| 摘要 |
PCT No. PCT/CH81/00107 Sec. 371 Date May 20, 1982 Sec. 102(e) Date May 20, 1982 PCT Filed Sep. 29, 1981 PCT Pub. No. WO82/01120 PCT Pub. Date Apr. 15, 1982.Apparatus for obtaining strong aromatic coffee having a scalding chamber within a cylinder for receiving coffee powder between separately controlled upper and lower pistons, a hydraulic piston for causing the upper piston to close the scalding chamber, a passage for introducing hot water into the closed chamber through the upper piston so as to cause the coffee powder to swell-up, a separate hydraulic piston for causing the lower piston to compress the swollen coffee, and a passage for draining off the coffee so formed through the lower piston. |
