Patent ID: 7721731

Claim:
A dispenser for dose dispensing of a gaseous, gas borne or droplet substance from a source thereof, the dispenser comprising: a body with a mouthpiece; a junction member in the body and having: a socket for receiving a spout of the substance source; a breath actuatable valve incorporated with the junction member, for controlling the release of the gas and/or liquid containing or comprising the substance, the valve comprising: a flexible tube for receiving a dose of the said substance gas or liquid, the tube extending from a valve inlet connected to the junction member spout and having: a portion which is kinkable for closure of the valve and movable to a release position in which the tube is un-kinked for opening of the valve and an outlet end movable for kinking/unkinking of the tube; and an outlet member carrying the outlet end of the flexible tube and pivotally connected to the junction member for control of kinking/un-kinking movement of the flexible tube; the tube being kinked to an obturating extent when the pivoted outlet member is in a ready position and un-kinked when the pivoted outlet member is moved its release position; and a sear on the outlet member to hold it in the ready position prior to inhalation; a breath actuatable flap carried on the junction member and arranged for action of inhalation breath on it, the flap having: a latch complementary to the sear and the flap being arranged: to latch the pivoted outlet member for kinked closure of the flexible tube via action of the latch and the sear and to release the pivoted outlet member for unkinking of the tube, and substance release, on inhalation by release of the sear by the latch and movement to its release position of the outlet member, characterised in that the source is a pressurised, medicament container with a metered dose valve held in the body and in that the junction member is slidably mounted in the body for movement towards the container and in that dispensing of a dose to the valve via the junction member.