Fastening tape and mechanical fastener including microporous film
US10709619B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 12, 2014 |
| Grant date | Jul 14, 2020 |
| Priority date | — |
| Expiry date | Oct 11, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09J2483/005
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A fastening tape, mechanical fastener, methods of making them, and personal hygiene articles including them are disclosed. The fastening tape includes a tape backing having a fastening portion, an adhesive disposed on the fastening portion, and a release surface for the adhesive. The release surface is a either a release tape attached along one of its edges to the tape backing or a release coating disposed on at least a portion of a surface of the tape backing. At least one of the tape backing or the release surface comprises a microporous film having an opaque, microporous region and at least one see-through region of lower porosity within the opaque, microporous region. The mechanical fastener includes such a microporous film and mechanical fastening elements on at least one surface. The at least one see-through region extends through the thickness of the microporous film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.