| 摘要 |
A dispenser (1) comprises a can (2) and a body (3). The can is an aluminium extrusion with a valve crimped into its mouth, the valve having an outlet spout (4). The crimped region (5) of the can surrounding the valve has a lesser diameter than the can has through the main part (6) of its length. The body has a mouthpiece (11) with a pivotal cover (12) drivingly connected to a cam (13). This bears on the underside of a junction member (14), into a socket (15) of which the spout 4 fits. A breath actuated dose release mechanism (16) is provided. The body has a tubular section (7) for receiving the necked down region (5) of the can. The tubular section and the main part of the can having the same external diameter. A printed paper label (21) coated with self-adhesive is wrapped around the joint between the body and the can to unite the can to the body in position such that when the cover is opened, a dose is dispensed by the cam (13) lifting the junction member and depressing the spout. In order to establish correct positioning of the can with respect to the body, prior to positioning of the label, a predetermined force (F) is applied to ensure that the spout is fully depressed. This causes the can to release into the release mechanism a dose, which will usually be a metered dose. Thus in this position of the can in the body, when the cover is opened in use, another dose will be released. With the force still applied the label is applied to the can and the body fixing their relative position. |
