Automatic unit for preparing espresso coffee

Details Automatic unit for preparing espresso coffee Automatic unit for preparing espresso coffee

A - Human Necessities

47

J

A47J 31/24 (2006.01) A47J 31/36 (2006.01) A47J 31/40 (2006.01)

Patent

CA 2334422

Automatic espresso coffee dispensing unit comprising hot water delivery means (2) and, for containing coffee powder or a capsule, a compartment (47, 152) to be moved into sealed relationship against said delivery means, said compartment being in the form of a cylindrical jacket (73, 41) rigid with a movable hollow body (7, 40) which is sealedly mounted on a fixed hollow body (5, 50) to create a variable volume chamber connected via a two- or three-way valve alternately to a pressurized water source and to discharge.

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