E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 49/02 (2006.01) E02D 1/04 (2006.01) E21B 25/00 (2006.01) E21B 49/06 (2006.01)
Patent
CA 2272476
A soil sampling apparatus and method of soil sampling. The soil sampling apparatus has several soil sampling compartments, each of which has a closure with an open position and a closed position. Upon rotation in one direction, a second edge of the closure engages a borehole to move the closure to the closed position. Upon rotation in another direction, the second edge of the closure engages the borehole to move the closure to the open position and scrape cuttings into the compartment.
French Robert Dale
Jackson Neil Russell
French Robert Dale
Jackson Neil Russell
Thompson Lambert Llp
LandOfFree
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