EP 0411425 B1 19931118 - Mat for dispersing a gas in a liquid.
Title (en)
Mat for dispersing a gas in a liquid.
Title (de)
Matte zum Verteilen eines Gases in einer Flüssigkeit.
Title (fr)
Natte pour la distribution d'un gaz dans un liquide.
Publication
Application
Priority
FR 8910345 A 19890801
Abstract (en)
[origin: EP0411425A1] The mat consists simply of a rigid or semi-rigid sheet (12) provided with a series of nozzles (14) and surrounded by a peripheral skirt (20) forming, with the sheet of the mat, a hollow volume (18) in which there is established, during operation, a flat gas bubble below the surface of the nozzles. <IMAGE>
IPC 1-7
IPC 8 full level
A61H 33/02 (2006.01)
CPC (source: EP)
A61H 33/025 (2013.01); A61H 33/60 (2013.01); A61H 2201/013 (2013.01)
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0411425 A1 19910206; EP 0411425 B1 19931118; AT E97315 T1 19931215; AU 5977990 A 19910207; AU 628610 B2 19920917; CA 2021724 A1 19910202; DE 411425 T1 19920521; DE 69004634 D1 19931223; DE 69004634 T2 19940310; ES 2027942 T1 19920701; ES 2027942 T3 19940201; FR 2650497 A1 19910208; FR 2650497 B1 19920110
DOCDB simple family (application)
EP 90114062 A 19900723; AT 90114062 T 19900723; AU 5977990 A 19900725; CA 2021724 A 19900723; DE 69004634 T 19900723; DE 90114062 T 19900723; ES 90114062 T 19900723; FR 8910345 A 19890801