Title:
SHIELD FOR CONSTRUCTING TUNNELS
United States Patent 3472036
Inventors:
Khodosh, Vladimir Alexandrovich
Ivanov, Valentin Alexandrovich
Salov, Sergei Fedorovich
Mozhaev, Arkady Ivanovich
Vasilenko, Evstafy Andreevich
Abdulragimov, Aliovsad Ibragim
Vlasov, Sergei Nikolaevich
Saveliev, Leonid Ivanovich
Bolotin, Evgeny Moiseevich
Khaidurov, Leonid Konstantinovi
Publication Date:
10/14/1969
Export Citation:
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Assignee:
Izvskatelsky I, Metrogiprot G. P.
Primary Class:
405/141
Other Classes:
299/33
International Classes:
E21D9/06; E21D9/06; (IPC1-7): E01G5/16; E01G5/08; E21D23/00
View Patent Images:
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US Patent References:
1355290Tunnel construction
Foreign References:
GB443158A




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