ANORDNING VED SPRAYBEHOLDERE
The nebuliser has a hand-operable valve mechanism (11, 12), consisting of a seal (11) which is placed against a membrane (12) in the neutral position, as well as a hood (17). The pressure occurring when the hood is fitted onto the nebuliser head (8) is passed through the spray nozzle (9) and a duct...
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Zusammenfassung: | The nebuliser has a hand-operable valve mechanism (11, 12), consisting of a seal (11) which is placed against a membrane (12) in the neutral position, as well as a hood (17). The pressure occurring when the hood is fitted onto the nebuliser head (8) is passed through the spray nozzle (9) and a duct (14) up to the seal (11), raises the latter and thus passes into the interior of the container (1), whereupon the seal (11) immediately closes again. It is only raised again when the nozzle (9) is pressed down after removal of the hood (17) and, in doing so, pushes the tubular section (10) connected to the seal (11) downwards. The pressure in the container (1) can then propel the liquid (2) into a tube (7) and through the latter to the spray nozzle (9) where it is nebulised. In this way, with only one pumping movement a nebulisation is obtained which is maintained until the pressure in the container (1) is reduced. |
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