发明名称 |
Variable depth core sampler |
摘要 |
A variable depth core sampler apparatus comprising a first circular hole saw member, having longitudinal sections that collapses to form a point and capture a sample, and a second circular hole saw member residing inside said first hole saw member to support the longitudinal sections of said first hole saw member and prevent them from collapsing to form a point. The second hole saw member may be raised and lowered inside said first hole saw member.
|
申请公布号 |
US5492021(A) |
申请公布日期 |
1996.02.20 |
申请号 |
US19940312740 |
申请日期 |
1994.09.27 |
申请人 |
THE UNITED STATES OF AMERICA AS REPRESENTED BY THE UNITED STATES DEPARTMENT OF ENERGY |
发明人 |
BOURGEOIS, PETER M.;REGER, ROBERT J. |
分类号 |
E02D1/04;G01N1/08;(IPC1-7):G01N1/04 |
主分类号 |
E02D1/04 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|