The disclosure relates to a trawl door (2) comprising a plurality of hydrofoils (9), one or more shutters (20) extending in the longitudinal direction of the plurality of hydrofoils, and drive means (21) for rotating the shutters about a pivoting axis, wherein the drive means are arranged to rotate the shutters between a disengaged position and an engaged position. The disclosure further relates to the use of a set of trawl doors and a round-shaped elongated element for a trawl door.
A TRAWL DOOR
SCHERBRETT
PORTE DE CHALUT
2022-10-05
Patent
Elektronische Ressource
Englisch