Measuring and testing – With fluid pressure – Leakage
Patent
1989-03-30
1990-06-05
Myracle, Jerry W.
Measuring and testing
With fluid pressure
Leakage
73 52, G01M 332
Patent
active
049303449
ABSTRACT:
An apparatus for testing the quality of a seal on a package overwrap having a cutting or burning element to create a hole in the package overwrap without breaching the integrity of the package; a measuring head for introducing super-atmospheric air pressure through the hole between the overwrap and the package; and a pressure transducer for determining whether the rate of air leakage from the overwrap is within acceptable limits.
REFERENCES:
patent: 3251218 (1966-05-01), Russell
patent: 4012945 (1977-03-01), Bergstrand
patent: 4118972 (1978-10-01), Goeppner et al.
patent: 4205551 (1980-06-01), Clifford et al.
patent: 4517827 (1985-05-01), Tapscott
patent: 4539836 (1985-09-01), Hester et al.
patent: 4593554 (1986-06-01), Aarts
Chance Christopher N.
Fleenor J. Jerome
Mitten Robert T.
Myracle Jerry W.
Philip Morris Incorporated
Roskos Joseph W.
Rowland Mark D.
Storella John R.
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