BOPI 03 BR/2023 REPERTOIRE NUMERIQUE 21 (72) CARMINATI, Stefano (IT); ZAMPATO, Massimo (IT); MAURO, Stefano (IT) et GALLUZZI, Renato (IT) (73) ENI S.P.A., Piazzale Enrico Mattei, 1, 00144 ROMA (IT) (74) SPOOR & FISHER Inc. NGWAFOR & PARTNERS Sarl, The House of Gideon, Golf/Bastos Quarters, Opposite The American Embassy, Entrance-Saint John Paul II Boulevard, P.O. Box 8211, YAOUNDE (CM). (57) Electro-acoustic transducer (10) adapted to be in contact with a fluid under pressure comprising: a tubular body (20) that extends in length along a longitudinal direction X, the tubular body (20) comprising a first end portion (21) and a second end portion (22), opposite to each other longitudinally, the tubular body (20) internally having a first chamber (23), which ends with the first end portion (21 ) and a second chamber (24), on one side adjacent to and in fluidic communication with the first chamber (23) and on the other side ending with the second end portion (22), the first end portion (21) being closed towards the outside by means of a membrane (26) applied to the tubular body (20). the second end portion (22) having one or more openings (27) that put it in fluidic communication to the outside of the tubular body (20). the first chamber (23) containing in its walls a plurality of electrical windings (25) arranged in succession to each other in the longitudinal direction X, the second chamber (24) being filled with a liquid; a movable. Fig. 1a Consulter le mémoire ________________________________________ (11) 20845 (51) A23F 5/00 (2018.01); A23F 5/02 (2018.01); A23F 5/14 (2018.01) (21) 1202200034 (22) 25/01/2022 (54) Café instantané en dosette et son procédé d'obtention. (72) TEGANG NKOUTCHE Eustache (CM) (73) TEGANG NKOUTCHE Eustache, B.P. 10104, YAOUNDE (CM) (57) L'invention se rapporte à un café instantané en dosette et son procédé d'obtention. C'est un café moulu soluble et ensaché dans un papier filtre. Ledit café est obtenu à partir d'un mélange des cafés arabicas et robustas. Ce café s'obtient par
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