Barrier spout
US10988296B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 2, 2019 |
| Grant date | Apr 27, 2021 |
| Priority date | — |
| Expiry date | Dec 2, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2575/58
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A barrier spout is comprised of a straw and a sealboat. The straw comprises a body having a first straw portion and a second straw portion, with an upper opening of the straw at a first end of the first straw portion and a lower opening of the straw at a second end of the second straw portion, the first straw portion and the second straw portion meeting at a second end of the first straw portion and a first end of the second straw portion. The straw is comprised of a barrier material to minimize at least one of oxygen and vapor transmission through the barrier material. The sealboat comprises a sealing material, the sealboat contacting an inner surface of the sealboat forming a liquid seal between the straw and the sealboat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.