Method for deforming a web
US10143596B2 · kind B2 · utility
2Cited by
1References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 13, 2016 |
| Grant date | Dec 4, 2018 |
| Priority date | — |
| Expiry date | Dec 13, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2555/02
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention is directed to methods for deforming a web comprising the steps of supplying a first layer of a web; weakening the first layer at a plurality of locations to create a plurality of weakened, melt-stabilized locations in the first layer; supplying a second layer of the web onto at least part of the first layer; and forming a plurality of first features in the first layer 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.