COMPRESSED FLUID DISPENSING DEVICE WITH INTERNAL SEAL

摘要

A dispensing device (10) for dispensing compressed fluid from a can (100) through a valve stem (110) of the can, the dispensing device containing a hollow tube (20) defining a channel (22) there-through, a connector (40) defining a conduit (46) there-through that is in fluid communication with the channel of the hollow tube, a plug (30) located in the channel of the hollow tube that is able to move in the channel of the hollow tube and seal the hollow tube from fluid flow when pressed towards the dispensing end (24) of the hollow tube (22), a sealed port between the inside and outside of the dispensing device and a flexible and inelastic extension piece (50) attached to the plug and extending through the channel of the hollow tube and, optionally, the conduit of the connector then out from the dispensing device through the sealed port and capable of attaching to a can (100) to which the dispensing device (100) is connected.