(19)

(11)

EP 0 544 793 A1

(12)

(43) Date of publication: 09.06.1993 Bulletin 1993/23 (21) Application number: 91915857.0 (22) Date of filing: 27.08.1991

(51) International Patent Classification (IPC):  G01K 1/ 02( . ) G01K 13/ 10( . ) (86) International application number: PCT/GB1991/001441 (87) International publication number: WO 1992/003712 (05.03.1992 Gazette 1992/06)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU NL SE (30) Priority: 24.08.1990 GB 19900018687 (71) Applicant: MARKS and SPENCER p.l.c. London W1A 1DN (GB)	(72) Inventors: STEWART, Douglas Baker Street, London W1A 1DN (GB) GREGORY, Noel Baker Street, London W1A 1DN (GB) HAY, Frank S. Hillington, Glasgow G52 4BW (GB) (74) Representative: Clifford, Frederick Alan, et al  MARKS & CLERK, 57/60 Lincoln's Inn Fields London WC2A 3LS London WC2A 3LS (GB)