Animal husbandry – Entomological culture device – Egg treatment – production – or storage
Patent
1977-08-19
1979-08-14
Chamblee, Hugh R.
Animal husbandry
Entomological culture device
Egg treatment, production, or storage
119 3, 43 7, A01K 6100, A01K 6904
Patent
active
041641990
ABSTRACT:
The specification discloses a benthic aquatic biotal monitor for monitoring the chronic impact of pollution, such as industrial and municipal wastes, of aquatic environments upon in situ samples of benthos. The monitor includes a base portion including containers for retaining benthic sample and having a horizontal permeable bottom wall and water permeable vertical side walls. A water permeable mesh is attached to and extends above the base portion to form a conical-shaped enclosure decreasing in cross-sectional area from one end to the other end. The larger end of the conical-shaped enclosure is secured to the base portion and opens thereinto. The smaller end of the conical-shaped portion is closed. The conical-shaped enclosure and the base portion include apertures therethrough with dimensions for retaining benthic samples while permitting the free exchange of ambient water between the outside of the conical-shaped enclosure and the inside of the conical-shaped enclosure to monitor the impact of changing aquatic environments on the benthic sample.
REFERENCES:
patent: 721913 (1903-03-01), Palmer
patent: 731398 (1903-06-01), Watson
patent: 1223851 (1917-04-01), Carter
patent: 1903276 (1933-03-01), Yanga
patent: 2163973 (1939-06-01), Benca et al.
patent: 2921397 (1960-01-01), Luthi
patent: 3337982 (1967-08-01), Sajulan
patent: 3795073 (1974-03-01), Olsen
patent: 3821861 (1974-07-01), Jalbert
Chamblee Hugh R.
TerEco Corporation
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