(19)

(11)

EP 1 005 438 A1

(12)

(43) Date of publication: 07.06.2000 Bulletin 2000/23 (21) Application number: 98911568.8 (22) Date of filing: 11.03.1998

(51) International Patent Classification (IPC)7: B67D 5/08 (86) International application number: PCT/US9804/754 (87) International publication number: WO 9840/309 (17.09.1998 Gazette 1998/37)

(84) Designated Contracting States: DE FR GB IT (30) Priority: 11.03.1997 US 40232 P 16.01.1998 WO PCT/US98/00958 (71) Applicant: Niagara Pump Corporation Buffalo, NY 14207 (US)	(72) Inventors: PHALLEN, Iver J. Youngstown. NY 14174 (US) VOGT, Douglas N. Pavilion, NY 14252 (US) (74) Representative: Freischem, Stephan, Dipl.-Ing.  Patentanwälte FreischemAn Gross St. Martin 2 50667 Köln 50667 Köln (DE)