| 摘要 |
AUTOMATIC MACHINE FOR COFFEE BEVERAGE, IN WHICH THE GROUND COFFEE IS COMPRESSED IN AN INFUSION CHAMBER Automatic coffee machine has ground coffee deposited into an infusion chamber, in which it is compressed between an infuser piston and a filter piston. A packing stabilizes the seal between the infusion chamber and the infuser piston. The infuser piston is divided into two parts, with one part sliding into the other part against an opposing spring resistance.
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