(19)

(11)

EP 0 229 167 A1

(12)

(43) Date of publication: 22.07.1987 Bulletin 1987/30 (21) Application number: 86904642.0 (22) Date of filing: 10.07.1986

(51) International Patent Classification (IPC):  B67D 7/ 00( . ) B67D 7/ 72( . ) B67D 7/ 42( . ) (86) International application number: PCT/US1986/001436 (87) International publication number: WO 1987/000515 (29.01.1987 Gazette 1987/03)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 12.07.1985 US 19850753761 07.07.1986 US 19860879882 (71) Applicant: PUMPER USA, INC. Bloomington, MN 55438 (US)	(72) Inventor: LOBERG, Robert, N. Bloomington, MN 55438 (US)