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EP 0410304 B1 19951011 - Device for injecting a suspension.

Title (en)

Device for injecting a suspension.

Title (de)

Vorrichtung zum Einbringen von Suspension.

Title (fr)

Dispositif pour l'injection de suspension.

Publication

EP 0410304 B1 19951011 (DE)

Application

EP 90113846 A 19900719

Priority

DE 3925097 A 19890728

Abstract (en)

[origin: EP0410304A2] Method of producing bores and/or of injecting a suspension, in particular cement suspension, into a borehole, in which the base opening of the borehole is sealed off from the boring or injection column, and returning material is discharged in a pressure- or volume-controllable manner from a return line connected to the borehole. <IMAGE>

IPC 1-7

E21F 17/00; E21D 20/02

IPC 8 full level

E21D 9/00 (2006.01)

CPC (source: EP)

E21D 9/001 (2013.01)

Designated contracting state (EPC)

AT BE CH GB IT LI NL

DOCDB simple family (publication)

EP 0410304 A2 19910130; EP 0410304 A3 19920408; EP 0410304 B1 19951011; AT E129047 T1 19951015; DD 295693 A5 19911107; DE 3925097 C1 19910131

DOCDB simple family (application)

EP 90113846 A 19900719; AT 90113846 T 19900719; DD 34303090 A 19900724; DE 3925097 A 19890728