| 摘要 |
PROBLEM TO BE SOLVED: To provide a coupling for reducing the number of part items, allowable without increasing an installation dimension, and capable of adjusting and fixing an installation angle of a paint vessel installed in a spray gun in a single operation by rotatably constituting the general purpose tube coupling composed of a taper sheet and a box nut, particularly, by simplifying its constitution. SOLUTION: A lubricatable packing material is interposed in a taper sheet part for constituting this tube coupling. Rotation is allowed by preventing biting-in of the sheet in the taper part at fastening time. Looseness of the box nut is prevented by also arranging packing on the box nut side. COPYRIGHT: (C)2004,JPO
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