Combined plug and sealing ring for sprinkler nozzle and related methods
US8607886B2 · kind B2 · utility
1Cited by
24References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 25, 2011 |
| Grant date | Dec 17, 2013 |
| Priority date | — |
| Expiry date | Jul 4, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/8376
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A combined plug and sealing ring for a sprinkler nozzle includes a nozzle plug having a substantially cylindrical portion adapted to engage within a nozzle orifice of a sprinkler nozzle, and a cap overlaying the substantially cylindrical portion. A sealing ring is adapted to seat onto a threaded pipe fitting portion of the sprinkler nozzle. A leash interconnects the nozzle plug and the sealing ring. A combined plug and sealing ring in combination with a sprinkler nozzle, and a method of installing a sprinkler nozzle in a highly corrosive or extremely corrosive environment are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.