Dispenser for dispensing liquid or pasty substances

A manually grippable and handleable dispenser for dispensing at least two liquid or pasty substances which are dispensable and mixable with each other in a predetermined ratio for dispensing, the dispenser comprising a dispenser housing with at least two flexible containers (14, 16) that are received in the dispenser housing and of which at least one is flexible for separate storing of the substances to be dispensed which are dispensable through a respective dispensing opening (26, 28) to a dispensing head (30), wherein the substance is dispensable from at least one of the containers by pressure loading, wherein the dispensing is performed either by manual pressure loading through the dispenser housing upon at least one of the containers (14, 16) received in the dispenser (10) and/or by a propellant fluid that is arranged in the dispenser housing (12) which loads at least one of the containers to dispense the substance,

• characterized in that
• a respective constant amount pump (58) is provided between the dispensing openings (26, 28) of the containers (14, 16) and the dispensing head (30) for each substance that is fed through the corresponding dispensing opening, wherein the constant amount pump dispenses an exact amount of the substance to the dispensing head (30) independently from viscosity variations of one or plural substances respectively corresponding to a predetermined mixing ratio and that the constant amount pumps (58) of the individual substances are coupled with each other mechanically and/or magnetically,
• further characterized in that
• the dispenser housing (12) includes at least two output openings (26, 28) wherein at least two of the constant amount pumps (58) are provided which are arranged in a common pump housing (42) which includes at least two further pump chambers (70, 72) respectively with each of the at least two constant amount pumps (58).