Material laminate for use as a covering sheet in an absorbent article
US6916969B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 3, 2000 |
| Grant date | Jul 12, 2005 |
| Priority date | — |
| Expiry date | Jun 29, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2013/51182
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention relates to a material laminate for use as a covering sheet on absorbent articles such as sanitary napkins, incontinence protectors, diapers, pant diapers, or the like. The material laminate comprises a first, fluid pervious fibrous material layer and a second fluid pervious porous material layer, wherein at least one of the two material layers comprises thermoplastic material and wherein the two material layers are mutually connected by means of the covering material laminate exhibiting bond sites within which the thermoplastic material has been caused to at least partially soften or melt and thereby bond the two material layers together. In the planar extension, the material laminate exhibits two side portions extending in the length direction and having an extension in the width direction from a respective longitudinal side edge and a distance in towards the longitudinal central axis of the material laminate and a central portion positioned between the side portions in the planar extension of the material laminate, wherein the first material layer and the second material layer in the central portion of the material laminate are intermittently bonded together with a …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.