Hydraulic and earth engineering – Earth treatment or control – Chemical
Patent
1983-11-04
1985-02-26
Corbin, David H.
Hydraulic and earth engineering
Earth treatment or control
Chemical
E21D 2002
Patent
active
045015163
ABSTRACT:
By using a packer which is pushed as far over an anchor as the intended length of the moulding, the cavity in a borehole in the region of the bond can be completely filled with a reactive resin. Overhead work is possible even with slowly reacting resins. By using a catalyst on the packer, the reactive resin injected into the borehole behind the packer can be made to harden very rapidly.
REFERENCES:
patent: 2930199 (1960-03-01), Jarund
patent: 3306051 (1967-02-01), Howlett
patent: 3494134 (1970-02-01), Jorge
Born Eberhard
Faltin Jurgen
Kotulla Bernhard
Preis Lothar
Schmidt Rudolf
Bayer Aktiengesellschaft
Corbin David H.
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