Process for producing absorbent core structures
US8784594B2 · kind B2 · utility
67Cited by
53References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2012 |
| Grant date | Jul 22, 2014 |
| Priority date | — |
| Expiry date | Dec 21, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24628
- WIPO fieldMedical technology
- WIPO sectorInstruments
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.