Improvements in the helmet display multiple applied equipment respirator supply compressed air flow contu00ecnuo applied in blasting operations and related

摘要

Improvements in the helmet display multiple applied equipment respirator supply compressed air flow contu00ecnuo applied in blasting operations and so on, particularly is a helmet (1) to display multiple.Especially designed to be used with equipment respirator supply compressed air flow continuuo applied in blasting operations and related, belonging to the field of protection equipment of the airway, which has great light, in the light of the kill Rials employed in their manufacture, and total safety.Flexibility and comfort to the movements of the operator, for presenting a system of circulation of the air, not embau00e7a the lens of the viewfinder, and anatomic internal format without burrs, as determined by the NBR 14750, a noise level below 76 dB and an adjustment system for the cab E u00e7 a, allowing a quick placement and removal of the same, and referred to the helmet also presents.A panoramic display with a set of lenses, which may be removed one at a time during the operation, distorting vision and allowing a work without interruptions, not allowing the direct connection of the compressed air hose to the hood of the helmet.