Fujimori Kogyo Co., Ltd.

Hitoshi Matumoto

Masanori Nagata

Shigeki Imano

Tsugio Kaneoka

The invention provides an ultrasonic method of inspecting contents (fluid food, for instance) of a package by disposing an ultrasonic transmitter-receiver system on at least one side of the package and evaluating the occurrence or degree of degradation of the contents on the basis of output data from the system. The invention also provides an ultrasonic apparatus for inspecting contents of a package which comprises a shaking device for feeding and shaking the package, an ultrasonic device disposed independently and downstream of the shaking device, and a guide device for feeding the package downstream of the shaking device to the ultrasonic device and further downstream.

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Tokyo, Japan

Hitoshi Matumoto