(19)

(11)

EP 0 607 220 A1

(12)

(43) Date of publication: 27.07.1994 Bulletin 1994/30 (21) Application number: 92920796.0 (22) Date of filing: 07.10.1992

(51) International Patent Classification (IPC):  B60R 25/ 04( . ) F02B 1/ 04( . ) (86) International application number: PCT/GB1992/001826 (87) International publication number: WO 1993/007367 (15.04.1993 Gazette 1993/10)

(84) Designated Contracting States: AT BE CH DE DK ES FR GR IE IT LI LU MC NL SE (30) Priority: 08.10.1991 GB 19910021383 23.04.1992 GB 19920008784 (71) Applicant: WYGNANSKI, Wladyslaw Cambridge CB4 2SL (GB)	(72) Inventor: WYGNANSKI, Wladyslaw Cambridge CB4 2SL (GB) (74) Representative: Nash, Keith Wilfrid, et al  Pearl Assurance House 90-92 Regent Street Cambridge CB2 1DP Cambridge CB2 1DP (GB)