Measuring and testing – Sampler – sample handling – etc. – Capture device
Patent
1994-09-27
1996-02-20
Raevis, Robert
Measuring and testing
Sampler, sample handling, etc.
Capture device
83919, G01N 104
Patent
active
054920213
ABSTRACT:
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.
REFERENCES:
patent: 4779689 (1988-10-01), Paxton, III
patent: 4785826 (1988-11-01), Ward
patent: 4946000 (1990-08-01), Gibson et al.
Bourgeois Peter M.
Reger Robert J.
Glenn Hugh
Harney Tim
Moser William R.
Raevis Robert
The United States of America as represented by the United States
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