Global Patent Index - EP 1015707 A1

EP 1015707 A1 2000-07-05 - PROCESS FOR CONVERTING GULLY GRATINGS OR THE LIKE INTO FILTER ELEMENTS

Title (en)

PROCESS FOR CONVERTING GULLY GRATINGS OR THE LIKE INTO FILTER ELEMENTS

Title (de)

VERFAHREN ZUM UMRÜSTEN VON KANALGITTERN OD. DGL. ZU FILTERELEMENTEN

Title (fr)

PROCEDE DE REEQUIPEMENT DE GRILLES D'EGOUTS OU ANALOGUES EN ELEMENTS FILTRANTS

Publication

EP 1015707 A1 (DE)

Application

EP 98943561 A

Priority

  • AT 9800215 W
  • AT 57897 U

Abstract (en)

[origin: WO9914446A1] A process for converting manhole covers, gully gratings (2) or the like into liquid-permeable filter elements has the following steps: preparation of the gully grating (2) to be converted or perforation of the manhole cover to be converted; and covering the top side of the gully grating (2) or manhole cover with a prefiltering layer (8) made of a metal grid, perforated metal or plastic sheet, the free cross-section of the prefiltering layer (8) being smaller than that of the gully grating (2).

IPC 1-7 (main, further and additional classification)

E03F 5/06

IPC 8 full level (invention and additional information)

E03F 5/06 (2006.01)

CPC (invention and additional information)

E03F 5/06 (2013.01)

Citation (search report)

See references of WO 9914446A1

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB IE IT LI LU NL PT SE

EPO simple patent family

WO 9914446 A1 19990325; AT 2481 U1 19981125; AU 9145298 A 19990405; EP 1015707 A1 20000705

INPADOC legal status


2002-10-09 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20020403

2002-03-20 [111Z] REGISTERING OF LICENCES OR OTHER RIGHTS

- Free text: 20020118 AT BE CH DE DK ES FI FR GB IE IT LI LU NL PT SE

2001-06-27 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20010509

2000-07-05 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000417

2000-07-05 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE CH DE DK ES FI FR GB IE IT LI LU NL PT SE

2000-07-05 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Free text: SI PAYMENT 20000417