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  • A device which tests the Finish cracks (Cracked finish, Neck ring crack, cracks under finish, etc.) of glass bottles
  • This device is used for lot testing and can reduce the output of defective products.

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  • A device which accurately measures dimensions or moldings using the shadow of a glass bottle
    ex) Stopper molding, shoulder difference, measurement of external height, screw caliber, ring thickness, -etc

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  • (When the internal diameter of container is not mold accurately, gasket easily misses or leaks during use or storage after filling.)

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  • Occurs if the stress is not removed due to various factors (temperature change, etc.) during slow cooling to remove stress inside the glass after molding
  • Stress inside the glass is called strain.

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  • For perfumes requiring use of pump for spraying of contents, pressure works vertically to fasten the pump after filling

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  • A device that measures the strength of glass. The strength of bottle may weaken in some cases due to cracks, strains or the thickness of the glass inside the bottle
  • Checks how much internal pressure of a case can endure using water pressure

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  • Measures the strength of a glass bottle. The strength of a bottle weakens in some cases due to cracks, strains, or glass thickness inside the bottle
  • Checks the damage of a glass bottle due to a change of temperature using cold and hot water tanks

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  • Measures the strength of capping (opening and closing)