Title:
GROUTING METHOD AND APPARATUS THEREFOR
Document Type and Number:
WIPO Patent Application WO2003044282
Kind Code:
A3
Abstract:
A grouting apparatus comprises a perforated tube assembly (4) insertable into earth and a grout injection feed system receivable in a cavity of the perforated tube assembly, the grout feed system comprising a grout injection head (12) connected to an expansible conduit (11) for feeding grout to the injection head, whereby the expansible conduit is adapted to expand sufficiently within the perforated tube assembly to block the cavity of the tube assembly above the grout injection head at a grout injection pressure.
Inventors:
BEHROUZ KHOSROW (CH)
Application Number:
PCT/IB2002/004583
Publication Date:
October 09, 2003
Filing Date:
November 01, 2002
Export Citation:
Assignee:
NOFAN SARL (CH)
BEHROUZ KHOSROW (CH)
BEHROUZ KHOSROW (CH)
International Classes:
E02D3/12; (IPC1-7): E02D3/12; E21B33/127
Foreign References:
| JP2001040980A | 2001-02-13 | |||
| FR2585405A2 | 1987-01-30 | |||
| US4302132A | 1981-11-24 |
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