System for driving anchors in the ground
US5104264A · kind A · utility
9Cited by
2References
20Claims
0Family size
Inventors
Key dates
| Filing date | Mar 20, 1990 |
| Grant date | Apr 14, 1992 |
| Priority date | — |
| Expiry date | Mar 20, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S173/02
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Apparatus for driving anchors in the ground by gas pressure which includes on a frame to be maintained stationary relative to the ground, a mechanism for firing and combustion of a pyrotechnical composition, and for launching an anchor. The apparatus including an acoustic shield for gas expansion which is slidingly mounted on a recoil ramp so as to balance the impulse transmitted to the anchor by the force of gravity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.