(19)
(11) EP 1 409 939 A1

(12)

(43) Date of publication:
21.04.2004 Bulletin 2004/17

(21) Application number: 02738978.2

(22) Date of filing: 05.06.2002
(51) International Patent Classification (IPC)7F27D 1/04, F27B 13/02, E04B 2/08
(86) International application number:
PCT/NO2002/000199
(87) International publication number:
WO 2002/099351 (12.12.2002 Gazette 2002/50)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 06.06.2001 NO 20012789

(71) Applicant: NORSK HYDRO ASA
0240 Oslo (NO)

(72) Inventors:
  • RUUD, Anders
    N-6885 Ardalstangen (NO)
  • HOLDEN, Inge
    N-6885 Ovre Ardal (NO)
  • WERGE-OLSEN, Arne
    N-6885 Ardalstangen (NO)

(74) Representative: Bleukx, Luc 
Norsk Hydro Technology B.V.,Avenue Marcel Thiry 83
1200 Brussels
1200 Brussels (BE)

   


(54) A METHOD FOR CREATING A THERMALLY STABLE BASE STRUCTURE AND MEANS IN CONNECTION WITH SUCH A METHOD