Espresso coffee maker has filter cleaner on boiler lid which tapers upwards and has cruciform cross-section, filter being inverted on to it and rotated, so that used coffee flows down its grooves into trap

摘要

The espresso coffee maker has a filter cleaner (7) mounted on the boiler lid (6). This tapers upwards and has a cruciform cross-section. The filter is inverted on to the cleaner and rotated, so that used coffee flows down its grooves into a trap (8).