Patent ID: 8245736

Claim:
A powder dosing device for positioning on an outlet opening of a powder containing space, said powder dosing device comprising: a dosing body comprising a first closing part, a second closing part and a dosing chamber between said closing parts, said dosing body movable between a filling position in which said dosing chamber is accessible for powder in said powder containing space and said second closing part closes off said outlet opening, and a dosing position in which said first closing part closes off said outlet opening and said dosing chamber allows powder to leave said dosing chamber; a circumferential wall connectable to said outlet opening and positioned to close off said powder chamber of said dosing body when said dosing body is in a position between its filling position and its dosing position; an outlet part opposite said circumferential wall, said outlet part comprising said outlet opening for allowing powder to exit said dosing device; and a flexible wall connecting said circumferential wall and another outlet part, said circumferential wall, outlet part and said flexible wall defining a powder containing space which is in communication with said dosing chamber if said dosing body is in its dosing position, said flexible wall allowing a spacing of said circumferential wall and said outlet part to be varied.