Sprinkler head and riser protector
US6543704B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Feb 12, 2001 |
| Grant date | Apr 8, 2003 |
| Priority date | — |
| Expiry date | Feb 12, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B15/16
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A protecter for a riser connected to an underground water pipe and sprinkler head attached at a top portion thereof includes an elongate hollow body member having an upper portion with an upper opening and a lower portion with a lower opening, each opening being defined by a rim on respective upper and lower portion. The body defines an interior space for housing a riser and sprinkler head therein and has a lower portion including a pair of slots formed therein for fitting the body over an underground water pipe, and an upper portion further including a concave hood member extending laterally outwardly and downwardly of the rim of the upper opening and defining a cavity. The hood member has a lower edge portion for engaging a ground surface to limit downward travel of the protecter. The slots have an open lower portion and an arcuate upper portion for engaging the upper surface of an underground water pipe. The protecter also includes a plurality of spaced flanges extending beneath the hood member and engaged with the body to inhibit rotative motion of the hood member by positioning the flanges into a ground surface. The lower edge portion is located in a plane beneath an undergrou…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.