(19)

(11)

EP 0 022 810 A1

(12)

(43) Date of publication: 28.01.1981 Bulletin 1981/04 (21) Application number: 80900157.0 (22) Date of filing: 24.01.1980

(51) International Patent Classification (IPC):  D06F 89/ 00( . ) (86) International application number: PCT/GB1980/000015 (87) International publication number: WO 1980/001561 (07.08.1980 Gazette 1980/18)

(84) Designated Contracting States: AT CH DE FR LU NL SE (30) Priority: 24.01.1979 GB 19790002535 (71) Applicant: WARWICK, Dean Mabin Heriot Midlothian (GB)	(72) Inventor: WARWICK, Dean Mabin Heriot Midlothian (GB)