(19)

(11)

EP 0 177 598 A1

(12)

(43) Date of publication: 16.04.1986 Bulletin 1986/16 (21) Application number: 85902076.0 (22) Date of filing: 23.04.1985

(51) International Patent Classification (IPC):  F16B 2/ 24( . ) F16L 3/ 133( . ) F16B 21/ 20( . ) (86) International application number: PCT/GB1985/000174 (87) International publication number: WO 1985/004934 (07.11.1985 Gazette 1985/24)

(84) Designated Contracting States: DE FR GB IT (30) Priority: 24.04.1984 GB 19840010385 (71) Applicant: GEORGE SALTER & CO. LIMITED West Bromwich West Midlands B70 6AD (GB)	(72) Inventor: BATES, David, Anthony West Midlands B70 7HT (GB) (74) Representative: Skerrett, John Norton Haigh, et al  H.N. & W.S. SKERRETT Charles House 148/9 Great Charles Street Birmingham B3 3HT Birmingham B3 3HT (GB)