INDIVIDUAL RESPIRATORY PROTECTIVE DEVICE AND METHOD FOR MANUFACTURING INDIVIDUAL RESPIRATORY PROTECTIVE DEVICE

摘要

A flat-fold personal respiratory device consisting of the following: a substantially flat central panel (10) including a filter media layer and having opposed first and second side edges (12a, 12b) and first and second end edges (11); a first side panel attached to said center panel (10) along said first side edge (12a); a second side panel connected to said center panel (10) along said second side edge (12b); wherein the device is configured to be manually reconfigured from a folded configuration, in which the side panels (12a, 12b) are substantially parallel to the flat surface of the central panel (10), to an operating configuration, in which the central panel (10) and the first and second side panels (12a, 12b) form a bowl-shaped breathing chamber; the device also has a rigid or semi-rigid endoskeletal element (36) mounted along the flat surface of said central panel (10) and located between said first and second side edges (12a, 12b) and / or between said first and second end edges (11).