Title:
【発明の名称】地層の強化およびシール方法
Document Type and Number:
Japanese Patent JPH01501944
Kind Code:
A
Abstract:
The present invention is directed to a process for strengthening and sealing geological formations which are moist or contain water, in particular loose stone, by the injection of a mixture which reacts to form polyurethane, characterized in that a polyisocyanate component is injected before injection of the reaction mixture.
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Inventors:
Man, Max
Cups, manfrets
Mayel, Frank
Mesh, Hans
Cornellie, Wolfgang
Middle, Bernhard
Stein, Dietrich
Gerdes, Knut
Cups, manfrets
Mayel, Frank
Mesh, Hans
Cornellie, Wolfgang
Middle, Bernhard
Stein, Dietrich
Gerdes, Knut
Application Number:
JP50219587A
Publication Date:
July 06, 1989
Filing Date:
March 31, 1987
Export Citation:
Assignee:
Bergberg Felbant Gesellschaft Mitt Beschlenktel Haftung
Bayer Akchen Gesell Shaft
Bayer Akchen Gesell Shaft
International Classes:
C09K8/502; C09K17/00; C09K8/508; C09K17/30; E21B33/138; E21D11/00; E21D11/38; E21D20/00; (IPC1-7): C09K17/00
Attorney, Agent or Firm:
Aoyama Ryo (1 person outside)