Viscous sludge sample collector

Details Viscous sludge sample collector Viscous sludge sample collector

1981-08-11

1983-03-15

Swisher, S. Clement

Measuring and testing

Sampler, sample handling, etc.

Capture device

G01N 108

Patent

active

043763928

ABSTRACT:
A vertical core sample collection system for viscous sludge. A sample tube's upper end has a flange and is attached to a piston. The tube and piston are located in the upper end of a bore in a housing. The bore's lower end leads outside the housing and has an inwardly extending rim. Compressed gas, from a storage cylinder, is quickly introduced into the bore's upper end to rapidly accelerate the piston and tube down the bore. The lower end of the tube has a high sludge entering velocity to obtain a full-length sludge sample without disturbing strata detail. The tube's downward motion is stopped when its upper end flange impacts against the bore's lower end inwardly extending rim.

REFERENCES:
patent: 3412814 (1968-11-01), Rosfelder
Piggot, C. S., Bulletin of the Geological Society of America, vol. 47, May 31, 1936, pp. 675-684.
Design News, 3/9/81, p. 22.
Andresen, A. et al, Proc. 6th Internat. Conf. Soil Mech., 1965.
Mackerath, F. J. H., Liminologn and Oceanography, vol. 3, 1958, pp. 181-191.

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