Soil-excavating apparatus
US6484422B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 22, 2001 |
| Grant date | Nov 26, 2002 |
| Priority date | — |
| Expiry date | Jun 22, 2021 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F3/9293
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A soil excavating apparatus for use in combination with a cleaning/vacuuming machine having at least one high pressure fluid supply in the vacuum line. A soil excavating apparatus is disclosed for use in combination with a cleaning/vacuuming machine having at least one high pressure fluid supply in the vacuum line. The apparatus includes a spray head secured to the vacuum line first end, and disposed substantially thereabout. The spray head is in fluid communication with the pressurized fluid supply. A plurality of inboard spray nozzles are disposed substantially thereabout. The spray head is in fluid communication with the pressurized fluid supply. A plurality of inboard spray nozzles are removably secured to the spray head and extend therefrom. The spray nozzles are angularly oriented to direct the pressurized fluid towards a center line of the vacuum line.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.