Measuring and testing – With fluid pressure – Dimension – shape – or size
Patent
1994-08-29
1996-10-22
Williams, Hezron E.
Measuring and testing
With fluid pressure
Dimension, shape, or size
73 375, 73 376, 73 378, 73 52, G01M 336, G01M 302, G01M 338
Patent
active
055665691
ABSTRACT:
To detect an unpressurized moving container, a fluid such as air is directed at the moving container. Thereafter, a level of deflection of the moving container resulting from the directed fluid is detected. An unpressurized container is indicated when the detected level of deflection exceeds a threshold level. Deflection may be detected by directing a pulse of air or a continuous stream of air against the container. The system is particularly useful in detecting unpressurized, thin-walled aluminum cans.
REFERENCES:
patent: 1590736 (1926-06-01), Clark
patent: 3837215 (1974-09-01), Massage
patent: 5372030 (1994-12-01), Prussia et al.
Achter Eugene K.
Gray Glenn
Klotzsch Helmut W.
Lieb David
Larkin Daniel S.
Thermedics Detection Inc.
Williams Hezron E.
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