| 摘要 |
An apparatus and method for measuring the effective support height of a base cup for a container having a convex bottom includes a preform corresponding to the container bottom which is secured to a sensing member of a linear translation indicating device. The apparatus is preferably utilized on a planar surface and the indicating device is zeroed while the preform is placed in contact with surface. The base cup is then positioned below the preform, the preform is lowered into contact with the base cup and the effective support height of the cup is read on the indicating device.
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