Personal respiratory protection device that has a permanent or semi-permanent bayonet connection

摘要

A personal respiratory protection device that has a bayonet attachment system. The bayonet attachment system comprising a first portion and a second portion, wherein the first portion comprises a tab receptacle and a tab void area, and the second portion comprises a tab extending therefrom. The tab has a size no greater than the tab void area and no greater than the tab receptacle. When the first portion is attached to the second portion to cause the tab to seat within the tab receptacle, a connection is formed that is incapable of being inadvertently removed.