Metal sealing threaded (tube-o) fitting
US11519529B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 31, 2017 |
| Grant date | Dec 6, 2022 |
| Priority date | — |
| Expiry date | Dec 30, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L19/0286
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A flow control device for conveying a fluid therethrough includes a port having an engaging end configured for engagement with a tube fitting and an inner surface defining a passageway configured to provide fluid communication through the flow control device. A shoulder is formed on the inner surface of the port adjacent the engaging end. The shoulder defines a first seating surface and a second seating surface. A protuberance is formed on one of the first seating surface and the second seating surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.