| 摘要 |
PURPOSE: An easily bendable piping wire brush is provided to be able to be inserted into a small, narrow and long drainpipe to the deep while freely rotating, and therefore, to be able to easily break through the drainpipe blocked due to foreign substances. CONSTITUTION: An easily bendable piping wire brush has brush wires (12) arranged between two strains of screw iron cores (11) neatly and densely so as not to be rumpled. The brush wires arranged between two strains of screw iron cores neatly and densely are combined to a close rotary unit (11a) between two strains of screw iron cores in a screw shape. Synthetic resin coating (22) with a good flexibility and a high and low temperature resistance is formed on the external surface of a cover wire. The brush wires are combined by a compressed fixing groove which is formed by removing a part of the coating of the opposite front end to a handle of the cover wire, closely adhering to the rear part of the screw iron cores, covering with a metal fixing clip (30) and forming with pressure. |
