Abstract: A vented protective cap for a liquid dispenser, and a venting insert, in particular for such a protective cap. The protective cap has a cap wall which surrounds a cap interior. The cap wall has a venting aperture which is spanned by a flexible sheet-like structure. A boundary region of the sheet-like structure is fixed in an encircling manner to a boundary of the venting aperture. The sheet-like structure consists of at least two layers which bear directly against one another but, at least in a central region of the sheet-like structure, are not connected fixedly to one another.

Abstract: Liquid dispenser for discharging pharmaceutical liquid having a discharge head and a cap, the cap body of which has a ventilation opening. The dispenser includes an injection-moulded pull-off portion which, in the delivery state, covers the ventilation opening and is connected to the cap body by a substance-to-substance bond. The pull-off portion, together with a tamper-evident portion, which, with the dispenser in the delivery state, prevents removal of the cap body, is part of a common segment which is detachable from the cap body of the cap. Alternatively, the ventilation opening is provided with a filter membrane for filtering the air which flows through it, and the cap body includes two part-bodies which together form a receiving space for the filter membrane.

Abstract: A dispenser for discharging pharmaceutical liquids, in particular in the form of individual drops. Such a dispenser is designed as a side-actuation dispenser with an actuation button on the dispenser in the region of a lateral surface of the housing and has a liquid store, a pump device with a pump chamber which has a variable volume, and a dispensing opening for dispensing the liquid. The actuation button is a spring-loaded toggle switch, the volume of the liquid channel is reduced using an insert, and a special housing design is provided for the purpose of adapting the dispenser to the customer's needs.

Abstract: A vented protective cap for a liquid dispenser, and a venting insert, in particular for such a protective cap. The protective cap has a cap wall which surrounds a cap interior. The cap wall has a venting aperture which is spanned by a flexible sheet-like structure. A boundary region of the sheet-like structure is fixed in an encircling manner to a boundary of the venting aperture. The sheet-like structure consists of at least two layers which bear directly against one another but, at least in a central region of the sheet-like structure, are not connected fixedly to one another.

Abstract: Liquid dispenser for discharging pharmaceutical liquid having a discharge head and a cap, the cap body of which has a ventilation opening. The dispenser includes an injection-moulded pull-off portion which, in the delivery state, covers the ventilation opening and is connected to the cap body by a substance-to-substance bond. The pull-off portion, together with a tamper-evident portion, which, with the dispenser in the delivery state, prevents removal of the cap body, is part of a common segment which is detachable from the cap body of the cap. Alternatively, the ventilation opening is provided with a filter membrane for filtering the air which flows through it, and the cap body includes two part-bodies which together form a receiving space for the filter membrane.

Abstract: Liquid dispenser for discharging pharmaceutical liquid having a discharge head and a cap, the cap body of which has a ventilation opening. The dispenser includes an injection-moulded pull-off portion which, in the delivery state, covers the ventilation opening and is connected to the cap body by a substance-to-substance bond. The pull-off portion, together with a tamper-evident portion, which, with the dispenser in the delivery state, prevents removal of the cap body, is part of a common segment which is detachable from the cap body of the cap. Alternatively, the ventilation opening is provided with a filter membrane for filtering the air which flows through it, and the cap body includes two part-bodies which together form a receiving space for the filter membrane.

Abstract: A protective cap for a dispenser for discharging liquids, wherein the dispenser has a liquid reservoir and an outlet opening through which the liquid is discharged into a surrounding atmosphere. The protective cap has an inner cap and an outer cap, the inner cap having a ventilation opening for communication between an interior of the protective cap and an external environment. Before use, the outer cap is mounted on the inner cap in a first position with the inner cap and the outer cap in sealing contact with each other and the ventilation opening is separated in an airtight and germproof manner from the environment, and the outer cap is movable relative to the inner cap from the first position to a second position in which the inner and outer caps are out of sealing contact with each other and the ventilation opening communicates with the environment.

Abstract: A protective cap for a dispenser for discharging liquids, wherein the dispenser has a liquid reservoir and an outlet opening through which the liquid is discharged into a surrounding atmosphere. The protective cap has an inner cap and an outer cap, the inner cap having a ventilation opening for communication between an interior of the protective cap and an external environment. Before use, the outer cap is mounted on the inner cap in a first position with the inner cap and the outer cap in sealing contact with each other and the ventilation opening is separated in an airtight and germproof manner from the environment, and the outer cap is movable relative to the inner cap from the first position to a second position in which the inner and outer caps are out of sealing contact with each other and the ventilation opening communicates with the environment.

Abstract: The invention relates to a discharge device for discharging liquid medium, with a pump device with a variable volume pump chamber, a discharge opening for the liquid medium, a feed path between the pump device and the discharge opening, and an outlet valve which is designed to open the discharge opening as a function of the pressure in the feed path, and to a discharge head provided for this purpose. The discharge device or the discharge head has a gas-permeable and liquid-tight air outlet which connects the pump chamber or the feed path to an external environment.

Abstract: Discharge device and discharge head. The invention relates to a discharge device (10) for discharging liquid medium, with a pump device (32) with a variable volume pump chamber (34), a discharge opening (54) for the liquid medium, a feed path (40) between the pump device (32) and the discharge opening (54), and an outlet valve (54, 62a) which is designed to open the discharge opening (54) as a function of the pressure in the feed path (40), and to a discharge head provided for this purpose. According to the invention, the discharge device or the discharge head has a gas-permeable and liquid-tight air outlet (80) which connects the pump chamber (34) or the feed path (40) to an external environment. For use at a required high limit pressure of the outlet valve.