发明名称 |
DEVICE FOR GENERATING SHEARING SOUND WAVE IN GROUND |
摘要 |
The improved device for generating acoustic shear waves in the earth comprises a target member adapted to be coupled with the earth and provided with two lateral striking surfaces on which impinges a hammer pivotably mounted on a platform; the target member is connected through damping means to a cage supporting the platform, the hammer and its actuation means, said cage being displaceable with respect to the frame of a carrying vehicle between a position of contact with the earth of the target member and a lifted position thereof, the striking surfaces being inner walls of the target member. |
申请公布号 |
JPS5938676(A) |
申请公布日期 |
1984.03.02 |
申请号 |
JP19830131788 |
申请日期 |
1983.07.19 |
申请人 |
INST FR DU PETROLE DES CARBURANTS ET LUBRIFIANTS |
发明人 |
PIEERUUKUROODO REOTSUTO;JIYATSUKU SHIYORE;PIEERU GURORE;ROORAN YUIN |
分类号 |
G01V1/02;G01V1/053;G01V1/147 |
主分类号 |
G01V1/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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