Device and method for testing bottle-shaped containers

Details Device and method for testing bottle-shaped containers Device and method for testing bottle-shaped containers

G - Physics

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M

73/76

G01M 3/32 (2006.01) B07C 5/34 (2006.01) G01M 3/36 (2006.01)

Patent

CA 1287503

ABSTRACT OF THE DISCLOSURE A device and method for testing bottle-shaped containers employ a piston and cylinder arrangement comprising two pistons which are operable to effect simultaneous or successive tests for different properties on one of the containers while the container and the cylinders of the arrangement remain in an unchanging test position. The two pistons are coaxially arranged in respective cylindrical chambers within a common cylinder and are operatively connected by a piston rod. The stroke lengths of the piston are unequal. By this means, containers intended to be filled with liquid products and made of plastics material can be tested before they are filled in order to quickly and reliably detect rejects, e.g. with respect to dimensions, upset strength, tightness and the like, before a filling operation.

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