(19)

(11)

EP 0 827 428 A1

(12)

(43) Date of publication: 11.03.1998 Bulletin 1998/11 (21) Application number: 96920314.0 (22) Date of filing: 20.05.1996

(51) International Patent Classification (IPC):  B01D 50/ 00( . ) B04C 5/ 13( . ) B04C 9/ 00( . ) B05B 15/ 12( . ) B04C 5/ 10( . ) B04C 5/ 14( . ) B05B 15/ 04( . ) (86) International application number: PCT/US1996/007285 (87) International publication number: WO 1996/037310 (28.11.1996 Gazette 1996/52)

(84) Designated Contracting States: CH DE FR IT LI SE (30) Priority: 22.05.1995 US 19950445935 20.09.1995 US 19950532890 (71) Applicant: NORDSON CORPORATION Westlake, Ohio 44145-1119 (US)

(72) Inventors: SOLIS, Christopher, M. Elyria, OH 44035 (US) GIELOW, Robert, L. Farmington Hills, MI 48331 (US) REIGHARD, Michael, A. Avon Lake, OH 44012 (US) LAMBERT, Peter, G. Chagrin Falls, OH 44022 (US) CHANDLER, Christopher, H. North Ridgeville, OH 44039 (US) URIG, Don, L. Elyria, OH 44305 (US) (74) Representative: Findlay, Alice Rosemary, et al  Lloyd Wise, Tregear & Co., Commonwealth House, 1-19 New Oxford Street London WC1A 1LW London WC1A 1LW (GB)