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A pen-type cosmetic dispenser for discharging a cosmetic medium, including an elongate housing extending in a main direction of extent, a discharge opening at an end face of the housing, a liquid reservoir arranged inside the housing, and a pumping device arranged inside the housing, which pumping d

A pen-type cosmetic dispenser for discharging a cosmetic medium, including an elongate housing extending in a main direction of extent, a discharge opening at an end face of the housing, a liquid reservoir arranged inside the housing, and a pumping device arranged inside the housing, which pumping device can be actuated by an actuating handle arranged on a lateral surface of the housing. The pumping device has a pump chamber, which is connected to the liquid reservoir on an inlet side and to the discharge opening on an outlet side. The pump chamber is delimited at least in sections by a wall which is flexible in shape, wherein the exterior surface of the wall forms the actuating handle.

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1. A cosmetic dispenser in the form of a pen for discharging a cosmetic medium, said cosmetic dispenser comprising: a housing elongated along a main direction of extent and having an end face including a discharge opening;a liquid reservoir disposed within an interior of said housing and filled with

1. A cosmetic dispenser in the form of a pen for discharging a cosmetic medium, said cosmetic dispenser comprising: a housing elongated along a main direction of extent and having an end face including a discharge opening;a liquid reservoir disposed within an interior of said housing and filled with a liquid cosmetic;a pumping device disposed within said interior of said housing, said pumping device including a pump chamber connected to said liquid reservoir on an inlet side of said pump chamber and to said discharge opening on an outlet side of said pump chamber;a flexible wall disposed in circumferentially surrounding relation with said pump chamber, said flexible wall having openings only at said inlet and outlet sides of said pump chamber, said flexible wall having an exterior surface disposed on a lateral surface of said housing and forming an actuating portion of said pumping device; anda valve disposed between said discharge opening and said pump chamber, said valve including two valve lips formed as one-piece with said flexible wall, said valve lips having respective surfaces disposed in opposed relation and in direct contact with one another to define a closed position of said valve, said valve lips being movable away from one another and out of contact with one another to define an open position of said valve which permits communication between said pump chamber and said discharge opening to dispense a predetermined amount of liquid cosmetic through said discharge opening;said housing including first and second rigid housing components disposed, along the main direction of extent, on respective opposite sides of said actuating portion, and a third rigid housing component interconnecting said first and second rigid housing components to one another, said third rigid housing component including a counterforce surface disposed, in a circumferential direction of said housing, substantially opposite said actuating portion to permit application of a force to said actuating portion with one finger and application of a counterforce to said counterforce surface with another finger, said third rigid housing component being disposed in circumferentially surrounding relation with said flexible wall and defining an opening through which said actuating portion is accessible, said flexible wall and said third rigid housing component being formed as an integral two-component injection-molded part. 2. The cosmetic dispenser of claim 1, wherein said pump chamber is filled with liquid and said actuating portion is movable inwardly to pressurize said pump chamber and reduce a volume thereof and cause the predetermined amount of liquid cosmetic to be dispensed from said pump chamber through said discharge opening. 3. The cosmetic dispenser of claim 1, wherein said valve is disposed between said discharge opening and said pump chamber at said outlet side thereof. 4. The cosmetic dispenser of claim 3, wherein said valve is an outlet valve and said cosmetic dispenser further includes an inlet valve disposed between said liquid reservoir and said pump chamber at said inlet side thereof, wherein said pump chamber is filled with liquid cosmetic and said inlet valve is closed and said actuating portion is movable inwardly to open said outlet valve and dispense liquid cosmetic through said discharge opening. 5. The cosmetic dispenser of claim 1, wherein said flexible wall is cylindrical in shape and said opening of said flexible wall at said outlet side of said pump chamber is defined between the respective surfaces of said valve lips in said open position of said valve. 6. The cosmetic dispenser of claim 1, wherein said valve lips are disposed to close off said pump chamber at said outlet side thereof and control the flow of liquid cosmetic between said pump chamber and said discharge opening, said valve lips extending inwardly so as to terminate at the respective said surfaces, said surfaces being disposed in direct abutting contact with one another in said closed position of said valve, and said actuating portion is movable inwardly to pressurize said pump chamber and move said surfaces of said valve lips out of contact with one another and into said open position of said valve to dispense the predetermined amount of liquid cosmetic from said pump chamber through said discharge opening. 7. The cosmetic dispenser of claim 1, wherein said flexible wall has an inner surface facing away from said exterior surface, and an entire circumferential extent of said pump chamber is defined solely by said inner surface of said flexible wall. 8. A cosmetic dispenser comprising: an elongate housing having a hollow interior and defining a longitudinal axis, said housing having a first end including a discharge opening and a second end remote from said first end;a reservoir disposed within said interior of said housing and configured to store a liquid cosmetic therein;a pump including a pump chamber having an inlet in fluid communication with said reservoir and an outlet in fluid communication with said discharge opening;said housing including a substantially tubular and flexible housing wall extending along the axis and defining said pump chamber, said flexible housing wall having an actuator portion including a surface disposed externally along said housing, said actuator portion being movable inwardly in a direction towards the axis to actuate said pump; anda valve formed in one-piece with said flexible housing wall and being disposed to close off said pump chamber at said outlet thereof and control the flow of liquid cosmetic between said pump chamber and said discharge opening, said valve including first and second valve lips formed in one-piece with said flexible housing wall, said first and second valve lips extending inwardly towards the axis and terminating at respective opposed surfaces disposed in direct abutting contact with one another in a closed position of said valve, said actuator portion being movable inwardly to pressurize said pump chamber and move said surfaces of said valve lips out of contact with one another and into an open position of said valve to dispense a predetermined amount of liquid cosmetic from said pump chamber through said discharge opening. 9. The cosmetic dispenser of claim 8, wherein said housing includes a substantially tubular and rigid housing wall disposed in surrounding relation with said flexible housing wall, said rigid housing wall defining an opening in which said actuator portion is disposed. 10. The cosmetic dispenser of claim 9, wherein said flexible housing wall has an inner surface facing away from said surface of said actuator portion, and an entire circumferential extent of said pump chamber is defined solely by said inner surface of said flexible housing wall. 11. The cosmetic dispenser of claim 8, wherein said flexible housing wall has an inner surface facing away from said surface of actuator portion, and an entire circumferential extent of said pump chamber is defined solely by said inner surface of said flexible housing wall. 12. The cosmetic dispenser of claim 8, wherein said cosmetic dispenser has an overall length of at least 120 mm and a maximum diameter of 18 mm to provide said cosmetic dispenser with a pen-shape such that said cosmetic dispenser is guidable by a user's index, thumb and middle fingers to permit discharge of liquid cosmetic from said discharge opening at a precise location and when said pump chamber is filled with liquid cosmetic and said actuator portion is actuated said valve opens and a predetermined amount of liquid cosmetic is dispensed from said pump chamber through said discharge opening. 13. The cosmetic dispenser of claim 9, wherein said rigid housing wall includes a counterforce surface disposed substantially diametrically opposite said actuator portion to permit application of a force to said actuator portion with one finger and application of a counterforce to said counterforce surface with another finger, said cosmetic dispenser having an overall length of at least 120 mm and a maximum diameter of 18 mm to provide said cosmetic dispenser with a pen-shape such that said cosmetic dispenser is guidable by a user's fingers to permit discharge of liquid cosmetic from said discharge opening at a precise location. 14. The cosmetic dispenser of claim 8, wherein said actuator portion is movable inwardly to pressurize said pump chamber and reduce a volume thereof and cause the predetermined amount of liquid cosmetic to be dispensed from said pump chamber through said discharge opening. 15. The cosmetic dispenser of claim 8, wherein said valve is an outlet valve disposed adjacent said discharge opening and said cosmetic dispenser comprises an inlet valve disposed to close off said pump chamber at said inlet thereof and control the flow of liquid cosmetic between said reservoir and said pump chamber, said inlet valve opening when a negative pressure is present within said pump chamber to permit flow of liquid cosmetic from said reservoir to said pump chamber. 16. The cosmetic dispenser of claim 1, wherein said cosmetic dispenser has an overall length of at least 120 mm and a maximum diameter of 18 mm to provide said cosmetic dispenser with a pen-shape such that said cosmetic dispenser is guidable by a user's index, thumb and middle fingers to permit discharge of liquid cosmetic from said discharge opening at a precise location. 17. A cosmetic dispenser in the form of a pen for discharging a cosmetic medium, said cosmetic dispenser comprising: a housing elongated along a main direction of extent and having an end face including a discharge opening;a liquid reservoir disposed within an interior of said housing and filled with a liquid cosmetic;a pumping device disposed within said interior of said housing, said pumping device including a pump chamber connected to said liquid reservoir on an inlet side of said pump chamber and to said discharge opening on an outlet side of said pump chamber;a flexible wall disposed in circumferentially surrounding relation with said pump chamber, said flexible wall having openings only at said inlet and outlet sides of said pump chamber, said flexible wall having an exterior surface disposed on a lateral surface of said housing and forming an actuating portion of said pumping device, said flexible wall having an inner surface facing away from said exterior surface, and an entire circumferential extent of said pump chamber is defined solely by said inner surface of said flexible wall; anda valve disposed between said discharge opening and said pump chamber, said valve including two valve lips formed as one-piece with said flexible wall, said valve lips having respective surfaces disposed in opposed relation and in direct contact with one another to define a closed position of said valve, said valve lips being movable away from one another and out of contact with one another to define an open position of said valve;said housing including first and second rigid housing components disposed, along the main direction of extent, on respective opposite sides of said actuating portion, and a third rigid housing component interconnecting said first and second rigid housing components to one another, said first housing component defining therein said liquid reservoir and said second housing component including a tip part defining said discharge opening therein and an annular securing element disposed in surrounding relation with said tip part, said third housing component coupling with said securing element to interconnect said first and second housing components to one another, said third rigid housing component including a counterforce surface disposed, in a circumferential direction of said housing, substantially opposite said actuating portion to permit application of a force to said actuating portion with one finger and application of a counterforce to said counterforce surface with another finger, said third rigid housing component being disposed in circumferentially surrounding relation with said flexible wall and defining an opening through which said actuating portion is accessible, said flexible wall and said third rigid housing component being formed as an integral two-component injection-molded part and being separate from said tip part;said cosmetic dispenser having an overall length of at least 120 mm and a maximum diameter of 18 mm to provide said cosmetic dispenser with a pen-shape such that said cosmetic dispenser is configured for being guided by a user's index, thumb and middle fingers to permit discharge of liquid cosmetic from said discharge opening at a precise location on a user's skin, and when said pump chamber is filled with liquid cosmetic and said actuating portion is actuated by a user, said valve opens and a predetermined amount of liquid cosmetic is dispensed from said pump chamber, into said tip part and through said discharge opening.