the piston of a piston ustensible manual for preparing hot beverages by percolation of hot water in a fine grinding, the cafe express.

摘要

The plunger has grounds container (2) equipped with a thin filter (3) for filtering percolated drink. A lid (5) is perforated with small holes for avoiding escape of grounds and perforated with multiple large holes for restricting interference of the grounds on percolating water. An annular seal (4) ensures perfect sealing between the container and a tank (9) of a utensil, and ensures that force applied to a button (8) is large. A container stand (1) is welded to the container, and is solidly connected to a rod (6).