| 摘要 |
A tool for creating grooves or cut-away portions in the inwardly extending corrugations of a flexible corrugated hose in order to eliminate noises created by movements of fluids, such as air, through the interior passage of the hose. The tool is a generally cylindrical member having outwardly extending fins extending at an angle to the longitudinal direction thereof. The tool is placed within the hose and relative movement in an axial or longitudinal direction causes the fins to act as cutting members and create the grooves or cut portions. The movement causes the fins to create an angled pattern of grooves relative to the axial direction.
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