Grassing on leaks

A sensitive testing method for food and pharmaceutical packages which detects leaking packages in less than a second on the packaging line has been developed by VTT Biotechnology, Finland and patented by Espoon Paineilma Oy of Finland.
The method won an award from the International Association of Packaging Research Institutes in 1998. It is {mosimage}A sensitive testing method for food and pharmaceutical packages which detects leaking packages in less than a second on the packaging line has been developed by VTT Biotechnology, Finland and patented by Espoon Paineilma Oy of Finland.
The method won an award from the International Association of Packaging Research Institutes in 1998. It is based on the introduction of a small amount of hydrogen trace gas, which is safe and suitable for use with foodstuffs, into the package.Packages are conveyed along the packaging line (pictured) to a test chamber where trace gas flow from any package with a defective seam is detected by a sensor system.
CONTACT: eero.hurme@vtt.fi Tel +358 94566191; Fax +358 94552103
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