Dispensing and metering devices for liquids

Details Dispensing and metering devices for liquids Dispensing and metering devices for liquids

G - Physics

01

F

222/9.8

G01F 11/32 (2006.01) B67D 3/02 (2006.01)

Patent

CA 1164419

ABSTRACT DISPENSING AND METERING DEVICES FOR LIQUIDS A dispensing and metering device for liquids has a valve arrangement controlling the dispensing so that a metering chamber can be filled with a quantity of liquid and this quantity of liquid can then be drained. To ensure suitable metering, parts of the valve arrangement may remain in suitable sockets at inlet and outlet ends of the chamber so that liquid cannot flow continuously from the inlet to the outlet, in use. The outlet is provided below the chamber and an air bleed hole opens into the device between the chamber and outlet to allow air to enter the chamber to replace liquid being dispensed. The bleed hole can be valveless. In order to attach the device to a bottle, the device may have a resiliently deformable sleeve expansible radially into engagement with the interior of a bottle neck by axial compression of the sleeve. The device thus fits many bottles.

383240

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