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Title:
APPARATUS FOR ROASTING COFFEE BEAN
Document Type and Number:
Japanese Patent JPS63160569
Kind Code:
A
Abstract:

PURPOSE: To provide a roasting apparatus enabling uniform roasting of coffee beans preventing uneven roasting, by using a cylindrical rotary drum having a number of perforations on the circumferential wall, placing the drum nearly horizontally in an oven and providing a number of infrared heaters around and at the center of the rotary drum.

CONSTITUTION: A rotary drum 6 having nearly cylindrical form and having a number of perforations bored through the circumferential wall is rotatably supported in horizontal state nearly at the center of an oven 1 composed of a heat-insulation wall. A number of infrared heaters 23 are attached to the surface of the inner wall of the oven 1 in a manner surrounding the rotary drum 6. In addition to the above, an infrared heater 15 is placed at the center of the rotary drum 6.


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Inventors:
Tamaoki, Yoji
Kino, Takuya
Nakamura, Akihiko
Nishizuka, Makoto
Application Number:
JP1986000310602
Publication Date:
July 04, 1988
Filing Date:
December 24, 1986
Export Citation:
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Assignee:
POTSUKA CORP:KK
NGK INSULATORS LTD
International Classes:
A23N12/10; A23F5/04; (IPC1-7): A23N12/10
Domestic Patent References:
JPS6040156U
JPS5534738U
JPS5439518U



 
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