Water replenishing device for coffee makers

Details Water replenishing device for coffee makers Water replenishing device for coffee makers

1977-07-18

1978-10-10

Sever, Frank

Foods and beverages: apparatus

Beverage

Infusors

99317, 210481, 422266, 422277, 422 15, A47J 3106

Patent

active

041190190

ABSTRACT:
A funnel-shaped receptacle is temporarily positioned on the top of a coffee-making machine with its bottom outlet positioned to discharge into the heater tank of the machine. The interior of the receptacle is spanned by a disposable activated carbon filter and below the filter is a container of screen material filled with soluble phosphate granules. Replenishing water poured through the receptacle is first purified by the filter and is then treated with the dissolved phosphate to prevent calcium formation and corrosion in the heater tank.

REFERENCES:
patent: 370583 (1887-09-01), Close
patent: 1014843 (1912-01-01), Nobles
patent: 1889485 (1932-11-01), Martin
patent: 2248766 (1941-07-01), Landesman
patent: 3136617 (1964-06-01), Wachter
patent: 3793692 (1974-02-01), Tate et al.
patent: 3823824 (1974-07-01), Close

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