Aptar Stelmi Sas

Laurent Caburet

Ghislain Fournier

A method of treating an elastomer packaging element (), in particular a stopper for medical or pharmaceutical use, the packaging element () having a bottom portion () that is to penetrate into a neck () of a container () and a top portion () that is to co-operate in sealed manner with a top surface () of said neck () of the container (). The top surface of the top portion () is treated by a plasma-assisted polymerization method at atmospheric pressure using a plasma flame created at atmospheric pressure and into which a monomer is injected, the monomer polymerizing on the top surface in order to form a coating ().

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La Garenne Colombes, France

Laurent Caburet