Staggered cutting knife
US7861756B2 · kind B2 · utility
101Cited by
374References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 8, 2007 |
| Grant date | Jan 4, 2011 |
| Priority date | — |
| Expiry date | Oct 17, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1361
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method and apparatus for producing disposable undergarments having areas of defined elastic material is disclosed. The method provides for staggered cutting knives for severing the elastic material, which results in less necessary material used in the construction of the undergarments.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.