Patent · US Expired

Method and apparatus for subsequent underground sealing

US4697953A · kind A · utility

19Cited by

11References

33Claims

0Family size

Assignee

Ed. Zublin Aktiengesellschaft · DE

Inventors

Manfred Nussbaumer · Leonberg, DE
Eberhard Glaser · Esslingen am Neckar, DE
Eberhard Beitinger · Stuttgart, DE
Hartmann Eckardt · Gräfenberg, DE

Key dates

Filing date	Feb 28, 1985
Grant date	Oct 6, 1987
Priority date	—
Expiry date	Feb 28, 2005

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE02D31/006
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A method and apparatus for the subsequent underground sealing of an area, preferably of dumps. With the method, it is possible to seal dumps underground. Working pipes are introduced from a region outside a dump body. The region of soil between the working pipes is loosened, and sealing material is then introduced into this region, which solidifies to become a sheet-like sealing compound. With this method, in particular existing dump bodies can be sealed subsequently underground, without having to drill through the dump body. The apparatus for carrying out the method has a loosening device, and a feed device for the sealing material. The two devices are able to move in the region between two adjacent working pipes.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.