(19)

(11)

EP 0 181 882 A1

(12)

(43) Date of publication: 28.05.1986 Bulletin 1986/22 (21) Application number: 85902100.0 (22) Date of filing: 17.05.1985

(51) International Patent Classification (IPC):  D03D 47/ 48( . ) (86) International application number: PCT/GB1985/000208 (87) International publication number: WO 1985/005384 (05.12.1985 Gazette 1985/26)

(84) Designated Contracting States: BE CH DE GB IT LI (30) Priority: 18.05.1984 GB 19840012756 (71) Applicant: Sulzer Brothers Limited CH-8630 Ruti (Zurich) (CH)	(72) Inventor: GRIFFITH, John, Dalton Cleadon FR6 7RU (GB) (74) Representative: Dealtry, Brian, et al  Eric Potter & Clarkson St. Mary's Court St. Mary's Gate Nottingham NG1 1LE Nottingham NG1 1LE (GB)