Device for providing columns of material in the ground
US5980161A · kind A · utility
Inventors
Key dates
| Filing date | Feb 26, 1998 |
| Grant date | Nov 9, 1999 |
| Priority date | — |
| Expiry date | Feb 26, 2018 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02D7/14
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Device for production of material columns in the ground, in particular of compact columns or drains, with a apparatus carrier (10), a sled (14) movably guided upon a Makler (12) for manipulation of a conveyor system, comprising at least of a deep jolt ramming machine (16) with forward thrust head and material conveyance conduit, and a cantilever beam (20) held by the Makler (12) with a rope winch (22) for manipulating a container (26), with which material can be charge wise supplied to a charge lock (18), wherein the container (26) is synchronized with and is moveable relative to the sled (14). The material flows from the charge lock (18) through a lock door (21) into the material conveyance conduit (17) and from there finally into the ground (100).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.