Testing container seals

Details Testing container seals Testing container seals

1987-08-25

1988-10-04

Levy, Stewart J.

Measuring and testing

With fluid pressure

Leakage

73 498, G01M 336

Patent

active

047748303

ABSTRACT:
Leak detector for use in detecting defective flange-shaped seals between lid and body portions of a package. A pressure chamber is provided for isolating the external edge of the seal and applying test pressure thereto. Containment of the pressure chamber includes sealing pressure applied mechanically to the flange-shaped package seal during testing, but this sealing pressure does not affect seal testing because it is appropriately limited by a self-compensating biasing of the mechanical seal.

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patent: 4326408 (1982-04-01), Kanoh
patent: 4409818 (1983-10-01), Wyslotsky et al.

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