Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers

Child Classifications

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• B65B 31/003
• B65B 31/006
• B65B 31/02 Filling, closing, or filling and closing, containers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas
• B65B 31/04 Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied
• B65B 31/10 Adding propellants in solid form to aerosol containers