Crema forming septum for installation downstream of a chamber containing a substance in powder form for extracting a beverage, such as ground coffee

摘要

A crema forming septum, adapted to be installed downstream of a chamber which contains a substance in powder form, preferably ground coffee, for extracting a beverage by means of pressurized water, characterized in that it comprises an elastic membrane (9) which has a weaker region (110) adapted to be broken by the pressurized beverage during extraction.