(19)

(11)

EP 0 568 580 A1

(12)

(43) Date of publication: 10.11.1993 Bulletin 1993/45 (21) Application number: 92903485.0 (22) Date of filing: 27.01.1992

(51) International Patent Classification (IPC):  F41H 1/ 02( . ) (86) International application number: PCT/GB1992/000160 (87) International publication number: WO 1992/013250 (06.08.1992 Gazette 1992/21)

(84) Designated Contracting States: CH DE ES FR GB IT LI NL SE (30) Priority: 26.01.1991 GB 19910001730 (71) Applicants: MUNYARD, Patricia Ludlow, Shropshire SY8 3PW (GB) BUCHANAN, Douglas Boyd Ludlow, Shropshire SY8 3PW (GB)	(72) Inventor: BUCHANAN, Douglas, Boyd Ivy Cottage Ludlow Shropshire SY8 3PW (GB) (74) Representative: Lawrence, John Gordon, et al  McNeight & Lawrence Regent House Heaton Lane Stockport, Cheshire SK4 1BS Stockport, Cheshire SK4 1BS (GB)