(19)

(11)

EP 0 043 371 A1

(12)

(43) Date of publication: 13.01.1982 Bulletin 1982/02 (21) Application number: 80901805.0 (22) Date of filing: 30.09.1980

(51) International Patent Classification (IPC):  D04B 11/ 00( . ) D04B 15/ 99( . ) (86) International application number: PCT/GB1980/000151 (87) International publication number: WO 1981/000870 (02.04.1981 Gazette 1981/08)

(84) Designated Contracting States: CH DE FR GB LI (30) Priority: 01.10.1979 GB 19790033903 (71) Applicant: WILLIAM COTTON LIMITED Loughborough Leicestershire (GB)	(72) Inventors: STRONG, Barry Colin Syston, Leicester (GB) CLAYTON, William Leicester (GB) HESKETH, Thomas George Loughborough Leicestershire (GB) (74) Representative: Veldhuizen, Albert Dirk Willem  Serjeants 25 The Crescent Leicester LE1 6RX Leicester LE1 6RX (GB)