(19)

(11)

EP 0 250 452 A1

(12)

(43) Date of publication: 07.01.1988 Bulletin 1988/01 (21) Application number: 86906117.0 (22) Date of filing: 19.09.1986

(51) International Patent Classification (IPC):  B66F 3/ 30( . ) F15B 15/ 14( . ) F15B 15/ 26( . ) (86) International application number: PCT/US1986/001954 (87) International publication number: WO 1987/001776 (26.03.1987 Gazette 1987/07)

(84) Designated Contracting States: DE FR GB IT SE (30) Priority: 20.09.1985 IE 19850002322 26.03.1986 IE 19790018686 (71) Applicants: BRODMANN, George L. Greensboro, NC 27403 (US) KERTESZ, Stephen J. F. Seagirt, NJ 08750 (US)	(72) Inventor: Kertesz, Stephen J.F. Seagirt, NY 08750 (US) (74) Representative: Asquith, Anthony  Evans, Dodd and Tooth 5 Balfour Place Mount Street London W1Y 5RG London W1Y 5RG (GB)