Intake/distribution material for personal care products
US6534149B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 9, 2000 |
| Grant date | Mar 18, 2003 |
| Priority date | — |
| Expiry date | Feb 9, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24331
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
There is provided an intake/distribution layer for personal care products which is a co-apertured distribution layer and a transfer delay layer between them. The co-apertured distribution and transfer delay layer can serve to store liquid and release it to an absorbent core in a personal care product at a rate at which the core can absorb. This ability to accept irregular and large flow rates makes the layer of this invention particularly well suited for “gush” management. The distribution layer is preferably an airlaid fabric and the transfer delay layer is preferably a spunbond fabric and they are co-apertured using a pin density of preferably about 2.5 pins/cm2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.