(19)

(11)

EP 0 932 351 A1

(12)

(43) Date of publication: 04.08.1999 Bulletin 1999/31 (21) Application number: 97937666.0 (22) Date of filing: 15.08.1997

(51) International Patent Classification (IPC):  A47B 67/ 04( . ) A47F 3/ 06( . ) A61J 1/ 05( . ) A47B 81/ 00( . ) A61J 1/ 00( . ) (86) International application number: PCT/GB1997/002219 (87) International publication number: WO 1998/007352 (26.02.1998 Gazette 1998/08)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV RO SI (30) Priority: 22.08.1996 GB 19960017636 (71) Applicant: Dynsol Limited Huddersfield, West Yorkshire HD1 1BB (GB)	(72) Inventors: CONTE, Rolland, René F-78113 Bourdonné (FR) LASNE, Yves F-69800 Saint-Priest (FR) (74) Representative: Eyles, Christopher Thomas  W.P. THOMPSON & CO. Celcon House 289-293 High Holborn London WC1V 7HU London WC1V 7HU (GB)