Dosing device

B - Operations – Transporting – 05 – B

Patent

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Details

B05B 11/00 (2006.01)

Patent

CA 2579361

The invention relates to a dosing device for at least one medium comprising a pump device, which is actively connected to a medium reservoir for discharging a medium, and comprising a venting device assigned to said medium reservoir. According to the invention, the venting device comprises a capillary channel, which forms a venting path between the medium reservoir and the surrounding area and whose channel length is larger by a multiple than its effective channel diameter. The inventive dosing device is provided for pharmaceutical or cosmetic purposes.

La présente invention concerne un dispositif de dosage destiné à au moins une substance, comprenant: un système de pompage qui est en liaison active avec un réservoir de substance pour permettre la sortie de substance; et un système d'aération associé au réservoir de substance. Selon l'invention, le système d'aération présente un canal capillaire qui forme une trajectoire d'aération entre le réservoir de substance et l'environnement extérieur, et dont la longueur est un multiple supérieur à 1 de son diamètre de canal réel. Le dispositif de l'invention peut être utilisé pour des applications pharmaceutiques et cosmétiques.

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