(19)

(11)

EP 0 231 372 A1

(12)

(43) Date of publication: 12.08.1987 Bulletin 1987/33 (21) Application number: 86905509.0 (22) Date of filing: 08.08.1986

(51) International Patent Classification (IPC):  A01M 1/ 02( . ) A01M 1/ 22( . ) A01M 1/ 04( . ) (86) International application number: PCT/US1986/001677 (87) International publication number: WO 1987/000727 (12.02.1987 Gazette 1987/04)

(84) Designated Contracting States: DE FR GB (30) Priority: 08.08.1985 US 19850763551 (71) Applicant: CARR, Curtis, E. Cambridge, MA 02138 (US)	(72) Inventor: CARR, Curtis, E. Cambridge, MA 02138 (US) (74) Representative: Muir, Ian R., et al  HASELTINE LAKE & CO. Hazlitt House 28 Southampton Buildings Chancery Lane London WC2A 1AT London WC2A 1AT (GB)