there b means for dissolving and mixing the predetermined dose of freeze dried coffee with emulsified milk in the treatment chamber 4 is provided the treatment chamber 4 is provided with a cover 6 which rotates upwards an outlet pipe 60 as shown in fig1 and 7 for removing the cappuccino just made a lower opening 41 as shown in fig4 for emptying with a sealing valve 7 and a lateral opening 40 fig5 and 6 for the admission of the milk and of the air by means of steam under pressure it is envisaged that the opening 41 opens into a pipe 42 fig8 which is prolonged in a tube 43 fig1 4 5 7 and 8 for the distribution of the cappuccino into a cup also the opening 41 opens into a flexible tube 61 fig1 and 8 connected to the outlet pipe 60 of the cover 6 for the bringing forward of the cappuccino under formation the cover 6 is rotated in opening and in closing respectively by a negative cam 20 fig2 that is to say one obtained by depression in a disk 13 the disk 13 can rotate about a horizontal axis under the control of a hand grip 13 39 which is integral with.