Method for making a stem web
US6962635B2 · kind B2 · utility
12Cited by
34References
40Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 29, 2001 |
| Grant date | Nov 8, 2005 |
| Priority date | — |
| Expiry date | Mar 29, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24802
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Method for making a stem web material having a plurality of stems extending from discrete regions (patches or stripes) of the web, comprising: The stems can be formed by pressing the web on which the patches or stripes of polymer are deposited against a tool having a surface with a plurality of stem-forming holes. The stems can be given enlarged ends by bringing the surface of the stem web close to a heated surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.