Global Patent Index - EP 1034339 A1

EP 1034339 A1 2000-09-13 - Filter cassette

Title (en)

Filter cassette

Title (de)

Filterkassette

Title (fr)

Cassette filtrante

Publication

EP 1034339 A1 (EN)

Application

EP 98958431 A

Priority

  • SE 9802141 W
  • SE 9704347 A

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 (main, further and additional classification)

E03F 5/16

IPC 8 full level (invention and additional information)

E03F 5/16 (2006.01)

CPC (invention and additional information)

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

EPO simple patent family

WO 9929973 A1 19990617; AU 1448499 A 19990628; EP 1034339 A1 20000913; SE 512577 C2 20000403; SE 9704347 D0 19971126; SE 9704347 L 19990527

INPADOC legal status


2007-06-29 [REG HK WD] APPLICATIONS WITHDRAWN, DEEMED TO BE WITHDRAWN, OR REFUSED AFTER PUBLICATION IN HONG KONG

- Document: HK 1032612

2004-09-29 [19U] DATE OF INTERRUPTION (INTERRUPTION OF PROCEEDINGS) BEFORE GRANT

- Effective date: 20040707

2004-04-14 [RTI1] TITLE (CORRECTION)

- Free text: FILTER CASSETTE

2003-05-14 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20030328

2000-09-13 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000622

2000-09-13 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): BE CH DE DK ES FI FR GB GR IT LI NL PT