Highly reliable service port
US11525520B2 · kind B2 · utility
0Cited by
10References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 18, 2013 |
| Grant date | Dec 13, 2022 |
| Priority date | — |
| Expiry date | Dec 18, 2033 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/128
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A port for use in introducing a fluid into an internal fluid chamber includes a plug bore, a valve disposed in the plug bore and a plug. The plug includes one or more seal grooves and a ring seal in each of the one or more seal grooves. The ring seal creates a seal between the plug and the plug bore. The port further includes a positive stop barrier that prevents the plug from being removed from the plug bore.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.