Patent · US Expired

Process and apparatus for reinforcing a predeterminable area in the ground

US4786212A · kind A · utility

19Cited by

11References

15Claims

0Family size

Assignee

Karl Bauer Spezialtiefbau GmbH & Co, KG · DE

Inventors

Karlheinz Bauer · Eßlingen, DE
Manfred Stocker · Bergrheinfeld, DE
Franz Abt · Schemmerhofen, DE

Key dates

Filing date	Apr 7, 1987
Grant date	Nov 22, 1988
Priority date	—
Expiry date	Apr 7, 2007

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE02D3/12
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

Process and apparatus for consolidating, sealing and stabilizing a predeterminable area in the ground, particularly for making foundations, underpinnings or seals in a building site, by injecting at least one hardening liquid material in a high energy liquid jet into the ground, accompanied by the simultaneous injection of a gaseous material, characterized in that for the injection of the gaseous material, at least one discrete gas jet is formed and injected separately from the liquid jet and is located in the vicinity of the exit port of the liquid jet and guided at a distance from the liquid jet.

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