Coffee machine for brewing coffee powder pre-packed in a...

Details Coffee machine for brewing coffee powder pre-packed in a... Coffee machine for brewing coffee powder pre-packed in a...

A - Human Necessities

47

J

A47J 31/58 (2006.01) A47J 31/40 (2006.01)

Patent

CA 2356116

The invention provides a coffee machine for brewing coffee powder pre-packed in a cartridge, whereby the bottom of the brew- ing chamber receiving the cartridge is provided with perforator members to perforate the cartridge bottom upon closing the brewing chamber. A brewing chamber housing contains an upper and a lower brewing chamber portion together delimiting the brewing chamber and axially movable relative to each other. The upper brewing chamber portion is biased by a spring to move away from the lower brewing chamber portion and provided with a protection member that bars access to the perforator members if the upper brewing chamber member is in its upper rest position. The upper brewing chamber member is moved, together with the protection member, from an up- per into a lower operating position in which the perforator member provide the bottom of the cartridge with elongate slots.

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