| 摘要 |
A weight inspection apparatus (J) has an electronic balance (13), a comparator (62) for comparing the weight of the article measured with a predetermined reference weight and outputting a difference between the measured weight and the reference weight. Thus, a determination is made whether the article has a possibility of being defective if the difference exceeds the predetermined allowance value. An abnormal signal-receivers (61b) receives an abnormal signal outputted from the injection molding press. When the abnormal signal is received, it is determined that the article formed in an injection molding operation performed in an abnormal state have a possibility of being defective.
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