trawl for opening and closing ordered, in particular for the selective harvest of the micro - pelagic

摘要

P the present invention relates to a new trawl for opening and closing ordered. / p & & p & this trawl is characterizes in that it comprises, between the thread and the bottom, a description of the closure - opening provided with a first control means, said mechanism holding closed the input of the bottom by leaving open the back of the thread, then, under the action of its control means, which connect the back of the thread with the input of the bottom, and a system of folding - closing provided with a second control means which, under the action of its control means, allows the mouth is folded down towards the rear, and ensures, by a shutter, the closing of the mouth. / p & & p & a harvest selective of the micro - pelagic. / p