(19)

(11)

EP 0 395 710 A1

(12)

(43) Date of publication: 07.11.1990 Bulletin 1990/45 (21) Application number: 89900931.0 (22) Date of filing: 16.12.1988

(51) International Patent Classification (IPC):  F04C( . ) F01C 9/ 00( . ) F04C 21/ 00( . ) F04C 29/ 12( . ) (86) International application number: PCT/NO1988/000094 (87) International publication number: WO 1989/005918 (29.06.1989 Gazette 1989/14)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 23.12.1987 NO 19870005407 (71) Applicant: 3H INVENT A/S N-3700 Skien (NO)	(72) Inventor: HENRIKSEN, Leif, Dag N-3900 Porsgrunn (NO) (74) Representative: Wallin, Bo-Göran, et al  AWAPATENT AB, Box 5117 S-200 71 Malmö S-200 71 Malmö (SE)