EP 0511592 A1 19921104 - Interchangeable connecting sleeve for protection masks used for operating interventions in polluted environments.
Title (en)
Interchangeable connecting sleeve for protection masks used for operating interventions in polluted environments.
Title (de)
Auswechselbarer Anschlussstutzen für bei Intervenienzarbeiten in verschmutzten Umgebungen gebrauchte Schutzmasken.
Title (fr)
Manchon interchangeable de connection pour masques de protection utilisés lors d'inteventions opérationnelles dans des milieux contaminés.
Publication
Application
Priority
IT MI911172 A 19910430
Abstract (en)
The present invention relates to a connecting sleeve (1) of the type to be associated with protection masks (2) and comprising a main body (4) provided with an inspiration opening (5) and an expiration opening (6) disposed in mutual side by side relation. Formed on the inspiration opening (5) designed to engage either a filtering element (8a) or an air supply duct (8b, 8c) is a bayonet coupling (13) arranged to enable the removable engagement of the main body (4) at one hole (11) formed in an anchoring portion (10) intended to be integral with the mask (2). A threaded fastening bush (17) optionally incorporating a single-acting valve (20) is engaged in the expiration opening (6) from the inside of the mask (2) through a second hole (12) of the anchoring portion (10), for fastening the main body (4) thereto. <IMAGE>
IPC 1-7
IPC 8 full level
A62B 9/04 (2006.01)
CPC (source: EP)
A62B 9/04 (2013.01)
Citation (search report)
- [A] DE 629801 C 19360512 - DRAEGERWERK HEINR U BERNH
- [A] GB 1553437 A 19790926 - DCA DESIGN CONSULTANTS LTD
- [A] DE 567505 C 19330104 - DRAEGERWERK HEINR U BERNH, et al
- [A] DE 701632 C 19410121
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0511592 A1 19921104; IT 1248374 B 19950111; IT MI911172 A0 19910430; IT MI911172 A1 19921030
DOCDB simple family (application)
EP 92106983 A 19920423; IT MI911172 A 19910430