Coffee roaster

Details Coffee roaster Coffee roaster

1985-07-31

1987-09-08

Schwartz, Larry I.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34 39, 34 68, F26B 1108

Patent

active

046914471

ABSTRACT:
A coffee roasting apparatus is disclosed. The apparatus includes a coffee roasting drum which is operatively connected to a driving mechanism to cause the drum to rotate. The drum comprises a cylindrical element having an upper opening, a bottom opening and a bottom plate placed below the bottom opening to control the opening and closing of the bottom opening. An infrared heater is placed above the upper opening of the drum and an electrical heating element is placed below the drum at a position slightly above the lowermost portion of the drum. Coffee beans which are roasted by the radiation hearing of the infrared heater and the air which passes through the electrical heat element are discharged into a box through a gap defined between the bottom opening of the cylindrical element and the bottom plate.

REFERENCES:
patent: 1970499 (1934-08-01), Dent
patent: 1985604 (1934-12-01), Fitzgerald
patent: 2109597 (1938-03-01), Richeson
patent: 2141586 (1938-12-01), Woolsey et al.
patent: 2700225 (1955-01-01), Schmid et al.
patent: 4271603 (1981-06-01), Moore
patent: 4325191 (1982-04-01), Kumagai et al.
patent: 4493156 (1985-01-01), Siegmann

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