Lysimeter probe which may be inserted into the ground

Details Lysimeter probe which may be inserted into the ground Lysimeter probe which may be inserted into the ground

1989-08-21

1991-03-19

Noland, Tom

Measuring and testing

Sampler, sample handling, etc.

With constituent separation

73 73, 7386474, G01N 110, G01N 3324

Patent

active

050000519

ABSTRACT:
A lysimeter probe which may be inserted into the ground is provided with a tubular basic body (1) and a tubular body (4), the latter of which is made of a porous material. It has a connecting sleeve (10) for the application of a negative pressure to the interior space (5) of the tubular basic body (1) and the porous tubular body (4). The basic body (1) is implemented in two pieces and includes on both parts (2, 3) detachable means of connection (14, 15) between which the porous tubular body (4), which is implemented in the way of a pipe-section, is arranged between the two parts (2, 3) of the basic body (1), which are turned towards each other, in a way it may be clamped relieved from pressure.

REFERENCES:
patent: 3374664 (1968-03-01), Lefelhocz et al.
patent: 3830106 (1974-08-01), Gardiner et al.
patent: 3835710 (1974-09-01), Pogorski
patent: 4261203 (1981-04-01), Snyder
patent: 4332172 (1982-06-01), Torstensson
patent: 4408481 (1983-10-01), Sidey
patent: 4692287 (1987-09-01), Timmons
patent: 4804050 (1989-02-01), Kerfoot
patent: 4923333 (1990-05-01), Timmons

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