(19)

(11)

EP 0 213 167 A1

(12)

(43) Date of publication: 11.03.1987 Bulletin 1987/11 (21) Application number: 86901527.0 (22) Date of filing: 20.02.1986

(51) International Patent Classification (IPC):  E02B 15/ 04( . ) E02B 15/ 06( . ) (86) International application number: PCT/NO1986/000018 (87) International publication number: WO 1986/004942 (28.08.1986 Gazette 1986/19)

(84) Designated Contracting States: FR IT (30) Priority: 22.02.1985 NO 19850000738 (71) Applicant: BENNEX SERVICES A/S N-5011 Nordnes (NO)	(72) Inventors: HARTWIG, Per N-5092 Hylkje (NO) NYHAMMER, Ole, Fritjof N-5033 Fyllingsdalen (NO) RABBEN, Svein, Tore N-5385 Bakkasund (NO)