ATE36634T1 - CONTROLLED COFFEE ROASTING. - Google Patents

CONTROLLED COFFEE ROASTING.

Info

Publication number
ATE36634T1
ATE36634T1 AT84308417T AT84308417T ATE36634T1 AT E36634 T1 ATE36634 T1 AT E36634T1 AT 84308417 T AT84308417 T AT 84308417T AT 84308417 T AT84308417 T AT 84308417T AT E36634 T1 ATE36634 T1 AT E36634T1
Authority
AT
Austria
Prior art keywords
cylinder
coffee
beans
bed
roasted
Prior art date
Application number
AT84308417T
Other languages
German (de)
Inventor
James Patrick Mahlmann
Lawrence Scher
Steven Mark Schecter
Original Assignee
Gen Foods Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gen Foods Corp filed Critical Gen Foods Corp
Priority claimed from EP84308417A external-priority patent/EP0183878B1/en
Application granted granted Critical
Publication of ATE36634T1 publication Critical patent/ATE36634T1/en

Links

Landscapes

  • Tea And Coffee (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)

Abstract

Coffee is roasted continuously by (a) charging green coffee beans to one end of a rotating perforated cylinder that is divided into compartments by a helical screw along its length; (b) rotating the cylinder to advance the beans so that they pass through the cylinder in 2-10 min.; (c) simultaneously blowing gas heated at 200-240 deg.C upwards through the cylinder along its entire length, at 670-1250 m/min and weight ratio gas:coffee 40:1 to 150:1, so that the coffee is maintained in a bubbling bed in each compartment; the bubbling bed is intermediate between a static non-fluid bed and a fluidised bed, the greater proportion but not all of the beans being suspended in the roasting atmosphere; and (d) withdrawing roasted coffee at the other end of the cylinder.
AT84308417T 1984-12-04 1984-12-04 CONTROLLED COFFEE ROASTING. ATE36634T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP84308417A EP0183878B1 (en) 1982-10-12 1984-12-04 Controlled coffee roasting

Publications (1)

Publication Number Publication Date
ATE36634T1 true ATE36634T1 (en) 1988-09-15

Family

ID=8192829

Family Applications (1)

Application Number Title Priority Date Filing Date
AT84308417T ATE36634T1 (en) 1984-12-04 1984-12-04 CONTROLLED COFFEE ROASTING.

Country Status (2)

Country Link
AT (1) ATE36634T1 (en)
DE (1) DE3473557D1 (en)

Also Published As

Publication number Publication date
DE3473557D1 (en) 1988-09-29

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee