Unfilled liquid reservoir, dispenser with such a reservoir, and filling method
OwnerJuergen GREINER-PERTHinventor
Life of this patent
Estimating the term…
Abstract
An unfilled liquid reservoir for use as part of a dispenser for dispensing pharmaceutical or cosmetic liquids, including an outer housing for placing on a dispensing head of the dispenser and a flexible bag arranged within the outer housing for receiving liquid before the dispensing process. The bag has an opening for removing the liquid, and an intermediate region between the outer housing and the bag is connected to a surrounding area by a ventilation opening which passes through a wall of the outer housing. The flexible bag is provided in a stowed storage state in which the inner volume of the bag is maximally 10% of the maximum inner volume of the bag within the outer housing.
Claims10
An unfilled liquid reservoir for use as part of a dispenser for discharging pharmaceutical or cosmetic liquids, comprising
- an outer housing for mounting on a discharging head of the dispenser, and
- a flexible bag which is arranged inside the outer housing and serves to receive liquid before the discharging procedure, said bag having a bag opening for removal of the the liquid,
- wherein
- an intermediate area between the outer housing and the bag is connected to the environment by a ventilation opening that passes through a wall of the outer housing,
- wherein
- the flexible bag is provided in a compact stowage state in which the inner volume of the bag is at most 10% of the maximum inner volume of the bag inside the outer housing.
Dependencies are inferred from the claim text.