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Class Information
Number: 405/142
Name: Hydraulic and earth engineering > Underground passageway, e.g., tunnel > Boring > Shield > With transverse force application feature
Description: Method or apparatus wherein the shield is urged into contact with the walls of the corridor surrounding the shield.










Patents under this class:

Patent Number Title Of Patent Date Issued
7651170 Bore head for microbore operation Jan. 26, 2010
7510025 Boring machine Mar. 31, 2009
6206478 Tunnel excavator with crawler drive and roof support bearing frames Mar. 27, 2001
5931601 Tunnel excavator Aug. 3, 1999
5915790 Tunnel boring machine Jun. 29, 1999
5527099 Tunnel boring machine anchor shoe structure and process of operating a tunnel boring machine having such anchor shoe structure Jun. 18, 1996
5284404 Moving steel form system Feb. 8, 1994
5221160 Subterranean connecting method for construction of shield tunnel and connecting apparatus therefor Jun. 22, 1993
5205613 Tunnel boring machine with continuous forward propulsion Apr. 27, 1993
5199818 Method and apparatus for detecting collapse of natural ground in shield driving method Apr. 6, 1993
5169264 Propulsion process of buried pipe Dec. 8, 1992
5104262 Tunnel boring machine Apr. 14, 1992
5104261 Tunnel boring machine Apr. 14, 1992
5090844 Plant for digging and shoring up the walls of tunnels during excavation Feb. 25, 1992
5078545 Method for boring hole in the ground and apparatus therefor Jan. 7, 1992
5051033 Bracing device for a self-advancing shield tunnelling machine Sep. 24, 1991
4936709 Method and apparatus for laying pipes in the ground with advance of propulsion shafts installed with pipe-supporting attachments Jun. 26, 1990
4915453 Floating shoe tunnel boring machine and boring process Apr. 10, 1990
4874267 Tunnel boring machine Oct. 17, 1989
4830539 Pipe propelling apparatus May. 16, 1989
4808030 Shield tunneling method and assembling and disassembling apparatus for use in practicing the method Feb. 28, 1989
4696600 Method and apparatus for modifying the cross-sectional profile of an adit, tunnel or the like Sep. 29, 1987
4682914 Hydraulic trench support Jul. 28, 1987
4453863 Trench shoring device Jun. 12, 1984
4302126 Manhole cover support ring Nov. 24, 1981
4289356 Shield assemblies for installation in under-ground roadways and rock excavating machines including such shield assemblies Sep. 15, 1981
4270876 Method of lining a vertical mine shaft with concrete Jun. 2, 1981
4259030 Ground anchor Mar. 31, 1981
4252463 Tunnel driving apparatus Feb. 24, 1981
4178111 Apparatus for the excavation of subterranean tunnels Dec. 11, 1979
4140345 Tunnel-excavating machine with shield formed of segments Feb. 20, 1979
4122683 Tunnel drive shield Oct. 31, 1978
4095436 Method of, and apparatus for, controlling the advance of a tunnel drive shield Jun. 20, 1978
4073153 Drive shields for tunnelling Feb. 14, 1978
3950956 Driving of tunnels Apr. 20, 1976











 
 
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