Animal husbandry – Entomological culture device – Egg treatment – production – or storage
Patent
1989-07-19
1991-02-19
Hirsch, Paul J.
Animal husbandry
Entomological culture device
Egg treatment, production, or storage
119 4, A01K 6100
Patent
active
049933620
ABSTRACT:
An artificial fish bed or fish-settling installation submerged in a body water has a flat base made of concrete, several supporting poles erected on the concrete base at regular intervals, and several layers of shelves secured to the poles. The shelves extend horizontally and parallel with one another and are separated vertically by cylindrical members having a predetermined length which are inserted on each pole between layers of shelves. Each shelf is formed by superposing openings formed in a plurality of substantially square frames and a plurality of plates, and assembling same over the supporting poles. An end cap is applied to the top or free end of each of the supporting poles to hold the various elements of the fish bed structure in assembled position. Preferably, the frames and plates are also formed from concrete.
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Hirsch Paul J.
Toppan Printing Co. Ltd.
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