A mask and harness system for use in providing breathing oxygen and protection from pollutants for the eyes and respiratory system as might be encountered in high altitude aviation environments. In one preferred embodiment, the mask system has a face seal, a soft flexible lens, a pneumatically-actuated...http://www.google.es/patents/US6070580?utm_source=gb-gplus-sharePatente US6070580 - Quick-donning full face oxygen mask with inflatable harness and soft foldable lens
Quick-donning full face oxygen mask with inflatable harness and soft ...