Brewing apparatus and process for making infusions or...

A - Human Necessities – 47 – J

Patent

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Details

A47J 31/56 (2006.01) A47J 31/36 (2006.01)

Patent

CA 2656878

A brewing apparatus (1,101) for making infusions, particularly espresso, of the type comprising a pumping unit (2,102) for pumping water from a tank (3,103) to a water superheating boiler (6,106), wherein the boiler (6,106) has a lower container (11,111) closed at its top by a perforated cover (12,112) allowing superheated water to flow into the lower container under pressure, said lower container (11,111) and top cover (12,112) being formed of a plastic material. The brewing process includes a first step in which water is fed and pumped at a first feed velocity, a second step in which said velocity is increased to increase pressure in the chamber; said first velocity being lower than said second velocity. The upper boiler body (112) has the closing face (112a) of such a shape as to receive a corresponding single-dose pod (100) packed in paper, aluminum or another biodegradable material containing coffee or another flavor base in general.

L'invention concerne un appareil d'infusion (1, 101) pour obtenir des infusions, en particulier des expressos, du type de ceux comprenant une unité de pompage (2, 102) pour pomper de l'eau à partir d'un réservoir (3, 103) dans une chaudière de surchauffage d'eau (6, 106), la chaudière (6, 106) ayant un contenant inférieur (11, 111) fermé à sa partie supérieure par un couvercle perforé (12, 112), autorisant de l'eau surchauffée à s'écouler dans le contenant inférieur sous pression, ledit contenant inférieur (11, 111) et ledit couvercle supérieur (12, 112) étant formés d'une matière plastique. Le procédé d'infusion comprend une première étape dans laquelle l'eau est introduite et pompée à une première vitesse d'introduction, une seconde étape dans laquelle ladite vitesse est augmentée pour accroître la pression dans la chambre ; ladite première vitesse étant inférieure à ladite seconde vitesse. Le corps de chaudière supérieur (112) possède une face de fermeture (112a) d'une forme telle qu'il peut recevoir une coque monodose correspondante (100) emballée dans du papier, de l'aluminium ou autre matière biodégradable, contenant du café ou une autre base aromatique en général.

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