Method and apparatus for producing a puffed foodstuff

Details Method and apparatus for producing a puffed foodstuff Method and apparatus for producing a puffed foodstuff

1984-10-24

1986-08-26

Yeung, George

Food or edible material: processes, compositions, and products

Direct application of electrical or wave energy to food...

Heating by electromagnetic wave

993234, 219 1055A, 219 1055M, 426445, 426446, A23L 118, A23L 318

Patent

active

046082611

ABSTRACT:
A method of processing a foodstuff raw material in particulate form is described as is apparatus for performing the method. Both method and apparatus involve preheating the particulate food material in a preheating chamber and then subjecting the preheated food material to heating by microwave energy in a main processing chamber. A helical screw conveyor is provided to convey the particulate matter through the preheating and main processing chambers. The pitch of the helical screw conveyor is wider where the conveyor passes through the main processing chamber than the pitch where the screw conveyor passes through the preheating chamber.

REFERENCES:
patent: 3906115 (1975-09-01), Jeppson
patent: 4208439 (1980-06-01), Hsu
patent: 4410553 (1983-10-01), McGinty

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