UNDISTURBED CORE SAMPLER
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United States of America Patent
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N/A
Issued Date -
Oct 18, 2012
app pub date -
Apr 13, 2012
filing date -
Apr 14, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A core sampler that complies with European Standard BS EN ISO 22457-1 and takes Class 1 samples, while being able to withstand forces associated with sonic drilling. The core sampler includes a smaller diameter, thin-walled sampler shoe portion that transitions to a larger diameter, thick-walled tube at a specific distance along the longitudinal axis of the core sampler. The smaller diameter shoe portion allows for an undisturbed sample, while the larger diameter tube imparts sufficient strength to the core sampler such that the core sampler can handle forces associated with sonic drilling techniques. Optionally, the larger diameter tube can provide the thickness needed for a liner.
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