Sprinkler canister seal
US8857729B2 · kind B2 · utility
1Cited by
28References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 20, 2011 |
| Grant date | Oct 14, 2014 |
| Priority date | — |
| Expiry date | Nov 10, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/0441
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An irrigation sprinkler canister seal comprising a flanged screw having a threaded rod and a circular flange extending perpendicular to the rod. The seal further includes a plug piece having a threaded bore adapted to receive the threaded rod, and further including a continuous frusto-conical surface extending around an elongate axis of the plug piece, the frusto-conical surface being configured to form a circumferentially continuous fluid seal against a cylindrical rim of a cylindrical bore.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.