| 摘要 |
An inhalation tube for an aerosol container comprises a tubular body, 1, adapted for detachable fitting to an aerosol container, 6. A delivery mouth-piece, 7, is fitted which is movable between retracted and extracted position. The extraction and retraction of the mouth-piece is brought about by means of a cap, 10, rotatably mounted on the tubular body, which has actuating means, 9, associated therewith. The cap and tubular body have openings of similar dimensions. Rotation of the cap to bring the openings into register causes the actuating means to move the mouth-piece to an extracted position, whilst rotation of the cap to bring the openings out of register causes the actuating means to move the mouth-piece in a retracted, closed-off position wholly with the tubular body. Such an arrangement enables simple functioning of the inhalation tube and ensures that hygienic conditions are provided insofar as the mouth-piece is closed-off when not in use. <IMAGE> |
