Ball valve
US4911409A · kind A · utility
7Cited by
3References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 10, 1989 |
| Grant date | Mar 27, 1990 |
| Priority date | — |
| Expiry date | Jul 10, 2009 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K5/0642
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
There is disclosed a ball valve which includes a ball closure rotatably mounted within a cavity formed in a main portion of the valve body and spring pressed against a seat ring on one side of the ball closure, and an end portion of the valve body which is removably connected to the main portion to close an opening from the end of the cavity through which the ball closure, seat ring and spring may be removed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.