Exchangeable capsule to prepare a infusion of coffee and method to obtain a infusion of said coffee

摘要

Exchangeable capsule to prepare a infusion of coffee and method to obtain a infusion of said cup. This is one capsule (100) suitable to contain in its inner part a mass of coffee powder (MC) to prepare an infusion of coffee. The capsule (100) understand a container (101) closed by a lid (102). The container (101) is equipped with a filter (TF) of the infusion of coffee / hot water.The capsule (100) is characterized by the fact that the mass of the coffee powder (MC) is located in an annular space (SF) that surrounds a central chimney (180). The water infusion, for at least one of its intermediate stages, converges from the annular space (SP) in the direction of the central chimney (180) via first through a vertical filter (TF).