EP 0511593 A1 19921104 - Panoramic protection mask for operating interventions in polluted environments.
Title (en)
Panoramic protection mask for operating interventions in polluted environments.
Title (de)
Vollsichtschutzmaske für Intervenienzarbeiten in verschmutzten Umgebungen.
Title (fr)
Masque panoramique de protection pour interventions opérationelles en milieux contaminés.
Publication
Application
Priority
IT MI911171 A 19910430
Abstract (en)
The described protection mask (1) comprises an annular lip (2) supporting a transparent screen (4) of toroidal form extending from the forehead of a user (3) to his chin. The screen (4) close to the user's mouth exhibits a preferably projecting middle portion (4c) having a connecting sleeve (5) provided with an inspiration opening (5b) and an expiration opening (5a) with which a single-acting valve (8) is associated, sealingly fastened thereto. A half-mask (6) is engaged to the inner part of the mask (1) and it sealingly acts by its perimetrical edge (6a) around the user's nose and mouth to bring them directly into communication with the expiration opening (5a). Two check valves (7) are associated with the half-mask (6) and are designed to enable the air transfer from the mask (1) inside to the half-mask (6) inside. <IMAGE>
IPC 1-7
IPC 8 full level
A62B 18/02 (2006.01)
CPC (source: EP)
A62B 18/02 (2013.01)
Citation (search report)
- [A] US 4595003 A 19860617 - SHOEMAKER CHARLES J [US], et al
- [A] US 3540442 A 19701117 - HOLLOWAY ROBERT L
- [A] US 4296746 A 19811027 - MASON JR STANLEY I, et al
- [A] US 3545436 A 19701208 - HOLLOWAY ROBERT L
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0511593 A1 19921104; EP 0511593 B1 19961016; EP 0511593 B2 20000405; DE 69214502 D1 19961121; IT 1248373 B 19950111; IT MI911171 A0 19910430; IT MI911171 A1 19921030
DOCDB simple family (application)
EP 92106984 A 19920423; DE 69214502 T 19920423; IT MI911171 A 19910430