Absorbent product with improved instantaneous liquid adsorption, and improved fit
US6605752B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2001 |
| Grant date | Aug 12, 2003 |
| Priority date | — |
| Expiry date | Jan 19, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F13/536
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An absorbent product which possesses two longitudinal side edges (12,13), two transverse end edges (10,11), a longitudinal centre line and a transverse centre line, and which comprises a liquid-permeable outer layer (2), a liquid-impermeable backing layer (3) and an absorption core (4) which is located between the outer layer (2) and the backing layer (3), with the absorption core (4) comprising a first and a second absorption layer (14,15), with the first absorption layer (14) being arranged behind the liquid-permeable outer layer (2) and the second absorption layer (15) being arranged between the first absorption layer (14) and the liquid-impermeable backing layer (3), with the first absorption layer (14) having two longitudinal channels (16,17), with each of the channels having an outer edge (20) closest to the corresponding longitudinal side edge (12,13) of the product and an inner edge (21) closest to the longitudinal centre line of the product. The two longitudinal channels (16,17) extend through the whole of the thickness of the first absorption layer (14), and a compressed area (22) is arranged between the longitudinal sides (12,13) of the absorbent product, wherein the dis…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.