(19)

(11)

EP 0 151 145 A1

(12)

(43) Date of publication: 14.08.1985 Bulletin 1985/33 (21) Application number: 84902595.0 (22) Date of filing: 27.06.1984

(51) International Patent Classification (IPC):  A01D 34/ 42( . ) A01D 34/ 47( . ) (86) International application number: PCT/GB1984/000229 (87) International publication number: WO 1985/000267 (31.01.1985 Gazette 1985/03)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 30.06.1983 GB 19830017773 (71) Applicant: TURNER INTERNATIONAL (ENGINEERING) LIMITED Alcester Warwickshire B495QG (GB)	(72) Inventor: ROBERTS, Edward, Cyril Warwickshire B49 6RB (GB) (74) Representative: Hands, Horace Geoffrey, et al  GEORGE FUERY & CO Whitehall Chambers 23 Colmore Row Birmingham B3 2BL Birmingham B3 2BL (GB)