(19)

(11)

EP 0 218 727 A1

(12)

(43) Date of publication: 22.04.1987 Bulletin 1987/17 (21) Application number: 86902024.0 (22) Date of filing: 27.03.1986

(51) International Patent Classification (IPC):  B02B 3/ 04( . ) B02B 3/ 08( . ) (86) International application number: PCT/JP1986/000142 (87) International publication number: WO 1986/005716 (09.10.1986 Gazette 1986/22)

(84) Designated Contracting States: IT (30) Priority: 28.03.1985 JP 19850064740 (71) Applicant: YAMAMOTO, Soichi Yamagata-ken 994 (JP)	(72) Inventor: YAMAMOTO, Soichi Yamagata-ken 994 (JP) (74) Representative: Dr. Ing. A. Racheli & C. S.r.l.  Viale San Michele del Carso, 4 I-20144 Milano I-20144 Milano (IT)