(19)

(11)

EP 0 896 755 A1

(12)

(43) Date of publication: 17.02.1999 Bulletin 1999/07 (21) Application number: 97914432.0 (22) Date of filing: 25.03.1997

(51) International Patent Classification (IPC):  H02G 1/ 12( . ) (86) International application number: PCT/GB1997/000832 (87) International publication number: WO 1997/037411 (09.10.1997 Gazette 1997/43)

(84) Designated Contracting States: BE DE FR GB IT NL (30) Priority: 02.04.1996 GB 19960006934 14.11.1996 GB 19960023729 (71) Applicant: Cackett, Dennis William Ashford, Kent TN24 0BL (GB)	(72) Inventor: Cackett, Dennis William Ashford, Kent TN24 0BL (GB) (74) Representative: Hitchcock, Esmond Antony  Lloyd Wise, Tregear & Co., Commonwealth House, 1-19 New Oxford Street London WC1A 1LW London WC1A 1LW (GB)