| 摘要 |
PURPOSE: A rope for a fishing net reduces the production costs, and its endurance is improved, the operation processes are simplified, and the rope can sink to the bottom of the surface as quickly as possible. CONSTITUTION: A rope for a fishing net comprises a wire(10) formed with a long line; a first layer unit (20) which covers the periphery of the wire with a constant thickness and is made up of lead; and a second layer unit (30) which covers the periphery of the first layer unit with a constant thickness and is made up of urethane. |
