(19)

(11)

EP 0 220 177 A1

(12)

(43) Date of publication: 06.05.1987 Bulletin 1987/19 (21) Application number: 85903028.0 (22) Date of filing: 18.06.1985

(51) International Patent Classification (IPC):  F16C 3/ 02( . ) (86) International application number: PCT/GB1985/000271 (87) International publication number: WO 1986/000965 (13.02.1986 Gazette 1986/04)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 25.07.1984 GB 19840018908 (71) Applicant: BRD COMPANY LIMITED Aldridge Walsall West Midlands WS9 8DT (GB)	(72) Inventor: FISHER, Leslie, George 74 Clivedon Avenue Birmingham, B42 1SL (GB)