EP 1034339 A1 20000913 - Filter cassette
Title (en)
Filter cassette
Title (de)
Filterkassette
Title (fr)
Cassette filtrante
Publication
Application
Priority
- SE 9802141 W 19981126
- SE 9704347 A 19971126
Abstract (en)
[origin: WO9929973A1] Filter cassette (1) adapted to be sealingly mounted against the inner wall of a well or a well cover so as to extend radially across the cross section of the well, comprising a ring-shaped space to be filled or refilled with an absorbing or active additive and a lid (5) extended radially from the area of the inner wall of the well towards a central hole (7), and an opened bottom (11), the filter cassette having a capacity to receive water streaming down that increases gradually in the radial direction mentioned and comprising a lid with a top surface, as seen in a radial direction from the periphery to the centre of the lid, which rises gradually over a horizontal plane on which the lid rests.
IPC 1-7
IPC 8 full level
E03F 5/16 (2006.01)
CPC (source: EP)
E03F 5/16 (2013.01)
Citation (search report)
See references of WO 9929973A1
Designated contracting state (EPC)
BE CH DE DK ES FI FR GB GR IT LI NL PT
DOCDB simple family (publication)
WO 9929973 A1 19990617; AU 1448499 A 19990628; EP 1034339 A1 20000913; SE 512577 C2 20000403; SE 9704347 D0 19971126; SE 9704347 L 19990527
DOCDB simple family (application)
SE 9802141 W 19981126; AU 1448499 A 19981126; EP 98958431 A 19981126; SE 9704347 A 19971126