Method for deforming a web
US10376421B2 · kind B2 · utility
2Cited by
1References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 13, 2016 |
| Grant date | Aug 13, 2019 |
| Priority date | — |
| Expiry date | Feb 16, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/4878
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention is directed to methods for deforming a web comprising the steps of supplying a precursor web; weakening the precursor web at a plurality of locations to create a plurality of weakened, melt-stabilized locations in precursor web; and forming a plurality of first features and a plurality of second features throughout the first and second layers of the web in the z-direction, wherein the plurality of first and second features are formed simultaneously.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.