(19)

(11)

EP 0 934 157 A1

(12)

(43) Date of publication: 11.08.1999 Bulletin 1999/32 (21) Application number: 96935606.0 (22) Date of filing: 17.10.1996

(51) International Patent Classification (IPC):  E04C 2/ 26( . ) (86) International application number: PCT/NO1996/000243 (87) International publication number: WO 1997/014556 (24.04.1997 Gazette 1997/18)

(84) Designated Contracting States: AT BE CH DE DK FI GB LI NL SE (30) Priority: 17.10.1995 NO 19950004125 (71) Applicant: Thermozell Norge A.S. 0661 Oslo (NO)	(72) Inventor: OLSEN, Roar N-0666 Oslo (NO) (74) Representative: Rotne, Jens Styrup, et al  c/o Internationalt Patent-Bureau Hoeje Taastrup Boulevard 23 2630 Taastrup 2630 Taastrup (DK)