Detecting small holes in packages
Patent
·
OSTI ID:203876
A package containing a tracer gas, and a method for determining the presence of a hole in the package by sensing the presence of the gas outside the package are disclosed. The preferred tracer gas, especially for food packaging, is sulfur hexafluoride. A quantity of the gas is added to the package and the package is closed. The concentration of the gas in the atmosphere outside the package is measured and compared to a predetermined value of the concentration of the gas in the absence of the package. A measured concentration greater than the predetermined value indicates the presence of a hole in the package. Measuring may be done in a chamber having a lower pressure than that in the package. 3 figs.
- Research Organization:
- Savannah River Site (SRS), Aiken, SC (United States)
- DOE Contract Number:
- AC09-89SR18035
- Assignee:
- Dept. of Energy, Washington, DC (United States)
- Patent Number(s):
- US 5,499,529/A/
- Application Number:
- PAN: 8-070,196
- OSTI ID:
- 203876
- Resource Relation:
- Other Information: PBD: 19 Mar 1996
- Country of Publication:
- United States
- Language:
- English
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