · utility
26Cited by
281References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 7, 2005 |
| Grant date | May 20, 2008 |
| Priority date | — |
| Expiry date | Apr 19, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1034
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method of forming a lap seam for a disposable undergarment is disclosed. The method involves the steps of providing a continuous web of material, folding the material, cutting the material into individual undergarment blanks, folding the edges of the individual blanks, and sealing the edges. The method preferably employs undergarment blanks that are asymmetrical in shape.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.