Closure system with barrier layer
US12263997B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 14, 2022 |
| Grant date | Apr 1, 2025 |
| Priority date | — |
| Expiry date | Mar 14, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2575/586
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A closure system including a cap and a spout, where the cap and/or spout contain at least one discrete layer of barrier material. In one example, the spout includes a conduit and a seal member, the conduit being arranged about an imaginary axis and the seal member having one or more surfaces configured to be secured to a container. The cap includes an inner circumferential surface, the inner circumferential surface arranged to encompass the conduit. The cap also includes a first discrete layer of thermoplastic resin and a first discrete layer of barrier material and the seal member includes a second discrete layer of thermoplastic resin and a second discrete layer of barrier material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.