| 摘要 |
<p>The object of this invention is a combination of a filter bridge type protective device and a conventional gas mask that enables the use of both light and advantageous laterally flush filters used in protective respirators and filter cartridges enclosed in metal or plastic casings protecting the user from special gases. The invention is characterized by the fact that the respirator's ribbing has been formed into a cylinder (2) providing support for the laterally flush type filter (3) when using such a filter (3) and which also acts as an adapter for filter cartridges when using a filter cartridge.</p> |
