Process for producing absorbent core structures
US7744713B2 · kind B2 · utility
44Cited by
23References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 28, 2005 |
| Grant date | Jun 29, 2010 |
| Priority date | — |
| Expiry date | Jun 23, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1025
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present invention is method for forming a sandwich structure having a pattern of particulate material enveloped between a carrier material and a cover material. The method allows accurate forming of pre-determined pattern at high production speed. Such a method is particularly useful in the manufacture of disposable absorbent articles, such as baby diapers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.