Coffee roasting method and apparatus

Details Coffee roasting method and apparatus Coffee roasting method and apparatus

A - Human Necessities

23

F

99/196, 99/79

A23F 5/04 (2006.01)

Patent

CA 1285174

COFFEE ROASTING METHOD AND APPARATUS ABSTRACT Coffee is produced by first suspending a bubbl- ing bed thereof under conditions which avoid popping in a heated medium wherein the heating gas is present in excess of 10:1 gas to coffee, the gas being less than 630°F, and thereafter exposing the coffee to a further charge of hot gas at a comparable gas to coffee ratio to complete the roast, the second charge of air being at a temperature equal to or less than the first charge. The roasted coffee which is produced has a roasted whole bean density of from 0.28 to 0.34 gms./cc. When the roasted whole beans are suitably ground, a roasted and ground coffee of 11 to 13.5 oz. per 1000 cc. is produced.

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