Improvements in trawling gears for sea bottom fishing

摘要

356,081. Trawling-gear. V. D., Ltd., 54, Victoria Street, London. Jan. 12, 1931, No. 999. Convention date. Jan. 13, 1930. Addition to 339,083, [Class 48, Fish &c.]. [Class 48.] In a trawling gear according to the parent Specification the traction cables 11 are attached to the ends of a rigid bar 71 which is mounted on rollers 72. The side curtains are made of interlinked metal rings, and the pocket may be shaped like an otter-trawl, a boeuf, or a V.D. net.