The present invention uses a flow restrictor in the form of a tube containing multiple capillary sized passages to minimize any discharge of toxic gases from compressed gas cylinders in the unlikely event of the control valve or regulator failure. The use of this arrangement to provide a flow restriction...http://www.google.fr/patents/US6007609?utm_source=gb-gplus-shareBrevet US6007609 - Pressurized container with restrictor tube having multiple capillary passages
Pressurized container with restrictor tube having multiple capillary passages
