Instrument for measuring package seals

Details Instrument for measuring package seals Instrument for measuring package seals

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

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