| 摘要 |
FIELD: engines and pumps.SUBSTANCE: dispensing pump may be reused with additional reusable dispensing vessels. Dispensing vessel comprises casing, neck with opening, mount and pump dispenser. Mount is arranged in neck opening and secured therein. Pump dispenser comprises inlet tube arranged at pump dispenser bottom end, pump drive and pump outlet at pump dispenser top end. Said mount serves to receive pump dispenser. Said mount has, at least, one opening to equalise pressure in joint with dispensing vessel inside. Besides, said mount has, at least, one drain in joint with dispensing vessel inside. Besides, said mount has immersion tube extending into casing. Immersion tube surrounds inlet tube. With pump dispenser fitted in mount, mount fluid may flow into dispensing vessel via, at least, one drain opening. Said mount may have top section and flange extending outward from top section. Flange comprises peripheral wall extending downward with at least either one ledge, or opening for engagement with at least one ledge or recess on neck. In compliance with every version, central section of said mount may have multiple openings communicated with vessel inside. In compliance with another version, mount comprises central section, top section and bottom section. Mount has at least one opening to equalise pressure at top section and at least one drain hole at central section.EFFECT: reliable protection against unauthorised reuse.20 cl, 12 dwg |
