Device for roasting coffee beans, especially green coffee beans

Details Device for roasting coffee beans, especially green coffee beans Device for roasting coffee beans, especially green coffee beans

1986-05-23

1987-10-13

Schwartz, Larry I.

Drying and gas or vapor contact with solids

Apparatus

With apparatus using centrifugal force

34 57E, 34233, F26B 1710

Patent

active

046989161

ABSTRACT:
A method for roasting coffee beans in a roasting chamber, which includes depositing a quantity of coffee beans in the roasting chamber being small in proportion to the volume of the roasting chamber, directing a heatable air current through the roasting chamber substantially vertically from the bottom upward for rotating, upwardly whirling and circulating the coffee beans in a freely suspended state substantially untouched by each other and by the roasting chamber, and a device for carrying out the method.

REFERENCES:
patent: 2105778 (1938-01-01), Behr et al.
patent: 3673699 (1972-07-01), Buffington
patent: 3964175 (1976-06-01), Sivetz
patent: 4325191 (1982-04-01), Kumagai et al.
patent: 4494314 (1985-01-01), Gell, Jr.

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