Method and plasma torch for treating a surface in a cavity and related filling-closure installation

A plasma torch includes a distal part (4) immersed in a container (43) to be decontaminated. A plasma jet (44) produced by sudden discharge of a capacitor between main electrodes (9,11) sweeps directly or by reflection or by sweep-over the whole internal surface of the container (43). The gas exhaus...

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Bibliographische Detailangaben
Hauptverfasser:	MERARD JEAN RENE MICHEL, MERARD BETTY, LECLERQ ROGER, MERARD CAROLE, MERARD RENE
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES DISINFECTION, STERILISATION, OR DEODORISATION OF AIR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY HUMAN NECESSITIES HYGIENE MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL PLASMA TECHNIQUE PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OFNEUTRONS PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMICBEAMS
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Beschreibung
Zusammenfassung:	A plasma torch includes a distal part (4) immersed in a container (43) to be decontaminated. A plasma jet (44) produced by sudden discharge of a capacitor between main electrodes (9,11) sweeps directly or by reflection or by sweep-over the whole internal surface of the container (43). The gas exhaust is preferably controlled by a valve (47) operating by gravity on the orifice (42) of the container. The torch is useful for intense decontamination, in particular at a high rate, using an extremely brief and intense plasma flash.