Nozzle-system for a dispenser for fluids consisting of a nozzle and a nozzle-holder and/or screw cap
AssigneeBoehringer Ingelheim International GmbH
InventorsHeinrich Kladders, Herbert Wachtel
Life of this patent
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Abstract
The invention relates to a nozzle system for a delivery device for liquids, which comprises a nozzle and a device which fixes the nozzle in the delivery device. The device has a liquid reservoir from which a liquid is forced through a nozzle under pressure to deliver the liquid. The nozzle is secured by a holder on the delivery device. This holder may itself be secured by a second holder, e.g. in the form of a check nut, or the check nut itself may be the holder. According to the invention at least part of the outer surface of the holding device is micro- or nanostructured.
Claims20
A nozzle for a delivery device for fluids comprising an inlet side and an outlet side wherein the outer surface of the outlet side is produced by microtechnology or nanotechnology.
A nozzle system for a device for delivering fluids, comprising a nozzle and a nozzle holder and/or a check nut with an end face which comprises a through-bore or hole and the inside of which is in contact with the fluid outlet side of the nozzle, one or more nozzle openings being located in or below the bore and/or a check nut, the end face of which has a through-bore or hole and which is in contact with the nozzle holder on its end face or with the nozzle on its fluid outlet side, characterised in that at least one of the following surfaces is produced by microtechnology or nanotechnology:
- the outer surface of the fluid outlet side of the nozzle,
- the outer surface of the end face of the nozzle holder,
- the side wall of the bore or hole of the nozzle holder,
- the outer surface of the end face of the check nut, or
- the side wall of the bore or hole of the check nut.
Dependencies are inferred from the claim text.