EP 0197257 A1 19861015 - Apparatus for detecting the presence of gases in a closed environment.
Title (en)
Apparatus for detecting the presence of gases in a closed environment.
Title (de)
Einrichtung zum Aufspüren von Gas in einem geschlossenen Raum.
Title (fr)
Appareillage pour détecter la présence d'un gaz dans un espace clos.
Publication
Application
Priority
IT 1154485 U 19850213
Abstract (en)
An apparatus is described for detecting in a closed environment the presence of even small quantities of gases which form explosive mixtures with air, for indicating said presence and for switching off the electricity supply to any appliance present in said environment.
IPC 1-7
IPC 8 full level
G08B 17/10 (2006.01); G08B 17/117 (2006.01)
CPC (source: EP)
G08B 17/117 (2013.01)
Citation (search report)
- [Y] FR 2543839 A1 19841012 - PGEP [FR]
- [Y] DE 2319476 A1 19731031 - SECURITEX SARL
- [A] US 4126790 A 19781121 - SOLOMON ELIAS E
- [A] DE 2402493 A1 19750430 - VISSER ROBERTUS GERARDUS [NL], et al
- [A] DE 3102924 A1 19821209 - GRANEK JAKOB
- [A] US 4007456 A 19770208 - PAIGE ROY C, et al
Designated contracting state (EPC)
AT BE CH DE FR GB LI LU NL SE
DOCDB simple family (publication)
EP 0197257 A1 19861015; EP 0197257 B1 19900103; AT E49313 T1 19900115; DE 3668087 D1 19900208; ES 292267 U 19860816; ES 292267 Y 19870501; IT 212760 Z2 19890920; IT 8511544 V0 19850213
DOCDB simple family (application)
EP 86101572 A 19860207; AT 86101572 T 19860207; DE 3668087 T 19860207; ES 292267 U 19860212; IT 1154485 U 19850213