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US 4,300,442 AGranted
Coffee maker
AssigneeSociete d'Assistance Technique pour Produits Nestle S.A.
InventorErnest N. Martin
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AssigneeSociete d'Assistance Technique pour Produits Nestle S.A.
InventorErnest N. Martin
Estimating the term…
A coffee making machine comprising a thin-walled molded plastic shell-like housing with a two-piece molded core of heat insulating foam plastic slidably engaged in the housing; said machine includes a water supply unit including a tank with an electric heater means related to it, a hot water dispensing means communicating with the tank, a dehydrated granular coffee concentrate metering and dispensing unit and a coffee concentrate and hot water receiving and mixing unit with a coffee dispensing duct; said core has openings to cooperatively receive said water supply unit, water dispensing means and said concentrate metering and dispensing unit; said housing has openings to facilitate engagement of the core and means within the core therein and to provide access thereto; said housing has means to releasably receive and hold said mixing unit to receive water and concentrate from the water dispensing means and the dispensing unit and to deliver coffee into a drinking receptacle related to the machine.
A coffee making machine comprising an elongate vertical hot water supply unit with an upwardly opening tank, resistance heater means at the lower end of the tank and including a power cord extending from the machine to a suitable power source and a lid removably engageable over the upper end of the tank, water dispensing means including a forwardly opening water outlet port in the tank, a normally closed valve with inlet and outlet ends, said inlet end communicating with the outlet port, a downwardly opening water discharge spout communicating with said outlet end and a manually engageable operating lever projecting from the valve, an elongate vertical granular coffee concentrate dispensing unit comprising an upwardly opening concentrate supply body, a cover removably engaged over the body, a downwardly projecting concentrate discharge chute depending from the body and arranged to occur laterally of the spout, concentrate metering means in the body to move measured volumes of concentrate to said duct for discharge therefrom and operating means for the metering means including a manually engageable handle accessible at the exterior of the body, a funnel-like mixing unit with an open top below and receiving water and concentrate from the spout and the duct and having a downwardly opening coffee discharge opening below which a coffee beverage receptacle is arranged, a core of heat resistive and heat insulating foam plastic resin with a bore in which the water unit is positioned, a recess in heat insulated relationship from the bore in which the dispensing unit is positioned and a downwardly opening cavity in heat insulated relationship from the bore and the recess and into which the nozzle and duct project, a thin-walled case about the core having a recess below the cavity to accommodate the mixing unit and a coffee receptacle arranged below the mixing unit, an opening communicating between the cavity and the mixing unit and openings at the upper ends of said tank and body;
Dependencies are inferred from the claim text.