Closure for a product-retaining container
US10414550B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 7, 2014 |
| Grant date | Sep 17, 2019 |
| Priority date | — |
| Expiry date | Dec 2, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2539/003
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The disclosure relates to a synthetic closure for a product-retaining container constructed for being inserted and securely retained in a portal-forming neck of said container, said closure comprising at least a core member comprising at least one thermoplastic polymer, and at least one peripheral layer at least partially surrounding and intimately bonded to at least one surface of the core member, said peripheral layer comprising at least one thermoplastic polymer, wherein the synthetic closure is formed by extrusion, and at least one of the core member and the peripheral layer comprises a plurality of cells, and wherein the synthetic closure comprises cork powder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.