Cap assembly
US11529641B2 · kind B2 · utility
0Cited by
22References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2018 |
| Grant date | Dec 20, 2022 |
| Priority date | — |
| Expiry date | Dec 20, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF17C1/00
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A cap assembly for closing an opening in a vessel may include a stopper and a rigid cap adapted to fit over the stopper and onto a vessel. The stopper may include a polymer body adapted to fit an opening of the vessel and a tubular portion defining an internal passageway extending through the polymer body. The rigid cap may include a pressure based locking mechanism adapted to engage the vessel under a unidirectional force and a tamper evident feature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.