Apparatus for collecting samples from ground-holes

E - Fixed Constructions – 21 – B

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166/5, 190/54

E21B 49/08 (2006.01) G01N 1/12 (2006.01)

Patent

CA 2029017

- 25 - Abstract of the Disclosure Title: APPARATUS FOR COLLECTING SAMPLES FROM GROUND-HOLES The down-hole sampler comprises a reservoir, with screw-down type valves top and bottom. The valves are arranged with the axes of the screw threads vertical. The valve members are integral with the structure of the sampler, whereby even with the valves screwed open, the sampler and the valves remain structurally intact. The sampler has a very slim overall diameter (down to 6mm) and yet the valves are easy to operate, and sturdy and reliable in operation. The sampler includes a surface-operated check-valve for admitting a water sample into the reservoir. (Flg 1) 194-01

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