Apparatus for exclusion of debris from bottom trawls

Details Apparatus for exclusion of debris from bottom trawls Apparatus for exclusion of debris from bottom trawls

1988-01-14

1989-09-26

Godici, Nicholas P.

Fishing, trapping, and vermin destroying

Fishing

Nets

A01K 7302

Patent

active

048690104

ABSTRACT:
A inverted debris exclusion device, inserted in a trawl body of a shrimp trawl net immediately before the cod end, permits the ready release of trapped bottom debris and excludes fish from the cod end. The device is an array of angled, spaced bars, oriented in the direction of trawl flow and affixed to the trawl net, supporting the trawl net through a net entry hoop. An arcuate hinged bottom opening escape door is attached to the excluder at hinge points intermediate the top and the bottom of the net hoop; the door when closed provides a continuous net section preventing the escape of shrimp, yet is readily opened by the weight and force of debris and fish, as these naturally descend the array of excluder bars.

REFERENCES:
patent: 3440752 (1969-04-01), Minter
patent: 3821861 (1974-07-01), Jalbert
patent: 4351127 (1982-09-01), Mitchell

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