Measuring and testing – With fluid pressure – Leakage
Patent
1977-06-09
1979-04-10
Knowles, Allen N.
Measuring and testing
With fluid pressure
Leakage
209617, 209699, 209644, G01M 304
Patent
active
041482131
ABSTRACT:
Apparatus for discarding leaky packages from a row of filled sealed packages on a conveyor belt comprising means for exerting pressure on the packages while on the belt and means for removing packages from the belt which appear to be leaky when subjected to said pressure, wherein said means for exerting pressure comprises the conveyor belt and a member located above said belt that in cooperation exert pressure on a package on the belt, either one of said member or belt being movable with respect to the other and the smallest distance between said belt and said member being chosen so that only a tight package is clamped therebetween while a leaky package is not, and said means for removing the leaky packages comprises a nozzle that blows air agains the packages in the space between said belt and member, whereby unclamped leaky packages will be removed from the conveyor belt.
REFERENCES:
patent: 2340775 (1944-02-01), Snyder
patent: 2895611 (1950-07-01), Barkway
patent: 3319784 (1967-05-01), Granger
patent: 4024956 (1977-05-01), Cassidy
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