PROBLEM TO BE SOLVED: To provide a method and an apparatus for judging rind puffing of citrus whereby whether rinds of citrus puff or not can be more correctly automatically judged. ;SOLUTION: An apparatus 1 for judging rind puffing comprises a chopping air-generating device 3 for generating a chopping air which includes an air compressor 2 for discharging a compressed air, a rotary disc 6 with a plurality of through holes 6a bored in a circumferential direction at predetermined intervals, and a driving device for rotating the rotary disc 6 at a predetermined rotational speed, a displacement sensor 4 for detecting a minute displacement of rinds, and an operating device 5 for processing detect signals from the displacement sensor 4 and judging the presence/absence of rind puffing. The chopping air is jetted to rinds of citrus fruits and the resulting minute displacement of the rinds is detected, thereby judging the presence/absence of the rind puffing.;COPYRIGHT: (C)2001,JPO
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