Handle for underdrain
US9017554B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 29, 2011 |
| Grant date | Apr 28, 2015 |
| Priority date | — |
| Expiry date | Nov 24, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49799
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An underdrain block including a top wall, a bottom wall, and a pair of sidewalls defining a hollow interior and having a longitudinal axis, wherein the sidewalls, top wall, or both comprise at least one external detail. A handle is detachably connected to the external detail for transportation and positioning of said underdrain block. The external detail may comprise one of a protrusion or a receptacle for receiving a protrusion and the handle may include the other of a protrusion or a receptacle for receiving a protrusion. Also, a method of installing an underdrain block lateral comprising at least one underdrain block including the steps of attaching a handle to external details on the underdrain block, lifting the underdrain block lateral by the handle, positioning the underdrain block lateral into the underdrain system, and detaching the handle from the external details of the underdrain block.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.