| 摘要 |
Machine for the production of espresso coffee in very large quantities, performing extraction of said coffee from a large mass, or batch, of roasted and ground coffee introduced into a properly extraction set (40) and comprising a cylinder or bucket (36) suitable for housing the batch (108) of roasted coffee powder and co-operating with a piston (38) intended to compress the batch (108) of coffee powder, which piston (38) is provided with a perforated plate filter (110) communicating with means (106) for supplying hot water so to allow the introduction of hot water, and consequent extraction of espresso coffee infusion from the compressed batch (108), which cylinder (36) can be fixed in three different positions which allow loading of a measure (42) constituting the batch (108) of coffee powder, extraction of coffee from the batch (108) of powder and its collection in an appropriate receptacle (112) and, finally, ejection of the coffee batch as an exhausted cake (82), substantially dry, into a collection receptacle (116). |
