| 摘要 |
PROBLEM TO BE SOLVED: To obtain a measuring apparatus of bottle opening which can accurately measure, with high efficiency and precision, inner calibers of two portions set by dimensions from the upper end surface of a bottle and dimension as far as a gauge point of a skirt part. SOLUTION: In two peripheral parts of a measuring table upper plate 1A, two long holes 1a, 1b are formed. In other peripheral part, an opening 1c and a positioning member 11 are formed. Under the long holes 1a, 1b, two callipers gauges 1, 11 provided with turned-up V-shaped staffs IB, IIB are held movably in the height direction in the state that rotation is not caused. Under the aperture 1c, a protruding rod IIIB provided with a disk type contact terminal IIIb on the tip side is protruded upward.
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