There is provided a spreading device (100) for trawl fishing and seismic survey operations. The device has an upper frame (111), an intermediate frame (113) and a lower frame (112). There are at least two upper panels (22, 23) between the upper and intermediate frames, and at least two lower panels (22, 23) between the intermediate and lower frames. One of the upper panels and one of the lower panels adjustable in its angle of attack with respect to other panels. There is provided a manual means for adjusting the angle of attack of the adjustable panels.
Spreading Device
2021-10-21
Patent
Electronic Resource
English