Filtering cartridge and machine for preparing an espresso-type drink

摘要

Preparation of drinks. The filtering cartridge in accordance with the invention is made out of plastic and comprises: - an upper part 3 comprising a centring well 3b at its centre, - and a lower part formed by a large open base 4 which defines an internal rebate 7 for the bearing and sealing of a filtering bottom 8 and which is bordered by an external flange 6 whose annular face 6a, facing upwards, is intended to form a sealing surface interacting with the head of a machine for preparing a drink by expression. Application to the preparation of espresso coffees.